JFIFC   %# , #&')*)-0-(0%()(C   (((((((((((((((((((((((((((((((((((((((((((((((((((" ,.Fh Ch@ 10D``DBB h4 @dX bD iD ІI$TBB'$"`I)Eb`(m9@0hb&!1114  b` Dh "lTH)TAiN  A" hf%n£!aY4hcC"5J2#Tզ@ #(a`QI+JHB8h@!!!hSMNhC4$11SB!`&2Dc(p*`"XE b!IJ&0C41 b `hL0JHLi1L -XX`ݚb% )*Cp& ! $40)!b䜢hC@D 6JJቨ4B!`b `0@ b`&ё^IÆ LO7dX h@)A "I`6H !L'@ DQ B!Bj4  L@ @hb&%$ D LQ~7ҜtZ&pӘ b `&)F؆` 7DBB&qI:LVF2B1 5iL4$ mj4 @ @ b`0b iS` 14V1l˦I7 @` L&ȒB[lC!FlIY +@!"!%$  HX J00CبDE18! L r2ϳ>Tس:=8Ӓb  & !`) "0$EMSIAL6D$B`&BBX&1C CT4h! @@4 0Yf |,tCE\T}nn` b$1AN&$ &IS`0118` 4  9_^8B14yꞿ3wlK 7 &@ 0@ @ `Ȓ b( +$2DR:]Z3cqcAȴNb11@#@18b`!upyt|z8lZ+]}3:zKcwA9SUU5AJ   2LUp*HR+EUEvF2qIW8)-JYDUQ  b `16!B& n$I9y~yntpX"QE,m[&C44 b ``@  BQ0&:Qud J7*"S-5(J7U@`  b1n.2/| ZrJY]3~ڕyצ1Ͳʬ3}[9NΨWVun}Tc~g6g=Mq6}GKsx b``L!nu"6ڬQ}_4 4IMtSҫ(610 b`],k4r:\_GOn骻q[,C*ͳԖzhUݐ9w L01 L& hQm(4d]nNiF wfG&ܱx*uθIbBʤSnܢaFj(@`8箄Ꝿ&IltgxgɻM%Mږ{z)]vSqUټ& b`0CT 8&`% '** -L/(4$cךRjp.h @1b!  0n7ʮB Kt}UF˞tr\7Jϖ~%Ҹ[!hUqp!&7Č1] *O4צN.Ǽt0!J%S101CC&1 Lh b bey ?fW7Ƨ,ʒ2t}֚m[PzvvF@ʀ  hb @%(#!!bBâM4BF=x Pցdd'YS̷ͬ 118h`bSv\>}Ux/ޝ7UI5h,pܞ^[U9=&v8@I!(XjaS,S3]av(KWP4j` -#ݒ7Jն&W"1t!^0 ! &X2y=yomNz.zVwfKݚж26ϗMa5L0C]q$8EQTl;yj]\U:znT62U f%uLb!  o7Q/{jyϣCJgS[oޮOO>_W6O~oC,2T`44\3zc(B A\cuݛU4컗AK2B6vǷ\n9WXQ,y:Bz` `4 @C&r_'RdxyNu <SQUM+#S⎬7v㦩K]Jy:KX5b`!!)*d 1RYn+έӚKUJX7U3˟EA}lŪe6@@  b b4x2\>|z^WvB{3^S׺Np^kέ㜅VզhW6rw{xz=)@h+ !daYZC.~mQniڲ7|0Qgj_J}l;8Po)Ά>4 @dtsNqОgͷ>ǻ \T`ыfNf7(pu9|]͙c{#(h1 @ @}6yn;*SHI*Bj"9̻&{y]4գ7>Wf~םZ0niMRsTH/NL` @ `/9ywVY-tkZJ~sGCz|z[cV-KX+csSTWu6kK2"2QiM b6y֝^]k׍ʻK=U**MVK2R.ZE9}v6{i1m]jZҌRUJ)De%dR*K~eS>-у$eͮsuκh%lGNl8#~:n5Yߎqf?L'@ @ojȲ*d.ܴn3q$ngլNKbS%{ߓ\qM(zOk=R͕zX_~=hE'J]\YA&]ƣLk4>5tdUFm8ʋ+7T+K-%3oU]kRKV=cNjkCiGY)s󝧂뫟CX=na\^ RgOA5F|-P_ew9jWM;暜Q}rUh;p_>|+ng<%̙uӧ>phss.SE67FH[W+8sc<=3Z_FJ^Mz('.Rǖ=<}<=hr7Z6v"pV-:jS٩}vf2UeYN\K JN*|y.!~O{ k#;1rt݃:>8sVL]*gs*-dY*Wdnb b&@?=1Ms*|ZW3VY.+ӋcSZg EWfgvZNDeSBWʋ$ӟLu?CԎvܚ/\hُR]zu3&UWZRvj^l[֢3u[ةZ2=Ox]wԥΛbyu͝p뚫3UsaVX;I>7~xgpa;_կM5yĔ1dD׳<K}*D&P&@18{N]n)E=Mg_811YGE) "J cMQ]e3>_Q=:f]IzTQS US-izΛ$Iv3Q]]JM$[VT *N5-eBHJO<侴euRVzseOv--m(JƬi`jKڹW+n}1Z^.sLyq9}4/sw@ZH!]M&y،l-nq沯Ets'mi9E: Q"Z 5ֽC^mkV[ʝ>]3n2,#\B `T(U6-N,gF~&[bB^w*<=UÎ+mBePW:IPڪ7䫲anm J0 Pg=iQpڎz\~-kRqXl9]O.w}Ku&kSuHS $BRee:̢r fnYmSE9Hr3PQuVE 6AM "vty|yU.Y!nm4kqB.N4UdF鶫,qLں[e ⒅kYknpwBϓU>^Ѳ+214E8,:"=YվٛG\N{UǭJ1؆( -Rd [ۏͣ1f^6%fF$sB̠YUӲs]0 &\Z\_dL)f{!f7}6_w5SYŵUUYe]=73uԌybv#3]ё+fXx?ί'jĪZ'KZCOmVg ٚ5![omjbїxue ؒuU̔g5ziW:7':]Uˎ:ur;ês솅Dq#$BGVQ}cWQd.ŋZ5yrhgg^1ʎxGo|u?=%[V63fH41ӿFBwwnlӯǵ*vp$FJdi::qӏ^|{sF5skb+b;+ɳǽy9mIAJ1ɚz9j]<+htU!lNZ`tafcʍ4⁳G/LJ|TZ5%TͲBLSd-.ط%ؓ5ˡæRdĉV bc@$::v֋oV\fwtr~.V:2.8n.YX͎hk1.Jvտ}ڸm볧-%\s^Lݾ}fƥ<;9 o-^,/B9T,ųXҬ o,4 hxiӛfR-zlFfR&oSG/G=fl"#o %$4W٫#1e;Y(62+W4:lt#:;1[G3YfzseN8dًI8Oy@ԉ``&!#8Hs3_OFRثRulvth;Ì:dl @TqVR* ˣnsuX4%y:f2h]KƣVi%:f'w?LkU?,iÑIg]B%6aUiUg&>zuƧM_5^^Z役:stNg\Y+6ٞEֹgZγV5vkD-d=y55(&: F%`Ȏ-@ 9}l|dNPGDWmp%܍=mbZFlӺ23jqъuپY|| FxiP+$'*싶M+oEșPBf x8O;)3:!319t5!K kϥ:o 鞖3;=QY٣ܘ0JCM`I5f|֭sb)[b6xe8Ne!Bq2c8&(Nv񺭁TmdB6AI"^OOA(D#4o,i󶞼 ^ϯɽEz{κչ  J2# J0lewn~̚!)N(џLbU9:x}qҲ6m~/LmҘ>F蛖޿q]V FbRF|qV]ب5ltO՜&e\u5N\&\تP ʕ^dKN}!F'3ԌIT-!Ќ\%||&zcy].:yٿ,n㨍vL1I"5I4ЇJ+y_4t[Aݦ>f:i2\2eP۱kqED1g۟NxǫOMJ4uH\EūB ]I!["IHl>GW t0peEN]2_g:nm#7S{qR7.ŲAVL,qhJ A$n,iօ7>]0g3MiKkK^#PJ8@LjVD,kU yz̪|NKυI@.v}5wy}~cLIWw!o )E(JT1RjґW{!#4}g(CD%bJ+WKO+ &3doFtr걤Zabb!ͫ7%ѯךU-Ăj*ÿУTҷ=|<=X[q6*iC"(d'"$- yyTnh-|z]fSn'dZ1Ky} />u_3\8 Nz8~GLP;iHvL@`SM"1`8x`q/mAI}E9qOןơ^r2U`JP,cBkW!$I)d+bܩir+уXJ-)~tc>&ĂVB-K_?z$. h0R)F@9"ʑe>\z\;5P:M9u9ɮsaOz{qҬsq6ȦN@gm ;\$8' #R#%M_28ІU[j,#"˟P=++| g!4n^䪶 i5P$ϮYCc`Wr^010#Њr3$H ۀ29# ?ӯ ,q=ی;G0O,, 4A@83s3o !<5-׼ 1?430D$a ;8cO4 ̲9G&o4 1ͫ?8<3w>9? 6 8E Ǡ~ߙs,< ,/1\O8<:Հn:,ӽDb.4'8+Jr<<9]+rˑ0 <8"CP/ < s c?2<O;x7}000 Á(N5M0ϯFo<Q!w0 # L4Ҏ +1`=LѨAuM 8 @h  Ϊg0[8d_o|n00 8 whhtS/-ŸsC8 0 07o8$ڍ"ʘq{ T2ѱa0sFsrљu[ ?Nz2"8fɒ{Oc1+3vzM|"D:I}KYaLω` 0 G+(+f?)ŖR+}0q@{1'7#:w4VO0 $βէFS4LBer JeN*/ =A1=$l\Ӯ@j.檄kz%eqe^PU콹4x=3` X?Rʺn.Z׍x)y"ř?21l6oW5O䐘eނ͠@{B2y^%kZ*ogxBVW`h9mh]zXX,нP,ۍ44&}=fJ4E6~JC 06}+n'Ui1᠗$ClLE՝)[T@Ub̶&R3[gXPB =J(B41|xs}Px蒲@[5"J۲syo#$;X#L z\,;tEfwҸ,=ěeӽ'O (7=u~*"x(Q$I0Nm5ͬz hEb0?%0+l2ͻXl RH#rA/TmXb̪?>޻|P:}f}Sb*QnW4{5\@9I{;MWjMxs1;1dY~>r[WRlW2 UսKzrIv6G'1gglOrm"(zLfo`Tx0fbhmNW= [c3 $'4jy32`$^vԩWW|[|{TFg4CPaڝ {X6]0[Ö4W`'LqϊJ.,3U[1[v Q!!FuZe$ eQw?ieg]TL-N @X-nqBٸGV'd H- 47O3y=Q ,swwF%"wXMhO{5! p:;K(o;1O6`.9I~hŶͱ]Yqưpmaƾk^'y; S!",`8t侑5qGZw)Ayw/<^?Oz1tӪ($S]n91#T2yJφ |R|3sJ(]U+G{a&Pd>i6ClR|2Ռ7Cgخurڛgs.3uo=p,!5bh-?KM)UzUk81ְ` ZIy6 qJN-ե5ymχ7cl,iX .CR oz⯫y/R褻kPp20%˄c`6HapC[q7C(Dz0DG ϴu{m[˯Ac" i;?vGms$יg,h?(sc}^?Z׼s8&IGhDm?Kosy[r)| Cq{د}4} /{ePE4]s։* -?ۉ붻]:+m'Wum}njj(l*J }mKVT~ 5o|YYLPK,"jC*6i<}}mg*ޏ<2cs|㐓bI/v}Hvw gM$YQm<}}}}ڡ, 5`na%mv}]}UhQۼu,0<2}5uSU[-3lMUQ }d[a-9qLԻƥŻIu<<}g}mD#͓[}3qԗq[\^|+ (ŵP }qqe5=߷ (Bt597=#a*8^ȁ 2y`Åqi}<887w]Գ=xQD\}Dr)XI 1ϻ( cK<u6YqJ|4tu<o0[$-| 4&'=M}R&ʨLs.Uij M\_҂B!wh,o3g]o4Q7u ?o.\o(iˣ&CpLTz7ʙqoyv1 ԄajAĕ]ȘYB1/&aжiv1$J]I1ڂ#y ہ+-AiVmmRYY̺}S*_އ #׭qrBv YR̿XB=kqYH8Dvq%=j1 PUjץ0,#>!Tף,8Ns|i,:$BWpہ0NNʼTrJkY?4@K_oYa @1沩(SgaA4Q6HwF!J`7pVhָe"֬jO>$,JdLTf9BV;(L\ h7 6: /[)+R1.?`2UM|r*Mѫ/-?H@l!M*"% d͖<HbģHo몯H^nTG[-9#%9I"9MԾtd%yhGN Z`˿LJܘ1 3Zޥ0ږ[z hfɎ$X览N7a./m ՖG]8_:)]`9xw(F.&n$6NJ?[^F GYdn΄΋9>z nf`~@lֽL&".qj'1q8hWݎ's@;B ;fdBy|q=S$`RD>]F ig ^%"MHt4SIK+fe Tnf/޳tdy%[1!Jdx'@^PMoxMS{TPfB|^*}'sUC-JA!AFx(i؟.C` \nx<졆|nxYPd(n`/fL#2t>#DũE^?кq OmNkoȚ6Y?7*&-BA0QRj`鋘LϡL61O{˗&T܊TΛ7 q5tfԯ09mKxt\6j0"4x/\ҙ UL}%jXƄ QYgк87d]G#aPJHrCN\xKg 3]Jy1`\` Ә![MͅX\ΖABn %̃rd@fL*tf]>]x*G~|ˀ`1|>;;_`GEqIؔ嚜 o3TrUsqǣĭ`FC1No}~`?52%f o5P  B楩I<$̙G.4v|ͬa,U+)7v1yP&_6WcBa1g$љWx5G!TxHRbL>}UȈ26KNV_OAk-eT~0 ""3›O1Pg(>L<^F,hF㘘ټËlauVGW5$Švչ6b.3N?/4Ow!~& <~0"1rvb Qf0U5Ax=Fo3S1z9f|1/&E(q3dq1&F #(Ua<DM@Af.gI똏fnD$;2?05(B A) >0Kp|~ED6EFZFv癩>Pڥ0 ӛf. Tk3mGVc0Qf;,ƥT`B"ߖ7*s iN*3("U FbqBbZ - ma_\X5 3.(drb;R`@58q@T&bfj\|{Tӹ$4AهB9itbĪہ̮D{ud\%jc5Ɍw,Le"m̠\xꙮkC ʔLD鷕x*D1(~?P& f&3Y1[c`J LzARspa\|t(TWJlKT"z 3 +ɨ80&]>Mg;0Ll&Ll61Z { MRSn(-=:fP& 8]!ryI'U,ynX\ n?sB9$̈́ u6`6/Y3Sd%1)w< 54QO8nYSMd&@k&<[DkcQ>&\ [%N:VA g08AyG淟R4qډswD:AOyDm<*\Mg3zA0c"țDɄf. ,jH#U6;U}1M 83y|kcBk889?Lچpd4L\W 2g&SLue~2-2!¦"Ӗ]:)&m;4bA?0k8d?)}AkV,&E(hڅ۸2S5Aq0F"UbYө䉗JF:6ry.6CMw> b&'5M{P|]T}8_3P,X Bc{A(7g9кӅr(55HDRiS~I:M_Ǐ  ZÕZ-k54ZV3Mg2/̹ڢiYԊD͐c]#6чu>Lv"pAFaJh]Q,MFfܢ&)>@CG(X%ߒhF(m.U?i.q.مw2c('kXIcbZkXD&#lGu g\)KlP#B`P[y}sR(UpAn%MW>fqԳM/|5FOm?ٷbx*ٚ-X9BP16ճ0ԲPP^cuyLF*e Ù­ -Ar8ybf&l$>!WQHQ.TIL ,?y"zmճ65Vq|L_"Sgϸ 72Ϸ#5Rܾb{["R>#9&e0Nf|6s5 ]?3:`"Γm@'gfLyybXq #=7VsE2%ĠG,y,n~"T~ _eXt^Q70ٝA7%ÑAf%3Vr(ij7@{_a_}od橶bdgGGɈlw˜' u.fYRh96i[9!>2p@*1&ELf`B~TM3F᱂\N`J AAH |e0sPJ|1>'L1L t nLQ cqsLUIQu4^a )u; о`vNbJP!1&Œ,.Rݳe(Gb}ޠ06mŒ`Q5ܙ#[`hP 6 cu 36`־& :3>SmxuxNMFdԐ9$G 4;++!>L(bdGRG pgʟ)3cܻ ~e3Hdiѷ)"T??ŋU"aENbw .SP@@_&l*1<8arcj/POܰ!48v ˊ|w3PrՄmCju594"~Q:LA[&-ϊc:f#YQ)="T{ajW><>D8[ǃz ExF6IOb"/"e֜965 &x&c̍h ~X9|K`01gm; 0md<Ӏ*3 >%]%Ӷ>4\AC85LY|@(vu{]:d5c::VzjzF]g.1dM3]bQn* "'6Vӯ28 e? Lu3IcaZ|T؉fm5:gyd9Rq:nǗ0:6ZvsB`G˘Lh8Oèf^Jk깠kMԸ~"nCop&. mS̹p{3b\ML;1|op܍l~_~&7<+\4g a+2 k_ߙ[ S7"ĚU@ѬGP&=7]=(!>cdːa,:~\r?i>ij28̵=<vm<)pc `1CهX õ{0t91 _`'cQf(\ehP" #YA>Q>yzS7Jy 1X Bp8s,v|G";_1+ks7#LZpڐ ?81|+fB\OB8<aMf*ȃϻo~5yֻ$ïb91LA1{xU5") E`+byg<\_lZ3aE c`;O0f,KNDd0XHN3tW3 OlHCaoUܒ&"Pه[2 FZW0'KWOt/ A δ 㹇E5L,JJ6DmZcdtRf w'1h_bc|ith\h/{XWfg`r#v=s<\ĻlkRkaٚţO:[鿿ogʡ<|h1TqNau3.,Y`c! Di3qۙaVh~ˆE<4бWf A{g2rL>8ljocMCAMO ';Q|Tv8&h5nqW IUdO\9P6y<fG&OT|8А&-22fp\tl~4zllCq] L9wB tiX\Fܠo~h?y/~AP*~ OãR(q` SfKN gfE]4hɈ6c Bkܮ3p=; DBAg0? =ˁS|Kt2ci4F3gJpee˪*~qwՐۏa4b1}S55 Cs EbE˸Q#4yCv{L^%XЈN6 ǭª&H*qsWv+gFuAƢy)MfhB2@PC '%}k"Lϑ9"z]BUΝ5@9&5';\>%H;u tۄ8V`zo3{@>'_l6dG+f:;A]BM;@D87"u@r2}t[ ¥4ll&>r!\O6&}n0!=`8'pftؾ=k1Yf(|uOrZn4(cuQɞ /L - T؊ۅ<ZEb*~&vߐ%+Fa*YSFM7/n&d5&i\>0@c"h#h n` `8 >=Ȍ(u`RǑ46`4{&R(H``7 abo"`ݻ5,('7j =5f\ '``g1|L˜"Vi[3HbT1g>`|č米?5_r~IjY 2p=kX0L4jLP-!Pr/gQm37}魻N}Ri`C4ŋ6,]R=ӷL#)(eF'%i&0L| 2UOULjliIP|b:}Bd_]vjvSCWe5$Q0>6!1A "0Q2@a#PqBR$%3?l/;?(g=T3iMm#D =>J~¿h,%_\rB>Q_qSMi3*:t(h{TR|aYR[oϧESFZ5`ܿ07a_8")&])5cbzԯF7KGz(JHP(F3X>?T6ʄJJޞJ dͰp&a)x]R~7NɘY18hHRĝL|2~#갢Sn<ً1ѓr]ٴq'>[\LoQ`צeBTf[ٌxmcgr`_ؾ!ݐ660-EQ  Ɂg@SC^&\z'Q8B= a?)?P:U?N@*>4}BrgX:;\N7jМ QK&ZNܯT6a6oa㸍練0d8E+`rVuhhhD3q=x멯oݙQfg<x?ӦÉV2?=`͟H$DXt`?TEeS'5g !{Aw~O2k'%8?6 1bmxls48>Hx55T[|G"0~{L`KPT4oU1c6|OF. >"De? FasQ^ʬrMne@3`d4tDDn8?2VC+VxHLeV748M* qU?M7& r g.Ѵ'o&\̀]` MqF*D,hA14l"\"@&T.f<r.2)&}0i#Qdƃ&nD3L@|@r"&#ɍs Eړ:cHfvd"G*fA\YB@S\X Fngt&,Yr*E!CDf mbiwd49Аc2uPr%&PCLlw\EP?1BSO(7#(☎B V0h@0SQrfn!kv?uw5LT!E "+2%}eAv`@Wc͒30+26Tc>fn<RT(9ֱO+n&W˦?UDZJAdQ`ZBAq0e*`"㈊Ld0X36fR@, #aJ?a 00GQ B% jfe WώE7iF ӏ(2}1:&e3A:%E]DPT A(DF=YTUm%d EPy<@ k mF^ft *Gs\DmšmAK列N2?gI8.0#%0 Fb. .f(FqV&P:vhtCwb-& ˇ#Lώ&#E!Rp'Og( xXX%,[V`Y LX!65mG],|Y*> i )4wdDs\f44M5Al|J8 f 3ןfyeSl"3]1X̸O+s"saWqR)yTccLCP, ;qh 4}y!IɴEv{9T2EXٚlG&@&W,j 3ǽ@j&zG&bLTno'cƘ<OLx=?(ؙȵʴRZ/R<֝Mq, nTյ$Yk] e`.u'V-w!h cOc4Y61&Rǁ1)4bG ,Cs 3'B@+1bg[Q4‰'˽&, o'"T5=`UvOj?BrC 8C XP ɤ:kȌMԻ1&ogG[@@aQp34_B QP_ hVbb C:c-h.!A ω 81J[ل'&)(ۣ,'X)\A 8D=Bo]7[{1QCP3&#Ez/gܻc~]q`QRf,eT ͤL=5#MC:.1\PT-8w Gan|c"%Y0LMٛ&L rsSd8u+W/Rè@E\\٦զ}1zQ,b~;"k6)F:YWc2TLnjb6ۓ9.><~1,NEn '74o_(*lD+u wӜٕDƼ@G3(e&lQзd@l. ȪjÓlUٔHn!:l"fL9v5hIu ǍL-o7:7EK.crmը௙ u3c]XGȘS2}#XZ?dO)f!ɐAbfG8T3OfpiNrfX)4cN2"F4!ʕL֠]ZŇLɷ%~e3܄E؈a/D>zzc=5V>L[i'b 'C>R#I( eR@9修euaFt`ŊSN]#bqk 3 j75lU*n}jOMWfUT0nf"!%zːc&gڥJ*i؜BV n|@7:0}bf\7M@9@gPМ`i 4j&p1m5?Qfk!ְcd luR>L'м̄&*}?툊怇J 0MfM) NՎs;)rlT=" (?9ɅZul@;%R&}: ^yVԛ# g-@@PRLg94^C>`&\.G7gйUL1 *: QDsAjqDl2-4u7Eox`܌c˼/*'fd*9㱆 D ;da:K2gbeh4{FҡgL |v3 }P ?tz`Ț&&o"{preLB$5fl L6وAn &3za)ϑŴ(ϩɄMQ\ޣ 3>=v~n ԐVPTWLĹnt̛3W=ØuqyYؿp}:O?g'ŷY(vf ,gQ9AL^?1!+n$֢&*`հ3$Ծ &5)\\@:&0E!iS3y7/URA<~"1e0YFNioIB;?Lpl=1V1w0`Nd`$C#O-ϙp!vkZ˹.fn|NɁOBdԽ(݇_-l3i0FԢ7+fLe9*D h;Ob`F1<"ڑح(E`Owֻc(VUlY{slc5UGESowѹ oy0Q{v剷 lsI6 FƖ8cimJIΓ 7TQsQ9F $h1"U/]Ps2+7s73YO|U|ΠS vcB=Tǘ>aۧjN3(côRƣ){Z;_@\P#؜gK=2͸1-qs:"1+*~`Ρ r"6b&mη$j 6>aTPŚ#1`R FD֔My$fI`ʻC3. >aӱ*1%g'i1lJfxjPðvېnk_%8 Q)RY4SLoɧ>lhđ&*&"ϑWj 8f_Xv3#B:;116&@caS0?`1sR37-b!q7Fa+4cE;S&Z3t;rq34)jQAJ!}c]@>`E3w]ҳ/8pÌe\I›, "1!cjTfb[if_i~ߨ4=ndY(L5cGQ ̣!5l=S2w,π-Fk6&wľ͆,UCJgP9cswbPݍ&ǰq0o*`C ȕ cF+/@B˩5fU #62‰(h۩2b`m4xm1V/lZo}VjiT/n 05w2Ʃ7b`<> 5٠%z"wv.n,LYWjfJ3wBm(w@\D|)d=Yqs?=f} s}&W4&Ĵ Cj}34s\m 0 &, &Lm3 % LTʶ.<x>FTLP"u-8 x (@QJy̨ʂT7?1}?n (6u^#>eh@Nnf*I<)aaԛ{}֊c]f{ UGT;,ͦʠyӌr1#nZE标80a+`DT\˘O(ٔa7`N[#6H#[YIU>'͙(M:.e/ONfRk޿> aٿ`G?~!^a£SP)cPD"l& 6ȇ)1t&zn|0dAc#'Calumb 4 ֩L=fݸ2oy.2I$\@=%?.$γc.U' &6yhc4~DžYz<fc@X~è81]K n DRk Ž &QbƣP pэZ:ljX3ʕ?ݎѲ(G` (z(PԅB~`kS6xM,bmwQ_ 6rMp{CdСG՝K cmؓG'ӲTnTM4k#Q{1O\GeN(QbsDO{h:Kihc'\?3(PBgmA)g 9aTq%#8N0m^T\cXQ%…^(/au9羳:o=3 =n-~Q~މs>0f' dΟ?n:cW=vKCiREd]|E9=(faݹ[9d* 8۳ݣeJ0}BKtLdIPGcGTıa+6M/" e'af[:^ 03~z?7*TqG Px{e`Q+yh'*94omJ(1W/Ɠ^+LJӓNJy-_$^kS h&fn!fusB'j9pV!8 0(蹦*9U4Xgc{ZUVӧw=Wf8TXңe\we7D ;>@SZ;VjgqHjP9 z#"bȯpcv)(et+w4gQ ,{ Ži$5EX:m/\ntXG\Frv~,Ԩp5! cL%O*Lx yŦqdGh 7cnSz L mgZl0G\dSݼ.UiVm FVcNH9dעlUe^,.I&Q&] mѝL/賀A5aS4s|CQqpoIH;|e_ -!Rb}/2tu #r@Uy6Tܻ0Phu]Ļٹ_@lrLдt#T1OS76~uwliΧ[L}LLiM9!7_O? IuZuNv,/!P25䷴CrwhcVI *U5ϢDiYLtaUvp}:'{?]fmst' LzMVrMMʮ0uFS naW7Ԃe Fk;B>Ƕ5D7w2&dK~ُƂڴ,;2Z{CX S5Mh?-$JfID£&x,-q#DQO2tj@GI @!Sv.2JvY*d &V`~#=27Z,TrdBCdFW K Tz;x5qTæʙ`;*kHQ&\JyݳKBt fL :|zt^c;`3 +ɀ-V;t)>au?7Xw`GRwAWHSnNeII*pU)ai0i8i9ͧPѥfcXUV6zy4Hg]NJ<-=֪xbS3fYOC. Py֩+kYZylg 9j:D3d\އoipwa6@nbq#\A}#R5Bl p2U]& %QΓ~3TLG]BbIU MӒcl*T&t9c=eC'~:;6x5@M4 [BnդM0I>򫅨VOt525j=wS1 0b L{mkEUm O *c T̸AiD? N;Ӛ`s^ǀ檓N|sPL:6HI?Eޙ'sf2M}'TjhhwL)? 煨 J Nu'䎉 ԅB4NU|)Tm<8B0k{2`i &KCe~Mޚx!%OA!Wk|!;T$S%L;kiTxG ײ4AL&ТJ.#4hmGhZ$4LtUeˡK*r{:s^D\TwPnQ[t\5ee=UG7˞je0GC,T8|P}(lsjhvwdOWgUtr;\DM)eEOHM >Rxs|BM:M}6aFbD eQ1[߽?P 9ke6N|hyD:9jpj6?ڎ-Kz*sDKay %^цAoyK)4nj]ˮ78uXjz5"汲!QQI=75iͳu}Ձ;V*}!TKC8nys]0etPmaS`CT*Tvb:ױ9*g<L0ʧU|!&eaL'϶DM$g53ZLk)#-S'wDcwE{0G;Ii#6?CrnC +Ϟp$puC=2oY4t 4FC9/Q:~'ET\t?T󯺰u8{C3B+'^XdamZZM<:}imް׎D+rKanUi*e"ςZs2潤CsS]sNRζqFHh4asۍaxJG9 ̕"ks7u)ѽLOE>>.suU?&hTUy}T!@& ?%̣| K]yoU#p#ZUDdNl9!R hNNg0[[o&O@p/ݯC3ȦRf+9إM)džA:J7@ˌqOK y]^3cNDѠqkXX~Z*AW,&קk*qglamFtqJ-'B|m>hwk!6!S)yBcW NmUZUIˈ.Ϫj܌~vFG$Ba;fVm:k x]^GN 1t /Tۓ@h+¼rW2gOݗ.Jxl"y%MzE1[uy,s-p,MTo8xʯ k $1Y:ȉ&̨;ÃVߧi dˠ "9BOȧ訸; i]c-{p ԉZ°1gif2nv2ZCW5[Pup|i ԜRʨX}I4w@Mny'K):\全9O%KxA Fn_٪*&i {%.*È*m &gR$Le" .$8OTT\*H:~F_ 5BF1ͱNrk Und*.|sޓ=Ld*6x2 v@)I/S5=%_ACFTثZ.xÒכxfd']%J܈#Ul4:({.|uꦵ'j{a~0r9#U4!apAd@ȣ190&hM_Ē)UUmsM%d 3o8ɵ=k:T*qLwu]h]chʓK9:_ө41{y.n|-@Wgl(:\D4cm:d Ow<_T8biS{d.ڃ(!UߴUMo7LԨ}mp:O: ^5*|MSK~`zSm\T ]& Mq+HTK YQR`s3΋ "'NߚܷunKv2/o㖍`vl&iA:VmE,9zg`̞>G^IwyTШzOM%4&@*O4; ˾*=}Bk?BaoA6 Csns M`Yy,"=S3{qn*'ڵrrՊ||LUHnJC) ve1/-ѣ@U[Uȵb*omx`n.Ӵ>*SLUZ *Ea6L\UR\w{g6Dhk[g)LdeW02BV5U6U,— cG `LOU8}~ K op|4q9(\~_=m7CdxH9eMl*ᕉ1Թa2D(܏TaBTUՄf EPC ?Obu'5Hk8G$y*cCrՅrM9Nyk>GTXdnoh4Xj;]9#YM­2ڲ3*joEARzeh@rküOWwZoU^69)'Xی;kߒcN ]< s'{lp Vi3R[ T`LE^ GS: P L}} (႘Ӫ}AlwEZzev#޳)Ȯq}C{bSֻ;IT}6s]:y)\ֻ{`L;%{zFKO}Uv-oHhQ2һK Y~LeڻPrDMwbby'rcTL$Z\2ǸT+*8Qt8]R)cAsdxDz6CDagXܩvk̦uQsdPqa|2ۏ`V w u6Fzho]m&wtX|>!<]Q1Z\ӡ݀ aȄ[qasUM>XrN ~LJ 0H}&ɨj=ʿı ^_> us{39+Z~%iv#03uO_תUeq| f}eR:,E ۗ.{`U\@ dgM04c6cj R3Xl@{n5X1-fࠉïNg~~wsDR:(rJ"\yŻ_o=ʼnZ*ѻ.4a*1uaouُ$I,)c[F@^ TGR&Mbnc\wMw*vVS6yL8džjvU ԅ@Mvy{D3=rYSkC@V@3QbP!q|Vڎ#Pf2{F2}!pT{M7T{F\L_0[5ZtTgi]97Y.ըfJf,s'D:6Yt}U4q-4cB>+ cmƲpvmh:ZGf32'k#o<'' _Bcd'CM#fp5k,;OV=G3Muj\eԕA-e1 ʬ4l9l)hÏUITk- y޻PŹ}ڸ50yQ'U2O@!T<SF6/H z7?XN3 BS)0-9s!SiTUw.HҚL~)\eT{Fly*.,Qp:gy. h-O`]}1ZPkP t:rXϧ^⏉8CM2c-&,y9MvXމCp8fmJuY,tHS]k:&x`!ۊ`r)lKS».R~~J9iuuވK{лO]W ?"Nh(uBJm췍܀sToKM.Cyho6{`CCvYpv9be0U??D *X~ӡ_4T'"ԤX㪥JjtđIu)w犏aT @{6X|Ml.rGf!V3+UȔ %Z|Ujze0ֹ^1OT>0 %2HX'vN+Ҝ!7'hp8+v.,R=Qѻjxѧ'dMH?HnX\=3AuĻ>^G_m 8\K@XAAk" +YsUt5vi?cLhI_5 <)JC /Ak\6,0;&)s h&q9SKU@^5_,ͱ$&nȷOݷڧ 7u^G89y m _,Rg/pjǘҫu0\?J]#\w"b=G%γX7l8a-[QU}r=B$h MUJLƦGS3@*\"B4E /VnͩNw,**Z[V.p9gpXgյ̧kc)ou7Bh 5U@FJ&,~t7)%37 S@sns)YMtn w4'xisWXa>o%kV}G'TU0vg J~lp*D$&vgkTwU%Yi^!b\xF+' ! 3\:G5iDWhGO*iЫwMwD|qvc*5C-aDjp^k V5 (7kKi7ywYoTʨ,B9rriL]60QR *`mVaY.e1R뾩Yn5c/k{xuﵤhCFjپ冤Vh zPab4^eRbgB 4]+_񓪜SC9[QG:Q`Y+Qw̬ v@ R,^,. 짖W _yDu๲-b>.$ )'}^'. {jWR9hb(6IVh ӬxI6Z1U Nm.ޣ4E@f>Ues-)*3 u=UJna 8:~K M-ܰm̧wd+I*imw Ri&Uh>VysnԳ>"2yNv%Pb:T.a5T=\S({*G^EhZ>G5هع өrU 4XC_Ul8 o5 Vو|uDasuDO%-0n5XgUpK+#2UiR6N 3G uBײa5u9gIN+*7O$H0Tn{qla_4O@RÅkXItEGqpyjihOͭ'>IUQu6,vg)Qc~ùh=Ή*}Wq ~ձ|UEYTqW.-y&Sxl_%in&v_y{oTG#%xy,E==ځ}C -oRHxuk L%昦A(qf|N7%Li-+ j#柕O4a_n!'(o9wK{ UOV絽:wbsAbUq5˟$r uL '*75n MB- /u:܈Xj&QNMyNH0TOUJ U0u[$o__ 9hqftY'J8; ?A2F2\dYtWh^ke*ƅp^j +|+Z>DmH B]Ty,#<=s ֛MٔZHsPF\8TiK˹NӅ:h(H\Jc&tJ}jnlo}CI!::<5\wBQK"3Qp51:eZ=Ät*# [)ܺ֙Jߴ?6hӒTkZ*zu|8GSktN|62f'3FOڵҝSH0ZKnj=ڰr֕!U|`1è?-ph >Jr: ~M`ۼwC%(Nn{ h ht]\0tL|~Knhø.q7D G  jANt#EO.`89跜1isCUkATiSkq#O^L@y2E x',(3 JpM9,Q蟲aC1L dWg{x|;vbkd杈uVaT׫knK ˭h,q&VEPf3RygbP2rjS]G>I"AG&$.ϧ$Yk/r{s4ւO c&5 h[(u!7x*5&89?>wu$2CR5F_[>u*=QΥiH=f.4l@-}#54@ ΉO0 l2?ҝ#0iO̩>. L ~X[`L_iAAx[XbuY8GЪT&gp9X٦:&yh 5%pRG%8&jS&LTXvjyn`{<5x4Â\9kچ4Laa^֜X.M4íf%;`G2~s ƛ;aRWm7 y"b0,hSmggԬ\>X:~kVGftRGyoᕼc|װezER4GUFPě.WX he< Z>NO85L5Uꖵx9amٻE$9 PH7~JmLtJӣZUS*FEauV.9+hȧze&73#^yg 4ˮh"7k {af ?ȉ[tZ<-XTʹ q,YXurr=L#iӺj~fL--jkRDwGkRѧUFe+w/E+ O_ XXQ|韆Dh Uw S=2 X[IRL1a.V"lxXZFWQZ] Ht9:uGV5U1oJ0Ktb:2~v:ջ6;Իv4O5 pfts\78S)fD+y놚A' (դ$2YC*9Tu*bXG \/<P hWejgiemmf<5@u 2Uud4i# dm;03 y/SA@L1-Uh0sGDse:CYV͵̭p;Rqꁹ->#Ś)wn(X!^UfL.ȧxx*7Cx,%?*|T Ҥ zͻFJM5?򫦣ˀp>{aЅyzMZbmn4 QʂZV; pKNTr@*bJgFDd7Soxuf>eb 9`\ZM;; 1.NCCs>KXiLW=G1g-q Ku[<|a'U9fF){DU*ݝg+HeJdazDiZu1P /GCD=ե{G%"oCJm*!B."J D>J"ᜅO8ےy͟{@~C R\rS=!0ѧK#yT!(tE"hF$y J.*X\1{ySjATZAy*7,I-p/ ȱkH^U 0<5?6g.7,'{]?!°檃!c/uLko#]"3թSi{8F)u6{QRrjh^e`mQ.k nBZ.Сu wcoVm4+ԫj}793 wz|,;3!'a\4+}X OC:V: v&ʐܚj2$ƫ 75Nmi"K}eLC |fD?LZ DHQ-YLA t2tj81br`yp٢d*9pNLɎmAeUUmFSk9D,Vm+vMN +߽hsC~jMu f^7%xSkO|K`&[%G 25 pH*:xOUP 2ElЎרּ`AzAne%By&O2N~JfsЧ*urJk*}"O>ES9,8;zhUs-$Z*\ ᒢw"3Nmi.D[*jUBրT8wM#Q‹]}HzK]rWf^v4:j[}\5ge7M; ʁN\f2|YaZLĪJ5y$E9 a);҅[kKwFs|tXO>"%od.wXi TV+Y= YI瓳w*.اR=5V u DHIMl&G޽s3~S XpZ,N3.+NCϢ6)TkUCK/y[~ɞhb*Y!֓:}\;OTЈUܟe?Hȷ3AS0 OHd8c^e/+zK]N*0}BDDfh ҷ7u0Ч!5i9gT}hUˋTeg)T?#x,h$xD4MHj]hBT M~ z7Jm':[96K ;o-Ӝa-)BfM'5W(;iWR4*Zs\YեUeGR9*g!y5DqNx}{MZS{IM7G$Ԟ8Vlߛ5V#JSPĿLp22X?mLx7fsM&%vJMߝVq3&"u+i<\$'^cg-@緸<x[:5 i>iЧa̔Ǵ) ei.:+U:cȦ֋DѪh>iL}8N}\ BVΑ$!s44^hwW>:xpY[gPp:*ױ||y[we4d4ٜ±sM9@Jz$cPee>nMSԂn\Lڊ/S57ky-s ADn 57}`.7-J^x)eArW,۫mVHUi,EKDTWf;ܘ@b< @ve`m';Xu:02޷{[PTe@$$4[jqGhy'g@QRx,> O&BgdӦ$U,)؆9 f(*f?־\ڔTMʡZ|0V0]:A5 ǻNjnaSΙi'h26Vo5I3dpH' 쎬*K^ZǫM!6e 2FɏU(Xch'-e`0SшżDesFt \52䫋*} >)o\Wm)0ŷyD41akUK'MVّs'!S\tE[F\&b2Lg iJ{p橐Y颖FSFDt 0N!>yPi) j0P (TELW%  OB{u<0oJ״Nf+#%a⒨Pm4¹M0aC۟А_wUUgaw, 4wE q g$BV;eӪҗi晢J*)t'876x`8uL1˄B$nOC^ Ѱ` ^5.)o/erlRۏtn3oBegTc̷{1ZdWg*WԈ FTo?!Ҭ]0px*,j2SCT+E0%9‡bwaSӼCrsm0sG<UҘB9ܴ6ho!&!UC/e[=*UamVEa`p۷zEIM֞+TtpX8yLaJQr]\OT0 peCDw-k{߂Ԇ* fn0حŶePi{h9L&؀ByVSlpJq98[19*!Uwӵf,R mv3 AY -%i)UTCa4dcc{ydZ8\UnU>O9?v7k!kw]!aiT{ƖP[K|]TYXxzsLT2=.e=Z\;v9 Oc]rW^ ΩR;PLIsX^*-k2Ui1%R@˪uWI]PڦRH'1>OӚCȏ /rQq,cSjwIғbpQ$[O9se; ӣ[ao^hP%Fj'?%/|*FnwWt=>LZ(妨TyVLNl>.ᕏ;CMZTAkcf]QQn傘3 ohdKO|rXJ]Iܴ 8Z+\Vl/a, ³bIWɐ\3GhEmrU|DuԢiRBmUtmrjԫW1H](˻q.s_{ɓ0u4Tj?OfA:a&_&\<=Pi0{5*Lx^4oq: xUuwM@I\Fқ1iz%Ps olUsbӏSM9AT/ʂq%RDStt鳆 ]} }ZdIaM"JaW`gtF3$Ð9x+̆Ɠ@ˉJp,6Qu>]Sh#Lp  UTS#7yP&zǗX9.VsG4LTmHnAE0HP̭knp6p*w901qE5Bvlvj3Q2\z8L!'9+F߳ly'CQwݪ'޺X;iOS\l v-Yn!uXhiϚb|d%bu'2x&ccyJ-aOjwU ;)9BJ*fLseP4fn/U-dG ƈlysR_=*¹5o$8jT#^J{x5CڲJ *MDD:SD+Sp W{U3s'䯜<x!59[7ИCEVRᓪ[ӢX3> 9o)/]/" M`qچqopS\hQwo,Ȫnm~JSdnNtHY57_|Sʬ{rΪH1$+ʛYCFaSi/rMw77NeuFF\uR 1QO-9!9ʧLn'5S: uTE&G&T%ZR9yu'HPiקCZC ȂE;6-_s-ks `Q)6!KZ\yM8-b 4fߺw,Zv؍&Gka WFBteb[Ҍ@sXb7`~(" qqOڌ{@sWw=[k XSsia^O-7:}REĽ%֋bMXGT N\wqf_lh ~zdW 35cNH^- m~^J%Li U*=h*99 dNי m'4 =^ . gU,})H-2=\qvQBiܲ-TNSk槌5jA`v] ƔSl\nƗD Dp˞cU:&Gsfc0ċ[2+[ leUstO0+Mw,M9җOY~Ik,|k UAg*ė.W,M  ]jaҜrȭNU= W$2FP8H,8L;J" M~92~RhoO"2P a0Y!b ơӉt*FNe[48Sʁ#00!„uN!B%JjNS` fm<[L X]u6=murq ) HCŒuV?wݴz*2tM*Tis=ѥ1HSܖDo(yOsH*o1O(CLӜ-v{ˍ̢skU:z+`G$O g/?Z5Maf^0o v̑™d1Ls I|,[%ZrWDJ*خ.>ISME6sT%V͍ UIU5c龠]nssa eisne9w'D 璥y!N;NkF\]uE"lY%1!;@Fn赘9jNV$"5:c)d+FY&gT~#%Vg+[ {<ˉ4JB6ۡe0 #67'i"sa$oz-vy8ndYRyT4 ?ֹ/oSV>U8e &2s޷-p,NAnV ՍCy2skþisx ϼSZ2o S\`<t9"I俁Nvd֟MJFن>*R Sj Zŧz@]Y^wPYZO9ALr~MYsT(Ѷe5. X~*8+-CSih]#H,*=֪n-R4PsGBTE=i'(Md2Sv:mҟ{@DCT`ys*d3*38JwB9'l/v* WpƥS~jwCvVzQEPlrofyFI5<&Qu٫S\Ot#j"'gJZfUzuTkK}+_^ jnq7wS:bGIW&O%yuBC( ؎!U(L vRӞQSgRK%We4ܮlQ'V3r` M,SN5`^ MpR'`*TJ\RXzTMVΪ-<{ȈJim뾉棄{f曊#\kǂJ%BoEwR匩;Uk|r@iV ''Z-'#0eIg;U'dNÇ!hPUFj])Nb&TOlL> V]᧽,8mVĹT8+XִHh:'2m uAµRT*WRz&419tKP8dUVXF7yhGvy/]R(aB eU"ntLl:k}a4Ʃ97~ =IWtF\NM+To$é7@T$ocZ eW]Nn5淘iXBo&HE{JJEك\i,>6uH) ND&} r^S_&*Gk訷wE,gz 7xEu "M*Y OIr*`yU5r^TAQP*+Xp 몴oBuѣOMU570莫z,嘒\5 _CA8g$3PcJ!90V"s`}|2M[f p9YUpYF\Z/ԫ{9J;UYCZ9v7gOk9ͤ*oI̪o:j}1u^L]MډT=}ٜh~r͒ʬUJu@2{MIw sn*,IW0vxO+HtUM:cD2s䍆hr4ө5\"~ix鰦SW!9R)ٷg&)T{LL*$#;lz|Ka{KQ{Y=Rxie}Bc n2X иsrVku1~j)\w! 8rꯦ3sHTa>IvF״r5wODi <&4 S[̑MBtԩb+:QȕBduqU ^o//lt+zL;,ް=NY"%E)FHx&rN 2U M-m2fJLBf LtswŎ ijUo;MÒ0zQĨ;;D^rr_(duty-}Ӓjb~ٽZfa uE2=9F>J/en|?p$Z69;ܿ5%O}Jgx9qpRz]a>jCi>ͪKG;+°&ꆫZQ@dUVdi)Akp{ ENо.l`)W) %hMb~ xvU٧~k E$^NlIth1NkɸTs6RՍD4*nžpN&DHPEc*7xE1D(vFS*Ԩ[żAAJO)>2d?OOvz6~jj2Y rw\RG{!ba-=OagQy"XSs#+v?6rN ouT5c4V7*'s)ﵤԞM9s0uIR$~0LFY}U;iGXU:#2:"DTd*dR{8\Ce \Z b~yަ~mGxћ] ufb}nG%@ BNNl#]5S+D禊Ri><>f\^zrMhh:(VR$ǂ'6jaVUDGUwltU;E7x-6E4Vtk#6SHjR.DgR}:&Ϣ;Ng%15n7\(maiញԞM@t7{ \;C^HB2kS97 fBe+5G2WխRi.{Qh=G0 ,‘vAN$:W35W7U#z쪔Lw__:d*] O%~Sp5^[bhlQs2/)z;5iBq.Ъ}Xݐ7؆7VT, Io8}GnTZ> hXpXv统2TF4hiS{-tX|S4ƆC%jЂ湠>J@@X;6 _4>US6YFY咎0Sja$O##$ /4W4\Nj)r@N e8l+Mkipo~d'5{ajw^9m&M♘3bknYN/x,FWv޺WeaSRc0%7uXLs[L%f|4!n)wFeTQֶe'G u(ӧ<ƪu3LjKIbZp 0oi>ebnT(!4 U*m8 K2Dv%:Xz6.rprn'z.h-JɍXی9> LZ%awj# m26l'DFK٢Uz4m> Ana ھ|+轌&g.i'[ ^Is# LjeW3B&Ys'ՍO N i-2GEA tR⃏vSpd+<G=CSi6*r]6V|%Xs)-M7`l] a&e;CkOC#AYiXk 89љ j NB;=.yTR,7{\rv(U#019?-$NS0=ػ{f::AkI 0|D61.:}3rM|D˺ǒrBU|"}DڜUZ+u3+w=C -Dvnlޙ*e$4ݪ4(lg,NY >8y.-mrjpvbvJC$*gCaC(Or2`Ach&.U{xf6X;a,Bu?X7$O8Uq>ʙ u`Ԯs .7. $stnvpgM<􅀾7{+}]֗d2uh_Vv%E&Lu32lXaMsT7o{IwlߖʂXSgx0Ϻ83PܜUkR~G J\iʣ"|s>AT3=>JȊtۉ [FϚ̔GM}(rA \sC]-eaj8Sk^-QB%5 fsu%]"NjRITxl9,}FcWg׃roŰ_.iuNU{&-N?못OF3F&i4UټMdHtU sȬ%}rjmQ%B*(PBjjZVHżOD:W8s{Wd2EUnL)%6Ub,Y==9'ɐtld\!P֖˓qL!hAdN nmV2= ִ 3 Vnג Dq#T{aꂵ BÚ3eSWxM祖תv 3d-B. Xa;CmXSaUa*yM I=Zݮns|FjDfs@?UfYP^mSLU;mpӲ %5?Ui!a9Z׺ R֑~G)X"ThwsR=Ld7K@]a:g%b(U^915 A'xm$|kZ^i } sN{r懚U reZd4 tZl(hOU0O"4Ҫwµ̔@s|Tҏ{: koV!3r&ZnU}Wd}u.qz#Q !4!s@~~UЧv}Ou#;_"֛ޑ桽Uܙ|kN¯sT #Ԉ]J%=vTe S&9f,Pky1Z r6$?6)%Fi=Rw& L1؆C'4.h0>h_dSB&sxjNܼhahC[5T\Cs|M'-|wfL/7UPjI?W4*HwQĵǝ:UZoHt41 } wB%ak4`v T4f9ʕa9}wBZ2V:$5EbL>tO>˧jkʕAQw?%<_3"LB=#Ȧ,{f]$;kxО\:Cs#=`?]NkHeyhi҃2VB r\i<7FIĺteZhRXU.ͱ)aMa=&ӱ^շ=ӏZJqZWx&TU4DTЪjMKWiWsD(ŚIUAȝ=L..cs/Ɨ݀g'e&:>9oX4.n;pcSt-DHF[7 VW\Z4^X& m h@JWS(_4{6%bnCÚzrXVRa{X*"X=1 d^2(ves̯֗&}j=א⪁.>U80IgHT]}6A٠Z e;ӕZE:O8TϮ;FliCϼZgW mrźOS-ہn碝]TyܧLWqƆ3h>j/ 'bg,=[LǠޛBz)D<5G0}j̀B{H>\JjQUhTTi~ .mQ]u<7;Oo3)w\-FJ g`ZoD)x)9#s.i$w^a9X߆oHj6v\:Ueg7LFp/n\6g}jRCi#ԕ x,3s(ViNf*Ҡ*E혒R%FkLֹn nR):]ҪDCQM-yJ!qCp#CITm[!ScZchvjv75O;WeN|әMIn'{jpdHdQ.YAavlz Wn:'8#>ΛUJ֍tySCfnW6T#)we@(-i@V_ ?6P7 | ķyftx {FJv,sbp? #.5 R/5%4Gf8wBKxMzmNצT.oߪkq M8OZ_)~OK?/~[R⭯_U?]OS<U[E7˹t*r }\= xk+Ѷd VNhZNIxfۂk- sc< jՇKG4h:Tzʺ]tD>aO5lMk/!T3ƎMD0uw5ID*uYXCr(3iSwy9pQ_JNFEnb&2u]>jKFlgihEcYלx.h=Pc]*uNWJH+{L9/9*X~j`溵7̥N:vs)4O3_ُ5]ի'+O%rQLsWeL9'"B| 4 jA @6y*[ʏ n+qWe)c\k9gaSAѸj` <̗@3UO<; N qDCG4uz5/ShQPTSOQL`J>HY:\VEd tVΪ DL(CvMkG=Sapzc C mV6&zKsMt8N})i§!P:sDv^V'kwZgMT}'3HJ7QnP" zJTY2O%Ul @ ,c:mZT fB##`ZuPŴQt0BR:Xw @,fQć8>< f"Y49&fgeU~5^]:e`7':u,S\Y[1ⷕ(5j? |G#.|gzefx8ukB?i|X:#A([:FY;1 j-ϒ,{-O'-P3£e'Q06-ZG%IkTꝘ[[S[w3fٵ)B jhh@#cJM*T䝢MJi~i |3& תcZ4().ˬ*iS>P4ʡ2<¤׹+| .m@AM2ܑ;2Pa -Lw.+0!krK[iڴd}L vТgEKMU vasyƂ:ibiu\C1qUjƊW8{IO ݖQµ=:/@:Eu'f#U DʬᄤrzØ_uW[!zUPQ2m%vχ[cZτB2[ݟig4l[MZ [Fgލ ˸Jϓ^#{?U$1RŗU+L E%4{QŞuV=h{E5 EBSD>aǪ:.ĶTve4vB湁j4RUèR:UxWh>^4k @<9JFD#/0 rThv@)Z<iDɘPB2nav=3z_U|0U.l6Mit}5yoT;2?D;63{;ٍX:Peʥ0Z֋O*0>;]Й__CtE>s`\@N*q2F6hJK ^\ײ59(kNcz*"sr~ Ɩ "Tq[>}"|!n? ^Z]2|jW^+FJ(^ժߺj|@~[Y nqG^_ .+?g:Q؃zwRvD3qP~mLj+UDi4ieg:ފ"ȡ =QԔ@lm0S"v#Ѩ]Tc G*g'?S5s,4 C pOuMaΌ;\c]6MNwBJզXNuЅu,{90@>6㩕O Q[aT ->K?(#jM+z}nޡNm-<|dJ)^2\uL'*:Ҏ)ky(wTtxX_ItOJ8*cʂu+N-{rPA6i $CBn`p2U,F\\^2sAŎu>aqշ8wxTj ԘVsYEvM[t(EQ71Qy-E^S02Oe}ۺ5k=l%3ۢk5脑Fa= qtQ&;HC~%wGl>Hf5*3n~'r#[S#p02ۊl{@'(!f:#gʔwBO0SXV[fRZ%> L;NSfZW~ZJq4pqO5Zl+ Zk:m#qʻJ9BsI1FX snXogU!JvA(ӞIB+w6=T:XG=y\; R(s1f<=2@Ts](/P 6l;P5rR,LYV״ N4[4tN:X29UUN.}E,7>V1f%We,óy^:'CD a9>IτriK HFYl-uԴǩ 6J' Mͣc!=[̑Aˎy,vy#vR$Ss^L(ex{>6TSo)nYڭvu <[ .K~uG[y4%Ti܋2VG S堟 MG{sx;Y+kD OԢ2)ۄxڏQ.UZg,1('8eVX`KNzme[gS3MWyPUKtWgϥJ~ 17T^`d 'xRbI(=:nrpmo/Wdjk 7ef՝S]|DmV4R O4V)T/K9B5hѩikgO5%Nxy]Xcc*K4E܁i"-/$7lȢ@Q(#]|zq,daQ]Zg&ʻƏNXmPzT Q\HBm>(*7_, niGTiyx#De@MdO܁sO"@UO n#YAVoS^oǺy=dmi=q;SLWhewO|dn7mi*$ !5vJ^OiVh> lfuLIkD\xZ#6Hٸiin B^:L8OĆtFѭMq23T+==Jcԩ[ﻗU|p^J޿L/ɡ2{xA{gf@EG0\>9a˪K:Y#FӔs+-kE>\â8rz#D̦Sr\6́Xwq H-czϨTi>Jn\*j%sTܱ}E>J!Jķgc4Rö=IOe\JOY *?YXe?Sm ŸQ#O8o uHBwOG;=p SE6ZV'Z7ڿ̫r[*frD5+:ֹ*6l:x'9O;yu ?VUJUjS1nV5۷wg?lj0NDѬ#pU=Gj٨FBZrMAuC4Ji$D\Ni}z-T65ZV2*2+a麩68QiVgQ>"sRk"AL&*Ew֤s@:V xF$3 lA. hԮѪk /SMJG)O3(z)_$S7JJvO%g\@lڻLN}oq޳z}~~TfSNKS8"&ssP`cIB\G23Nhx!E[ta ,~6ia֕ڮ`jğl=iPlt~OɅ)J gfkS䫙x~}'dZ ݵnPbwڬKNGW0Sƒp,5Kvb^@BgogvӓSmw5jZUxty*bicXV_SCZ^~kxOwz%ժa&qmG谴i vchS mJv> -Leτlے_iĠe:簎FY N~W1q2VWa^#I޷?'o=m]vdB#ll$aooX'=<^ݟ߳ǧ/Oُ,jL=[ڟ)TK/\Q=/M]9 'UN&閫g JۿمʋUTuW0拭nj~A>V>ϟT)%4jUnr@,q2LftB 2d45'SkA5:ըiG)P>^)nwU  >4r $ ٔYk {Y8 sd7.J؟5E ]z#P8z!fT _4l)ԣj+jVJNBJrMRRj:tg/#%%wTP*V$P੘jWsF[v*3Uqg5T2ghpp*t5 WFU].m60]9O%ӻ8&sXvW8eĪ6ʎoC4V AD%T' ȢP7.kPw6Wl ܲV({a䩙` gَ~y>K5_F}@'ŧ}Kyo-?]OG'/Ysf>c|eLϑ> !7~  q脲\isSu> 0_B}E.[9gD.)Á̎$KLiR۞qJd^hV'*o$2%`"S Vj:ݍQCdeqdV;5jX[oSs΍`_Gn7hG캎s 7FĈapwL6AiT3!xI˒kČh OǾ|SqfPs DӁb!kD<q4؉k>W"F7_tQ0Q i꣢ᖪG"@o!o|ܚ#5],"Lpea>zɥj|ef4֎gԍ(F']MOoK]d inmȐ &юMyq@Ore_P, wzY&NtOUjS(CC"ouF\ Ag?(>4V z"SG4LS fs觢>/V%ًXnN+ RkT!W͖Q1]>O F(XoKmi~JFl:l"u m-k:h4Ph`6yf 2uD-LDSIaez.ਚtYhAKg%9ׯD5ѦFڬwB pGX_e//o;4^}܂VKEMRM,~v5=JƉ)}V^t2sӮjeTL.`,5Bg4doa*l}Gg2-:Ӓ&T8ŭ*t)Nt\ch戹nNJ '0z-lوL}.tG⩹|&dBu OA [q=%bg5 2!S{s69Ǫi%FQM}` *a c<pz S l:eRC$jUkEk8^܎[FpCVWihϚi FO{5s_ZZr7K\~m01K/`6EW@ EHwq;zpS2PKt(憋aX'~QQ%S9&Fg%sA4ӈUrnPV'V˧E!s]vL6BqP T6YQmkd=3i{X@Я{=eTeBr0+~Ti> d>m9I^!-?4j1úQ"mKX[mvk6 Dw3g }"~p&h6WqfU!i1: ǩnp[t`ٟrhsn-AZ*:´R.k]uIXnZUk3P{k6C:,V-ӺQH:tҦA7waaXvqqT60 Tk~4#":S,jù~F]7KXnqs`&"KXJ)ucg/P(Cdz`z`/͞MT1~s]/@r *-xcF'w% 5kC1;E@_Z@p!YW.yT:>a,U">%aulp8jqyu$Th~9*ȯLwEڎ=#[B~c jsV25C5$I/FK9xXa_ C搏Y2YHk k񚅏yL!QbX ;)TɹZNPĹjZr̦3ؓwąs:N9@Bn9Ŭs.M=o ]e\h4+=U3P(N e"MFl:,ڀO9 =76QPB!Fzt^=G jiw=!s|=NK IvxRcVKꏪ*Ylkn#6Pe&9uVs{܏Dw ̂{.XOrtw%OxSۙ'w^{NcT67˞9,!zӛKb|SiXB32Ng5V/cɸ]5iZvv/l'Nw M㫑mџuW4Ѹ'H@TWkv7R<KLKxHXw5ָ"i .]ƦsO5Ru_5GT0{1憐-vl(*Ttb)0xpiNPwPThiC|s)=f765x'8O-\ A9ce4xf)aȻX*)9SCEsRI$a'`^ݽj*1GcrUmqZrbiT47gjxl#UVT0C8Ӣ5 Ou{9rٮ4r*6I樄Ջz#IYQR ҡz=C9h门=q9 KaVeMt$ꛃ5#!apo5*ln5nchx˸}+K .szeU?86!cs^C K|psnnm*2eȾ26xFkgT hAiU1vIyק*x%# c(SvB1)j+EFWyW{g/dvBW*Y^iվ[)eT*;aoGs.qxqm-nz.4o:?xZsEUs5nOS^hQ tO*i0N(cIy'c@ آS<W#SPMny#5}ymw~Y*Ns.q19Q b|"dJZ=Hl5(}AN=HGc̹(u9M%*LiRDs cJ@{]@Wg*T)CM3G9&ϦMᎰ993:Pv"Bu0Ak9d`Y iR1ڂ}Ȋ̔D;1⭈s/oUw@ڔ\eBF8UB'ZySk|O Kď }IO]cdm:-T"9&^?Tlq0JnAv)g+m3ncU7|>ypmpSS+JohmkG Y5=Z14x("bUJUh+]T6x-dHkd4%Z.r)Xu2S h)7UzSsog7vzmHTm,> `4zXc5; lxNȠ!"%ǒrUS Xr%,%?[ 2~}-Cռ붅Vs`94N~g۱,6Pj4l.)9aRR(Z@Ca|@U<{"v 182*x8;w~yKOXSd\GQ)6VjԼc\s1RF}sAUw2+X37ѫU5hOd| uR`-3/F7 | Zb*ꅃ,iQBpU W yUl ;lzNUoe%¦q0n2h'\A iq^=BaG v=9k@U:' (b\cR'l+VKU!BQɡVw ~+TӤ7sUDt' Qq4.\1cZp194v"'N֟%OsV6:䱔ǫNg0<,}cy^is`8qb0Ŕ!#%P\ ṖRQf[7㘔ݐdl!T 8u`PB}z/7ʄju9l5ͧV p!qƣ" A&faL$&ytB'eM!"}HQjJ%\٪D"!{dj)5ֺ+vPg-[SuA n6g$pޅvk!ȃ$ϬK6{ksY(QȊm^s;ޘXjK\Rܲ@`1M4)]HAI$=*WYRC+c~}Uz>u_lмz4=c'g_~T._ @!ڷa@"U<^z_~~/@*0G~iF\n_?K_Ex$ ZUY>緈w~X\~z+^6#7~z5z]M0dܭhOAՍ_櫽K/1A .JT^z'Hѷ~VЊGp\Ki>?Uz\"EJIRz1as~'Mz>3юo ryBw6?1 >"[NE_/KYCRJ~?/1;r߸&ehk1;r)*ܗа oWԌ}.\r=JE~RT}ULFW[lsbp&low._EJr+֥~ z?c0{.RV&*[^(Korn>w kftbʑ??g2J5^*TQ%z+ֽ.z GzxQzo_ 4a*fg8éf2#wT|Ns>m!GЊٷϪ*GV R>Wj쎫Uo7/>WtQ]4??rEܹr2C>RpޜD:Bݦfrs2J5ϭJ^%7j.nja$8QF; +fh #>cLEޅ6鸍a ?螧JeIHM+ٔj`b*tB`gHpZ <²MvE87ԇii7gңY8cb2d+Xß iGv} 53m@Cu~/YhXq;???bjU?NvVyG3N& mVsTJ2u>gѝNNs؈<,U1(*yNDU8NI\.j3 OF&my+oqڑݛ@|5;F6mmχգf=JYcxiP.+,E+vlWE:qU3<>*e.Gac/߻ .^ڥC͌?'藔T"yϜN2m֝Oah6W^"9!Ҫ{2y%L"c/@ s JqnqҪ8.Pi)J.eB%qiҖ2=lXoy!Jvmy4\?O?Lyf_&+i9gn!T ,]$ZXtw 4vN_RU<`q63TT*@ͭ2>=?賘YrKhGC yC;D"ݮ3\4Yt!kEt4D*Ǣmlf!H2ҾOmW3Lh7+;z=L:̱حFf}fplhHW(Rp=L`Oa2vوe(  >|eN9)%Snoq}״"=&]0*ovK;Lg̳rwmԽ[]]"hT[Sa|%{bDlıF!)vy/>6t32j#+LmZ=c&F.[9vR&p`U [x8579;s1Q)q803cb.7n|SfmyBHIv?0PusNjq8bQC/2Q<\7=sn[+5ۙrQ:tvE2}c=೩Z_/IkYQ0ޥ⧺tY,c5<J4jzjp0į< 6oLx,E\;\y0#U3Xf2:/?ybs"@W5 -BPȘ$;P)pep+-@E ۱h ]616_,*s0}MojDbKTP/RlN!8rNEXS }}u,u7^w/>#a-x0z DG&_hX`AaP+؋|G!gh;AWAn&sKPҍq*%q:ypzvs@Ydv b\S?8Gt,ra g#TBcؼkOc˯HrIGf#LLJd,N<gTBsWCA0ےqX_?y1|\3PZg?f9\yGtCL6q:',& -ܼ{pmy{\ARk<^Sľ(HK-qRg107R> IЋ^[+\שjHkIot@-⧴7V,*9 R\UyTVuaBbƿ1 dQ`v= @WX3RSٙAkXZ~IZ*4a.iC6T,wlJnGDKu.j+FRlg3r;.mSyx{WgQ*Yt{1op0/b3M>YMj:-ffA3 p#_qa!-kCSLxyByn#Ek~. ⏴ ֈ RnOyxM w͌0ΰ[ܭB%ׂ__B&x..lDJDZh[l +5F:x;K+ʲ\yW_@?ISo[i<ՀܤWvFe? جck-وj([ݿf06]I/]dUT&8/4/_3+2GRj*AM O9bur*),% o}L20~5L}(~xِ!8l܋ßxfʍbt5ůKK=ԼjnmdDϢT3ݧDmLΑlMu2W*0Dqc%a" iEi¸Ut0A/vcEyx@} *ΪQ^ﳬWsbdNC=EFf5xmoȔCWib(4ЧZ[փ0)FA+t>ʽyN1lƯ>0x8gAl+lA2FI=C(3G1S48?쳵 1!g-j7wnT,rlN u㙀#_ beĪ`e-?t;xoq^[7y*srnR13kOeG ەKsDG0TgIm&"*.|x]y{҅즾"&X :F Z;/ZVrusx/%zwV[{5^E0PTo]{]|LLM  חS  6(~g1*ҹpmE _SpZ{և-5 ¿ܯ; d9Έk$i TR&~ȣCL;1u ݹv`! \c~%{u}1^2͐5VƢKuMJ)PցcE bX_%3^<ŠeQniGyJW_ΊbcgCg'Ɇ8\UJpz,C/ ;ڊe*p}eԷ s̭l0*Rw (J2V7dSY,\^D,YcS^^cP@n@ l?(ljivþ[RTcm,x C qz^ h5)okѴL@lk^pi03sfR!W{ruE0޽P7WF*pFS' qa#kɰ }u'T 2rxѾV /5i7Ra"ԦkSn DS @ߺjNf >=̅vfeԍƱ(]g/i\Ӌz@}ӦXiP&N 3Gr7v-h;AA08Het;@TldM7Ѯ8Vhׇ"t-_.#e PglqAvR~IV|_JU)wmF"rU*B(ڷ v `j)?Kf:+R˗P*>ڞX & iӨyzAn?L*vʺq:g!ZbF+Jx9eLьF``R\',xҜ% k^ 4,j8L3r8(b(d̥]UgT/E.AX7X< L¹8z] >&Өyc/u?h5SD#x.+y`tvB4 %{,”fǥC} ܣG ԏo X$wgYeCPa)D!pP=H !P_(w:x״Vf%F_/(J> 0 X0Aw {17drn򍣱8N58or=C\eTs\F*.iZ/""NCƠ6b=Y fFp'_1Fa,~^ѹvL%NZ;Ҹj6^Y]NKQ9jZy .[;i euʸf0S߿IN{KCg\(-~ fA`9ka.`:]bRl~nMw^ n)*,/@rA^rGJ"SwXT&Qi?X9d\zeDzE@濾 ™)uɴ=_i\;]>k#~7,b75tStpyMn%OG3⢪y~hLcah3veÈnV꾦0/y}fwf h{`r{ΜRq&HMɸ?|i4(, saky4 =LX`10̂^|GBM;(3O,Mnd,C|)4VD3l@v!`(')il"++(cXcJۓ,z@ Mw!RَCh9J- ϓlP|[.lxD(XcP!Z A* -;G1*̳Es+̶yS=:"ʻLjoe(#b[ ϼn:Nx(cWeK^)=9v 阱YU{͙;R=it%İw1&˃L+e nkcɺ5W_{]X73E)cNO[?׬~y3]pP9v')@P܍+y:L}v_ R9iCغ1l&MP9 3.ؖO0ipo;u12ͣ-l4W4Dte_aX#>ޱQ!YW{JþiN7eȩ2 \P]XI\ y[Z#s{KmM)%<ܬumf:Fߙ7uh&(RPlr8͜)rۆe&<`Ru6cY@]piX`!RH֎ =P;n=\3" AH\5'M GP*pF"_Dv8ʑ 59w6Cv uc`N,eBݢlS>`-zSG0+US_`INk(O#[X5n58|T[2蘜)> Rl*FI>:]zinwOMu_-R՘8 LZ4S(̞|J^eC8ԶMj80 kb:#䍥t?x Mijz"y4)RKHŦ\T2X4#ڱ݄۳n,'vY"mx5 ;+(}k ˿lJpo#/(lUQp8S5NC/-76j%+Lps0iS i:<@h}UӞbĠ~߃aQ7#*v}}7GGGQ$X֥reۥuqC1ʧk/X7pJuVo3Ji%FפZ:VR 8Vdeu-o=k@-.E~D~9j 2ccT2+fR-*myqnLeTEn9˔,5b] N(Q 2ݞXmxNqf/-WT3,LQa|.:-Ws&1BJKUUQu/ Xqc̰ K(uf UkHL~ "YYƷaSa3jÒn3908#_X4@5α}pt; q *m\AZ8r2ƫEهR> pza=75{Ģ2W*:@Z KoX%k~􉉧P@5RI 6UET_vN{7dfk_!N9%PY7ۤu!PSTBUroA%-H"2XVGIsIQP|п rB5.p}`!riC&n tKzL˘DF55+;O러DYElA -grl= 91Q+.%JSS2ӯՌ/^1!􂥀ٞ+hc^Ng>pdu9:M37+5g,EEkAy*lFQnZ~C}!WpwU7*k f6fQQjȝ扺:ڟȧ l kmAp@fC#ˡLqs/$;uu; ^S7+M:Cдۊ ;&ic.CgMU}'\!{%z5X:55\CQTW8fk>0  w,yB9<v1{ܪb6ǴW\thP c|z |6|qqgM9V:B ?FT9ה(7G N8 iw rx! jϡ(ݙxX2ʶcK5}i=u5Cs+Eqhj׈EU_)!_mK xb珙@r̍l2{9C,T(r\rCb\S'J[';K#؊!*UŠ jcuD5)ia*c̷muoAd`@k Kb1קoN`DR¸ , zb%骻AϤtλ4Q,|acEyuYֹ-|A9/iV^jTF/LOvpOc9C=?빉Pfrzw Ɋ<Z.˗>ފfM;Fh3V% P',-+a] KgDZZVq9D+f=f RK|7 1eQGwt9T'i˓ԏ ^O9Qt0 Jĕkkc:>[~q Dh<=&`{dJΠ BxWPt%T~{i(vnPF 5KC"H2\Wi'ٹ|8P 3 ĸ1$t} P3g.%{n{ -*k$OA<@k^{VF rŴo=wίhT 2v)itsrK)0RQ&̩[tg\k YmZ "gdIPљiӣ=}fgl8l}c.ǘ4*`fj\/ъAg̤pO35B_2G7QsʨhRၥI{푱at\{h![LJhcu>D׵L@3([|Fq<ĺq4#L^jA8}9#ѷA% 1K_V`菊j`JsZ, n5|DX t.}%ٜK^ p7+2TPjffn&b..`HԏJ6kI*hVSe+j>ePɖW (prCo8W"8"eXΐYMaˮE5\0QX#q1A/!~ϛ"BfAyc]!N ^ٍve(YA3CvьMҔ\4 i8HNPeLk^1,a. =!'V2r^XK֫`!*AǼ!u# -:@׹ Z_׏JE%1S-naNefdK;ezd 4')6;Wr˅)Sw٨ w {JuxB/fL=Jd2ڰဿq*1ײj0lX:jMޥ59=a_~%x/`=vf]VWY`VHhkTy?ݽo +,D6Kޘ:Bڕ ‚S$93k7WU|fiD5|2ߔGRӻvw !2'<WEo{lK!hvz[e1}fo~¥3 _1S_蓏*mR:Vp8qvo@ 8CVK@;$ eBs̛\AC #K䎉fU>&p*X/tpD\"X Jd,2e h-W0ֹW0-!;%.D!uԱo Geѭӓ MRPe/*%̴u89Umt'U*avC]ʼn6}JB GKU+xtu_tE,Wԕ_N1Tq1T}?NOw0  WlPKtK!*]He|ͽGl)cMÓ")KŐzEas>*O:h4Bg+/ DhlٰykY̺f.HJAH9rDWq2tb6Se۪K*,gC@%U0tWȻAD|Gg˒0qbY VZ0:V]Z")}Y4ltNyqQM13D 9ZΦbG&nҠÉg\$p3&%UI}J8ޓ( N}ҙfIc26w@z+S2sc,?Xg^c$FIqUl {_&Tͷ̺z۪_އ+D1b^gCpA\m>]+1`R_T ;sa IZ|[9s1"n 5CJ(auqݭP:O4.s+=rgЎ2v< HPn/O8sbA|0<%8^FtA9԰Zw4*s,r8@ hpgBU+o7NEq @w ѾoNd\W2oa0sI"'Ml)S30f5o,nQLBk84:i)LxodPkg\ L/wK./t k}BV%7kC7eÇ$h! xGZ6 &z?+LcgrԩUӴLgC1sӦmdh:N'W~-LLsT|z%-X9h[|%%Ur)Q:l+͗|CQC qRx; tJ 4_Y͘|fep;@ KcL '|z852w& 0&QڽY(EI#7ˈ[K Կ|c?R4ωe3)G Y2q) ?XVx|L`QMavMҀ YQX%mpg3M`x J+oˊ-0_k?_n:1-# n*vjs/jxO[U :_R{C|S5IpV E[ tDxALZ22FAܹ§KPv,B FNVp?E}f$;L; K_\w۲sS>n:^W3DsMʲ/OB$Zt=|L"~Yrkl@BO p1R¾H0M ڨA+mħ荆qJPz8PJ@59" C QIT6yn.v#\φmmQj ^s/Ky#*"!6C |J&֘2%ӈeK%0y[x5ᙅK"!^b2Z2i˙˟ e)Eݯeqȥ5j,3]lVN2ƫ5bo11u)~gz~"r_I{( =sɃT{˼u~)9g%.XE)Lf |XI~R3/WI!=#)):J^.Zqܑ[@aGfiޏUYvNndE䧳LTTJ^qPY%'A8b㼩WM?1%V^.Q%{mpSC;#0$ƈWmTˑ5.ԡ7QU~R,\6R!:]A V @x=}fơLy#=pSW A&h>LQ,VY"u9[v)̣j2xf'a'Zy23#v} ݡs"l=m9(&%q*VT N%x[~&%~Sx%x X[^#ӹz̫S4dv:CGPy마NYНۀ.VVD`r }%z~ ahr1b ~GRSvJݵs2>t2q՗z9ˎ𣈬ll_(JzrӨ>!R2z03gY>Ъ]61.5Xeݩ(/ӈZΦK7q,Ctu3 hQn}2)eJTfp)Й+x#3_fMƷeU{%T;·B!$3bkhr{w+'94d]NAx=j S+* m9-`u8Ҿ%Er|D5 O̓){]0T8@<[F?5@r⯷]"-X!O \`b5Y6lZc`&rbanK?@FrE a[D6_M4 JLq3+yQy=">龡+'%G70j*eHs=X2Y]~ muYH}‹28^Sb8QT՟hL#x9Zxk~!¨|\6$p }%7tK' ̎YU3rzO6Jۙ3P ү@f YY޸] a2uC,hs ;,wcmcP}cNC A0[qK?(bYiy 8G8{xѴ+ߙ*@k6^N\cqEB0 ![4švKWvPR\b-WB}Eܶu<ǰO*O7ַ+fvؖ0 FkSb^ }n͋ףFN5dPNY(/-VT#oըfImn6Ʀd@B_ISў+:Ni]Z2^.`Kex?)J2uM%b yFXf%D g)k1!jwGO*usn7S2wI@ʢ1fs 2RJ6R 7)?Mbfzn'L"&E 1'z!R^FK!}Iӊ ]bZ@Jt$6^.v3+ PIJ)2FsYi+OUVMyDK_dǰˡq9Кa va-de`ģ|Z:=yo`Xw1緘δJqYr^4|t乱G,X)X,S \PGb_I`cv&H9%V `&6ʼ so꒩ 1CAo,))>,Ez-OA g0] aK֞GШ1yd[T6&؏q ,t`G_&s19Pg!'7 9 fwg3I.eDc>F)ΉLWY Y4xL &,m2weN!ĽgTh仪LqZMd&Xad\1243+q 0H)}QJE* Fk"G>m>ӓa!"{ѝ}i  pLXQ\< /o߿݈L 1 !y 6`dӻ2nX)^,ZU2F'2q}rTAaVUNжYje\=]fFYږ\/3$}.Yr.kCNh ;Z~k%-.;!Ny"}W&#y.s(=/wؘ>VO#jiЇ 6kTE ETu4,}AGXo/uܕ9+r8+ a!eM1$p0>"Pe F\g_5QQN;C [m3 ee_pg‡SZ|[?dfVl8-mJ{2G\־g'mSM;1M%ҹz' Omkn`/ӆ?D:ԡCyͺd -f/Qx_aZuJi.WlDR=/*EcnTL}!=WXoC|-v3u9k5"y&|X,\;8`<,GCkDܨ)v@XfEL-"\*s([߫}gC2E%:*3iPX9ݶf27ԗ6@4*c!ŘOɣa _s+8秆i<6|\(y_)a{,'78;[ O{\4.(BQ<!/oio.ml)2b!q d˿MbfT0j[he]hyD`/3w~I\^(&,ےÇ'C QLЩӿĻe<& `1/ PwQp=YY|ŝa1nZa~sh혠IkԻW YYu\J.uqa).A+sS)Z"7u.!ʤ y{Lyt˭}Z>k)2:21yu7K;83Ծrena4zz1s/G$̻Q#AX%te}"Ef51s3[T/j n6n*g5*+iNP.Q" ʳGf;Fgf6Z7*ӯM!y6d37K0JƠVvgkk kgK5\R]w2_s,}Ha5V(ԀYyS%_ MIB=XP,p'#l%QuSN}FTZ`A\p}s*TɆdٿYf<ޮekΆ$AϼQa)_R`~ܰ5gl0 0=_V(^@|Po3,s}HfWf}|Yf!~ l#"eHg蜲AkѦ98B2D+R et3p2IbSal˼04#7qljۼ@}%,m^rÔ5 ^&pkњFJ0@ -_/_#Gt=ߥ&*z&~Wa\תvj[3|g'̹,a73ƜC:u3b[q&P;3n٤~f4l#h0;eN$.\׭Ds_nI[L($S#jG1:e[[a :Mߍ9sKG1fJ"T/H?TJeB:lqIbgpWl>pd9VѿD 0FZ\8L_iOyuTՇٍ̽`c6#ӬxhT~s-Yؕq3n2J`M3*?b }#GeVyFof<.0˩YcÈ0[N"Id9뼭urK.˲[)A=Rs9Mq2#|ͿO7~ʂh1_mk#~o05 D6Q+_8h0TA8~!In߹+sWJt:mg}љ=xVfe{9N_Z0a!b2uO/CzMl+c*Xbά>@ĥ ÝJ+ҏ~p[s 5pY͉OɹQƊ 1fj|Ҍ bz<.;:Cp8<ǡQCmjqL ܱKG J/B+W2x3e uw5'ZY@;ObGAylz˸oG,_+MarV|E f\}e}B,tg>'򏥱{YC@;OCs&q(Yٹlʬ@]IONv2^j , ^tF%/JO-6F]JD!n5۔5̱ooS,_ghe;ןJN zX%t/֏T$+g/zCP5V xP/5wpVj㯩o512]-#\6u0BqWXegEom|EuS"J-Z&k/gLp2ZMYNs,F: r/w}6l[xunU6D62#]R-n+"bS۷SϠg៊4CJl_ Ŷ*=SV#|33"9pva7U&,-JjncG\5GflXruE 0[ \<^~YSe-qybX5/\?tI*o\X*efؿB[]#dOywNgR#Srňs%0?(, M3W_i|c]H;} PsSj$|ɣm+ y>ψSs(:z;j=G5yFTZ^ 0WxYL@PTIR3#oWaGy'b.\\cޅMS\0S1pŸ~?lLfX/?eMw ߂ozhu#g`z.,0ј NB 0f<0S~+@nj癖J'i+9en1:fjcё0Sƥ-L{Dys. vzJW̪Z2M2hG&68F,hseCGej]89V]X[2E~_> 2؜dr]B ۼx)܃Ŷ:ܲ ecĢi{\G<aIȕ/+q.q*N!O"V$1}Y7>VܚeGcuocBV0jwcmh,By16Uvv< 5BXLy)ĽVx' Fr0XwaN.20vgcQc4H>&ǙytKH/_2,]#-ݼ̉g)Ei71w4Gn)_ $J޻MGNf-SamڋE3NqU>鈀PƥF-i=EvVF9-U<7*~Ia-ku21O ڐs#Z5qc1B+9n1@=tӆqʩAyw,ZÍ`+os)"/%@ Jή%^L6/yA,iT&rSrwܥGgICבLOgfg&0E d4;Sg2@5fSAD:Wyn zX#y~U7f̸X1G\U{k7=$vCATDw7q1ü;1 T'RX0;S>^.' %pZ>aH:i*q?}=Q J.:J(OCܔf#I 0TKHY۩-e; ިL՗A7.We20tv:ٝ~g0*ߖZ1!LqiC.gb+70p`UjGh9G[ q:yr,d|Զ 㙞 ?=sq&Y=>O-n0JaADj~uMIk.vDsS&Еq閇0Ic^f)q^f9B\fu q 1+܉TvJ{&r`擴^U~s0Bf nTEEwԵ2;/~p:]~Rƻ"#:OKq^%s Tc{ʰ~띟SЇiv G9obvche\3;@-n=#_g̹Ri)}=ƍP_!uNn{[KW|JHXv1)fC]MGw ޠ]ǫ|1С\,xX]cu /9Q; v2qb^%Sat);3Me|Cr9*a`3^nwz.g̥qԮӡLG? LRcge8άܢVxR/y%<}Q==Z6c楛8L<@ k=c9 %)%Ǧ'3~ g>˧4coO9"s7ـvXwgt#ɡFJҳF0І2C9d¬wjAϏI2B.(+)Ybbnc+3G0X;ͣN"`]7ܞݝLЅ(>DžʶQ{NjS]S]B:4x%,U0:Ϣ>=KVF}陔X+ai3a7yvZ4 )ڃ[NDwO^~#ѣP2:Kc-k.Ȋ^k%2\˄szjLL1&qqʻ3dt;MADP+c{jh ^&Z^ +%{âh-bծe~#5[PFcB2-0%n2{LѼb,~aSqȫU6ī6ʋQϻO>'N% '1y}<¼L!bopsb\?hz4WzQb{ b'<]#kUQz9+-+Q! :1MOE\el_&wYMGImOV?812zƹ'ȷgg3LՓ` 5R"7틤.`NS%ʆ=9 wrzns9ۜ_[/iVcF-oXm0MR <>Dqǎ=Ftxϙ]5s^~gs4+7RmPV~jq (P+<1#0Q vD܎J`ZV{5I5h/9$sQ6(;kSdeivJQbssmi~c8Ks~==" L32cxr-LLgN`2Ѭ0)JDt}*d.Rs0q]%T-hJ tjLtOi nvo:6A/Z8Snڥ=xiޱ7,F 8gZICلmKY܍PܳWȈM!ꌚ/1q^;9h= SQ̒R,NW~T6޾ed1~]x: +]438=Ǡw cQTucqb2[zIk˰B.D37(wvy*3g/K9xeJ; zY{J[*.)^%~Ck8ZW%刱m3!0CX/LOĻ,>J}(J%Td~H}ѱCf/a'S vm GInw bs-ǟS!d۝RG>5Īnc!vaX xYUJu\o-;17K{x/ea}NJLf lN*4#| ]f_uwswĿ 3Vlpg΃!B4%,Of}7 Ny%ܓwR/ѯ^/5 jsң屪˞ۨ$+2f]RN/9~+PN*@sLĠ~Bʀʥ ݾƥYUoZ5,6TgUBW jU[۟H*Ú0 &.1p#ڠWAiB]~0}+db ]vEgh):͈I(`|?tcQXDLwgNɨzae>S718w h}Y3T W:?Ƭ{況}0lpao$t6C6}fW_9DIg^LgP S!h?skZ `{|5P{ m!g:"MLC= Y}q+SF22R(Ļōyo"&Ne|+-7a5 48ӿ_ގe GH˸+q`'Bgz6{~=XY 'tD=1OdN7AeTR'3^YdNDy&} z-S Д3{eG {"[.o;QxkT#fMf+g0|*KXās^Cܖ3~bm { ]=u8z)ܠh+1]]ݏGc(ؚ51@iLx0f\RseHɁ͞bX㈻"Z;$X(:89O;b/>}'髠> $-%TuY#MXbep pFpƝb")<^.eq ON\)}!3p {:VX Por=4Q؎=As X(^3<̪L,}ĵ% `勸<@z^2Ma(-lG׫X'BVu/XqT[IQ0&UNV#/f$kxzzkIe724yzo2Wa4@ vt c$hY9ε7%w% Aٞ`H8'()%u3.~4py;.Sxk՗fSobѤ̡ 萯 (gs˙YzC lp@daLYnk{f1vnK\YL:K) *K&,ρ~gmR/KdQ=WчCT\Ks238vp#Ib-c>P@a&h%Fos~"s"Am1L#,D𘾒`do&fqQA4I{ē$*@Uڍ8qK[-j z mtq+0flHg9pL )݄v`c>#<х}@p%ncџi"T1+u.+d^*P1n}y#SL9G_eu=݋1}aD>X6:[;YzOОIwl;AHxرQ-r ӇYi3Lt^20E3znsL0i[rvwNc}7\Tj|ٽ ǥ?2S!2ƙ]#fK^BO1,KJ}-W傰xJ1 秴/i 0Y-}3-(h-N_.W!ZU0UҎ(s,50u3(ryl k? ; {,AؤyW_>wij .k hNҜe8/ܞDvҷ/ C6 e1h/T2n!0_ޑj"*ܗ*-Tfx+`-7D.w*_Ϫߤ12ޥ9ͶOy 89yv &&q4b"wR%Lm_7U(2  2F̺AvT8ZT`)92ֶ̠w 7r].XPm79A3"~浘 }(<#['M X-̙U3Q^дP Sh9>m|])5JhTuIPY-& s49ΦLŲ yi/c%C}fZzz2_K=cu7Eyֽ1Ms;&,[UQl-o%T؆ ;J`'0pԾ:Jke{TJ;s`5(<] J ߈^wV%<{\ʧG \2|Jo%f(c~&r,W5Oiǘ`M Ûo%h !pA(`1 (CEch,_i5Lc8O*Q`M B 2BW(Uz$0&w˳` 8 k3EH\u1̫W FڎT蟑ƫ76Bf~4kq5ƿmX4jR`)rU&Kd5_hMlalLD&~pr$zj8g%z Me\eFFiӏFopz03]3ǥF %PJi/^s|"4Q.bb.1V1j1rCzЍ5g)}a'I1ݧ[L0 `T,};jf#; *uC*5`ORܑuҥ, 5X(s(1}Kg@QPSL/\Muxj%fbtnKჸktXQaW `)!_ 'e@%#6pfd,'w-"* uIpaMv*rf.9"eB5ǰu! _J+9^&FS̽4>/?J>Y|jjcY(pMosuj˴"<: }BzMO1ǯ2#؏} <z&Sy(VJ踄N%WWĪg!JMs9y#pplЕ¿4dǙm۴\Kc)xU@(F>C\xZjc2AcW-t3aќG.9EW 5 3bi2rܻTeeЗJXBU60"Kݱ`?/7>҈"1sZu{nb wipt{ʑ1Nc*Ѡ/rfE=b^950 ]Y* pq@}e${"QI4cw#~ص~7rfQeoDNefjԫ~!cN.fp_F%W9fs*gʢ@:Mn Ö9>!Zi_AwsQJ3̊Cz0Lquwc$ aԮ '%̹ ֮Q` XLjJ?;1)rzX_2^&&aRu#hwacΌD,%Ĭ-aB;-L Ś#E"d^gmeu"Ըe[M'0uVBb& (Oe|&ԮRW-~7%M,;8`:pJgH:8\ L5u Hu5ƒGJ+vk{RbQK{eCw@^(Ꙧ9D}e&ۇg9ɂ:!G0)f}.{C tq.4@0g zF0f;.C`Qn7:FRʲl ` ΄]Mb--2Hx"NyaUѬq3pwCi~!fsG63E{ť="[~AzNO5D 8*ݟ cKs=<Hi L_ڗ >`Z\ 90Q.C<AN8 4@rcw_lu,>{?M"򹒍x ͬJ2a3̵,Û,S"YmJQ+3SҽN`9ԋ1hz*i2fxf(&ebpT?V X>f/<]j1^#JFGBmn1`.U #k *?Pmx<gH7C ʷj26_#3D_KF8f#cҨ'hdI^TJb1 v&&Z͕ ip5;tPTXqslFi#9jg̨w&& d{N!sewk~_$ Ji#YrPUb;f"/Kc9i z5Z=<55ʢl @|,3*>铄,9L$! ϡkѿ]>5˛Hϣ~YjQ1T?uۊdڹ2^͗bc"S''dNMxA͹ _hP|qEcPlT jϰe!.-;yҭi ]r\Acۜ 5g&Suh>uc3}jvBb`.zi G702gP̪bY/=QLh0 d:KkY|3cI!\j+2,GXvc$!8^J:A^3:B5DrK<2=BPXJC8RрIoG'P eep]y _#9=C߬2F 6i J.g/Emr>:=(ff,tZ,C3ZoE)I@~4@fHĢOX8|DBɾrDe_X9 7! CC}>"TR@ Yߢ\KĪ7d73}bw>YFRS*(=sa}a8lje}XR`7M9/Ҩ_yd..k d֘ W^0,%J :_XY`C/A+Sp34#Bimeqś*醥0yk:53b* ǘ=Jv2GieR$\QS}c(ێ,`)ŸH<@nJV(.sA4u7٣B\oLs*THzWTR\3} Lښh|]hk,4*k>hNg EKzi~Ie@W@/Ó@`gcѴJL ~\lZmm[򩢧91;s;u(-re^]18"WA,oi%·lF+zv\T,J0I>JNJc9%WZ=22*ehZE=AUxQɿi}Y\E!$վT'DycmpVly3( FKt40bS<:* 535 ]~[:8=>2Lec^ԩY|76^)1u/ "WT*.UI% o3 rɛ9f~Rnl6̪-;N{6&-Q>%t59 =SD} =35aAy5*Bh+mX7q/.:S8 n[9oPw+טp)`]_3c7)'9әUܰWŌh!f&G"^L2ZhДMZD:y!:?4Z[{gK~9 v>O%7|K_XGYYLCO}X=e*!1AQaq 0@P?/TR ҿ}B.\ ./B.\r.\HAGqcYKH:8Z- ^ r˗/+.\peƢtr/~\aU@˗t(0Eȸ.C \(HL :?rѹr˗`˗\ yʉ 8?ĹqK?}<=1[3=P@:J333a!/_\r_K.__a6 uG=02/aHtFTRt*S:$r˗*ErTJ+ tW򨒥tN+RJRQb躃^eAX._*T}oYR W&[`UiQCfU|dNL#Ѓܹ}.\}_}/*J\qbqܸ *U[]ZS]@5T*TAper˃.?Q%tu ~@6&B1s_n\Yrˋ/(zBTI_en-q!c ҄_*T\/*TR}n\}n\Yrآ+miHrM%JTQ%u*.qt#lhtCۡab=0ƒK#$u\2չrοJ+/qa O)D8f՟~~%uRu.\} _CsGAp /u]rUꌾ K.\Zҥtj$a0^J`Dfaf#% ;ch[$]#|oM*!P%J/lJJ+e1_ٔʘrԯ}.\r\}*T+ + l|B涞 2#ԓ.5io_edͶYr˗JRq ˗._\QǢ e"G>BQ(*$p`˗.}C*;.\r\}jWa:nΠbi{x* +u/K -(,wF* ވLڮMsX[n\r.\rR'f/6XvkLJ< n㺪eOF A* M\a2X\uV+d4U!"`w2yFXZLPr .CGt%n;]*B `[ekIܴ(䟿撿rӹ0z;T0Q8HTAi,splXUo+L`Bj|ےpӎ^vAUTUr@ ݩxF- ҉6X`JVt*422tr˗_r J*_NB|gh6 fc ANs%$5& 2]FE\`awt$K.`=//]W{rXIPHͰ]/l h4גBlHƱ#߿ig~0)#Q^B}~/1~isX(ϘK? O)׼ǩœ| F":_*W0e9꧜ف!NsSUKB:0 !JoRv00B#< dSxKY/d`y Ц^‹c^/ e88)Ef!PӃ{0I9!npHW .,y贝0rǟ5r` P{ioPw8B4)ōj*k+LvS2riʆT =o3#Vf ;+ODA, B!n=Ņxq9MBϓ=cf%n7-o%[*ϙV Ru}@+E?\rѹUnTJDK1V9F$yQ! ՕbdaR8+V-)9KHHW>yuhw$%5˗._r.\W*\+}vEzd(l0(LZ>_T0A r|m,%Zd:Jk#s{|22%baizIf; R[*r9>0m5V򚔆C~f YuӮ 7 BhrԿ.\rɨof);`S# " X' 1.Xq ]S!qr#?SdHrX^ ̏:5QtuS&Gi/v/99IsXr?/B082Y_Әjg?Ws[O*j]460T/:=e4XX-yJIv쵨<̮r I<1K˿}wLx)P!osAոm;:QPJ)^׵6OD*& $NJ_E4^ ljRҹr$RPG"DzcUn W]JRU[J*7 q!k~JU7.ԫFv)ح@%괡_.;3yY7CՓ.J pS~KCβJݝ[ Bo_*TIRWST\z,<Ϳ;#i}=o+o"L*Y\ޞC-eeuIyW*j& cvsA-koG ZP&>.(14ODVwwwzV>+ @ ү?#P ZDHqV2ŔN!S-_C8xn$_w.\_wy`堨5SP=[]Uhߨ+%Iʺ!^d"-r׹R=Ve}t#TWM} Ǚj'kLPY1P1 #c{j0{B|l2s0e?Tf4ypwFoʵ 65D"_ '%. C@mcǍy~&mR{ 7J/H N_rr%J#/^zmm^4Lny%Q3''=8MAoklJFNפx-e˭+R[Ÿ.Uq 7.\"UmIP`̺֋UAZ&K8! |sr'ĻN**WG~0UxCoAMrR)Q 1ejleϭTZ\ L RԡV( %r7(򐥗FJk&ْ+l;nT "^6Al? QEB7i3NU z Jkk0ч㔙f}X=+E| =Cf⮾kC?5JӰnJM$q 77)RV9Db;g{3jø ^ M!{J&ST8b0|}n\KrkM ᙪg`N%fi)nX\Bh*~An?79^,雔? 2˵`f+ 5Pmu;[26aB[*z2,!MI2p9WBmc,tzWr˗/L[)+ZvsCڊٓ:EXJcjnݔCrw _L܌ؽH)ݧ=@;pU/%QvS98㜭q?wrSO8L]aY#;wѥKiK)c7)c@L"/[1JXP`h[y!EboeZqO{C#\_._/(4rRJ3ʸ"9b5De]l"I))?v2ª#bu+'E`⇵k{ݒ)ǿ`BW9\%V, ݕajk*O*WQ̹D׶:G{D|Lcx| |Z u;yϠQ)2❘V0Z%>' ¥={9 J^rl!,!߸2, JN-`!b`D[QYvcf`2`)q77gSjB6>!ݼk˗/r%]*k#rf7ӈ4$57,`B4#*e)G?,1̺"ިʇSk-tTݨX hEs%%==u<8c;y$Iڢ_O37`|& *u}HTj;?bielU<dHcC,sD$&651ah-`ERJjXh` 2_D}Zu> Ha# ʸƔ6?}ʘG$KKK< r,1 r^2 1â!:^qm̗zi~!ME{=OVHv2Y._}oQ2T66R^}H?~lEk9S }eƕ=O If¢0bXb7sv<.\zy"C5olLD\!6 Kr}o\r+øj&ʣbxZr66.0h#M`킣UNQ,9 7ZEZhri-,QU-_!b_r~LEN% Y8Vˢ\˗/w-eD dv>'iዀ6"C=/SP3Co?ք׾n6'{A*ntf.ܼfg[h4ݧ?n豎!}X4Z!)J7fdg3pc+}ށTN8M{d0n䲂csΧm>"[Sߊ.ϧw r˗._J7/tPiI_ ɦxc d5c0O5Jk$BVe!M[FwׄX1 bCzeӫ@څa pd瑗y.pT>Q9H˓u}ru/jW}.\˗/_[k r ÿc3d0EoUKh0֯f*|b:neоY ʚQMN#ZbJ||b#1!b#IYb8a&£0Uo!J^7zG+"+B1vP/Sʌ_JVRY~S+vy!TiBɸ|[2%Ɏ^ kJ;[C;pTX:ZWbam4ps}53c2g[xh0(bP+g>f~#j3m Y2BT1Wous<L4~Xu *~be˗/\"i&)㝻9_k'e3l-a8/ A._^,&wRHϘ+ z3b@LTz&^G{jig鸎ځM/o+3 ԳRrd4BM :nI++Њ+~(D,)\Gn<:e1w8~f7\2}La_bm5 U8#22OUM=хJ*A.U{\+-ێ5L?.L9mJ0TJw?WՍ]^UM^Xy{6(w," Ev ;QB|`X7 ֘|{JzW|2W.\r ev~ }?|:Vb<8}~*)q Rӽivj $2pTh @}e0w~=Ȥso!SyvCq~? ," v{':#&jr Q}3c6 6'j-MرSJR&tt<^RT>gץ -GDqKƭЪqUqy !pʏ"ݱk{Q5,?f~茗U]߃xbݯ!T U?uL7LI!n$ϯw/u@sɳFpb:(ٜ&v<-!Ji5]ahj|NpqG7īf-gzWXp.FX}TD嵍/\< lwA-R]ц7NX- i>%tB!rls%;.rRJ޵*_|U$WoJ])yM3cOi8BG &)t"J6K* ^pk$%+Px}Pp+ T&IQpς ئ$c+i v0Ơ.܌bW!Zq4y!YrC"b6VHJsv\?BG3v<6b ؀g!|0GXɹ&\  C?8drSl͓fGo$e)cZ5'ҩO M[RRw3ȳ+x7e8EsaqUeFEApJE$Ko }o$z*hsk|gs(J.f!E ὏ `,yC}J"ӤKxNA.=]мɦTӲv34=(+ T1k)L`XR* (+[_c3%UJ][%s+?ځ t(4MɬnMe=̻@a@Ƽt T's>F½ɞ?L.U}FE[%y8T NrDB QH @m$ +xȕZ3@f"3 &11T31&tX#ζ4d 5/C"i UKɖ/0P_{k _o,8y^1nx˲1f,u+VDt5߀)C@<:g`pBVicАѷ]ku._lwe[""mƛȝcpg[}(S`ԯn&N3ɃFgusf#0eqY 0 NnuƬ^Y9 P( lL@N Өy8M<8pJMn 036S4\9u-g CWkU˗._KЮ͙0mCE %ak+>M]1~bs,vCΎ dx=8LZ00ො^o |=تUDϴ^)7V\^Sұm (> bjŽ3 1k'#Y2'FNQP9P'?&zԩ_.=YkіU#s_H&L(szf3ty5`'Qs4$4ld|cU+w F1Qq3ev0KȌn y ZjF>X{ X5EuƠ/wHnͷK7%$U33U|f6cPaM{ƹn)7Vþ+/m`3N tݚs~ N`?*`rU'(Y.Ԥ1#،aYGm) X%,j*v~ێNQ{[W(!| Ǭ Co5W1Q3HsX<]AgT6?K*OOWm!23ow=NB/CR[%L_ aB˖K",Dl4oX}Ec{+NC_ <}#цH22ҊPB EW )X 1b X- XD p3v"adv%j ¹ca-Kޣl;Wg/ F/Y&Wj+8lßlq2N*YN0_7‚lՙ> ͋!&צ,[L R>Pq%I/P'ǤXc0I?셞*/aXA PŶ im>J4PdZŔpOP[,߄Y@+UeeIYbSukQ3`e#Cp4ªddcMU2VKa.Wc Ԧg]7Byxo>=h~6~|j#W%.15Uo_㾗/꿃SWt=_/10)tx ˥e?T ^~FE b ž'.lT<69հVDhoL4nk_-Id`66s^t+ )Z4i 5`[dޠ~Ț[jA1uNTSBhƫs1/&cSMiLpKxqV>+aRp!/?bA6ʬh [1gNDZg?_V5N4jpq;|E=WR F_'/g_1 Vo\Ꮏ&W7J '-UhTAC/"FemyBdMe®3p/Zb?Qn6a@$2Nl8#@9le#.!9pzPXIS +q*z4kjs?8.Rv0.Pa]438gI@8 mfh<4T$݈^/A(/mmyTXmeI{KfnԗUf%aܐ[-N*YK c'x녮gljbqw`wr *C[cpɗ7lӫy X0̉oR^U]2 k8[aOTk./ByBllNDǢ zr힇_ORkǘY,J;MQ*˗6S 4nɥbR0K];*y<b,WQ36 ]=t|v `ÃMxC Ac@J3{UԢStcU 9=gT9S 2I?C2]ciiBhFfnb[bml65rexLULY>8(j.l\1UZDsue ,MkEBƞU_%kbvqQ&j^,y82ZFh"-d N`0;lmr wREE0k`, b8:Z%ĻPklN;c+8e_[wc8ߗe;AsGvW඲_dG¿~12[ǨZudҥ}]+p؏@ 0j_cVgٙc:W}XF6W JSpߎ*[Tp*RKr܊%xnʐ,N3_b| D4 Xp C" \iż FypMd&Yj` q4t%*ʇp_`j9Xv-FQlee~ tlbCXZL)DҳErj-<8\N&9cx`51F\YcWGtn_5ÕL+JB;aB hdI|vJHgjbQDG9ya`pfzFԿt 5Zu,4Ŭ5z׹Ah!Bj)V4h$vn+%L2grI(Ҷcɗ& 9sPagI{@T)(xuZj'8 uݩ{@XBȮh9HX ^E k0,- `J?-R#1FU<{U'h4@ x@̢ͫ>(s {Q= Ѻ qIW`RgRPR эoe4GMQ«k:iݟ0A@!\mB/ٍEaEFy&]}7 fMxaBw/9_-ƗOy mf*gB'Nj#/rղ&e0`*#bz^K Ib}(ow rH y\RІfҲ0m KTFRx‡vfPw}60he Wn IJaE1Klp*6?K@ݷ4'Bt )DNOnvBrPxizI WEoq3_;edx旒3Yj^NVvޛ:Ra34鴅Ijͮ$M[WX{"7堂W;Ɓ`8X@+eBPbOk֪hKuhYWʦX[0X+u)\ؼ*˭AbRႋ78#~ H19r\jk_eheB[4LD9F(KYnuĽC燹Eu`m?ilpt_vT`L_ ewXAXq$ե>X*v=H ,HU5pXRW\]2SD#BXt)صr*3Gyc_/e]z^a_)A>)1MATi&*-ʋdٞ[< ׅѦ0 3^EIP21|\ Mבw2xܸm j~EcwKu8D \&<%.-2z4(F^ ^"ʽT@Rv!!m9~g;n-YQq+ U:ז&ZY#T;1KE3ZOoGیO,C~~;_^o4D'LJ%ƈ@C1EH_^C߃hN܁i}.b_P5DEKϙA8DYMiZ̪ruX@CIZzKds X.Ȳ1峼m1L-n YE(k+P\Ns` g5* whYfa}Rռ9,  o^m|,CTc4B*۫?@ qC^~+pbA1X[ "98z6w u ט[39:{wB<,_>ŦNx8}3F{oL}:φʳ)| .HA/*%)[Q^gWjZ(Ⳙd6^9dEٶx ?8Pq~nYH54n!7Z/,%O J:vZkl]=einRVJ%^V5I, f)I! [  Y.aC"cuF%+ڥUi4NDcsPG{9*YAv9p"` ~3)$L~tB֒kno0缩-Ear =t Ҹgh n g 2:*Urb#IG'r ,b_;JSP"#PET`5ⸯ)2,/cYc/L3h@P _r3z>5b]XXW֢ڣ`g#RF@Xp ԡanԘ!U@b--Ӧ̀A򈣹c0ѷ@p9WBAF!k)"Få۟rK.K$jŀvVJ#] n"3sD*̠74Ns) 蔭SWd$o <Կ vJn{1Er_Ob 2vCcp{V".yb_[`j0ૂ9fOӦ7h+ǔ{Lr dlu˵>l|&<1;Sa2`+54qBn|XmVë;QjsX @LSVDolJ5}a\=x͐x?.ގa.ʍ^fIR-E* gf`uD0B` ."Oz(K֭P#$雄R.+W>e7]-O-*PY)36\(\J:=(sr*"3p."rTw)6`F1r /Oirso=ATډ)wOhP_ aevPN`՛ٍXچÑ S^, i@j ;ucgDV ,3 Qp=Owq`,s$.42? G"vƍRryʖS]$DWQ0ȞA`Bn{z$Xza[Ь), L{q XE/3F2c ^'g_$շL(fjw nf)lD b#~e}U lgdm2W Eh\ybB[VD.KeoK(X ̝)/hb6Xskx_1Uu&4TbXUwtx&\Lr o9 jɄ"zk j2 4AAZr鵹!#'S08mM׉)ŵUǡ!)nO1-n\5(ܟTG>TZ\czTv 0@W1 @0mRvRtdJܼR@F2"54BA6(gLkBiNfRQݼ*0<,805 g>=2R/m/5Ev7;"79n 32 %5Щ3Qƻ ȿ "WյGU QSN-·.{ʞm.WjN'Ԍ,(ڰ`Q%,.@|B O[igOx,(cQs*8!A@!Z\"ɲd vvM(hM#$=Stϑ׷8cZvF#SOLِb!: U|P*VZb֡O+SK/cPx r {/"ٽc30a,KTBf{|Ӵ3Cee\[a0ivQ0PZl3\ҳFc Pg VJ.`Uyq=xu+46\h+ m{]xϰf@>#v㰖)^V.1I퀘 [XٖuZ)`&l{٪9kGA(Uut@]T+y_*\p=fZS*X~p܅m9m* u3oԷ+m!Ig7L_buRXj}Pϸ's7 b ObK#~b-(b\sLD, dҏtfR/;ui%^qb to!PggkXAScNC}ojHb1:fKF qN?.e? qPi|v" &bKq tf"0b]>#V.QpswMcz,@[~b~Q骸U&6 [!+/}azHe2f-K8q1N֪UNSe.,7pDh>z%w497a*Ulmh"sb k75{bP]Q'Ee5wO+uUDwfljE0[w!,чɘY+[؊A}/~]hj?eAgQ<35V' ;o/,lEe. Q6pY2 X 7*S;.+־ɚAՌO.YV\3^<#;(F奱O~Q򧐝vX׳*1v0# M)FhFfDfY~߷NGi'AKq 8Ɛl}V;B&񕯍"D(Ͳ|BEN އ/t$e[CvdCL MYmƎ.TWp =xүew@c%h̨UJ5@Ҧ)pneYJ0P-"aq`7oi,!bZ+q( y9Y̻q8R e8I46eY"[RsHhز4A…o^p^7ܢrg2ݟ\;.ị% l%B`QyG\F[[\% Ơ ^8DUzUl*D5'1EW y;p56b( :7v~(MmSVn`:VB+l"o-;̸ՋL:D, fw~rF#: ߴbΘ%&ILdJq \4m.qv*ٵcDW,3,ᭅFBh@f y7Vr1-qU@!yWn-ET%hY6S2ĭR(Kl.8n4 'l#ԸF.c>cVhj#( 9v>nS(ޮ+ L>B,6:Uj,LS^@fP֕ y,he*5dȇvQbr#SAu0Z{̿ĭLV(6/zeо%r8r4#-%Rsi̳<_/CY2 >ks28{K"\1l^Ɲ&b|i!X\H`j+,B >a* l׻.pJr@-¥Uo-SXR7[d3b5CXams2}43اDF2𜟨KwEƍ/Z1Nd2n'޻NTd|Mx)?fm][~ɗv% Hߒ Ar‡1iмX4X&ʓA~.Z.GI^v|BUɘ_4Kڲ,!A;( (`Sd+GuWtq rZSW5UCMRPXL1m8|@g8̡tlm,]ʪe.4M1}v2rITĭ9~PH߆qdhFܙ7M@yUanEE1lZZ0Pq@uK^W gWA1gx-S%n}Y" "3;'0h[Co-("@}b_mANvNo࿹_wCINvGL슕h?/v|~ S~?a-XҲ+?0TZFfN/E?r1Jⱏ*{ؽ1.U.0s*xw|ᘤ$~I&]C=K0]'ܴ 9}x2i4Xd<&Ƞ6)|d3c .&N{\UԶ6]V aшPA]&ͭZsSg򷃛2*M%^M&u 7bV@/rQMfDQÇV1q8"Emw+_{&$J+;@4gO̲ ˳߁>D/ &Z;GVV^m)|R5H&6=`~ѨnYdzR`M".Eb]R}EBoo`Z&Jx ߙfj5=E" | !Y3&p ι"$g;˪$D4,5M]HJ&X`6,FTE ]+CYV]7Y]a .lͱE 4#1b3 h],tby bpX%%su[f Qnh&Q|D \HoA;`4؇!7AnKa3guBpL(o}K'Wq F \PK$̬qIN},?07)-iܳq5 m2Y (#k|gXR'?#QBo Հ!m}@.˚Arr%-]Y<ȋz&L&{[ÿ2zLc : 3-:4/}iwPch#|Vh|ƹ5rGwmf:w2RL+QqnY4شuD Vv Wj1򺶧kAR+egb*ཏK÷7@4%1M]%T%VX@$l{fvsօ ^W9~V{%S$<"; #6_=΄w}RAbV*bGSR\c4;Lf%DqKswᘀKsMF;BGt뗣 2*qVfh6_lr+$GDwv_'<{)cy9qpV\Uj=ʙlRZA"Φs_;#Hbe&!%> Pԡ!4xҔ”_DTÚnT E]7W%"휆Tv.ͿE€8)e*]{FexĶedTƝFH[Lbv @tTC|Z\pJaAVjZ;cT*)n_!%ў26Θow&f,o `,Z8+ g S78n+$.L/"k}{ Jah*Q~q7|ef+ł1Ʉ2[$c,eAiZhU}$s,G/ TYj"AbweCB̓=ux]Cl&l|4ZrPX45ah  y5`=;9e 4A ئ`yk&XQc C5M0ԳA!o*!0e68GLb` –/(\U˥%b'f bVDI>*)|2C5q!/4=[LH6%i!abEVjU2D~X/UQz>Pܾs6*bes XF ኹJ>lb8鋯A:'"xS!MT%(WB {DAn7oy\GGZ!d}Bh %A*(QG{j:d n -,$f [Bqm)"Lh UP5X[. ~+ 3׮ oaߕhTL,E"c@U]h,נcKpro2t[&y3gzK}F^$mUj1}#wcU1˿1Ífo'VdzIH[tL)ipN9Z*dآiZeQxã'fgyO] jRq To(Xٖ`2)⩑1cx< ٘z0A H򙋖g*C_A,(7!@0@[0I&уTVtNnWN ٘,.'m_*un֠q-%j6f)R ^{K+UF6T/q>6QVeUq3-D%VW[weoUM7ž#f@UZ 5(/$ei+loqi Ւ֮i5J;a3VŸW*[ZUPH8&;$4%a|lq@&oD8@oo/.R.^,?WIBgeЗ< 򦒺NT=2c!ڲ@?XcK xaV]> Lb}SjI4q9LRan}(:Ȍdy1Q0)뙈c7yn*FQ[``mf5{ &hes3=j]RYwjR)4QT*WiVhSl9bʁXj! fkLJ0;wKnT,hyBk>heWK)7=<Wjp*9 eXj7r|aPzv5vq{tS<@*!E2P ^pA6QIGgYvHKxgf!nw+LDVdWzdw ֗=HK0W^ yYww P1߷UKGmoiYNe-=n9sEJxǖ`97'NG EU8ݙƕe C 1J-pDIh%Z x?'a97}O64@tLR|G&theԔ B("d&a.Hee.q~h [0>FV/x -mt@4Z)dEY[fc?2LSASM )6ALU#$sNPZx9qnŸ4#c 4@wt0_JؓU;18#[ SFVXcyNM;*)*̷KGvA "0Kҭ,J"xӏ(jaYŘ7+\ ɔLQa2ih ;TstTD丘 Gf@{Љ?r zVفQ9n_׆v)wڋXaS|۽],q|E0!:RS= Zd/89^+kb uDWl)v8 Af{4(Yyn̰䯍{ {Z6DkRQ@  C^&jD!6q~ _@zH|FZ ՗0Qq{I|"Pz-AC6L-D)4spq`b0^c Kv,(U|EAnp6xށ\.c ^#(1TeLO%bR >JS 0eAH6ʄiWQ4;eTw}xD7 3;'%s~Ҟhܫx};&2}יnnљP+, qe)O0C men6Zl çDRT2|nʎg~ s~`/QUa_{Nߘ3 ADD] 5w `N AV(Ķi5NۻBO'~mt1(\BPM7uF!md ,rlآ^WF'v52PZ܈~'0ZV6P3,K">6[?b/s;vr^QK ZU;xT^LKg,n4/Ҋ(I9 V wC֠*Zp #O5zn@[`)w*K5͙nBK0k9̍5ey.~>b zqZC|Oٖg[3h |3n|Jpnr>ʝ?+*7VPLMb[Qݍ2,e ^ 7:$Di-I:{ڢRS`ʭݞd?]U/ Y8G+}٪Ke ɮPGI"ɭ `4Ɇn8`wlH3% l=V]$0B#N_c/aDĠS4J3z`WeCEwTb9|o1E/bw"v=q7:i.CCheEŰ('sMr֮4"`d{ogԣj7b kR@b/u0(f&ں7ĺ3wQ4y%,4_I[MKS#' K;#;a(:ebJs~WCIxVa]O7o8 Id +/۰'`nMO1I\> 79{Nu7@IPttn,4qW@UZ" v@{>c)u|MȽWI [N"#V>"AKS!vfzK8Cؗɦ[xBRaa5ŹLs`˖!PÝQK'AwCݧs&j)[Y}ٖ2O1jA%:*eKP^}sƎ* + =Rh(}"!>l Zw>e#Er+,Os|^RF A/-=$g,ݡ~1l40Bd)m'Aߚ1J,.kL>E' c~o o0\d{_$טd'\N f@U@{$X 8{'5?hcn5чJ>e/D{6U;fW9XG}[!q13a@,6W3whdy!fQiw*XEx_XfM A`̢\Y,qzc,}{&vndv˫ۂTļbŃ._E˗J2~^b8e203E@EA@.Y'&_]i< qy|a8z#6HRŜc#4/xPJyy7`1t=UCkaϸZpfDpG?A2$h(A5v67 NUocEUy{m%Mȗg0^<%"Ҹķ0UhUe;ZqqF$n}s9J(tV(a9\;I 7p:1vkYFmf:+w)N٥v/V+Lʿ3ATo&>IH&f誶*\sY;k[Yг1"& `Y{pK|EWe;%V4Z*Tۇ1b/"pA AKja q͌.j9U1[BG8#,d- sZLpt`oiU> )&Y9!.,RwRYPXC"FXlxln9۩3Y< je,e+6"v]۸6V>p#q7M|Z& M'i4xѭExq1PѵʉQ6hN&OeӦA"hd0ea1 mҎZk %j=Wt RR? G"b*Km~hW1/e9|sNnOZy UQV8_ʃQ['y$1,A98`rUX~܍@A,AAsYVjߘ7.i\L˩+e"HBhQh*{֫{/Yj*SM!dQzc:0ˌ9`~^ 56e&HVaX*uor;M*, hYi̻*0^a#ܫDފN: 8!x+k Xc*8>S0{\ Zô6.XP. B`sCZ?(ca K0K 1:ZE[.1,^;&:x*2{%; robTohV+g>zCNbmeawU+K0b8|=g*d4=ĨTRG~bj*) oAi0\EK 6"Tþ"l 4- vN>LA*{%ADXPDwao0Y}r0GȏZfw?Mܰ.iw.( S& 9UPo.sٜKo/><$UFx%071>F6KHq Dz\pC厭w% .*%`x8nұ,݌tTBext.rE.1vS UdA z4\k*LA.h{?IGDt)4XnBlĺvg},UܼKn̽^tgLnxJ9^3l"$aȁ LM/h;ʦz+%l5 ۫( ӵ8 z[.1uW8^ZoKswXKLb/ q"D= xD\b^}VWYL+dV̦h /p/,BDwTzo{!՝o苓f#kf࠱>ABl](ɨ' CfjhYi5aB A/1q )E(o2?Ɗ`{>6"Vdlt֮*x:Q`6dіZĿDW3z]#`4q*O䕝:i@Pr4xw-^+\9yA̴Y9&܉t +U_XPhq J dœ[_:Lo|!գ)kO4/2z0?!wO8o [>(jbT7/GcdGEc Md75!v BF<1,!*"3LtJK%NzBu OYG1bH{Kpeo%o a ʼney06&Lp5 hP^cXU{?1qLeÊ#}0[͑XWT<#+%K\SH0_I$UMҷAt#5<߆t >J=%SG#A>Jt*#m/D0O ހ~п ,W_P#H`.%-ۿL _+%7/*dZgYA~N|,H+3ƩO7~na0aWZZӱ>.6w@ TVm }BGDx%)dV4&0 f,4Khulpb\ӱ 3*Q0iUO([FO;NIED BII0_r1%l%o1v"09.!pkj4XRXpѝ|+6prŘn] n^R# U<!#(8Hiem - [N`J.T҉S" ROhk %8 u >)geQx`.q,qZ"i/e0>UqNJ\x @+rհnahG7yB!(D(̳-X'4f9[6;YP̦t35<]*%[ɇ]@nOD6#Nҽ^0yE^oh0`e;&-@yd(tx)1p'`R^E-5{Ga[_-9TեxL+m8ipV\rXqxE.ձwNupܶ9ycu)فR9:ҨMވj1Yj*!u]$\-l /£y\1i撬=Ls>Qiw`fT0dШimiX&e8TUv"( Eȯ#cpN,z0n2ZwYZP*A oga`@ Q/i -@蝪FZDM©_0 :\ΦuM\ E6V8ք GB@l|ah+Ȱ*Q'lE^fop] sYsnarX" CR%8h 䔥neIp3F0?0 hyv!^fji4eNK[x8Gj f%af/?c/ZK mW?K9A]!fvq-{h4(Q @+ZG嗟v\*,fEl^&8q[LP"rlj4 XZ;B"US l>).&. \P{)pfx2>/¬r/xx/F%Q_L|?!Fc|U_ n](N|B#P86Y蛁#agAEA18A)QxJGr.0T3W*̣]땊)*W IV]w"]Y .VS.9yT(հe3[ķc wTQ!|Nڌ\ZKxE :'v"ۊkUE3F\ g'uk,Q{45JᎾp*4J7rCe./5.a–-OlNF#+Ǹ*Ih+4{ 1%zhS<˛--,[9=S1q12˷`Hsc0S\ U}Y>X.Q)(7+5)Jw3eRkAv`s[@8weg\@5 -L@ o /1pV{Vrhde &Z b{.uu(Ec 72ؖdHg&4S-Ūyfd܊hhrܸw !ouZюoU2;`ٕX+rJRZ=Մُh6\@vąMψ:C0qIP"X9 5~.YT#DS_4\ :|8"OEs; Z*ٰ(G6gBPKߐ|{FdP3JI^ OxfeMܮG@oQ?vnR (cH ؐXm@~@Ǡ¶!EL7=VPUwx `/~1ZsL+F^* (t$SDKXwQ!aPM zŗvpj%=!h8%2FfzEiYBzO &bt hUñ#\+*d/+?nPap!N@F.ɖ{ a(%Ǚ B\b&t}gii[lG&6h<D;~.LӔ|dQ,;X4^kQl̉@5sXv0\#c!(mjYJB<76ŵ1U|. ZKffx3HD9) Icc.#H1e) ֡ܬ$]|O!x3r6c.m&88Hܗ+Dj@о&{0EQJiT8E QM/&g[oFO.[(jX$w$ݰ9:XMҸ!n%U-A@ ƒ6@~ |1H06T^ҎKGh ʦx~ݡ(]Z-Vbfod0'ZWlsC*4)8ahP#I%D\m=4 +>VM'ZHUFKwy](BQk - .2ϔT axUvz.YWX9ʨsacnC@385)_#ꇡNB0]Aġ,=&40 `'qolø ~+ R-]Q*OG4)!⢓B`= JwSU}پ,Xbcn\Me7'VL)bōm!>,ߊ_TA99P)Uce\STF=KpA FB,Xk[.qfgҟqݸjj: >b2m& [;z,0a;b D?3xhX7bʗ%p4{;#._15߷.T;oQq"'kaP^HװE#]F]V=t[)l=%e 3qnz/4; Uh JtFĺS[fV*,XF3Z@Rk4!ayr?˨9.ha a Jހb7<_اH ,uQ2y ;֭C\wz!106,F{y!ώP7D*w+bzIrOܵqK}6dDLO %,Sz')a SK2+%Ĥ7 *%5AЇ k EP8hdR[8-5Ƃ#d:dإJ卛{:[s{O":(d+ R]d] %Up7(EGs]#dǁ%7B›Hdp/w_ kjnY N1򂶷xH׶0 ɿy.W^y px{>!֤mmzT.wuM©!r xw^ݒKUT.5V0Ʌ aq w%Fyfj 7mK Kt'3UL.5,ɿ~mbĜMͳNp=1+f5Chbw\LȆ%$RRM#..9R炇?E!Db(;ɛٹ+x~ѱ&f#׉IND40JD[|/ /N V5T>%4k&]YcnR\,2p+QcK2<nW,̡RȬI6ylu$ |DmfK)-МSeA_æi;?iq&Vjterxc]q,YP\K`'Ld"&l~N +9uCaRmލR&oFpTFW١Z`]۟$uen"e~MYu}@{PmB\:B5( SDgR..)soc`"fy)^P!P:f3%`^J1jwHQ@*a _snpl>eCT S+'{.V U(1PXl@2AZ-|9yiW #O %w3k6afjJ;cM0yJ>FlQAPVS-賠86ja@$Z7eKf:?!k * xB cs̽UJ%+d|M,@ 8{scmÈW-65 KufrԸ K"(!^y?FeW@`lf~zYSg[T3f7@nez]C.0@]r,vX*w2 fj+tUC1^x{Ǹb;OB qG,ޣDEzj-`&lwءy ?gAĴ Cp゠#l 7g1{XU0.m7;0U\.RβUU0 [[Fp\"9@QqAlLveL兘-a+X ~O$Kdǖ:n!WhL؈-֏ܻ/\qR͌ÌZ8}I-jƘ`eK07!% /UɚnT",o(p~P-г&.~cJ#"@&_, ̂°ަe FT 9L o2p 2P+d`hg{vo_1-~cO1TOw K,L栂ޕ&D@u.٬ƊU.}ȚV4dU[pJ|ҖU dX¨̧Yȷ-UhDvѳaR0Y%obQT^pGȈ-K(Jdv -` ûw+D^ NϕR!M_IWGRЂ{ M%jNkFR[;G3 PwZ +/aEu>E#dyVf xXov7$%)ڹG)0zj#AjY mxFū D.2#"vp/p6=s(ܮQ悆X`m7XJȇgq`Ӄmka ̶M)RB`[ &-%kTӪ10q6 0z+#+f#A|$o%C?؏TWLXx؎TY6|Ԫa0@HH0Td ZVeArQ|m"4 >me,5; +DB(lR[̯$ P )BCD\`Mwa97b(&3h[tԁeQx(\$b#Bs 095BEуnWS8)|D=tЕPKh]-MXP2f#Rp:V's0vx<&=uiو# mm  s7M16` KdV(`ef<^ҸL[\"]1ޠ|0<^UycG$9?bˈXrbjhx @RsWKޭ6ЃW,pWf|j KU;\Y^a! M(.Xc*86 er+U'F_<]=q\30C Ҍ9.,Bs 2R͌J4 ǵHÃFYPGÌ3^̗`z3n l I4m̃v7Ohdr5* E& 5`_Mie3%hɉp1Z(k@*E'^<+uɉ]pCL[Y%TlDUt ;V']kp0]& \D(:&iu瘿Hmy/%^& ei-V,))> Z?e[4!ݓb)" W{+eӕ5y2,w,W9zK/B{f­|6 F&p+z{P鵗Rl<3{z*Ux+qa|"ysBu@zYD,9^K5K}P-艔K>f躋y/#2Gdqn` ^ )Kaǔ) \WB-90 ys2[Lfc|H*̭@IK95!t'4L2EM!21 kj92 @L̕ͅv0ӄ11|UpQ79En`1,g'yx (K k!0ґ:ROҞ{Ѐ0md=jEdۮ1 B%j Utn]^cmԤL5,‹cl5Z muzZ wK7uX 1mBO+k0q6L7V` sNa=HC:a4BÁCݿeͿ)y-4F@ H9Y,ړ!|  ,ض\j`(Ja}NNQ t,@q]EBPF.ES-ҡFF4{1-GSIjfuQz|3#3j.Fc8z1hGst옩(.UU 3xc v%,&UxC +B6=ܾOd802›KnnAo}XgF͢cϽ/N?1R>-+u^ ȍxUnC`UQvCw;_pT-0|~ 85[r>V7Jm{>(Ÿ%DSfŨ~ Dq$@ ˂pG8eU&6 xcbC6Y%%%0p!mh+G@a-P2-=ڵ+Mvek,H!*gy3ʀ2r% 3^B6(wP= 4)G4TZEH3V<[A@#!@>)vxa'/cmJ(Pa8^c7}" ʯ+9[/P\@@#PV]QmObC)`ܡ'}PŏiQ'6;h4kY%̳1"![18eq`áYi.D>yFg.Z?aIu`}B_yeVA 7UKA9ؠΎuN.a! *iAM-*F LiĬvܵ~vm>NH`KeSFY3B*cN2F#sw˖䬹AeYZ R\KX{׬v$.k ʿ3Ef֦'W=0T_Kck^n-ZB0\RJ ReA%u5P ɫ ߃ kɹ_l m p,edgS{m{s ,hzki͡y-7͑ m+=)xSp{gG`XJcU9fhbL@4. ng\fgţl~&,&6E-n,&B LejQ Fy4TZ6_RR`t^5 4i棣}9鰘"O,f?LYA˜y]) ]+0gQBI FqU/]ыx0zL)%P3Ig̼.) 12W%\j~JٚK mZal٧a @jWC/71 L+eU,<L5dR,69ơ+Zn? rȌ.+)2CAR#;25< @;=1O67:Y"~5I%]8UċBk0ǥv&Wj8PXJ,68HY;U~SGJ~dꩤyEL֒T/yd ŰǴh18\Rf$Ӝ~V 4l֌*6é<}"u(c xavf ۹:%% %؏sf1#1!oZ_8\`T֮Xg&lC`ULP9MLFt}lk\@+Mʈ1x(K3b-&Ҕj6@`!QV.Xl4>Ax啇6URLD6r7KkԲM/u TDA/k6@Q5QY a*6Xg +nԠ">pK3Q.8qMl.*/G0O`jyߋF[W.<\Tqh8MHY#7]ŀi4"a;qG Nw;%F6FXSWuf1_ht+X9IzJNjS`H+meyb7 1^I_ Zns/ ;-2 Jlo.30.w=_5R(Wph袹L:/1_k6h-# &4@s?PF0R(s'"8NLq5TSHMʱV ᴄ Zv%8jxQ*E,(9EjhةH m7x'.L@lpZ`\Qa,Y,65k6g^ˤe`K>'.Vrfq LJ М6isV*}0Q;Eo)W̒jзm wJ-0%w?A tj7S$q^if.LF  Ma!0ۺOИtèXZ$)g v}m? *>e\Ee>3V>PU߂)v0]ַ0#L9WٌTBq[m_|{㢚Jȵ T[e 8VܬjR^ TF4 hdlcdp b[j^^%L7pzfQ>udAc~tPc3TA¯n{Q2q~ 9VK:T@aL/pL0,L:eo!* Jh.jR󽌤n@>%%%TA.23<Ŏ Vn?fHm1dSLüe^Ⱥ+p2(cظ4myaaZh^:CI䀛unr4$6֌;FXuBzc?3FǵyHr=6?*=Vd'## =1 JeB[oJ(Pji&ܥ[dFTyDP!:S:[Hp@t!?drߕJnʌÍ1=Qh'Q>VXj":ˇTXd@HfX Q7+!~:'J1Fd̞` )hӥ%* )fO  ,%j\-~Fzad3/KYEky'.˦4%\/.<U*4)enlX..>hip&Y@ɔ+TUƌqTńܭm xauyn8ͽ՚fƽRiO7cN <N\O*R\W剪6S^;p+G33FEb{YXU|ehG<" v(T¥1J]!w"81FjUN#-;́?U 2Ytw&#)` $I.@4\JhʔpVXN&Ռ!~ C MC}+
NG4R3P
Linux 4gvps.4gvps.com 3.10.0-1127.18.2.vz7.163.46 #1 SMP Fri Nov 20 21:47:55 MSK 2020 x86_64
  SOFT : Apache PHP : 7.4.33
/proc/self/root/usr/share/mysql-test/r/
38.135.39.45

 
[ NAME ] [ SIZE ] [ PERM ] [ DATE ] [ ACT ]
+FILE +DIR
  1st.result 0.472 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  alias.result 13.417 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  almost_full.result 1.112 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  alter_table-big.result 3.119 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  alter_table.result 108.406 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  analyze.result 2.207 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ansi.result 1.144 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive-big.result 0.602 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive.result 525.381 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_bitfield.result 4.261 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_debug.result 0.347 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_gis.result 23.132 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_no_symlink.result 0.861 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_plugin.result 0.53 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  archive_symlink.result 2.068 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  audit_plugin.result 0.727 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  auth_rpl.result 1.846 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  auto_increment.result 11.723 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  backup.result 4.293 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bench_count_distinct.result 0.451 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  big_test.require 0.017 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bigint.result 20.723 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  binary.result 5.674 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  binary_to_hex.result 5.87 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  binlog_tx_isolation.result 1.707 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  blackhole.result 0.599 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  blackhole_plugin.result 0.558 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bool.result 2.56 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bootstrap.result 0.261 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug12427262.result 1.864 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug12969156.result 0.93 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug17076131.result 0.314 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug33509.result 2.306 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug39022.result 1.199 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug46080.result 0.653 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug46261.result 0.373 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug46760.result 1.259 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug47671.result 0.28 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bug58669.result 0.469 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  bulk_replace.result 0.274 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  cache_innodb.result 5.419 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  case.result 10.062 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  case_insensitive_file_system.require 0.045 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  case_sensitive_file_system.require 0.046 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  cast.result 15.755 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  change_user.result 3.31 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  check.result 1.423 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  check_auto_permission.result 0.245 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  check_var_limit.require 0.008 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  client_xml.result 2.376 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  comment_column.result 140.568 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  comment_column2.result 355.679 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  comment_index.result 173.026 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  comment_table.result 28.718 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  comments.result 2.337 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  commit.result 13.321 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  commit_1innodb.result 19.194 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  compare.result 3.17 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  compress.result 56.502 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  concurrent_innodb_safelog.result 31.888 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  concurrent_innodb_unsafelog.result 31.614 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  connect.result 12.747 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  connect_debug.result 1.481 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  consistent_snapshot.result 1.144 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  constraints.result 2.551 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  count_distinct.result 7.89 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  count_distinct2.result 2.215 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  count_distinct3.result 0.271 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  create-big.result 7.604 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  create.result 147.088 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  create_not_windows.result 0.938 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  create_select_tmp.result 0.826 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  csv.result 58.878 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  csv_alter_table.result 1.168 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  csv_not_null.result 1.752 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ascii.result 2.107 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_big5.result 33.848 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_binary.result 82.341 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_collate.result 13.504 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_cp1250_ch.result 21.882 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_cp1251.result 96.091 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_cp932.result 0.973 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_cp932_binlog_row.result 0.593 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_cp932_binlog_stm.result 251.22 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_create.result 3.12 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_errors.result 1.662 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_eucjpms.result 400.215 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_euckr.result 434.587 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_filename.result 0.316 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_filesystem.result 0.333 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_gb2312.result 33.291 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_gbk.result 49.631 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_gbk_binlog.result 0.632 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_hebrew.result 0.248 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_latin1.result 118.674 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_latin1_de.result 15.738 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_latin2.result 13.319 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_latin2_ch.result 25.112 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ldml.result 28.05 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_like_range.result 80.895 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_many.result 42.672 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_mb.result 2.127 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_recoding.result 9.598 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_sjis.result 195.68 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_tis620.result 100.449 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_uca.result 154.97 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ucs.result 142.403 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ucs2_def.result 1.055 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ujis.result 364.904 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_ujis_ucs2.result 548.586 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf16.result 44.957 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf16_def.result 0.267 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf16_uca.result 72.284 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf16le.result 50.536 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf32.result 48.046 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf32_uca.result 75.105 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8.result 167.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8mb4.result 80.382 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8mb4_heap.result 72.209 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8mb4_innodb.result 74.624 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8mb4_myisam.result 74.628 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ctype_utf8mb4_uca.result 38.815 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  date_formats.result 24.959 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ddl_i18n_koi8r.result 113.334 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ddl_i18n_utf8.result 116.354 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  deadlock_innodb.result 2.354 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  debug_sync.result 11.854 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  debug_sync2.result 0.424 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  default.result 8.018 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  delayed.result 17.703 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  delete.result 15.996 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  deprecated_features.result 2.029 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  derived.result 78.604 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  dirty_close.result 0.337 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  disabled_replication.result 3.008 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  disconnect_on_expired_password_default.result 1.399 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  disconnect_on_expired_password_off.result 1.359 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  distinct.result 30.849 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  drop-no_root.result 0.443 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  drop.result 5.734 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  drop_debug.result 0.474 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ds_mrr-big.result 2.145 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  dynamic_tracing.result 0.794 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  empty_table.result 0.224 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  enable_cleartext_plugin.result 1.349 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  endspace.result 6.612 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  eq_range_idx_stat.result 4.024 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  error_simulation.result 3.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  errors.result 5.929 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_1.result 22.185 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_2.result 17.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_bugs.result 37.353 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_embedded.result 0.084 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_grant.result 10.332 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_logs_tests.result 2.369 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_microsec.result 0.791 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_restart.result 4.148 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_scheduling.result 3.111 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_stress.result 2.387 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_time_zone.result 5.401 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_trans.result 3.494 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  events_trans_notembedded.result 1.372 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  execution_constants.result 1.046 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  explain.result 28.334 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  explain_json_all.result 63.132 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  explain_json_none.result 64.698 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  file_contents.result 0.177 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  filesort_debug.result 2.793 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fix_priv_tables.result 1.303 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush.result 13.751 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush2.result 0.861 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush_block_commit.result 1.47 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush_block_commit_notembedded.result 0.752 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush_read_lock.result 72.072 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush_read_lock_kill.result 1.121 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  flush_table.result 11.224 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  foreign_key.result 3.335 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext.result 28.717 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext2.result 7.545 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext3.result 0.527 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_cache.result 2.674 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_distinct.result 1.248 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_left_join.result 4.002 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_multi.result 0.748 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_order_by.result 5.829 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_plugin.result 0.224 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_update.result 0.908 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  fulltext_var.result 1.3 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes.result 12.779 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes_cfb1.result 4.504 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes_cfb128.result 4.566 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes_cfb8.result 4.504 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes_misc.result 8.281 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_aes_ofb.result 4.473 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_analyse.result 19.011 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_compress.result 4.84 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_concat.result 4.029 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_crypt.result 4.374 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_date_add.result 3.623 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_default.result 1.193 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_des_encrypt.result 0.994 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_digest.result 121.479 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_encrypt.result 10.325 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_encrypt_nossl.result 4.213 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_encrypt_ucs2.result 0.747 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_equal.result 1.269 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_gconcat.result 48.525 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_group.result 54.636 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_group_innodb.result 5.119 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_group_innodb_16k.result 0.531 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_if.result 6.051 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_all.result 27.624 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_icp.result 27.263 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_icp_mrr.result 27.567 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_mrr.result 27.286 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_mrr_cost.result 27.006 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_in_none.result 26.958 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_isnull.result 0.808 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_like.result 4.451 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_math.result 28.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_misc.result 28.198 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_op.result 1.933 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_regexp.result 4.367 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_rollback.result 12.444 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_sapdb.result 12.376 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_set.result 8.508 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_str.result 157.745 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_str_debug.result 0.341 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_str_no_ps.result 1.065 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_system.result 2.626 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_test.result 13.442 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_time.result 67.367 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_timestamp.result 0.506 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  func_weight_string.result 3.438 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  function_defaults.result 109.227 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  function_defaults_notembedded.result 6.385 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gcc296.result 0.516 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  get_diagnostics.result 24.962 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gis-debug.result 16.127 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gis-precise.result 28.338 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gis-rt-precise.result 1.863 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gis-rtree.result 78.355 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  gis.result 58.529 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant.result 95.951 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant2.result 31.124 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant3.result 7.147 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant4.result 8.854 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant_cache.result 5.615 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant_explain_non_select.result 9.504 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  grant_lowercase_fs.result 0.544 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  greedy_optimizer.result 592.802 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  greedy_search.result 12.423 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  group_by.result 84.602 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  group_min_max.result 115.333 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  group_min_max_innodb.result 17.521 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  handler_innodb.result 40.725 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  handler_myisam.result 44.62 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  handler_read_last.result 1.151 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_big5.require 0.077 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_binlog_format_mixed.require 0.039 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_binlog_format_row.require 0.037 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_binlog_format_statement.require 0.043 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_binlog_rows_query.require 0.052 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_compress.require 0.037 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_cp1250_ch.require 0.077 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_cp1251.require 0.082 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_cp866.require 0.08 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_cp932.require 0.081 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_crypt.require 0.034 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_debug.require 0.008 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_debug_sync.require 0.013 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_eucjpms.require 0.085 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_euckr.require 0.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_gb2312.require 0.082 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_gbk.require 0.076 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_geometry.require 0.037 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_koi8r.require 0.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_latin2_ch.require 0.076 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_local_infile.require 0.035 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_log_bin.require 0.03 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_met_timezone.require 0.042 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_moscow_leap_timezone.require 0.045 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_mysql_upgrade.result 0.021 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ndb_extra.require 0.014 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ndbapi_examples.require 0.019 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_nodebug.require 0.008 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_optimizer_switch.require 0.019 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_outfile.require 0.054 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_partition.require 0.041 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_perror.require 0.014 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_profiling.require 0.038 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_query_cache.require 0.04 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_sjis.require 0.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ssl.require 0.032 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ssl_is_yes_or_disabled_only.require 0.042 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_symlink.require 0.036 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_tis620.require 0.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ucs2.require 0.078 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_ujis.require 0.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_utf16.require 0.08 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_utf32.require 0.08 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_utf8.require 0.078 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  have_utf8mb4.require 0.084 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  having.result 19.716 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  heap.result 20.864 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  heap_auto_increment.result 0.873 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  heap_btree.result 9.322 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  heap_hash.result 14.374 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  help.result 6.465 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  host_cache_size_functionality.result 3.319 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  implicit_char_to_num_conversion.result 6.438 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  implicit_commit.result 17.715 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  import_schema_mismatch.result 0.525 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_delete.result 25.876 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_innodb.result 61.635 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_insert-and-replace.result 12.55 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_intersect_dml.result 4.958 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_myisam.result 73.481 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  index_merge_update.result 16.413 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema-big.result 2.81 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema.result 87.982 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_chmod.result 0.178 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_db.result 9.294 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_inno.result 4.331 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_parameters.result 22.11 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_part.result 9.715 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  information_schema_routines.result 28.636 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  init_connect.result 2.526 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  init_file.result 0.315 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_explain_json_non_select_all.result 220.923 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_explain_json_non_select_none.result 225.147 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_explain_non_select_all.result 119.149 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_explain_non_select_none.result 119.029 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_icp.result 26.728 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_icp_all.result 26.791 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_icp_none.result 26.632 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_ignore_builtin.result 0.346 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_log_file_size_functionality.result 2.791 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr.result 20.302 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_all.result 20.467 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_cost.result 20.269 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_cost_all.result 20.434 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_cost_icp.result 20.377 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_icp.result 20.41 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mrr_none.result 20.221 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mysql_lock.result 5.516 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mysql_lock2.result 21.268 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_mysql_sync.result 17.646 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_pk_extension_off.result 14.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_pk_extension_on.result 14.33 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  innodb_recovery_with_upper_case_names.result 1.211 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  insert.result 26.414 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  insert_debug.result 1.294 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  insert_notembedded.result 5.718 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  insert_select.result 14.044 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  insert_update.result 9.641 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ipv4_as_ipv6.result 21.693 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ipv6.result 12.488 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  is_debug_build.require 0.031 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  is_embedded.require 0.016 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  isam.result 15.653 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join.result 46.837 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_cache_bka.result 88.084 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_cache_bka_nixbnl.result 87.375 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_cache_bkaunique.result 88.538 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_cache_bnl.result 86.259 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_cache_nojb.result 85.375 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_crash.result 4.587 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_nested.result 62.759 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_nested_bka.result 66.917 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_nested_bka_nixbnl.result 63.953 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_optimizer.result 2.536 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_outer.result 63.986 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_outer_bka.result 64.278 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_outer_bka_nixbnl.result 62.568 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  join_outer_innodb.result 1.855 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  key.result 20.978 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  key_cache.result 10.908 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  key_diff.result 0.833 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  key_primary.result 0.65 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  keywords.result 6.63 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  kill.result 8.369 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  kill_debug.result 1.56 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  limit.result 4.118 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  loaddata.result 16.914 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  loaddata_autocom_innodb.result 0.622 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  loadxml.result 2.71 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  locale.result 5.588 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock.result 15.03 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock_multi.result 11.526 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock_multi_bug38499.result 0.675 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock_multi_bug38691.result 0.526 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock_sync.result 31.173 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lock_tables_lost_commit.result 0.146 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_empty_name.result 0.241 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_errchk.result 0.648 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_state.result 9.656 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_state_bug33693.result 0.108 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_tables-big.result 0.973 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_tables.result 40.972 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_tables_debug.result 0.818 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  log_tables_upgrade.result 2.479 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  long_tmpdir.result 0.097 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase0.require 0.044 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase1.require 0.044 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase2.require 0.044 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_fs_off.result 2.052 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_fs_on.result 0.073 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_mixed_tmpdir.result 0.172 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_mixed_tmpdir_innodb.result 0.186 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_table.result 2.67 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_table2.result 8.656 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_table4.result 3.676 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_table_grant.result 1.499 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_table_qcache.result 0.634 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_utf8.result 0.169 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  lowercase_view.result 10.225 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mdl_sync.result 89.854 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  merge-big.result 0.711 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  merge.result 97.604 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  merge_innodb.result 1.313 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  merge_mmap.result 3.333 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  metadata.result 13.883 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mix2_myisam.result 57.756 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mix2_myisam_ucs2.result 15.312 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_plugin_load.result 0.339 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_plugin_load_add.result 0.444 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_plugin_load_add2.result 0.444 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_statement.result 0.55 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_update.result 23.214 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_update2.result 0.992 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_update_innodb.result 2.562 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  multi_update_tiny_hash.result 1.501 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam-blob.result 1.253 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam-system.result 0.382 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam.result 90.776 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_crash_before_flush_keys.result 1.152 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_debug.result 1.207 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_explain_json_non_select_all.result 217.296 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_explain_json_non_select_none.result 221.321 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_explain_non_select_all.result 116.257 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_explain_non_select_none.result 115.977 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_icp.result 26.567 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_icp_all.result 26.631 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_icp_none.result 26.452 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr.result 19.243 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_all.result 19.44 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_cost.result 19.188 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_cost_all.result 19.386 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_cost_icp.result 19.329 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_icp.result 19.384 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_mrr_none.result 19.141 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_recover.result 4.57 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisam_row_rpl.result 2.041 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  myisampack.result 7.556 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql-bug41486.result 0.454 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql-bug45236.result 0.321 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql.result 8.67 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_binary_mode.result 1.521 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_client_test.result 8.917 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_client_test_embedded.result 0.108 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_client_test_qcache.result 0.49 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_comments.result 5.019 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_config_editor.result 6.601 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_cp932.result 0.036 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_embedded.result 0.167 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_embedded_client_test.result 0.149 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_locale_posix.result 0.95 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_not_windows.result 0.078 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_plugin.result 3.883 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_protocols.result 0.203 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_upgrade.result 26.823 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysql_upgrade_ssl.result 1.993 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqladmin.result 0.852 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqladmin_shutdown.result 0.153 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog.result 30.171 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog_debug.result 0.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog_mixed_or_statment.result 0.835 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog_raw_mode.result 8.316 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog_raw_mode_win.result 8.081 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlbinlog_row_big.result 2.422 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlcheck.result 15.196 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqld--defaults-file.result 0.693 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqld--help-notwin.result 53.914 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqld--help-win.result 54.473 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqldump-compat.result 0.108 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqldump-max.result 10.951 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqldump-no-binlog.result 0.049 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqldump.result 280.612 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqldump_restore.result 3.78 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlhotcopy_archive.result 1.801 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlhotcopy_myisam.result 2.275 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlimport.result 0.479 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlshow.result 7.563 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqlslap.result 6.877 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  mysqltest.result 31.152 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  named_pipe.result 56.246 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ndb_default_cluster.require 0.05 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  negation_elimination.result 8.725 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  no-threads.result 0.321 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  no_binlog.result 0.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_embedded.require 0.016 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_embedded_server.result 5.633 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_ndb.require 0.038 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_openssl.require 0.035 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_partition.result 4.138 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_ssl.require 0.031 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_true.require 0.01 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_valgrind.require 0.017 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  not_windows.require 0.007 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  null.result 14.482 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  null_key_all.result 15.598 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  null_key_icp.result 15.534 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  null_key_none.result 15.474 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  odbc.result 0.932 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  olap.result 19.126 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  one_thread_per_connection.require 0.043 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  openssl.require 0.036 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  openssl_1.result 8.042 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  optimizer_bug12837084.result 13.971 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  optimizer_debug_sync.result 1.322 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  optimizer_switch.result 19.938 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  order_by_all.result 61.425 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  order_by_icp_mrr.result 61.368 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  order_by_none.result 61.149 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  order_by_sortkey.result 2.911 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  order_fill_sortbuf.result 0.256 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  outfile.result 2.087 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  outfile_loaddata.result 10.118 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  overflow.result 0.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  packet.result 4.997 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  parser.result 38.22 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  parser_bug21114_innodb.result 25.39 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  parser_not_embedded.result 4.42 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  parser_precedence.result 23.96 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  parser_stack.result 9.537 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition.result 76.634 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_archive.result 4.513 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_binlog.result 2.297 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_binlog_stmt.result 0.432 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_blackhole.result 0.17 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_bug18198.result 8.068 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_cache.result 5.162 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_charset.result 0.424 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_column.result 23.065 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_column_prune.result 2.832 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_csv.result 1.831 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_datatype.result 39.34 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_debug_sync.result 3.193 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_disabled.result 4.594 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_error.result 82.17 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_exchange.result 37.599 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_explicit_prune.result 55.627 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_federated.result 0.265 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_grant.result 1.544 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_hash.result 7.118 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_index_innodb.result 4.04 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_index_myisam.result 3.213 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_innodb.result 30.662 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_innodb_plugin.result 5.256 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_innodb_semi_consistent.result 2.92 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_innodb_stmt.result 1.121 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_innodb_tablespace.result 12.756 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_key_cache.result 16.737 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_list.result 12.922 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_locking.result 238.128 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_locking_4.result 1.699 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_mgm.result 4.698 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_mgm_err.result 7.479 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_mgm_err2.result 0.042 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_myisam.result 7.67 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_not_blackhole.result 0.445 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_not_windows.result 3.474 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_open_files_limit.result 1.017 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_order.result 16.287 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_pruning.result 166.975 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_range.result 33.909 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_rename_longfilename.result 2.894 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_symlink.result 4.893 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_sync.result 1.336 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_truncate.result 0.733 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_utf8.result 2.004 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  partition_windows.result 1.177 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  perror-win.result 0.442 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  perror.result 0.46 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin.result 7.728 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth.result 23.392 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_qa.result 20.77 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_qa_1.result 13.739 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_qa_2.result 8.869 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_qa_3.result 1.138 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_sha256.result 3.975 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_sha256_2.result 1.485 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_sha256_server_default.result 2.695 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_sha256_server_default_tls.result 2.831 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_auth_sha256_tls.result 1.817 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_load.result 0.074 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_load_option.result 0.313 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  plugin_not_embedded.result 0.463 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  preload.result 3.844 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  profiling.result 16.135 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps.result 116.728 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_10nestset.result 2.084 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_11bugs.result 5.916 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_1general.result 35.914 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_2myisam.result 103.819 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_3innodb.result 103.361 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_4heap.result 103.276 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_5merge.result 202.341 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_ddl.result 53.68 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_ddl1.result 11.058 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_grant.result 3.714 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ps_not_windows.result 0.504 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  python_with_json.require 0.026 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache.result 75.565 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_28249.result 2.294 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_debug.result 8.63 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_disabled.result 0.624 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_merge.result 32.412 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_notembedded.result 6.61 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_ps_no_prot.result 11.096 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_ps_ps_prot.result 11.095 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_size_functionality.result 6.641 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_type_functionality.result 6.795 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  query_cache_with_views.result 4.955 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_all.result 81.481 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_icp.result 81.075 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_icp_mrr.result 81.425 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_mrr.result 80.976 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_mrr_cost.result 80.673 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  range_none.result 80.625 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  read_many_rows_innodb.result 2.829 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  read_only.result 6.3 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  read_only_innodb.result 4.762 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rename.result 1.579 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  renamedb.result 0.859 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  repair.result 7.022 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  replace.result 1.095 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rewrite_general_log.result 8.334 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rewrite_slow_log.result 2.919 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rollback.result 0.568 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  round.result 6.736 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  row.result 15.908 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rowid_order_innodb.result 3.324 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rpl_colSize.result 4.388 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rpl_extraColmaster_innodb.result 23.846 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rpl_extraColmaster_myisam.result 23.846 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  rpl_mysqldump_slave.result 0.847 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  schema.result 2.371 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  secure_file_priv_win.result 1.434 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_all.result 150.092 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_all_bka.result 150.856 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_all_bka_nixbnl.result 150.114 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_found.result 6.168 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_icp_mrr.result 150.035 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_icp_mrr_bka.result 150.8 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_icp_mrr_bka_nixbnl.result 150.058 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_none.result 149.372 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_none_bka.result 149.465 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_none_bka_nixbnl.result 148.656 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  select_safe.result 3.923 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  server_id.require 0.031 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  server_id1.require 0.033 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  server_uuid.result 0.737 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  server_uuid_embedded.result 0.317 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  shm.result 56.744 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  show_check.result 71.325 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  show_processlist.result 1.84 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  show_processlist_state.result 0.143 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  show_profile.result 0.479 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal.result 63.087 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal_code.result 0.996 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal_demo1.result 6.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal_demo2.result 3.855 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal_demo3.result 3.326 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  signal_sqlmode.result 2.506 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  single_delete_update.result 24.411 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  skip_grants.result 2.473 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  skip_log_bin.result 0.163 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  skip_name_resolve.result 1.277 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  slave-running.result 0.069 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  slave-stopped.result 0.07 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sort_buffer_size_functionality.result 6.478 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-big.result 1.468 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-bugs.result 7.661 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-code.result 28.231 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-destruct.result 6.841 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-dynamic.result 9.547 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-error.result 81.432 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-fib.result 0.641 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-lock.result 21.447 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-no-code.result 0.3 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-prelocking.result 7.093 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-security.result 23.506 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-threads.result 2.012 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-ucs2.result 4.778 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp-vars.result 28.089 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp.result 183.743 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_debug.result 0.718 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_gis.result 0.81 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_notembedded.result 10 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_stress_case.result 2.526 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_sync.result 3.167 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_trans.result 14.304 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_trans_log.result 0.87 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sp_validation.result 34.669 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sql_mode.result 17.526 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl-big.result 0.067 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl-crl-revoked-crl.result 0.074 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl-sha512.result 0.367 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl.result 56.893 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_8k_key.result 0.041 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_and_innodb.result 0.179 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_ca.result 0.837 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_cipher.result 0.248 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_compress.result 56.52 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_connect.result 0.01 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_crl.result 1.145 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_crl_clients-valid.result 1.011 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_crl_clients.result 0.417 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_crl_clients_valid.result 0.605 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_crl_crlpath.result 0.711 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_mode.result 1.293 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_mode_no_ssl.result 1.058 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  ssl_verify_identity.result 1.003 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  status.result 9.825 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  status2.result 1.354 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  status_bug17954.result 0.568 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  status_debug.result 1.063 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  strict.result 64.413 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  strict_autoinc_1myisam.result 0.639 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  strict_autoinc_2innodb.result 0.639 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  strict_autoinc_3heap.result 0.639 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_all.result 258.332 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_all_bka.result 258.653 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_all_bka_nixbnl.result 258.416 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_bugs.result 3.048 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_mat.result 94.956 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_mat_all.result 87.691 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_mat_none.result 89.711 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_nomat_nosj.result 258.393 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_nomat_nosj_bka.result 258.636 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_nomat_nosj_bka_nixbnl.result 258.215 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_none.result 258.287 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_none_bka.result 258.38 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_none_bka_nixbnl.result 257.959 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_all.result 368.598 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_all_bka.result 370.215 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_all_bka_nixbnl.result 358.999 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_all_bkaunique.result 370.58 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_dupsweed.result 370.17 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_dupsweed_bka.result 370.416 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_dupsweed_bka_nixbnl.result 352.522 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_dupsweed_bkaunique.result 370.448 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_firstmatch.result 363.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_firstmatch_bka.result 363.322 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_firstmatch_bka_nixbnl.result 351.284 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_firstmatch_bkaunique.result 363.354 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_all.result 4.739 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_all_bka.result 4.932 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_all_bka_nixbnl.result 4.953 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_all_bkaunique.result 4.99 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_none.result 4.621 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_none_bka.result 4.714 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_none_bka_nixbnl.result 4.703 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_innodb_none_bkaunique.result 4.746 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_loosescan.result 370.079 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_loosescan_bka.result 370.325 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_loosescan_bka_nixbnl.result 352.497 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_loosescan_bkaunique.result 370.357 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_mat.result 378.771 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_mat_bka.result 378.846 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_mat_bka_nixbnl.result 362.058 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_mat_bkaunique.result 378.878 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_mat_nosj.result 376.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_none.result 374.823 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_none_bka.result 374.916 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_none_bka_nixbnl.result 367.909 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subquery_sj_none_bkaunique.result 374.948 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subselect_debug.result 0.399 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subselect_gis.result 0.298 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subselect_innodb.result 28.096 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  subselect_notembedded.result 0.734 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sum_distinct-big.result 2.002 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sum_distinct.result 3.141 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  symlink.result 7.752 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  symlink_windows.result 0.313 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  synchronization.result 4.052 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  sysdate_is_now.result 0.074 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  system_mysql_db.result 13.5 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  system_mysql_db_refs.result 2.96 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  table_definition_cache_functionality.result 6.896 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  table_open_cache_functionality.result 12.784 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  tablelock.result 1.501 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  tablespace.result 10.131 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  temp_pool.result 0.525 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  temp_table.result 7.392 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  temporal_literal.result 13.164 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  testdb_only.require 0.044 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  thread_cache_size_functionality.result 5.258 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  timezone.result 1.805 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  timezone2.result 11.814 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  timezone3.result 2.209 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  timezone4.result 0.145 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  timezone_grant.result 3.759 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  trans_read_only.result 1.028 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  trigger-compat.result 7.751 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  trigger-trans.result 6.464 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  trigger.result 68.456 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  trigger_notembedded.result 17.026 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  true.require 0.007 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  truncate.result 3.583 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  truncate_coverage.result 2.399 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_binary.result 3.621 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_bit.result 16.916 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_bit_innodb.result 7.314 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_blob.result 28.874 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_date.result 18.463 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_datetime.result 31.236 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_decimal.result 36.102 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_enum.result 101.192 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_float.result 11.969 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_nchar.result 1.437 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_newdecimal-big.result 0.662 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_newdecimal.result 61.458 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_ranges.result 17.381 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_set.result 3.991 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_temporal_fractional.result 635.432 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_temporal_upgrade.result 9.898 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_time.result 109.266 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_timestamp.result 24.694 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_timestamp_explicit.result 27.353 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_uint.result 0.357 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_varchar.result 16.656 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  type_year.result 7.775 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  udf.result 16.032 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  udf_services.result 0.487 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  udf_skip_grants.result 0.218 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  union.result 52.6 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  unsafe_binlog_innodb.result 4.355 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  update.result 16.628 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  upgrade.result 4.91 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  user_limits.result 3.536 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  user_var-binlog.result 2.171 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  user_var.result 15.345 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  validate_password_plugin.result 12.092 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  varbinary.result 3.341 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables-big.result 0.949 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables-notembedded.result 5.776 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables-win.result 0.339 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables.result 61.675 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables_community.result 0.178 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  variables_debug.result 2.134 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  view.result 178.725 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  view_alias.result 6.192 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  view_grant.result 76.689 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wait_timeout.result 1.067 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  warnings.result 11.208 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  warnings_engine_disabled.result 0.464 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  windows.require 0.007 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  windows.result 1.86 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-csv.result 7.229 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-innodb.result 7.268 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-memory.result 7.268 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-merge.result 5.992 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-myisam.result 7.268 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6219-upgrade.result 7.331 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6301_1_not_windows.result 0.043 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6301_2_not_windows.result 0.045 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6301_3.result 0.087 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  wl6443_deprecation.result 10.706 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  xa.result 7.133 KB -rw-r--r-- 2021-01-05 10:19 R E G D
  xml.result 41.778 KB -rw-r--r-- 2021-01-05 10:19 R E G D
REQUEST EXIT
set optimizer_switch='batched_key_access=on,block_nested_loop=off,mrr_cost_based=off'; set optimizer_switch='semijoin=on,materialization=on,firstmatch=on,loosescan=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=off'; set @old_opt_switch=@@optimizer_switch; set optimizer_switch='subquery_materialization_cost_based=off'; drop table if exists t0, t1, t2, t10, t11, t12; create table t1 (a int not null, b int, primary key (a)); create table t2 (a int not null, primary key (a)); create table t3 (a int not null, b int, primary key (a)); insert into t1 values (1,10), (2,20), (3,30), (4,40); insert into t2 values (2), (3), (4), (5); insert into t3 values (10,3), (20,4), (30,5); select * from t2 where t2.a in (select a from t1); a 2 3 4 explain extended select * from t2 where t2.a in (select a from t1); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`) select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a 2 4 explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00 Using where; Using join buffer (Batched Key Access) Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30)) select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); a 2 3 explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 100.00 Using where; Using join buffer (Batched Key Access) 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) drop table t1, t2, t3; create table t1 (a int, b int, index a (a,b)); create table t2 (a int, index a (a)); create table t3 (a int, b int, index a (a)); insert into t1 values (1,10), (2,20), (3,30), (4,40); create table t0(a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t1 select rand()*100000+200,rand()*100000 from t0 A, t0 B, t0 C, t0 D; insert into t2 values (2), (3), (4), (5); insert into t3 values (10,3), (20,4), (30,5); select * from t2 where t2.a in (select a from t1); a 2 3 4 explain extended select * from t2 where t2.a in (select a from t1); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index a a 5 NULL 4 100.00 Using where; Using index 1 SIMPLE t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2) Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`) select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a 2 4 explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index a a 5 NULL 4 100.00 Using where; Using index 1 SIMPLE t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2) Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30)) select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); a 2 3 explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index a a 5 NULL 4 100.00 Using where; Using index 1 SIMPLE t3 index a a 5 NULL 3 100.00 Using where; Using index 1 SIMPLE t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) insert into t1 values (3,31); select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a 2 3 4 select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31); a 2 4 explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index a a 5 NULL 4 100.00 Using where; Using index 1 SIMPLE t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2) Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30)) drop table t0, t1, t2, t3; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1(a int, b int); insert into t1 values (0,0),(1,1),(2,2); create table t2 as select * from t1; create table t11(a int, b int); create table t10 (pk int, a int, primary key(pk)); insert into t10 select a,a from t0; create table t12 like t10; insert into t12 select * from t10; Flattened because of dependency, t10=func(t1) explain select * from t1 where a in (select pk from t10); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index select * from t1 where a in (select pk from t10); a b 0 0 1 1 2 2 A confluent case of dependency explain select * from t1 where a in (select a from t10 where pk=12); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables select * from t1 where a in (select a from t10 where pk=12); a b explain select * from t1 where a in (select a from t10 where pk=9); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t10 const PRIMARY PRIMARY 4 const 1 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where select * from t1 where a in (select a from t10 where pk=9); a b An empty table inside explain select * from t1 where a in (select a from t11); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 2 MATERIALIZED t11 ALL NULL NULL NULL NULL 0 NULL select * from t1 where a in (select a from t11); a b explain select * from t1 where a in (select pk from t10) and b in (select pk from t10); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 Using index select * from t1 where a in (select pk from t10) and b in (select pk from t10); a b 0 0 1 1 2 2 flattening a nested subquery explain select * from t1 where a in (select pk from t10 where t10.a in (select pk from t12)); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where; Using join buffer (Batched Key Access) 1 SIMPLE t12 eq_ref PRIMARY PRIMARY 4 test.t10.a 1 Using index select * from t1 where a in (select pk from t10 where t10.a in (select pk from t12)); a b 0 0 1 1 2 2 flattening subquery w/ several tables explain extended select * from t1 where a in (select t10.pk from t10, t12 where t12.pk=t10.a); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using where; Using join buffer (Batched Key Access) 1 SIMPLE t12 eq_ref PRIMARY PRIMARY 4 test.t10.a 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t12` join `test`.`t1` where ((`test`.`t10`.`pk` = `test`.`t1`.`a`) and (`test`.`t12`.`pk` = `test`.`t10`.`a`)) subqueries within outer joins go into ON expr. explAin extended select * from t1 left join (t2 A, t2 B) on ( A.A= t1.A And B.A in (select pk from t10)); id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE A ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE B ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.B.A 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t10` join `test`.`t2` `A` join `test`.`t2` `B`) on(((`test`.`A`.`A` = `test`.`t1`.`A`) And 1 And (`test`.`B`.`A` = `test`.`t10`.`pk`))) where 1 t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)" explAin extended select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10)); id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t10 eq_ref PRIMARY PRIMARY 4 test.t2.A 1 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join (`test`.`t10` join `test`.`t2`) on(((`test`.`t2`.`A` = `test`.`t1`.`A`) And 1 And (`test`.`t2`.`A` = `test`.`t10`.`pk`))) where 1 we shouldn't flatten if we're going to get a join of > MAX_TABLES. explain select * from t1 s00, t1 s01, t1 s02, t1 s03, t1 s04,t1 s05,t1 s06,t1 s07,t1 s08,t1 s09, t1 s10, t1 s11, t1 s12, t1 s13, t1 s14,t1 s15,t1 s16,t1 s17,t1 s18,t1 s19, t1 s20, t1 s21, t1 s22, t1 s23, t1 s24,t1 s25,t1 s26,t1 s27,t1 s28,t1 s29, t1 s30, t1 s31, t1 s32, t1 s33, t1 s34,t1 s35,t1 s36,t1 s37,t1 s38,t1 s39, t1 s40, t1 s41, t1 s42, t1 s43, t1 s44,t1 s45,t1 s46,t1 s47,t1 s48,t1 s49 where s00.a in ( select m00.a from t1 m00, t1 m01, t1 m02, t1 m03, t1 m04,t1 m05,t1 m06,t1 m07,t1 m08,t1 m09, t1 m10, t1 m11, t1 m12, t1 m13, t1 m14,t1 m15,t1 m16,t1 m17,t1 m18,t1 m19 ); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY s00 ALL NULL NULL NULL NULL 3 Using where 1 PRIMARY s01 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s02 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s03 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s04 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s05 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s06 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s07 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s08 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s09 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s10 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s11 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s12 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s13 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s14 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s15 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s16 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s17 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s18 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s19 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s20 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s21 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s22 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s23 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s24 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s25 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s26 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s27 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s28 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s29 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s30 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s31 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s32 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s33 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s34 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s35 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s36 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s37 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s38 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s39 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s40 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s41 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s42 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s43 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s44 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s45 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s46 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s47 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s48 ALL NULL NULL NULL NULL 3 NULL 1 PRIMARY s49 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m00 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m01 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m02 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m03 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m04 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m05 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m06 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m07 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m08 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m09 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m10 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m11 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m12 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m13 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m14 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m15 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m16 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m17 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m18 ALL NULL NULL NULL NULL 3 NULL 2 SUBQUERY m19 ALL NULL NULL NULL NULL 3 NULL select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t10)) where t1.a < 5; a b a b 0 0 0 0 1 1 1 1 2 2 2 2 prepare s1 from ' select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t10)) where t1.a < 5'; execute s1; a b a b 0 0 0 0 1 1 1 1 2 2 2 2 execute s1; a b a b 0 0 0 0 1 1 1 1 2 2 2 2 insert into t1 select (A.a + 10 * B.a),1 from t0 A, t0 B; explain extended select * from t1 where a in (select pk from t10 where pk<3); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t10 range PRIMARY PRIMARY 4 NULL 4 100.00 Using where; Using index 1 SIMPLE t1 ALL NULL NULL NULL NULL 103 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t1` where ((`test`.`t1`.`a` = `test`.`t10`.`pk`) and (`test`.`t10`.`pk` < 3)) drop table t0, t1, t2; drop table t10, t11, t12; # # Check that subqueries with outer joins or straight_join work for # different permutations of const and non-const tables. (Ref. Bug#46692) # CREATE TABLE t1 (i INTEGER); CREATE TABLE t2 (i INTEGER); CREATE TABLE t3 (i INTEGER); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 0 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 0 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 0 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 1 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 1 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 1 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 2 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 0 2 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (0); DELETE FROM t2; INSERT INTO t1 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 0 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 0 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 0 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 1 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 1 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 1 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 2 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 1 2 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 1 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (0); DELETE FROM t2; INSERT INTO t1 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 0 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 0 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 0 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Start temporary 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where; Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE const 5 const 1 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 0 FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 1 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; Start temporary 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 1 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 1 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; Start temporary 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 1 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 1 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 2 0 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i EXECUTE stmt; i DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 0 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE const 5 const 1 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (2); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 EXECUTE stmt; i 2 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 1 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; Start temporary 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; End temporary SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (1); SELECT (SELECT COUNT(*) from t1) AS c1, (SELECT COUNT(*) from t2) AS c2, (SELECT COUNT(*) from t3) AS c3; c1 c2 c3 2 2 2 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.i 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i); i 2 1 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 INNER JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 1 EXECUTE stmt; i 2 1 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.i 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 2 1 PREPARE stmt FROM "SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i)"; EXECUTE stmt; i 2 1 EXECUTE stmt; i 2 1 DEALLOCATE PREPARE stmt; EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.i 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i 2 1 EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.i 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 NULL SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i 2 1 EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 RIGHT JOIN t3 ON t2.i=t3.i); i EXPLAIN SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE const 5 const 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE (11) IN (SELECT t3.i FROM t2 STRAIGHT_JOIN t3); i INSERT INTO t3 VALUES (0); DELETE FROM t3; INSERT INTO t2 VALUES (0); DELETE FROM t2; INSERT INTO t1 VALUES (0); DROP TABLE t1, t2, t3; create table x1(k int primary key, d1 int, d2 int); create table x2(k int primary key, d1 int, d2 int); insert into x1 values (10, 10, 10), (20, 20, 20), (21, 20, null), (30, null, 30), (40, 40, 40); insert into x2 values (10, 10, 10), (20, 20, 20), (21, 20, null), (30, null, 30); select * from x1 where (d1, d2) in (select d1, d2 from x2); k d1 d2 10 10 10 20 20 20 select * from x1 where (d1, d2) in (select d1, d2 from x2) is true; k d1 d2 10 10 10 20 20 20 select * from x1 where (d1, d2) in (select d1, d2 from x2) is false; k d1 d2 40 40 40 select * from x1 where (d1, d2) in (select d1, d2 from x2) is unknown; k d1 d2 21 20 NULL 30 NULL 30 select * from x1 where d1 in (select d1 from x2 where x1.d2=x2.d2); k d1 d2 10 10 10 20 20 20 select * from x1 where d1 in (select d1 from x2 where x1.d2=x2.d2) is true; k d1 d2 10 10 10 20 20 20 select * from x1 where d1 in (select d1 from x2 where x1.d2=x2.d2) is false; k d1 d2 21 20 NULL 40 40 40 select * from x1 where d1 in (select d1 from x2 where x1.d2=x2.d2) is unknown; k d1 d2 30 NULL 30 select * from x1 where 1 in (select 1 from x2 where x1.d1=x2.d1 and x1.d2=x2.d2); k d1 d2 10 10 10 20 20 20 select * from x1 where 1 in (select 1 from x2 where x1.d1=x2.d1 and x1.d2=x2.d2) is true; k d1 d2 10 10 10 20 20 20 select * from x1 where 1 in (select 1 from x2 where x1.d1=x2.d1 and x1.d2=x2.d2) is false; k d1 d2 21 20 NULL 30 NULL 30 40 40 40 select * from x1 where 1 in (select 1 from x2 where x1.d1=x2.d1 and x1.d2=x2.d2) is unknown; k d1 d2 select * from x1 where exists (select * from x2 where x1.d1=x2.d1 and x1.d2=x2.d2); k d1 d2 10 10 10 20 20 20 drop table x1; drop table x2; CREATE TABLE t1 ( a int(11) NOT NULL, b int(11) NOT NULL, c datetime default NULL, PRIMARY KEY (a), KEY idx_bc (b,c) ); INSERT INTO t1 VALUES (406989,67,'2006-02-23 17:08:46'), (150078,67,'2005-10-26 11:17:45'), (406993,67,'2006-02-27 11:20:57'), (245655,67,'2005-12-08 15:59:08'), (406994,67,'2006-02-27 11:26:46'), (256,67,NULL), (398341,67,'2006-02-20 04:48:44'), (254,67,NULL),(1120,67,NULL), (406988,67,'2006-02-23 17:07:22'), (255,67,NULL), (398340,67,'2006-02-20 04:38:53'),(406631,67,'2006-02-23 10:49:42'), (245653,67,'2005-12-08 15:59:07'),(406992,67,'2006-02-24 16:47:18'), (245654,67,'2005-12-08 15:59:08'),(406995,67,'2006-02-28 11:55:00'), (127261,67,'2005-10-13 12:17:58'),(406991,67,'2006-02-24 16:42:32'), (245652,67,'2005-12-08 15:58:27'),(398545,67,'2006-02-20 04:53:13'), (154504,67,'2005-10-28 11:53:01'),(9199,67,NULL),(1,67,'2006-02-23 15:01:35'), (223456,67,NULL),(4101,67,NULL),(1133,67,NULL), (406990,67,'2006-02-23 18:01:45'),(148815,67,'2005-10-25 15:34:17'), (148812,67,'2005-10-25 15:30:01'),(245651,67,'2005-12-08 15:58:27'), (154503,67,'2005-10-28 11:52:38'); create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 asc; create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc; create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc; create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc; update t22 set c = '2005-12-08 15:58:27' where a = 255; explain select t21.* from t21,t22 where t21.a = t22.a and t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using temporary; Using filesort 1 SIMPLE t22 ALL NULL NULL NULL NULL 26 Using where 1 SIMPLE t21 ALL NULL NULL NULL NULL 26 Using where 2 MATERIALIZED t11 ALL NULL NULL NULL NULL 8 Using where 2 MATERIALIZED t12 ALL NULL NULL NULL NULL 8 Using where explain format=json select * from t1 where a in (select a from t11); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "", "access_type": "ALL", "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "t11", "access_type": "ALL", "rows": 8, "filtered": 100 } } } } }, { "table": { "table_name": "t1", "access_type": "eq_ref", "possible_keys": [ "PRIMARY" ], "key": "PRIMARY", "used_key_parts": [ "a" ], "key_length": "4", "ref": [ ".a" ], "rows": 1, "filtered": 100, "using_join_buffer": "Batched Key Access" } } ] } } Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` semi join (`test`.`t11`) where (`test`.`t1`.`a` = ``.`a`) select t21.* from t21,t22 where t21.a = t22.a and t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a; a b c 256 67 NULL drop table t1, t11, t12, t21, t22; create table t1(a int); insert into t1 values (0),(1); explain select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY X ALL NULL NULL NULL NULL 2 NULL 2 DEPENDENT SUBQUERY Y ALL NULL NULL NULL NULL 2 Using where 2 DEPENDENT SUBQUERY Z ALL NULL NULL NULL NULL 2 Using where; FirstMatch(Y) select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X; subq NULL 0 drop table t1; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 as select * from t0; insert into t1 select a+10 from t0; insert into t0 values(2); explain select * from t1 where 2 in (select a from t0); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 ALL NULL NULL NULL NULL 11 Using where; FirstMatch 1 SIMPLE t1 ALL NULL NULL NULL NULL 20 NULL select * from t1 where 2 in (select a from t0); a 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 explain select * from (select a from t0) x where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 11 Using where 1 PRIMARY eq_ref 5 x.a 1 NULL 3 MATERIALIZED t1 ALL NULL NULL NULL NULL 20 NULL 2 DERIVED t0 ALL NULL NULL NULL NULL 11 NULL explain format=json select * from (select a from t0) x where a in (select a from t1); EXPLAIN { "query_block": { "select_id": 3, "nested_loop": [ { "table": { "table_name": "x", "access_type": "ALL", "rows": 11, "filtered": 100, "attached_condition": "(`x`.`a` is not null)", "materialized_from_subquery": { "using_temporary_table": true, "dependent": false, "cacheable": true, "query_block": { "select_id": 2, "table": { "table_name": "t0", "access_type": "ALL", "rows": 11, "filtered": 100 } } } } }, { "table": { "table_name": "", "access_type": "eq_ref", "key": "", "key_length": "5", "ref": [ "x.a" ], "rows": 1, "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "t1", "access_type": "ALL", "rows": 20, "filtered": 100 } } } } } ] } } Warnings: Note 1003 /* select#1 */ select `x`.`a` AS `a` from (/* select#2 */ select `test`.`t0`.`a` AS `a` from `test`.`t0`) `x` semi join (`test`.`t1`) where (``.`a` = `x`.`a`) drop table t0, t1; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2)); insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C; insert into t1 select * from t1 where kp1 < 20; create table t3 (a int); insert into t3 select A.a + 10*B.a from t0 A, t0 B; explain select * from t3 where a in (select kp1 from t1 where kp1<20); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 100 Using where 1 SIMPLE eq_ref 5 test.t3.a 1 NULL 2 MATERIALIZED t1 range kp1 kp1 5 NULL 48 Using where; Using index select * from t3 where a in (select kp1 from t1 where kp1<20); a 0 10 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 explain select * from t3 where a in (select kp1 from t1 where kp1<20) and a<20; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 100 Using where 1 SIMPLE eq_ref 5 test.t3.a 1 NULL 2 MATERIALIZED t1 range kp1 kp1 5 NULL 48 Using where; Using index select * from t3 where a in (select kp1 from t1 where kp1<20) and a<20; a 0 10 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 create table t4 (pk int primary key); insert into t4 select a from t3; explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20 and t4.pk=t1.c); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 100 Using where 1 SIMPLE eq_ref 5 test.t3.a 1 NULL 2 MATERIALIZED t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; Using MRR 2 MATERIALIZED t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20 and t4.pk=t1.c); a 0 10 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 drop table t1, t3, t4; create table t1 (a int); insert into t1 values (0),(0),(0),(1),(1),(1),(2),(2),(2),(3),(3),(3); set @save_max_heap_table_size=@@max_heap_table_size; set @@max_heap_table_size= 16384; # Attempt to make one test that overflows the heap table when a # non-duplicate row is inserted and one test that overflows the # heap table when a duplicate record is inserted. Debugging showed # that these situations occurred with max_heap_table_size=16384 # and optimizer_join_cache_level equals 1 and 0, respectively. # Finally execute a test that does not overflow the heap table. explain select count(*) from t0 A, t0 B, t0 C where C.a in (select a from t1 D); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE A ALL NULL NULL NULL NULL 10 NULL 1 SIMPLE B ALL NULL NULL NULL NULL 10 NULL 1 SIMPLE C ALL NULL NULL NULL NULL 10 Using where 1 SIMPLE eq_ref 5 test.C.a 1 NULL 2 MATERIALIZED D ALL NULL NULL NULL NULL 12 NULL flush status; select count(*) from t0 A, t0 B, t0 C where C.a in (select a from t1 D); count(*) 400 show status like 'Created_tmp_disk_tables'; Variable_name Value Created_tmp_disk_tables 0 set @@max_heap_table_size= @save_max_heap_table_size; flush status; select count(*) from t0 A, t0 B, t0 C where C.a in (select a from t1 D); count(*) 400 show status like 'Created_tmp_disk_tables'; Variable_name Value Created_tmp_disk_tables 0 drop table t0, t1; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t2(a int); insert into t2 values (1),(2); create table t3 ( a int , filler char(100), key(a)); insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B; explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE t3 ref a a 5 .a 1 Using join buffer (Batched Key Access) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL select * from t3 where a in (select a from t2); a filler 1 filler 2 filler drop table t0, t2, t3; create table t1 (a date); insert into t1 values ('2008-01-01'),('2008-01-01'),('2008-02-01'),('2008-02-01'); create table t2 (a int); insert into t2 values (1),(2); create table t3 (a char(10)); insert into t3 select * from t1; insert into t3 values (1),(2); explain select * from t2 where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t2) explain select * from t2 where a in (select a from t2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t2) explain select * from t2 where a in (select a from t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where; FirstMatch(t2) explain select * from t1 where a in (select a from t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 4 NULL 1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where; FirstMatch(t1) drop table t1, t2, t3; create table t1 (a decimal); insert into t1 values (1),(2); explain select * from t1 where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) drop table t1; create table t1 (a int); insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t2 as select * from t1; create table t3 (a int, b int, filler char(100), key(a)); insert into t3 select A.a + 10*B.a, A.a + 10*B.a, 'filler' from t1 A, t1 B, t1 C; explain select * from t1, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30) and t1.a =3; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE t3 ref a a 5 .a 10 Using join buffer (Batched Key Access) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 10 NULL explain format=json select * from t1, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30) and t1.a =3; EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "t1", "access_type": "ALL", "rows": 10, "filtered": 100, "attached_condition": "(`test`.`t1`.`a` = 3)" } }, { "table": { "table_name": "", "access_type": "ALL", "attached_condition": "(((``.`a` < 10) or (``.`a` > 30)) and (``.`a` is not null))", "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "t2", "access_type": "ALL", "rows": 10, "filtered": 100 } } } } }, { "table": { "table_name": "t3", "access_type": "ref", "possible_keys": [ "a" ], "key": "a", "used_key_parts": [ "a" ], "key_length": "5", "ref": [ ".a" ], "rows": 10, "filtered": 100, "using_join_buffer": "Batched Key Access" } } ] } } Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`filler` AS `filler` from `test`.`t1` semi join (`test`.`t2`) join `test`.`t3` where ((`test`.`t3`.`a` = ``.`a`) and (`test`.`t1`.`a` = 3) and ((``.`a` < 10) or (``.`a` > 30))) explain select straight_join * from t1 A, t1 B where A.a in (select a from t2); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY A ALL NULL NULL NULL NULL 10 Using where 1 PRIMARY B ALL NULL NULL NULL NULL 10 NULL 2 SUBQUERY t2 ALL NULL NULL NULL NULL 10 NULL explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where 2 SUBQUERY A ALL NULL NULL NULL NULL 10 NULL 2 SUBQUERY B ALL NULL NULL NULL NULL 10 NULL explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where 2 SUBQUERY A ALL NULL NULL NULL NULL 10 NULL 2 SUBQUERY B ALL NULL NULL NULL NULL 10 NULL explain select straight_join * from t2 X, t2 Y where X.a in (select straight_join A.a from t1 A, t1 B); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY X ALL NULL NULL NULL NULL 10 Using where 1 PRIMARY Y ALL NULL NULL NULL NULL 10 NULL 2 SUBQUERY A ALL NULL NULL NULL NULL 10 NULL 2 SUBQUERY B ALL NULL NULL NULL NULL 10 NULL create table t0 (a int, b int); insert into t0 values(1,1); explain select * from t0, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 system NULL NULL NULL NULL 1 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE t3 ref a a 5 .a 10 Using join buffer (Batched Key Access) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 10 NULL create table t4 as select a as x, a as y from t1; explain select * from t0, t3 where (t3.a, t3.b) in (select x,y from t4) and (t3.a < 10 or t3.a >30); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 system NULL NULL NULL NULL 1 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE t3 ref a a 5 .x 10 Using where; Using join buffer (Batched Key Access) 2 MATERIALIZED t4 ALL NULL NULL NULL NULL 10 NULL drop table t0,t1,t2,t3,t4; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (a int, b int, filler char(100), key(a,b)); insert into t1 select A.a, B.a, 'filler' from t0 A, t0 B; create table t2 as select * from t1; explain select * from t2 where a in (select b from t1 where a=3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 100 Using where 1 SIMPLE eq_ref 5 test.t2.a 1 NULL 2 MATERIALIZED t1 ref a a 5 const 8 Using index explain select * from t2 where (b,a) in (select a,b from t1 where a=3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 100 Using where 1 SIMPLE eq_ref 10 test.t2.b,test.t2.a 1 Using where 2 MATERIALIZED t1 ref a a 5 const 8 Using index drop table t1,t2; create table t1 (a int, b int); insert into t1 select a,a from t0; create table t2 (a int, b int); insert into t2 select A.a + 10*B.a, A.a + 10*B.a from t0 A, t0 B; explain select * from t1 where (a,b) in (select a,b from t2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where 1 SIMPLE eq_ref 10 test.t1.a,test.t1.b 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 100 NULL drop table t0, t1, t2; create table t0 (a decimal(4,2)); insert into t0 values (10.24), (22.11); create table t1 as select * from t0; insert into t1 select * from t0; explain select * from t0 where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t0) select * from t0 where a in (select a from t1); a 10.24 22.11 drop table t0, t1; create table t0(a date); insert into t0 values ('2008-01-01'),('2008-02-02'); create table t1 as select * from t0; insert into t1 select * from t0; explain select * from t0 where a in (select a from t1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t0) select * from t0 where a in (select a from t1); a 2008-01-01 2008-02-02 drop table t0, t1; create table t0(a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 as select a as a, a as b, a as c from t0 where a < 3; create table t2 as select a as a, a as b from t0 where a < 3; insert into t2 select * from t2; explain select * from t1 where (a,b,c) in (select X.a, Y.a, Z.a from t2 X, t2 Y, t2 Z where X.b=33); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE eq_ref 15 test.t1.a,test.t1.b,test.t1.c 1 NULL 2 MATERIALIZED X ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED Y ALL NULL NULL NULL NULL 6 NULL 2 MATERIALIZED Z ALL NULL NULL NULL NULL 6 NULL drop table t0,t1,t2; set @save_join_buffer_size = @@join_buffer_size; set join_buffer_size= 8192; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (a int, filler1 binary(200), filler2 binary(200)); insert into t1 select a, 'filler123456', 'filler123456' from t0; insert into t1 select a+10, 'filler123456', 'filler123456' from t0; create table t2 as select * from t1; insert into t1 select a+20, 'filler123456', 'filler123456' from t0; insert into t1 values (2, 'duplicate ok', 'duplicate ok'); insert into t1 values (18, 'duplicate ok', 'duplicate ok'); insert into t2 values (3, 'duplicate ok', 'duplicate ok'); insert into t2 values (19, 'duplicate ok', 'duplicate ok'); explain select a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z from t1 ot where a in (select a from t2 it); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot ALL NULL NULL NULL NULL 32 Using where 2 MATERIALIZED it ALL NULL NULL NULL NULL 22 NULL select a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z from t1 ot where a in (select a from t2 it); a mid(filler1, 1,10) Z 0 filler1234 1 1 filler1234 1 10 filler1234 1 11 filler1234 1 12 filler1234 1 13 filler1234 1 14 filler1234 1 15 filler1234 1 16 filler1234 1 17 filler1234 1 18 duplicate 1 18 filler1234 1 19 filler1234 1 2 duplicate 1 2 filler1234 1 3 filler1234 1 4 filler1234 1 5 filler1234 1 6 filler1234 1 7 filler1234 1 8 filler1234 1 9 filler1234 1 explain select a, mid(filler1, 1,10), length(filler1)=length(filler2) from t2 ot where a in (select a from t1 it); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 22 Using where 1 SIMPLE eq_ref 5 test.ot.a 1 NULL 2 MATERIALIZED it ALL NULL NULL NULL NULL 32 NULL select a, mid(filler1, 1,10), length(filler1)=length(filler2) from t2 ot where a in (select a from t1 it); a mid(filler1, 1,10) length(filler1)=length(filler2) 0 filler1234 1 1 filler1234 1 10 filler1234 1 11 filler1234 1 12 filler1234 1 13 filler1234 1 14 filler1234 1 15 filler1234 1 16 filler1234 1 17 filler1234 1 18 filler1234 1 19 duplicate 1 19 filler1234 1 2 filler1234 1 3 duplicate 1 3 filler1234 1 4 filler1234 1 5 filler1234 1 6 filler1234 1 7 filler1234 1 8 filler1234 1 9 filler1234 1 insert into t1 select a+20, 'filler123456', 'filler123456' from t0; insert into t1 select a+20, 'filler123456', 'filler123456' from t0; explain select a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z from t1 ot where a in (select a from t2 it); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot ALL NULL NULL NULL NULL 52 Using where 2 MATERIALIZED it ALL NULL NULL NULL NULL 22 NULL select a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z from t1 ot where a in (select a from t2 it); a mid(filler1, 1,10) Z 0 filler1234 1 1 filler1234 1 10 filler1234 1 11 filler1234 1 12 filler1234 1 13 filler1234 1 14 filler1234 1 15 filler1234 1 16 filler1234 1 17 filler1234 1 18 duplicate 1 18 filler1234 1 19 filler1234 1 2 duplicate 1 2 filler1234 1 3 filler1234 1 4 filler1234 1 5 filler1234 1 6 filler1234 1 7 filler1234 1 8 filler1234 1 9 filler1234 1 explain select a, mid(filler1, 1,10), length(filler1)=length(filler2) from t2 ot where a in (select a from t1 it); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 22 Using where 1 SIMPLE eq_ref 5 test.ot.a 1 NULL 2 MATERIALIZED it ALL NULL NULL NULL NULL 52 NULL select a, mid(filler1, 1,10), length(filler1)=length(filler2) from t2 ot where a in (select a from t1 it); a mid(filler1, 1,10) length(filler1)=length(filler2) 0 filler1234 1 1 filler1234 1 10 filler1234 1 11 filler1234 1 12 filler1234 1 13 filler1234 1 14 filler1234 1 15 filler1234 1 16 filler1234 1 17 filler1234 1 18 filler1234 1 19 duplicate 1 19 filler1234 1 2 filler1234 1 3 duplicate 1 3 filler1234 1 4 filler1234 1 5 filler1234 1 6 filler1234 1 7 filler1234 1 8 filler1234 1 9 filler1234 1 set @@join_buffer_size = @save_join_buffer_size; drop table t1, t2; create table t1 (a int, b int, key(a)); create table t2 (a int, b int, key(a)); create table t3 (a int, b int, key(a)); insert into t1 select a,a from t0; insert into t2 select a,a from t0; insert into t3 select a,a from t0; t2 and t3 must be use 'ref', not 'ALL': explain select * from t0 where a in (select t2.a+t3.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where 1 SIMPLE eq_ref 9 test.t0.a 1 Using where 2 MATERIALIZED t1 index a a 5 NULL 10 Using index 2 MATERIALIZED t2 ref a a 5 test.t1.a 1 Using index 2 MATERIALIZED t3 ref a a 5 test.t1.a 1 Using index drop table t0, t1,t2,t3; Test that neither MaterializeLookup strategy for semijoin, nor subquery materialization is used when BLOBs are involved (except when arguments of some functions). set @prefix_len = 6; set @blob_len = 16; set @suffix_len = @blob_len - @prefix_len; create table t1_16 (a1 blob(16), a2 blob(16)); create table t2_16 (b1 blob(16), b2 blob(16)); create table t3_16 (c1 blob(16), c2 blob(16)); insert into t1_16 values (concat('1 - 00', repeat('x', @suffix_len)), concat('2 - 00', repeat('x', @suffix_len))); insert into t1_16 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t1_16 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_16 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t2_16 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_16 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_16 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t3_16 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t3_16 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_16 values (concat('1 - 04', repeat('x', @suffix_len)), concat('2 - 04', repeat('x', @suffix_len))); explain extended select left(a1,7), left(a2,7) from t1_16 where a1 in (select b1 from t2_16 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_16 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` semi join (`test`.`t2_16`) where ((``.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2_16`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_16 where a1 in (select b1 from t2_16 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_16 where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_16 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` semi join (`test`.`t2_16`) where ((``.`b2` = `test`.`t1_16`.`a2`) and (``.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2_16`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_16 where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_16 where a1 in (select substring(b1,1,16) from t2_16 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE eq_ref 19 test.t1_16.a1 1 100.00 Using where 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` semi join (`test`.`t2_16`) where ((`test`.`t2_16`.`b1` > '0') and (`test`.`t1_16`.`a1` = ``.`substring(b1,1,16)`)) select left(a1,7), left(a2,7) from t1_16 where a1 in (select substring(b1,1,16) from t2_16 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_16 where a1 in (select group_concat(b1) from t2_16 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where (`test`.`t1_16`.`a1`,(/* select#2 */ select 1 from `test`.`t2_16` group by `test`.`t2_16`.`b2` having ((`test`.`t1_16`.`a1`) = (group_concat(`test`.`t2_16`.`b1` separator ','))))) select left(a1,7), left(a2,7) from t1_16 where a1 in (select group_concat(b1) from t2_16 group by b2); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x set @@group_concat_max_len = 256; explain extended select left(a1,7), left(a2,7) from t1_16 where a1 in (select group_concat(b1) from t2_16 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where (`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having 1 ), (`test`.`t1_16`.`a1` in on where ((`test`.`t1_16`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_16 where a1 in (select group_concat(b1) from t2_16 group by b2); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x create table t1 (a1 char(8), a2 char(8)); create table t2 (b1 char(8), b2 char(8)); create table t3 (c1 char(8), c2 char(8)); insert into t1 values ('1 - 00', '2 - 00'); insert into t1 values ('1 - 01', '2 - 01'); insert into t1 values ('1 - 02', '2 - 02'); insert into t2 values ('1 - 01', '2 - 01'); insert into t2 values ('1 - 01', '2 - 01'); insert into t2 values ('1 - 02', '2 - 02'); insert into t2 values ('1 - 02', '2 - 02'); insert into t2 values ('1 - 03', '2 - 03'); insert into t3 values ('1 - 01', '2 - 01'); insert into t3 values ('1 - 02', '2 - 02'); insert into t3 values ('1 - 03', '2 - 03'); insert into t3 values ('1 - 04', '2 - 04'); explain extended select * from t1 where concat(a1,'x') IN (select left(a1,8) from t1_16 where (a1, a2) IN (select t2_16.b1, t2_16.b2 from t2_16, t2 where t2.b2 = substring(t2_16.b2,1,6) and t2.b1 IN (select c1 from t3 where c2 > '0'))); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 4 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 5 100.00 Using where; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t2_16` join `test`.`t2` join `test`.`t1_16`) where ((`test`.`t2_16`.`b2` = `test`.`t1_16`.`a2`) and (`test`.`t2_16`.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and (`test`.`t3`.`c2` > '0') and (concat(`test`.`t1`.`a1`,'x') = left(`test`.`t1_16`.`a1`,8))) drop table t1_16, t2_16, t3_16, t1, t2, t3; set @blob_len = 512; set @suffix_len = @blob_len - @prefix_len; create table t1_512 (a1 blob(512), a2 blob(512)); create table t2_512 (b1 blob(512), b2 blob(512)); create table t3_512 (c1 blob(512), c2 blob(512)); insert into t1_512 values (concat('1 - 00', repeat('x', @suffix_len)), concat('2 - 00', repeat('x', @suffix_len))); insert into t1_512 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t1_512 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_512 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t2_512 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_512 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_512 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t3_512 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t3_512 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_512 values (concat('1 - 04', repeat('x', @suffix_len)), concat('2 - 04', repeat('x', @suffix_len))); explain extended select left(a1,7), left(a2,7) from t1_512 where a1 in (select b1 from t2_512 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_512 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` semi join (`test`.`t2_512`) where ((``.`b1` = `test`.`t1_512`.`a1`) and (`test`.`t2_512`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_512 where a1 in (select b1 from t2_512 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_512 where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_512 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` semi join (`test`.`t2_512`) where ((``.`b2` = `test`.`t1_512`.`a2`) and (``.`b1` = `test`.`t1_512`.`a1`) and (`test`.`t2_512`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_512 where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_512 where a1 in (select substring(b1,1,512) from t2_512 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE eq_ref 515 test.t1_512.a1 1 100.00 Using where 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` semi join (`test`.`t2_512`) where ((`test`.`t2_512`.`b1` > '0') and (`test`.`t1_512`.`a1` = ``.`substring(b1,1,512)`)) select left(a1,7), left(a2,7) from t1_512 where a1 in (select substring(b1,1,512) from t2_512 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_512 where a1 in (select group_concat(b1) from t2_512 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where (`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` having 1 ), (`test`.`t1_512`.`a1` in on where ((`test`.`t1_512`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_512 where a1 in (select group_concat(b1) from t2_512 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() set @@group_concat_max_len = 256; explain extended select left(a1,7), left(a2,7) from t1_512 where a1 in (select group_concat(b1) from t2_512 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where (`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` having 1 ), (`test`.`t1_512`.`a1` in on where ((`test`.`t1_512`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_512 where a1 in (select group_concat(b1) from t2_512 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() drop table t1_512, t2_512, t3_512; set @blob_len = 513; set @suffix_len = @blob_len - @prefix_len; create table t1_513 (a1 blob(513), a2 blob(513)); create table t2_513 (b1 blob(513), b2 blob(513)); create table t3_513 (c1 blob(513), c2 blob(513)); insert into t1_513 values (concat('1 - 00', repeat('x', @suffix_len)), concat('2 - 00', repeat('x', @suffix_len))); insert into t1_513 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t1_513 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_513 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t2_513 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_513 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_513 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t3_513 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t3_513 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_513 values (concat('1 - 04', repeat('x', @suffix_len)), concat('2 - 04', repeat('x', @suffix_len))); explain extended select left(a1,7), left(a2,7) from t1_513 where a1 in (select b1 from t2_513 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_513 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_513 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_513`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_513`.`a2`,7) AS `left(a2,7)` from `test`.`t1_513` semi join (`test`.`t2_513`) where ((``.`b1` = `test`.`t1_513`.`a1`) and (`test`.`t2_513`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_513 where a1 in (select b1 from t2_513 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_513 where (a1,a2) in (select b1, b2 from t2_513 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_513 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_513 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_513`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_513`.`a2`,7) AS `left(a2,7)` from `test`.`t1_513` semi join (`test`.`t2_513`) where ((``.`b2` = `test`.`t1_513`.`a2`) and (``.`b1` = `test`.`t1_513`.`a1`) and (`test`.`t2_513`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_513 where (a1,a2) in (select b1, b2 from t2_513 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_513 where a1 in (select substring(b1,1,513) from t2_513 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_513 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_513 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_513`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_513`.`a2`,7) AS `left(a2,7)` from `test`.`t1_513` semi join (`test`.`t2_513`) where ((`test`.`t2_513`.`b1` > '0') and (`test`.`t1_513`.`a1` = ``.`substring(b1,1,513)`)) select left(a1,7), left(a2,7) from t1_513 where a1 in (select substring(b1,1,513) from t2_513 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_513 where a1 in (select group_concat(b1) from t2_513 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_513 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_513 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_513`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_513`.`a2`,7) AS `left(a2,7)` from `test`.`t1_513` where (`test`.`t1_513`.`a1`,`test`.`t1_513`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_513`.`b1` separator ',') from `test`.`t2_513` group by `test`.`t2_513`.`b2` having 1 ), (`test`.`t1_513`.`a1` in on where ((`test`.`t1_513`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_513 where a1 in (select group_concat(b1) from t2_513 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() drop table t1_513, t2_513, t3_513; set @blob_len = 1024; set @suffix_len = @blob_len - @prefix_len; create table t1_1024 (a1 blob(1024), a2 blob(1024)); create table t2_1024 (b1 blob(1024), b2 blob(1024)); create table t3_1024 (c1 blob(1024), c2 blob(1024)); insert into t1_1024 values (concat('1 - 00', repeat('x', @suffix_len)), concat('2 - 00', repeat('x', @suffix_len))); insert into t1_1024 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t1_1024 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_1024 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t2_1024 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_1024 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_1024 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t3_1024 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t3_1024 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_1024 values (concat('1 - 04', repeat('x', @suffix_len)), concat('2 - 04', repeat('x', @suffix_len))); explain extended select left(a1,7), left(a2,7) from t1_1024 where a1 in (select b1 from t2_1024 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1024 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` semi join (`test`.`t2_1024`) where ((``.`b1` = `test`.`t1_1024`.`a1`) and (`test`.`t2_1024`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_1024 where a1 in (select b1 from t2_1024 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1024 where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1024 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` semi join (`test`.`t2_1024`) where ((``.`b2` = `test`.`t1_1024`.`a2`) and (``.`b1` = `test`.`t1_1024`.`a1`) and (`test`.`t2_1024`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_1024 where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1024 where a1 in (select substring(b1,1,1024) from t2_1024 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1024 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` semi join (`test`.`t2_1024`) where ((`test`.`t2_1024`.`b1` > '0') and (`test`.`t1_1024`.`a1` = ``.`substring(b1,1,1024)`)) select left(a1,7), left(a2,7) from t1_1024 where a1 in (select substring(b1,1,1024) from t2_1024 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1024 where a1 in (select group_concat(b1) from t2_1024 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where (`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` having 1 ), (`test`.`t1_1024`.`a1` in on where ((`test`.`t1_1024`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_1024 where a1 in (select group_concat(b1) from t2_1024 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() set @@group_concat_max_len = 256; explain extended select left(a1,7), left(a2,7) from t1_1024 where a1 in (select group_concat(b1) from t2_1024 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where (`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` having 1 ), (`test`.`t1_1024`.`a1` in on where ((`test`.`t1_1024`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_1024 where a1 in (select group_concat(b1) from t2_1024 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() drop table t1_1024, t2_1024, t3_1024; set @blob_len = 1025; set @suffix_len = @blob_len - @prefix_len; create table t1_1025 (a1 blob(1025), a2 blob(1025)); create table t2_1025 (b1 blob(1025), b2 blob(1025)); create table t3_1025 (c1 blob(1025), c2 blob(1025)); insert into t1_1025 values (concat('1 - 00', repeat('x', @suffix_len)), concat('2 - 00', repeat('x', @suffix_len))); insert into t1_1025 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t1_1025 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_1025 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t2_1025 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t2_1025 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_1025 values (concat('1 - 01', repeat('x', @suffix_len)), concat('2 - 01', repeat('x', @suffix_len))); insert into t3_1025 values (concat('1 - 02', repeat('x', @suffix_len)), concat('2 - 02', repeat('x', @suffix_len))); insert into t3_1025 values (concat('1 - 03', repeat('x', @suffix_len)), concat('2 - 03', repeat('x', @suffix_len))); insert into t3_1025 values (concat('1 - 04', repeat('x', @suffix_len)), concat('2 - 04', repeat('x', @suffix_len))); explain extended select left(a1,7), left(a2,7) from t1_1025 where a1 in (select b1 from t2_1025 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1025 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` semi join (`test`.`t2_1025`) where ((``.`b1` = `test`.`t1_1025`.`a1`) and (`test`.`t2_1025`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_1025 where a1 in (select b1 from t2_1025 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1025 where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1025 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` semi join (`test`.`t2_1025`) where ((``.`b2` = `test`.`t1_1025`.`a2`) and (``.`b1` = `test`.`t1_1025`.`a1`) and (`test`.`t2_1025`.`b1` > '0')) select left(a1,7), left(a2,7) from t1_1025 where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1025 where a1 in (select substring(b1,1,1025) from t2_1025 where b1 > '0'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1_1025 ALL NULL NULL NULL NULL 3 100.00 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` semi join (`test`.`t2_1025`) where ((`test`.`t2_1025`.`b1` > '0') and (`test`.`t1_1025`.`a1` = ``.`substring(b1,1,1025)`)) select left(a1,7), left(a2,7) from t1_1025 where a1 in (select substring(b1,1,1025) from t2_1025 where b1 > '0'); left(a1,7) left(a2,7) 1 - 01x 2 - 01x 1 - 02x 2 - 02x explain extended select left(a1,7), left(a2,7) from t1_1025 where a1 in (select group_concat(b1) from t2_1025 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where (`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` having 1 ), (`test`.`t1_1025`.`a1` in on where ((`test`.`t1_1025`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_1025 where a1 in (select group_concat(b1) from t2_1025 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() set @@group_concat_max_len = 256; explain extended select left(a1,7), left(a2,7) from t1_1025 where a1 in (select group_concat(b1) from t2_1025 group by b2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort Warnings: Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where (`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` having 1 ), (`test`.`t1_1025`.`a1` in on where ((`test`.`t1_1025`.`a1` = `materialized-subquery`.`group_concat(b1)`))))) select left(a1,7), left(a2,7) from t1_1025 where a1 in (select group_concat(b1) from t2_1025 group by b2); left(a1,7) left(a2,7) Warnings: Warning 1260 Row 1 was cut by GROUP_CONCAT() Warning 1260 Row 2 was cut by GROUP_CONCAT() Warning 1260 Row 3 was cut by GROUP_CONCAT() drop table t1_1025, t2_1025, t3_1025; # # WL#5561: Enable semi join transformation with outer join. # CREATE TABLE ot1(a INT); CREATE TABLE ot2(a INT); CREATE TABLE ot3(a INT); CREATE TABLE it1(a INT); CREATE TABLE it2(a INT); CREATE TABLE it3(a INT); INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7); INSERT INTO ot2 VALUES(0),(2),(4),(6); INSERT INTO ot3 VALUES(0),(3),(6); INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7); INSERT INTO it2 VALUES(0),(2),(4),(6); INSERT INTO it3 VALUES(0),(3),(6); # Test cases, Subquery Pattern 1 # Example SQ1.1: explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE ot1.a IN (SELECT a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 2 MATERIALIZED it3 ALL NULL NULL NULL NULL 3 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE ot1.a IN (SELECT a FROM it3); a a 0 0 3 NULL 6 6 # Example SQ1.2: explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE COALESCE(ot2.a,0) IN (SELECT a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 2 MATERIALIZED it3 ALL NULL NULL NULL NULL 3 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE COALESCE(ot2.a,0) IN (SELECT a FROM it3); a a 0 0 1 NULL 3 NULL 5 NULL 6 6 7 NULL # Example SQ1.3: explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE (ot1.a,ot2.a) IN (SELECT a, a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 2 MATERIALIZED it3 ALL NULL NULL NULL NULL 3 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE (ot1.a,ot2.a) IN (SELECT a, a FROM it3); a a 0 0 6 6 # More test cases SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 WHERE ot1.a IN (SELECT a FROM it3); a a 0 0 3 NULL 6 6 SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 WHERE ot1.a IN (SELECT a+0 FROM it3); a a 0 0 3 NULL 6 6 SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 WHERE COALESCE(ot2.a,0) IN (SELECT a FROM it3); a a 0 0 1 NULL 3 NULL 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a WHERE COALESCE(ot2.a,0) IN (SELECT a+0 FROM it3); a a 0 0 1 NULL 3 NULL 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 WHERE (ot1.a,ot2.a) IN (SELECT a, a FROM it3); a a 0 0 6 6 SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot1.a=ot3.a WHERE ot1.a IN (SELECT a FROM it3); a a a 0 0 0 3 NULL 3 6 6 6 SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot1.a=ot3.a WHERE COALESCE(ot2.a,0) IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 3 NULL 3 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot1.a=ot3.a WHERE COALESCE(ot3.a,0) IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL 3 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot2.a=ot3.a WHERE ot1.a IN (SELECT a FROM it3); a a a 0 0 0 3 NULL NULL 6 6 6 SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot2.a=ot3.a WHERE COALESCE(ot2.a,0) IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 3 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a LEFT JOIN ot3 ON ot2.a=ot3.a WHERE COALESCE(ot3.a,0) IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL NULL 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL # Test cases, Subquery Pattern 2 # Example SQ2.1: explain SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 2 MATERIALIZED it3 ALL NULL NULL NULL NULL 3 NULL SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3); a a 0 0 6 6 # Example SQ2.2: explain SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it2) AND ot2.a IN (SELECT a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 3 MATERIALIZED it3 ALL NULL NULL NULL NULL 3 NULL 2 MATERIALIZED it2 ALL NULL NULL NULL NULL 4 NULL SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it2) AND ot2.a IN (SELECT a FROM it3); a a 0 0 6 6 # More test cases SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it3); a a 0 0 6 6 SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it3); a a 0 0 6 6 SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a+0 AND ot2.a IN (SELECT a FROM it3); a a 0 0 6 6 SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot2.a IN (SELECT a+0 FROM it3); a a 0 0 6 6 SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it2) AND ot2.a IN (SELECT a+0 FROM it3); a a 0 0 6 6 SELECT * FROM ot1 JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3) JOIN ot3 ON ot2.a=ot3.a AND ot3.a IN (SELECT a FROM it3); a a a 0 0 0 6 6 6 # Test cases, Subquery Pattern 3 # Example SQ3.1: explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE it3 ALL NULL NULL NULL NULL 3 Using where; FirstMatch(ot1) 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3); a a 0 0 1 NULL 2 NULL 3 NULL 4 NULL 5 NULL 6 6 7 NULL # Example SQ3.2: explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot2.a IN (SELECT a FROM it2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE it2 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(ot2) SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot2.a IN (SELECT a FROM it2); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL # Example SQ3.3 explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1) AND ot2.a IN (SELECT a FROM it2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE it1 ALL NULL NULL NULL NULL 8 Using where; FirstMatch(ot1) 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE it2 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(ot2) SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1) AND ot2.a IN (SELECT a FROM it2); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL # Example SQ3.4 explain SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND (ot1.a, ot2.a) IN (SELECT it1.a, it2.a FROM it1 JOIN it2 ON it1.a=it2.a); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE it2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE it1 ALL NULL NULL NULL NULL 8 Using where; FirstMatch(ot2) SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND (ot1.a, ot2.a) IN (SELECT it1.a, it2.a FROM it1 JOIN it2 ON it1.a=it2.a); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL # More test cases SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it3); a a 0 0 1 NULL 2 NULL 3 NULL 4 NULL 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it3); a a 0 0 1 NULL 2 NULL 3 NULL 4 NULL 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 AND ot2.a IN (SELECT a FROM it2); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot2.a IN (SELECT a+0 FROM it2); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a+0 FROM it1) AND ot2.a IN (SELECT a+0 FROM it2); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 AND (ot1.a, ot2.a) IN (SELECT it1.a+0, it2.a+0 FROM it1 JOIN it2 ON it1.a=it2.a); a a 0 0 1 NULL 2 2 3 NULL 4 4 5 NULL 6 6 7 NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it3) LEFT JOIN ot3 ON ot2.a=ot3.a AND ot3.a IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN ot2 ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it3) LEFT JOIN ot3 ON ot2.a=ot3.a+0 AND ot3.a IN (SELECT a FROM it3); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL # Test cases, Subquery Pattern 4 # Example SQ4.1: explain SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE it1 ALL NULL NULL NULL NULL 8 Using where; FirstMatch(ot1) 1 SIMPLE ot3 ALL NULL NULL NULL NULL 3 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL # Example SQ4.2: explain SELECT * FROM ot1 JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot3 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 1 SIMPLE eq_ref 5 test.ot3.a 1 NULL 2 MATERIALIZED it1 ALL NULL NULL NULL NULL 8 NULL SELECT * FROM ot1 JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 6 6 6 # Example SQ4.3: explain SELECT * FROM ot1 JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE ot3 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 Using where 1 SIMPLE eq_ref 5 test.ot2.a 1 NULL 2 MATERIALIZED it1 ALL NULL NULL NULL NULL 8 NULL SELECT * FROM ot1 JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 2 2 NULL 4 4 NULL 6 6 6 # Example SQ4.4: explain SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE it1 ALL NULL NULL NULL NULL 8 Using where; FirstMatch(ot1) 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE ot3 ALL NULL NULL NULL NULL 3 Using where SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL NULL 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL # More test cases SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a+0) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it1); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a+0) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 6 6 6 SELECT * FROM ot1 JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 6 6 6 SELECT * FROM ot1 JOIN (ot2 JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it1); a a a 0 0 0 6 6 6 SELECT * FROM ot1 JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a+0) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 2 2 NULL 4 4 NULL 6 6 6 SELECT * FROM ot1 JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 2 2 NULL 4 4 NULL 6 6 6 SELECT * FROM ot1 JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it1); a a a 0 0 0 2 2 NULL 4 4 NULL 6 6 6 SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a+0) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL NULL 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a+0 AND ot1.a IN (SELECT a FROM it1); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL NULL 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a+0 FROM it1); a a a 0 0 0 1 NULL NULL 2 2 NULL 3 NULL NULL 4 4 NULL 5 NULL NULL 6 6 6 7 NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1) LEFT JOIN ot1 AS ot4 ON ot2.a=ot4.a; a a a a 0 0 0 0 1 NULL NULL NULL 2 2 NULL 2 3 NULL NULL NULL 4 4 NULL 4 5 NULL NULL NULL 6 6 6 6 7 NULL NULL NULL SELECT * FROM ot1 LEFT JOIN (ot2 LEFT JOIN ot3 ON ot2.a=ot3.a LEFT JOIN ot1 AS ot4 ON ot3.a=ot4.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a FROM it1); a a a a 0 0 0 0 1 NULL NULL NULL 2 2 NULL NULL 3 NULL NULL NULL 4 4 NULL NULL 5 NULL NULL NULL 6 6 6 6 7 NULL NULL NULL DROP TABLE ot1,ot2,ot3,it1,it2,it3; CREATE TABLE t ( a INTEGER DEFAULT NULL ) ENGINE=InnoDB; INSERT INTO t VALUES (1); CREATE TABLE t2 ( a INTEGER DEFAULT NULL ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1),(1); CREATE TABLE t4 ( a INTEGER DEFAULT NULL ) ENGINE=InnoDB; INSERT INTO t4 VALUES (1),(1); CREATE TABLE v ( a INTEGER DEFAULT NULL ) ENGINE=InnoDB; INSERT INTO v VALUES (1),(1); explain SELECT * FROM t AS t1 LEFT JOIN (t2 LEFT JOIN t AS t3 ON t3.a IN (SELECT a FROM t AS it) JOIN t4 ON t4.a=100 ) ON TRUE WHERE t1.a IN (SELECT * FROM v AS it2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE it2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE it ALL NULL NULL NULL NULL 1 Using where; FirstMatch(t3) 1 SIMPLE t4 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t AS t1 LEFT JOIN (t2 LEFT JOIN t AS t3 ON t3.a IN (SELECT a FROM t AS it) JOIN t4 ON t4.a=100 ) ON TRUE WHERE t1.a IN (SELECT * FROM v AS it2); a a a a 1 NULL NULL NULL DROP TABLE t,t2,t4,v; # End of WL#5561 # # Bug#48868: Left outer join in subquery causes segmentation fault in # make_join_select. # CREATE TABLE t1 (i INTEGER); INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (2); CREATE TABLE t2 (i INTEGER); INSERT INTO t2 VALUES(1); CREATE TABLE t3 (i INTEGER); INSERT INTO t3 VALUES (1); INSERT INTO t3 VALUES (2); SELECT * FROM t1 WHERE (t1.i) IN (SELECT t2.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i); i 1 DROP TABLE t1, t2, t3; Bug#37899: Wrongly checked optimization prerequisite caused failed assertion. CREATE TABLE t1 ( `pk` int(11), `varchar_nokey` varchar(5) ); INSERT INTO t1 VALUES (1,'qk'),(2,'j'),(3,'aew'); SELECT * FROM t1 WHERE varchar_nokey IN ( SELECT varchar_nokey FROM t1 ) XOR pk = 30; pk varchar_nokey 1 qk 2 j 3 aew drop table t1; # # BUG#41842: Semi-join materialization strategy crashes when the upper query has HAVING # CREATE TABLE t1 ( pk int(11) NOT NULL AUTO_INCREMENT, int_nokey int(11) NOT NULL, time_key time NOT NULL, datetime_key datetime NOT NULL, datetime_nokey datetime NOT NULL, varchar_key varchar(1) NOT NULL, varchar_nokey varchar(1) NOT NULL, PRIMARY KEY (pk), KEY time_key (time_key), KEY datetime_key (datetime_key), KEY varchar_key (varchar_key) ); INSERT INTO t1 VALUES (1,0, '00:16:10','2008-09-03 14:25:40','2008-09-03 14:25:40','h','h'), (2,7, '00:00:00','2001-01-13 00:00:00','2001-01-13 00:00:00','',''), (3,0, '00:00:00','0000-00-00 00:00:00','0000-00-00 00:00:00','x','x'), (4,2, '16:29:24','2000-10-16 01:39:08','2000-10-16 01:39:08','w','w'), (5,1, '09:23:32','0000-00-00 00:00:00','0000-00-00 00:00:00','p','p'), (6,3, '00:00:00','2007-12-02 00:00:00','2007-12-02 00:00:00','o','o'), (7,3, '00:00:00','2008-09-11 00:00:00','2008-09-11 00:00:00','',''), (8,0, '13:59:04','0000-00-00 00:00:00','0000-00-00 00:00:00','s','s'), (9,7, '09:01:06','0000-00-00 00:00:00','0000-00-00 00:00:00','d','d'), (10,5,'00:00:00','0000-00-00 00:00:00','0000-00-00 00:00:00','n','n'), (11,0,'21:06:46','0000-00-00 00:00:00','0000-00-00 00:00:00','o','o'), (12,2,'00:00:00','0000-00-00 00:00:00','0000-00-00 00:00:00','',''), (13,6,'14:45:34','2003-07-28 02:34:08','2003-07-28 02:34:08','w','w'), (14,1,'15:04:12','0000-00-00 00:00:00','0000-00-00 00:00:00','o','o'), (15,0,'00:00:00','0000-00-00 00:00:00','0000-00-00 00:00:00','x','x'), (16,0,'15:55:23','2004-03-17 00:32:27','2004-03-17 00:32:27','p','p'), (17,1,'16:30:00','2004-12-27 19:20:00','2004-12-27 19:20:00','d','d'), (18,0,'00:00:00','0000-00-00 00:00:00','0000-00-00 00:00:00','h','h'), (19,0,'14:13:26','2008-11-09 05:53:48','2008-11-09 05:53:48','o','o'), (20,0,'00:00:00','2009-10-11 06:58:04','2009-10-11 06:58:04','k','k'); CREATE TABLE t2 ( pk int(11) NOT NULL AUTO_INCREMENT, int_nokey int(11) NOT NULL, time_key time NOT NULL, datetime_key datetime NOT NULL, datetime_nokey datetime NOT NULL, varchar_key varchar(1) NOT NULL, varchar_nokey varchar(1) NOT NULL, PRIMARY KEY (pk), KEY time_key (time_key), KEY datetime_key (datetime_key), KEY varchar_key (varchar_key) ); INSERT INTO t2 VALUES (10,0,'19:39:13','0000-00-00 00:00:00','0000-00-00 00:00:00','g','g'), (11,8,'03:43:53','0000-00-00 00:00:00','0000-00-00 00:00:00','b','b'); SELECT OUTR.datetime_nokey AS X FROM t1 AS OUTR WHERE OUTR.varchar_nokey IN (SELECT INNR . varchar_nokey AS Y FROM t2 AS INNR WHERE INNR . datetime_key >= INNR . time_key OR INNR . pk = INNR . int_nokey ) AND OUTR . varchar_nokey <= 'w' HAVING X > '2012-12-12'; X drop table t1, t2; Bug#46797 "Crash in fix_semijoin_strategies_for_picked_join_order with semijoin=on" CREATE TABLE t1 ( varchar_key varchar(1) DEFAULT NULL, KEY varchar_key (varchar_key) ); CREATE TABLE t2 ( varchar_key varchar(1) DEFAULT NULL, KEY varchar_key (varchar_key) ); INSERT INTO t2 VALUES (NULL),(NULL),(NULL),(NULL),('a'),('a'),('a'),('b'),('b'),('b'),('b'),('c'), ('c'),('c'),('c'),('c'),('c'),('c'),('d'),('d'),('d'),('d'),('d'),('d'),('e'), ('e'),('e'),('e'),('e'),('e'),('f'),('f'),('f'),('g'),('g'),('h'),('h'),('h'), ('h'),('i'),('j'),('j'),('j'),('k'),('k'),('l'),('l'),('m'),('m'),('m'),('m'), ('n'),('n'),('n'),('o'),('o'),('o'),('p'),('p'),('p'),('q'),('q'),('q'),('r'), ('r'),('r'),('r'),('s'),('s'),('s'),('s'),('t'),('t'),('t'),('t'),('u'),('u'), ('u'),('u'),('v'),('v'),('v'),('v'),('w'),('w'),('w'),('w'),('w'),('w'),('x'), ('x'),('x'),('y'),('y'),('y'),('y'),('z'),('z'),('z'),('z'); CREATE TABLE t3 ( varchar_key varchar(1) DEFAULT NULL, KEY varchar_key (varchar_key) ) ENGINE=MyISAM DEFAULT CHARSET=latin1; INSERT INTO t3 VALUES (NULL),('c'),('d'),('e'),('f'),('h'),('j'),('k'),('k'),('m'),('m'),('m'), ('n'),('o'),('r'),('t'),('t'),('u'),('w'),('y'); SELECT varchar_key FROM t3 WHERE (SELECT varchar_key FROM t3 WHERE (varchar_key,varchar_key) IN (SELECT t1.varchar_key, t2 .varchar_key FROM t1 RIGHT JOIN t2 ON t1.varchar_key ) ); varchar_key DROP TABLE t1, t2, t3; # # Bug#46556 Returning incorrect, empty results for some IN subqueries # w/semijoin=on # CREATE TABLE t0 ( pk INTEGER, vkey VARCHAR(1), vnokey VARCHAR(1), PRIMARY KEY (pk), KEY vkey(vkey) ); INSERT INTO t0 VALUES (1,'g','g'), (2,'v','v'), (3,'t','t'), (4,'u','u'), (5,'n','n'); EXPLAIN EXTENDED SELECT vkey FROM t0 WHERE pk IN (SELECT t1.pk FROM t0 t1 JOIN t0 t2 ON t2.vkey = t1.vnokey); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t0 ALL PRIMARY NULL NULL NULL 5 100.00 NULL 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t0.pk 1 100.00 Using where; Using join buffer (Batched Key Access) 1 SIMPLE t2 ref vkey vkey 4 test.t1.vnokey 2 100.00 Using index; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t0`.`vkey` AS `vkey` from `test`.`t0` `t1` semi join (`test`.`t0` `t2`) join `test`.`t0` where ((`test`.`t2`.`vkey` = `test`.`t1`.`vnokey`) and (`test`.`t1`.`pk` = `test`.`t0`.`pk`)) SELECT vkey FROM t0 WHERE pk IN (SELECT t1.pk FROM t0 t1 JOIN t0 t2 ON t2.vkey = t1.vnokey); vkey g v t u n DROP TABLE t0; # End of bug#46556 Bug#48834: Procedure with view + subquery + semijoin=on crashes on second call. CREATE TABLE t1 ( t1field integer, primary key (t1field)); CREATE TABLE t2 ( t2field integer, primary key (t2field)); CREATE VIEW v1 AS SELECT t1field as v1field FROM t1 A WHERE A.t1field IN (SELECT t1field FROM t2 ); CREATE VIEW v2 AS SELECT t2field as v2field FROM t2 A WHERE A.t2field IN (SELECT t2field FROM t2 ); CREATE PROCEDURE p1 () BEGIN SELECT v1field FROM v1 WHERE v1field IN ( SELECT v2field as vf_inner FROM v2 ); END| INSERT INTO t1 VALUES (1),(2),(3); INSERT INTO t2 VALUES (2),(3),(4); CALL p1; v1field 2 3 CALL p1; v1field 2 3 DROP TABLE t1,t2; DROP VIEW v1,v2; DROP PROCEDURE p1; # End of BUG#48834 # # Bug#46692 "Crash occurring on queries with nested FROM subqueries # using materialization." # CREATE TABLE t1 ( pk INTEGER PRIMARY KEY, int_key INTEGER, KEY int_key(int_key) ); INSERT INTO t1 VALUES (10,186),(11,NULL),(12,2),(13,3),(14,0),(15,133),(16,1); CREATE TABLE t2 ( pk INTEGER PRIMARY KEY, int_key INTEGER, KEY int_key(int_key) ); INSERT INTO t2 VALUES (1,7),(2,2); SELECT * FROM t1 WHERE (140, 4) IN (SELECT t2.int_key, t2 .pk FROM t2 STRAIGHT_JOIN t1 ON t2.int_key); pk int_key DROP TABLE t1, t2; # # Bug#42353 "SELECT ... WHERE oe IN (SELECT w/ LEFT JOIN) query # causes crash." # CREATE TABLE t1 ( pk INTEGER PRIMARY KEY, int_nokey INTEGER, int_key INTEGER, date_key DATE, datetime_nokey DATETIME, varchar_nokey VARCHAR(1) ); CREATE TABLE t2 ( date_nokey DATE ); CREATE TABLE t3 ( pk INTEGER PRIMARY KEY, int_nokey INTEGER, date_key date, varchar_key VARCHAR(1), varchar_nokey VARCHAR(1), KEY date_key (date_key) ); SELECT date_key FROM t1 WHERE (int_key, int_nokey) IN (SELECT t3.int_nokey, t3.pk FROM t2 LEFT JOIN t3 ON (t2.date_nokey < t3.date_key) WHERE t3.varchar_key <= t3.varchar_nokey OR t3.int_nokey <= t3.pk ) AND (varchar_nokey <> 'f' OR NOT int_key < 7); date_key # # Bug#45933 "Crash in optimize_semijoin_nests on JOIN in subquery # + AND in outer query". # INSERT INTO t1 VALUES (10,7,5,'2009-06-16','2002-04-10 14:25:30','w'), (11,7,0,'0000-00-00','0000-00-00 00:00:00','s'), (12,4,0,'2003-07-14','2006-09-14 04:01:02','y'), (13,0,4,'2002-07-25','0000-00-00 00:00:00','c'), (14,1,8,'2007-07-03','0000-00-00 00:00:00','q'), (15,6,5,'2001-11-12','0000-00-00 00:00:00',''), (16,2,9,'0000-00-00','0000-00-00 00:00:00','j'), (29,9,1,'0000-00-00','2003-08-11 00:00:00','m'); INSERT INTO t3 VALUES (1,9,'0000-00-00','b','b'), (2,2,'2002-09-17','h','h'); SELECT t1.varchar_nokey FROM t1 JOIN t3 ON t1.datetime_nokey WHERE t1.varchar_nokey IN (SELECT varchar_nokey FROM t1 WHERE (pk) IN (SELECT t3.int_nokey FROM t3 LEFT JOIN t1 ON t1.varchar_nokey WHERE t3.date_key BETWEEN '2008-06-07' AND '2006-06-26' ) ); varchar_nokey DROP TABLE t1, t2, t3; # # Bug#45219 "Crash on SELECT DISTINCT query containing a # LEFT JOIN in subquery" # CREATE TABLE t1 ( pk INTEGER NOT NULL, int_nokey INTEGER NOT NULL, datetime_key DATETIME NOT NULL, varchar_key VARCHAR(1) NOT NULL, PRIMARY KEY (pk), KEY datetime_key (datetime_key), KEY varchar_key (varchar_key) ); INSERT INTO t1 VALUES (1,9,'0000-00-00 00:00:00','p'),(2,0,'2002-02-09 07:38:13','v'), (3,8,'2001-05-03 12:08:14','t'),(4,3,'0000-00-00 00:00:00','u'), (5,7,'2009-07-28 03:43:30','n'),(6,0,'2009-08-04 00:00:00','l'), (7,1,'0000-00-00 00:00:00','h'),(8,9,'0000-00-00 00:00:00','u'), (9,0,'2005-08-02 17:16:54','n'),(10,9,'2002-12-21 00:00:00','j'), (11,0,'2005-08-15 12:37:35','k'),(12,5,'0000-00-00 00:00:00','e'), (13,0,'2006-03-10 00:00:00','i'),(14,8,'2005-05-16 11:02:36','u'), (15,8,'2008-11-02 00:00:00','n'),(16,5,'2006-03-15 00:00:00','b'), (17,1,'0000-00-00 00:00:00','x'),(18,7,'0000-00-00 00:00:00',''), (19,0,'2008-12-17 20:15:40','q'),(20,9,'0000-00-00 00:00:00','u'); CREATE TABLE t2 LIKE t1; INSERT INTO t2 VALUES (10,0,'2006-07-07 07:26:28','q'),(11,5,'2002-09-23 00:00:00','m'), (12,7,'0000-00-00 00:00:00','j'),(13,1,'2006-06-07 00:00:00','z'), (14,8,'2000-09-16 12:15:34','a'),(15,2,'2007-08-05 15:47:52',''), (16,1,'0000-00-00 00:00:00','e'),(17,8,'2005-12-02 19:34:26','t'), (18,5,'0000-00-00 00:00:00','q'),(19,4,'0000-00-00 00:00:00','b'), (20,5,'2007-12-28 00:00:00','w'),(21,3,'2004-08-02 11:48:43','m'), (22,0,'0000-00-00 00:00:00','x'),(23,8,'2004-04-19 12:18:43',''), (24,0,'2009-04-27 00:00:00','w'),(25,4,'2006-10-20 14:52:15','x'), (26,0,'0000-00-00 00:00:00','e'),(27,0,'2002-03-22 11:48:37','e'), (28,2,'0000-00-00 00:00:00','p'),(29,0,'2001-01-04 03:55:07','x'); CREATE TABLE t3 LIKE t1; INSERT INTO t3 VALUES (10,8,'2007-08-19 08:08:38','i'),(11,0,'2000-05-21 03:51:51',''); SELECT DISTINCT datetime_key FROM t1 WHERE (int_nokey, pk) IN (SELECT t3.pk, t3.pk FROM t2 LEFT JOIN t3 ON t3.varchar_key) AND pk = 9; datetime_key DROP TABLE t1, t2, t3; # # Bug#46550 Azalea returning duplicate results for some IN subqueries # w/ semijoin=on # DROP TABLE IF EXISTS t0, t1, t2; CREATE TABLE t0 ( int_key int(11) DEFAULT NULL, varchar_key varchar(1) DEFAULT NULL, varchar_nokey varchar(1) DEFAULT NULL, KEY int_key (int_key), KEY varchar_key (varchar_key,int_key) ); INSERT INTO t0 VALUES (1,'m','m'), (40,'h','h'), (1,'r','r'), (1,'h','h'), (9,'x','x'), (NULL,'q','q'), (NULL,'k','k'), (7,'l','l'), (182,'k','k'), (202,'a','a'), (7,'x','x'), (6,'j','j'), (119,'z','z'), (4,'d','d'), (5,'h','h'), (1,'u','u'), (3,'q','q'), (7,'a','a'), (3,'e','e'), (6,'l','l'); CREATE TABLE t1 ( int_key int(11) DEFAULT NULL, varchar_key varchar(1) DEFAULT NULL, varchar_nokey varchar(1) DEFAULT NULL, KEY int_key (int_key), KEY varchar_key (varchar_key,int_key) ); INSERT INTO t1 VALUES (7,NULL,NULL),(4,'x','x'); CREATE TABLE t2 ( int_key int(11) DEFAULT NULL, varchar_key varchar(1) DEFAULT NULL, varchar_nokey varchar(1) DEFAULT NULL, KEY int_key (int_key), KEY varchar_key (varchar_key,int_key) ); INSERT INTO t2 VALUES (123,NULL,NULL); SELECT int_key FROM t0 WHERE varchar_nokey IN ( SELECT t1 .varchar_key from t1 ); int_key 9 7 SELECT t0.int_key FROM t0 WHERE t0.varchar_nokey IN ( SELECT t1_1 .varchar_key FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key ); int_key 9 7 EXPLAIN SELECT t0.int_key FROM t0 WHERE t0.varchar_nokey IN ( SELECT t1_1 .varchar_key FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t0 ALL NULL NULL NULL NULL 20 Using where 2 MATERIALIZED t1_1 index varchar_key varchar_key 9 NULL 2 Using where; Using index 2 MATERIALIZED t1_2 index NULL int_key 5 NULL 2 Using index SELECT t0.int_key FROM t0, t2 WHERE t0.varchar_nokey IN ( SELECT t1_1 .varchar_key FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key ); int_key 9 7 EXPLAIN SELECT t0.int_key FROM t0, t2 WHERE t0.varchar_nokey IN ( SELECT t1_1 .varchar_key FROM t1 AS t1_1 JOIN t1 AS t1_2 ON t1_1 .int_key ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 system NULL NULL NULL NULL 1 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t0 ALL NULL NULL NULL NULL 20 Using where 2 MATERIALIZED t1_1 index varchar_key varchar_key 9 NULL 2 Using where; Using index 2 MATERIALIZED t1_2 index NULL int_key 5 NULL 2 Using index DROP TABLE t0, t1, t2; # End of bug#46550 Bug #48073 Subquery on char columns from view crashes Mysql DROP TABLE IF EXISTS t1, t2; DROP VIEW IF EXISTS v1; CREATE TABLE t1 ( city VARCHAR(50) NOT NULL, country_id SMALLINT UNSIGNED NOT NULL ); INSERT INTO t1 VALUES ('Batna',2), ('Bchar',2), ('Skikda',2), ('Tafuna',3), ('Algeria',2) ; CREATE TABLE t2 ( country_id SMALLINT UNSIGNED NOT NULL, country VARCHAR(50) NOT NULL ); INSERT INTO t2 VALUES (2,'Algeria'), (3,'American Samoa') ; CREATE VIEW v1 AS SELECT country_id, country FROM t2 WHERE LEFT(country,1) = "A" ; SELECT city, country_id FROM t1 WHERE city IN ( SELECT country FROM t2 WHERE LEFT(country, 1) = "A" ); city country_id Algeria 2 SELECT city, country_id FROM t1 WHERE city IN ( SELECT country FROM v1 ); city country_id Algeria 2 drop table t1, t2; drop view v1; # End of bug#48073 Bug#49097 subquery with view generates wrong result with non-prepared statement DROP TABLE IF EXISTS t1, t2; DROP VIEW IF EXISTS v1; CREATE TABLE t1 ( city VARCHAR(50) NOT NULL, country_id SMALLINT UNSIGNED NOT NULL ); INSERT INTO t1 VALUES ('Batna',2), ('Bchar',2), ('Skikda',2), ('Tafuna',3), ('Algeria',2) ; CREATE TABLE t2 ( country_id SMALLINT UNSIGNED NOT NULL, country VARCHAR(50) NOT NULL ); INSERT INTO t2 VALUES (2,'Algeria'), (3,'XAmerican Samoa') ; CREATE VIEW v1 AS SELECT country_id, country FROM t2 WHERE LEFT(country,1) = "A" ; SELECT city, country_id FROM t1 WHERE country_id IN ( SELECT country_id FROM t2 WHERE LEFT(country,1) = "A" ); city country_id Batna 2 Bchar 2 Skikda 2 Algeria 2 SELECT city, country_id FROM t1 WHERE country_id IN ( SELECT country_id FROM v1 ); city country_id Batna 2 Bchar 2 Skikda 2 Algeria 2 PREPARE stmt FROM " SELECT city, country_id FROM t1 WHERE country_id IN ( SELECT country_id FROM v1 ); "; execute stmt; city country_id Batna 2 Bchar 2 Skikda 2 Algeria 2 deallocate prepare stmt; drop table t1, t2; drop view v1; # End of Bug#49097 # # Bug#49198 Wrong result for second call of procedure # with view in subselect. # CREATE TABLE t1 (t1field integer, primary key (t1field)); CREATE TABLE t2 (t2field integer, primary key (t2field)); CREATE TABLE t3 (t3field integer, primary key (t3field)); CREATE VIEW v2 AS SELECT * FROM t2; CREATE VIEW v3 AS SELECT * FROM t3; INSERT INTO t1 VALUES(1),(2); INSERT INTO t2 VALUES(1),(2); INSERT INTO t3 VALUES(1),(2); PREPARE stmt FROM " SELECT t1field FROM t1 WHERE t1field IN (SELECT * FROM v2); "; EXECUTE stmt; t1field 1 2 EXECUTE stmt; t1field 1 2 PREPARE stmt FROM " EXPLAIN SELECT t1field FROM t1 WHERE t1field IN (SELECT * FROM v2) AND t1field IN (SELECT * FROM v3) "; EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index DROP TABLE t1, t2, t3; DROP VIEW v2, v3; # End of Bug#49198 # # Bug#48623 Multiple subqueries are optimized incorrectly # CREATE TABLE ot(val VARCHAR(10)); CREATE TABLE it1(val VARCHAR(10)); CREATE TABLE it2(val VARCHAR(10)); INSERT INTO ot VALUES('aaa'), ('bbb'), ('eee'), ('mmm'), ('ppp'); INSERT INTO it1 VALUES('aaa'), ('aaa'), ('bbb'), ('eee'), ('mmm'), ('ppp'); INSERT INTO it2 VALUES('aaa'), ('bbb'), ('eee'), ('mmm'), ('ppp'); EXPLAIN SELECT * FROM ot WHERE ot.val IN (SELECT it1.val FROM it1 WHERE it1.val LIKE 'a%' OR it1.val LIKE 'e%') AND ot.val IN (SELECT it2.val FROM it2 WHERE it2.val LIKE 'a%' OR it2.val LIKE 'e%'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 13 test.ot.val 1 NULL 1 SIMPLE eq_ref 13 test.ot.val 1 NULL 3 MATERIALIZED it2 ALL NULL NULL NULL NULL 5 Using where 2 MATERIALIZED it1 ALL NULL NULL NULL NULL 6 Using where SELECT * FROM ot WHERE ot.val IN (SELECT it1.val FROM it1 WHERE it1.val LIKE 'a%' OR it1.val LIKE 'e%') AND ot.val IN (SELECT it2.val FROM it2 WHERE it2.val LIKE 'a%' OR it2.val LIKE 'e%'); val aaa eee DROP TABLE ot; DROP TABLE it1; DROP TABLE it2; # End of Bug#48623 # # Bug #51487 Assertion failure when semi-join flattening occurs # for a subquery in HAVING # CREATE TABLE t1 (a INT, b INT); INSERT INTO t1 VALUES (1,10),(2,11),(1,13); CREATE TABLE t2 AS SELECT * FROM t1; CREATE TABLE t3 AS SELECT * FROM t1; SELECT COUNT(*) FROM t1 GROUP BY t1.a HAVING t1.a IN (SELECT t3.a FROM t3 WHERE t3.b IN (SELECT b FROM t2 WHERE t2.a=t1.a)); COUNT(*) 2 1 DROP TABLE t1, t2, t3; # End of Bug#51487 # # BUG#38075: Wrong result: rows matching a subquery with outer join not returned # DROP TABLE IF EXISTS ot1, it1, it2; CREATE TABLE it2 ( int_key int(11) NOT NULL, datetime_key datetime NOT NULL, KEY int_key (int_key), KEY datetime_key (datetime_key) ); INSERT INTO it2 VALUES (5,'2002-04-10 14:25:30'), (0,'0000-00-00 00:00:00'), (0,'2006-09-14 04:01:02'), (4,'0000-00-00 00:00:00'), (8,'0000-00-00 00:00:00'), (5,'0000-00-00 00:00:00'), (9,'0000-00-00 00:00:00'), (8,'2007-04-01 11:04:17'), (1,'0000-00-00 00:00:00'), (7,'2009-01-12 00:00:00'), (0,'2009-06-05 00:00:00'), (3,'2006-02-14 18:06:35'), (5,'2006-02-21 07:08:16'), (0,'0000-00-00 00:00:00'), (7,'0000-00-00 00:00:00'), (0,'0000-00-00 00:00:00'), (0,'2007-02-13 00:00:00'), (1,'0000-00-00 00:00:00'), (0,'0000-00-00 00:00:00'), (1,'2003-08-11 00:00:00'); CREATE TABLE ot1 ( int_nokey int(11) NOT NULL, int_key int(11) NOT NULL, KEY int_key (int_key) ); INSERT INTO ot1 VALUES (5,0), (3,0), (0,2), (3,0), (1,3), (0,0), (1,7), (7,0), (1,7), (0,7), (0,9), (8,2), (4,4), (9,3), (0,9), (2,5), (0,5), (8,0), (5,8), (1,5); CREATE TABLE it1 ( int_nokey int(11) NOT NULL, int_key int(11) NOT NULL, KEY int_key (int_key) ); INSERT INTO it1 VALUES (9,5), (0,4); SELECT int_key FROM ot1 WHERE int_nokey IN (SELECT it2.int_key FROM it1 LEFT JOIN it2 ON it2.datetime_key); int_key 0 0 0 0 0 0 2 2 3 5 5 7 7 7 8 9 9 EXPLAIN SELECT int_key FROM ot1 WHERE int_nokey IN (SELECT it2.int_key FROM it1 LEFT JOIN it2 ON it2.datetime_key); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE it1 index NULL int_key 4 NULL 2 Using index; Start temporary 1 SIMPLE ot1 ALL NULL NULL NULL NULL 20 NULL 1 SIMPLE it2 ref int_key int_key 4 test.ot1.int_nokey 2 Using where; End temporary; Using join buffer (Batched Key Access) DROP TABLE ot1, it1, it2; # End of BUG#38075 # # BUG#50089: Second call of procedure with view in subselect crashes server # CREATE TABLE t1(t1field INTEGER, PRIMARY KEY(t1field)); CREATE VIEW v1 AS SELECT t1field AS v1field FROM t1 a WHERE a.t1field IN (SELECT t1field FROM t1); INSERT INTO t1 VALUES(1),(2); SELECT t1field FROM t1 WHERE t1field IN (SELECT v1field FROM v1); t1field 1 2 EXPLAIN SELECT t1field FROM t1 WHERE t1field IN (SELECT v1field FROM v1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index 1 SIMPLE a eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index SELECT t1.t1field FROM t1 LEFT JOIN t1 AS t2 ON t1.t1field IN (SELECT v1field FROM v1); t1field 1 1 2 2 EXPLAIN SELECT t1field FROM t1 WHERE t1field IN (SELECT v1field FROM v1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index 1 SIMPLE a eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t1.t1field 1 Using index CREATE PROCEDURE p1() BEGIN SELECT t1field FROM t1 WHERE t1field IN (SELECT v1field FROM v1); END| CALL p1; t1field 1 2 CALL p1; t1field 1 2 PREPARE stmt FROM " SELECT t1field FROM t1 WHERE t1field IN (SELECT v1field FROM v1); "; EXECUTE stmt; t1field 1 2 EXECUTE stmt; t1field 1 2 DROP PROCEDURE p1; DROP VIEW v1; DROP TABLE t1; # End of BUG#50089 # # Bug#45191: Incorrectly initialized semi-join led to a wrong result. # CREATE TABLE STAFF (EMPNUM CHAR(3) NOT NULL, EMPNAME CHAR(20), GRADE DECIMAL(4), CITY CHAR(15)); CREATE TABLE PROJ (PNUM CHAR(3) NOT NULL, PNAME CHAR(20), PTYPE CHAR(6), BUDGET DECIMAL(9), CITY CHAR(15)); CREATE TABLE WORKS (EMPNUM CHAR(3) NOT NULL, PNUM CHAR(3) NOT NULL, HOURS DECIMAL(5)); INSERT INTO STAFF VALUES ('E1','Alice',12,'Deale'); INSERT INTO STAFF VALUES ('E2','Betty',10,'Vienna'); INSERT INTO STAFF VALUES ('E3','Carmen',13,'Vienna'); INSERT INTO STAFF VALUES ('E4','Don',12,'Deale'); INSERT INTO STAFF VALUES ('E5','Ed',13,'Akron'); INSERT INTO PROJ VALUES ('P1','MXSS','Design',10000,'Deale'); INSERT INTO PROJ VALUES ('P2','CALM','Code',30000,'Vienna'); INSERT INTO PROJ VALUES ('P3','SDP','Test',30000,'Tampa'); INSERT INTO PROJ VALUES ('P4','SDP','Design',20000,'Deale'); INSERT INTO PROJ VALUES ('P5','IRM','Test',10000,'Vienna'); INSERT INTO PROJ VALUES ('P6','PAYR','Design',50000,'Deale'); INSERT INTO WORKS VALUES ('E1','P1',40); INSERT INTO WORKS VALUES ('E1','P2',20); INSERT INTO WORKS VALUES ('E1','P3',80); INSERT INTO WORKS VALUES ('E1','P4',20); INSERT INTO WORKS VALUES ('E1','P5',12); INSERT INTO WORKS VALUES ('E1','P6',12); INSERT INTO WORKS VALUES ('E2','P1',40); INSERT INTO WORKS VALUES ('E2','P2',80); INSERT INTO WORKS VALUES ('E3','P2',20); INSERT INTO WORKS VALUES ('E4','P2',20); INSERT INTO WORKS VALUES ('E4','P4',40); INSERT INTO WORKS VALUES ('E4','P5',80); explain SELECT EMPNUM, EMPNAME FROM STAFF WHERE EMPNUM IN (SELECT EMPNUM FROM WORKS WHERE PNUM IN (SELECT PNUM FROM PROJ)); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE STAFF ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.STAFF.EMPNUM 1 NULL 2 MATERIALIZED PROJ ALL NULL NULL NULL NULL 6 NULL 2 MATERIALIZED WORKS ALL NULL NULL NULL NULL 12 Using where SELECT EMPNUM, EMPNAME FROM STAFF WHERE EMPNUM IN (SELECT EMPNUM FROM WORKS WHERE PNUM IN (SELECT PNUM FROM PROJ)); EMPNUM EMPNAME E1 Alice E2 Betty E3 Carmen E4 Don drop table STAFF,WORKS,PROJ; # End of bug#45191 # # BUG#36896: Server crash on SELECT FROM DUAL # create table t1 (a int); select 1 as res from dual where (1) in (select * from t1); res drop table t1; BUG#40118 Crash when running Batched Key Access and requiring one match for each key create table t0(a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (a int, key(a)); insert into t1 select * from t0; alter table t1 add b int not null, add filler char(200); insert into t1 select * from t1; insert into t1 select * from t1; select * from t0 where t0.a in (select t1.a from t1 where t1.b=0); a 0 1 2 3 4 5 6 7 8 9 drop table t0, t1; # # BUG#32665 Query with dependent subquery is too slow # create table t1 ( idIndividual int primary key ); insert into t1 values (1),(2); create table t2 ( idContact int primary key, contactType int, idObj int ); insert into t2 values (1,1,1),(2,2,2),(3,3,3); create table t3 ( idAddress int primary key, idContact int, postalStripped varchar(100) ); insert into t3 values (1,1, 'foo'), (2,2,'bar'); The following must be converted to a semi-join: explain extended SELECT a.idIndividual FROM t1 a WHERE a.idIndividual IN ( SELECT c.idObj FROM t3 cona INNER JOIN t2 c ON c.idContact=cona.idContact WHERE cona.postalStripped='T2H3B2' ); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 Using where 1 SIMPLE a eq_ref PRIMARY PRIMARY 4 .idObj 1 100.00 Using index 2 MATERIALIZED cona ALL NULL NULL NULL NULL 2 100.00 Using where 2 MATERIALIZED c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using join buffer (Batched Key Access) Warnings: Note 1003 /* select#1 */ select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = ``.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2')) drop table t1,t2,t3; CREATE TABLE t1 (one int, two int, flag char(1)); CREATE TABLE t2 (one int, two int, flag char(1)); INSERT INTO t1 VALUES(1,2,'Y'),(2,3,'Y'),(3,4,'Y'),(5,6,'N'),(7,8,'N'); INSERT INTO t2 VALUES(1,2,'Y'),(2,3,'Y'),(3,4,'Y'),(5,6,'N'),(7,8,'N'); SELECT * FROM t1 WHERE ROW(one,two) IN (SELECT DISTINCT one,two FROM t2 WHERE flag = 'N'); one two flag 5 6 N 7 8 N SELECT * FROM t1 WHERE ROW(one,two) IN (SELECT DISTINCT one,two FROM t1 WHERE flag = 'N'); one two flag 5 6 N 7 8 N insert into t2 values (null,null,'N'); insert into t2 values (null,3,'0'); insert into t2 values (null,5,'0'); insert into t2 values (10,null,'0'); insert into t1 values (10,3,'0'); insert into t1 values (10,5,'0'); insert into t1 values (10,10,'0'); SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N') as 'test' from t1; one two test 1 2 NULL 2 3 NULL 3 4 NULL 5 6 1 7 8 1 10 3 NULL 10 5 NULL 10 10 NULL SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); one two 5 6 7 8 SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N' group by one,two) as 'test' from t1; one two test 1 2 NULL 2 3 NULL 3 4 NULL 5 6 1 7 8 1 10 3 NULL 10 5 NULL 10 10 NULL SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0') as 'test' from t1; one two test 1 2 0 2 3 NULL 3 4 0 5 6 0 7 8 0 10 3 NULL 10 5 NULL 10 10 NULL SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; one two test 1 2 0 2 3 NULL 3 4 0 5 6 0 7 8 0 10 3 NULL 10 5 NULL 10 10 NULL explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0') as 'test' from t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 NULL 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,((`test`.`t1`.`one`,`test`.`t1`.`two`),(/* select#2 */ select 1,1 from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and (outer_field_is_not_null, (((`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`)), true) and (outer_field_is_not_null, (((`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)), true)) having ((outer_field_is_not_null, (`test`.`t2`.`one`), true) and (outer_field_is_not_null, (`test`.`t2`.`two`), true)))) AS `test` from `test`.`t1` explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 8 100.00 Using where 1 SIMPLE eq_ref 10 test.t1.one,test.t1.two 1 100.00 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((``.`two` = `test`.`t1`.`two`) and (``.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`flag` = 'N')) explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 NULL 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,((`test`.`t1`.`one`,`test`.`t1`.`two`),(/* select#2 */ select 1,1 from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and (outer_field_is_not_null, (((`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`)), true) and (outer_field_is_not_null, (((`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)), true)) having ((outer_field_is_not_null, (`test`.`t2`.`one`), true) and (outer_field_is_not_null, (`test`.`t2`.`two`), true)))) AS `test` from `test`.`t1` DROP TABLE t1,t2; CREATE TABLE t1 (a char(5), b char(5)); INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa'); SELECT * FROM t1 WHERE (a,b) IN (('aaa','aaa'), ('aaa','bbb')); a b aaa aaa DROP TABLE t1; CREATE TABLE t1 (a CHAR(1), b VARCHAR(10)); INSERT INTO t1 VALUES ('a', 'aa'); INSERT INTO t1 VALUES ('a', 'aaa'); SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1); a b CREATE INDEX I1 ON t1 (a); CREATE INDEX I2 ON t1 (b); EXPLAIN SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL I2 NULL NULL NULL 2 Using where 1 SIMPLE t1 ref I1 I1 2 test.t1.b 2 Using where; Using index; FirstMatch(t1) SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1); a b CREATE TABLE t2 (a VARCHAR(1), b VARCHAR(10)); INSERT INTO t2 SELECT * FROM t1; CREATE INDEX I1 ON t2 (a); CREATE INDEX I2 ON t2 (b); EXPLAIN SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL I2 NULL NULL NULL 2 Using where 1 SIMPLE t2 ref I1 I1 4 test.t2.b 2 Using where; Using index; FirstMatch(t2) SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2); a b EXPLAIN SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL I2 NULL NULL NULL 2 Using where 1 SIMPLE t1 ref I1 I1 2 test.t1.b 2 Using where; Using index; FirstMatch(t1) SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500); a b DROP TABLE t1,t2; # # BUG#45928 "Differing query results depending on MRR and # engine_condition_pushdown settings" # CREATE TABLE `t1` ( `pk` int(11) NOT NULL AUTO_INCREMENT, `time_nokey` time NOT NULL, `varchar_key` varchar(1) NOT NULL, `varchar_nokey` varchar(1) NOT NULL, PRIMARY KEY (`pk`), KEY `varchar_key` (`varchar_key`) ) AUTO_INCREMENT=12 DEFAULT CHARSET=latin1; INSERT INTO `t1` VALUES (10,'00:00:00','i','i'),(11,'00:00:00','',''); SELECT `time_nokey` G1 FROM t1 WHERE ( `varchar_nokey` , `varchar_key` ) IN ( SELECT `varchar_nokey` , `varchar_nokey` ) AND `varchar_key` >= 'c' HAVING G1 ORDER BY `pk` ; G1 DROP TABLE t1; # # BUG#45863 "Assertion failed: (fixed == 0), function fix_fields(), # file item.cc, line 4448" # DROP TABLE IF EXISTS C, BB; CREATE TABLE C ( varchar_nokey varchar(1) NOT NULL ); INSERT INTO C VALUES ('k'),('a'),(''),('u'),('e'),('v'),('i'), ('t'),('u'),('f'),('u'),('m'),('j'),('f'), ('v'),('j'),('g'),('e'),('h'),('z'); CREATE TABLE BB ( varchar_nokey varchar(1) NOT NULL ); INSERT INTO BB VALUES ('i'),('t'); SELECT varchar_nokey FROM C WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey FROM BB); ERROR 42S22: Unknown column 'OUTR' in 'IN/ALL/ANY subquery' SELECT varchar_nokey FROM C WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey, varchar_nokey FROM BB); ERROR 42S22: Unknown column 'OUTR' in 'IN/ALL/ANY subquery' DROP TABLE C,BB; # # During work with BUG#45863 I had problems with a query that was # optimized differently in regular and prepared mode. # Because there was a bug in one of the selected strategies, I became # aware of the problem. Adding an EXPLAIN query to catch this. DROP TABLE IF EXISTS t1, t2, t3; CREATE TABLE t1 (EMPNUM CHAR(3) NOT NULL, EMPNAME CHAR(20), GRADE DECIMAL(4), CITY CHAR(15)); CREATE TABLE t2 (PNUM CHAR(3) NOT NULL, PNAME CHAR(20), PTYPE CHAR(6), BUDGET DECIMAL(9), CITY CHAR(15)); CREATE TABLE t3 (EMPNUM CHAR(3) NOT NULL, PNUM CHAR(3) NOT NULL, HOURS DECIMAL(5)); INSERT INTO t1 VALUES ('E1','Alice',12,'Deale'); INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna'); INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna'); INSERT INTO t1 VALUES ('E4','Don',12,'Deale'); INSERT INTO t1 VALUES ('E5','Ed',13,'Akron'); INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale'); INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna'); INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa'); INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale'); INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna'); INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale'); INSERT INTO t3 VALUES ('E1','P1',40); INSERT INTO t3 VALUES ('E1','P2',20); INSERT INTO t3 VALUES ('E1','P3',80); INSERT INTO t3 VALUES ('E1','P4',20); INSERT INTO t3 VALUES ('E1','P5',12); INSERT INTO t3 VALUES ('E1','P6',12); INSERT INTO t3 VALUES ('E2','P1',40); INSERT INTO t3 VALUES ('E2','P2',80); INSERT INTO t3 VALUES ('E3','P2',20); INSERT INTO t3 VALUES ('E4','P2',20); INSERT INTO t3 VALUES ('E4','P4',40); INSERT INTO t3 VALUES ('E4','P5',80); CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM); EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where PREPARE stmt FROM "EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design'))"; EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where DEALLOCATE PREPARE stmt; DROP INDEX t1_IDX ON t1; CREATE INDEX t1_IDX ON t1(EMPNUM); EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where PREPARE stmt FROM "EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design'))"; EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where DEALLOCATE PREPARE stmt; DROP INDEX t1_IDX ON t1; EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where PREPARE stmt FROM "EXPLAIN SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design'))"; EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE eq_ref 3 test.t1.EMPNUM 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where DEALLOCATE PREPARE stmt; DROP TABLE t1, t2, t3; # # BUG#45221 Query SELECT pk FROM C WHERE pk IN (SELECT int_key) failing # CREATE TABLE t1 ( i1_key INT, i2 INT, i3 INT, KEY i1_index (i1_key) ); INSERT INTO t1 VALUES (9,1,2), (9,2,1); CREATE TABLE t2 ( pk INT NOT NULL, i1 INT, PRIMARY KEY (pk) ); INSERT INTO t2 VALUES (9,1); SELECT pk FROM t2 WHERE pk IN ( SELECT i1_key FROM t1 WHERE t1.i2 < t1.i3 XOR t2.i1 > 1 ORDER BY t1.i2 desc); pk 9 DROP TABLE t1,t2; # BUG#50361 Doublenested noncorrelated subquery with FirstMatch and join cache wrong result # CREATE TABLE t1( id INTEGER ); INSERT INTO t1 VALUES(10),(20); create table t2 select * from t1; create table t3 select * from t1; SELECT * FROM t1 WHERE 1 IN(SELECT 1 FROM t2 WHERE 1 IN(SELECT 1 FROM t3)); id 10 20 explain extended SELECT * FROM t1 WHERE 1 IN(SELECT 1 FROM t2 WHERE 1 IN(SELECT 1 FROM t3)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE const 4 const 1 100.00 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 NULL Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` semi join (`test`.`t3` join `test`.`t2`) where 1 delete from t2; delete from t3; INSERT INTO t1 VALUES(30),(40),(50),(60),(70),(80),(90); insert into t2 select * from t1; insert into t3 select * from t1; create table t4 select * from t1; SELECT * FROM t1 WHERE 1 IN(SELECT 1 FROM t2 WHERE 1 IN(SELECT 1 FROM t3 WHERE 1 IN(SELECT 1 FROM t4))); id 10 20 30 40 50 60 70 80 90 explain SELECT * FROM t1 WHERE 1 IN(SELECT 1 FROM t2 WHERE 1 IN(SELECT 1 FROM t3 WHERE 1 IN(SELECT 1 FROM t4))); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 9 NULL 1 SIMPLE const 4 const 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 9 NULL 2 MATERIALIZED t4 ALL NULL NULL NULL NULL 9 NULL SELECT * FROM t1 WHERE 1 IN(SELECT 1 FROM t1 WHERE 1 IN(SELECT 1 FROM t1 WHERE 1 IN(SELECT 1 FROM t1))); id 10 20 30 40 50 60 70 80 90 drop table t1,t2,t3,t4; # # Bug#53236 Segfault in DTCollation::set(DTCollation&) # CREATE TABLE t1 ( pk INTEGER AUTO_INCREMENT, col_varchar VARCHAR(1), PRIMARY KEY (pk) ) ; INSERT INTO t1 (col_varchar) VALUES ('w'), ('m') ; SELECT table1.pk FROM ( t1 AS table1 JOIN t1 AS table2 ON (table1.col_varchar = table2.col_varchar) ) WHERE ( 1, 2 ) IN ( SELECT SUBQUERY1_t1.pk AS SUBQUERY1_field1, SUBQUERY1_t1.pk AS SUBQUERY1_field2 FROM ( t1 AS SUBQUERY1_t1 JOIN t1 AS SUBQUERY1_t2 ON (SUBQUERY1_t2.col_varchar = SUBQUERY1_t1.col_varchar) ) ) ; pk drop table t1; # # BUG#53298 "wrong result with semijoin (no semijoin strategy chosen)" # create table t1 (uid int, fid int); insert into t1 values (1,1), (3,1); create table t2 (uid int, name varchar(128)); insert into t2 values (1, "A"), (2, "B"); create table t3 (uid int, fid int, index(uid)); insert into t3 values (1,3), (1,3); create table t4 (uid int); insert into t4 values (3); explain select t2.uid from t2, t1 where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid) and t2.uid=t1.fid; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 2 MATERIALIZED t4 ALL NULL NULL NULL NULL 1 NULL 2 MATERIALIZED t3 ref uid uid 5 const 1 Using where; Using join buffer (Batched Key Access) select t2.uid from t2, t1 where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid) and t2.uid=t1.fid; uid 1 drop table t1,t2,t3,t4; CREATE TABLE t1 ( pk int, a varchar(1), b varchar(4), c varchar(4), d varchar(4), PRIMARY KEY (pk) ); INSERT INTO t1 VALUES (1,'o','ffff','ffff','ffoo'),(2,'f','ffff','ffff','ffff'); CREATE TABLE t2 LIKE t1; INSERT INTO t2 VALUES (1,'i','iiii','iiii','iiii'),(2,'f','ffff','ffff','ffff'); EXPLAIN SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Using MRR; FirstMatch(t1) SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0); pk 2 SELECT pk FROM t1 WHERE (b,c,d) IN (SELECT b,c,d FROM t2 WHERE pk > 0); pk 2 DROP TABLE t1, t2; CREATE TABLE t1 (f1 INT, f2 DECIMAL(5,3)) ENGINE=MyISAM; INSERT INTO t1 (f1, f2) VALUES (1, 1.789); INSERT INTO t1 (f1, f2) VALUES (13, 1.454); INSERT INTO t1 (f1, f2) VALUES (10, 1.668); CREATE TABLE t2 LIKE t1; INSERT INTO t2 VALUES (1, 1.789); INSERT INTO t2 VALUES (13, 1.454); EXPLAIN SELECT COUNT(*) FROM t1 WHERE (f1,f2) IN (SELECT f1,f2 FROM t2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL SELECT COUNT(*) FROM t1 WHERE (f1,f2) IN (SELECT f1,f2 FROM t2); COUNT(*) 2 DROP TABLE t1, t2; CREATE TABLE t1 ( ID int(11) NOT NULL auto_increment, Name char(35) NOT NULL default '', Country char(3) NOT NULL default '', Population int(11) NOT NULL default '0', PRIMARY KEY (ID), INDEX (Population), INDEX (Country) ); CREATE TABLE t2 ( Code char(3) NOT NULL default '', Name char(52) NOT NULL default '', SurfaceArea float(10,2) NOT NULL default '0.00', Population int(11) NOT NULL default '0', Capital int(11) default NULL, PRIMARY KEY (Code), UNIQUE INDEX (Name), INDEX (Population) ); CREATE TABLE t3 ( Country char(3) NOT NULL default '', Language char(30) NOT NULL default '', Percentage float(3,1) NOT NULL default '0.0', PRIMARY KEY (Country, Language), INDEX (Percentage) ); EXPLAIN SELECT Name FROM t2 WHERE t2.Code IN (SELECT Country FROM t1 WHERE Population > 5000000) AND t2.Code IN (SELECT Country FROM t3 WHERE Language='English' AND Percentage > 10 AND t2.Population > 100000); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range Population,Country Population 4 NULL 1 Using index condition; Using MRR; Start temporary 1 SIMPLE t2 eq_ref PRIMARY,Population PRIMARY 3 test.t1.Country 1 Using where; End temporary; Using join buffer (Batched Key Access) 1 SIMPLE t3 eq_ref PRIMARY,Percentage PRIMARY 33 test.t1.Country,const 1 Using index condition; Using where; Using join buffer (Batched Key Access) EXPLAIN FORMAT=JSON SELECT Name FROM t2 WHERE t2.Code IN (SELECT Country FROM t1 WHERE Population > 5000000) AND t2.Code IN (SELECT Country FROM t3 WHERE Language='English' AND Percentage > 10 AND t2.Population > 100000); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "duplicates_removal": { "using_temporary_table": true, "nested_loop": [ { "table": { "table_name": "t1", "access_type": "range", "possible_keys": [ "Population", "Country" ], "key": "Population", "used_key_parts": [ "Population" ], "key_length": "4", "rows": 1, "filtered": 100, "index_condition": "(`test`.`t1`.`Population` > 5000000)", "using_MRR": true } }, { "table": { "table_name": "t2", "access_type": "eq_ref", "possible_keys": [ "PRIMARY", "Population" ], "key": "PRIMARY", "used_key_parts": [ "Code" ], "key_length": "3", "ref": [ "test.t1.Country" ], "rows": 1, "filtered": 100, "using_join_buffer": "Batched Key Access", "attached_condition": "(`test`.`t2`.`Population` > 100000)" } } ] } }, { "table": { "table_name": "t3", "access_type": "eq_ref", "possible_keys": [ "PRIMARY", "Percentage" ], "key": "PRIMARY", "used_key_parts": [ "Country", "Language" ], "key_length": "33", "ref": [ "test.t1.Country", "const" ], "rows": 1, "filtered": 100, "index_condition": "(`test`.`t3`.`Language` = 'English')", "using_join_buffer": "Batched Key Access", "attached_condition": "(`test`.`t3`.`Percentage` > 10)" } } ] } } Warnings: Note 1276 Field or reference 'test.t2.Population' of SELECT #3 was resolved in SELECT #1 Note 1003 /* select#1 */ select `test`.`t2`.`Name` AS `Name` from `test`.`t3` semi join (`test`.`t1`) join `test`.`t2` where ((`test`.`t2`.`Code` = `test`.`t1`.`Country`) and (`test`.`t3`.`Country` = `test`.`t1`.`Country`) and (`test`.`t3`.`Language` = 'English') and (`test`.`t3`.`Percentage` > 10) and (`test`.`t2`.`Population` > 100000) and (`test`.`t1`.`Population` > 5000000)) DROP TABLE t1,t2,t3; CREATE TABLE t1 ( Code char(3) NOT NULL DEFAULT '', Name char(52) NOT NULL DEFAULT '', Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL DEFAULT 'Asia', Region char(26) NOT NULL DEFAULT '', SurfaceArea float(10,2) NOT NULL DEFAULT '0.00', IndepYear smallint(6) DEFAULT NULL, Population int(11) NOT NULL DEFAULT '0', LifeExpectancy float(3,1) DEFAULT NULL, GNP float(10,2) DEFAULT NULL, GNPOld float(10,2) DEFAULT NULL, LocalName char(45) NOT NULL DEFAULT '', GovernmentForm char(45) NOT NULL DEFAULT '', HeadOfState char(60) DEFAULT NULL, Capital int(11) DEFAULT NULL, Code2 char(2) NOT NULL DEFAULT '', PRIMARY KEY (Code) ); CREATE TABLE t2 ( ID int(11) NOT NULL AUTO_INCREMENT, Name char(35) NOT NULL DEFAULT '', CountryCode char(3) NOT NULL DEFAULT '', District char(20) NOT NULL DEFAULT '', Population int(11) NOT NULL DEFAULT '0', PRIMARY KEY (ID), KEY CountryCode (CountryCode) ); Fill the table with test data This must not use LooseScan: EXPLAIN SELECT Name FROM t1 WHERE t1.Code IN ( SELECT t2.CountryCode FROM t2 WHERE Population > 5000000); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 31 Using where 1 SIMPLE eq_ref 3 test.t1.Code 1 NULL 2 MATERIALIZED t2 ALL CountryCode NULL NULL NULL 545 Using where SELECT Name FROM t1 WHERE t1.Code IN ( SELECT t2.CountryCode FROM t2 WHERE Population > 5000000); Name Austria Canada China Czech Republic drop table t1, t2; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4); create table t1 (a int, b int, key(a)); insert into t1 select a,a from t0; create table t2 (a int, b int, primary key(a)); insert into t2 select * from t1; Table t2, unlike table t1, should be displayed as pulled out explain extended select * from t0 where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and t1.b=t2.b); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t0 ALL NULL NULL NULL NULL 5 100.00 Using where; Start temporary 1 SIMPLE t1 ref a a 5 test.t0.a 1 100.00 Using join buffer (Batched Key Access) 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 100.00 Using where; End temporary; Using join buffer (Batched Key Access) Warnings: Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 Note 1003 /* select#1 */ select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t0`.`a`) and (`test`.`t2`.`a` = `test`.`t0`.`a`)) update t1 set a=3, b=11 where a=4; update t2 set b=11 where a=3; create temporary table tmp select * from t0 where t0.a in (select t1.a from t1, t2 where t2.a=t0.a and t1.b=t2.b); create temporary table tmp_as_ref (a int); insert into tmp_as_ref values(0),(1),(2),(3); select * from tmp; a 0 1 2 3 drop table t0, t1, t2, tmp, tmp_as_ref; CREATE TABLE t1 ( id int(11) NOT NULL, PRIMARY KEY (id)); CREATE TABLE t2 ( id int(11) NOT NULL, fid int(11) NOT NULL, PRIMARY KEY (id)); insert into t1 values(1); insert into t2 values(1,7503),(2,1); explain select count(*) from t1 where fid IN (select fid from t2 where (id between 7502 and 8420) order by fid ); ERROR 42S22: Unknown column 'fid' in 'IN/ALL/ANY subquery' drop table t1, t2; create table t1 (a int, b int, key (a), key (b)); insert into t1 values (2,4),(2,4),(2,4); select t1.a from t1 where t1.a in (select 1 from t1 where t1.a in (select 1 from t1) group by t1.a); a drop table t1; create table t1(a int,b int,key(a),key(b)); insert into t1 values (1,1),(2,2),(3,3); select 1 from t1 where t1.a not in (select 1 from t1 where t1.a in (select 1 from t1) group by t1.b); 1 1 1 drop table t1; CREATE TABLE t1 (EMPNUM CHAR(3) NOT NULL, EMPNAME CHAR(20), GRADE DECIMAL(4), CITY CHAR(15)); CREATE TABLE t2 (PNUM CHAR(3) NOT NULL, PNAME CHAR(20), PTYPE CHAR(6), BUDGET DECIMAL(9), CITY CHAR(15)); CREATE TABLE t3 (EMPNUM CHAR(3) NOT NULL, PNUM CHAR(3) NOT NULL, HOURS DECIMAL(5)); INSERT INTO t1 VALUES ('E1','Alice',12,'Deale'); INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna'); INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna'); INSERT INTO t1 VALUES ('E4','Don',12,'Deale'); INSERT INTO t1 VALUES ('E5','Ed',13,'Akron'); INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale'); INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna'); INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa'); INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale'); INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna'); INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale'); INSERT INTO t3 VALUES ('E1','P1',40); INSERT INTO t3 VALUES ('E1','P2',20); INSERT INTO t3 VALUES ('E1','P3',80); INSERT INTO t3 VALUES ('E1','P4',20); INSERT INTO t3 VALUES ('E1','P5',12); INSERT INTO t3 VALUES ('E1','P6',12); INSERT INTO t3 VALUES ('E2','P1',40); INSERT INTO t3 VALUES ('E2','P2',80); INSERT INTO t3 VALUES ('E3','P2',20); INSERT INTO t3 VALUES ('E4','P2',20); INSERT INTO t3 VALUES ('E4','P4',40); INSERT INTO t3 VALUES ('E4','P5',80); SELECT * FROM t1; EMPNUM EMPNAME GRADE CITY E1 Alice 12 Deale E2 Betty 10 Vienna E3 Carmen 13 Vienna E4 Don 12 Deale E5 Ed 13 Akron CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM); SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); EMPNAME Alice Betty Don DROP INDEX t1_IDX ON t1; CREATE INDEX t1_IDX ON t1(EMPNUM); SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); EMPNAME Alice Betty Don DROP INDEX t1_IDX ON t1; SELECT EMPNAME FROM t1 WHERE EMPNUM IN (SELECT EMPNUM FROM t3 WHERE PNUM IN (SELECT PNUM FROM t2 WHERE PTYPE = 'Design')); EMPNAME Alice Betty Don DROP TABLE t1, t2, t3; CREATE TABLE t1 (f1 INT NOT NULL); CREATE VIEW v1 (a) AS SELECT f1 IN (SELECT f1 FROM t1) FROM t1; SELECT * FROM v1; a drop view v1; drop table t1; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1(a int, b int); insert into t1 values (0,0),(1,1),(2,2); create table t2 as select * from t1; create table t3 (pk int, a int, primary key(pk)); insert into t3 select a,a from t0; explain select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t3)); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 Using index drop table t0, t1, t2, t3; create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t1 (a int) as select A.a + 10 *(B.a + 10*C.a) as a from t0 A, t0 B, t0 C; create table t2 (id int, a int, primary key(id), key(a)) as select a as id, a as a from t1; show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `id` int(11) NOT NULL DEFAULT '0', `a` int(11) DEFAULT NULL, PRIMARY KEY (`id`), KEY `a` (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 set @a=0; create table t3 as select * from t2 limit 0; insert into t3 select @a:=@a+1, t2.a from t2, t0; insert into t3 select @a:=@a+1, t2.a from t2, t0; insert into t3 select @a:=@a+1, t2.a from t2, t0; alter table t3 add primary key(id), add key(a); The following must use loose index scan over t3, key a: explain select count(a) from t2 where a in ( SELECT a FROM t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index a a 5 NULL 1000 Using where; Using index 1 SIMPLE t3 ref a a 5 test.t2.a 30 Using index; FirstMatch(t2) select count(a) from t2 where a in ( SELECT a FROM t3); count(a) 1000 drop table t0,t1,t2,t3; # # Bug#33062: subquery in stored routine cause crash # CREATE TABLE t1(a INT); CREATE TABLE t2(c INT); CREATE PROCEDURE p1(v1 int) BEGIN SELECT 1 FROM t1 WHERE a = v1 AND a IN (SELECT c FROM t2); END // CREATE PROCEDURE p2(v1 int) BEGIN SELECT 1 FROM t1 WHERE a IN (SELECT c FROM t2); END // CREATE PROCEDURE p3(v1 int) BEGIN SELECT 1 FROM t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08, t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16, t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24, t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32, t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40, t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48, t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56, t1 t57,t1 t58,t1 t59,t1 t60 WHERE t01.a IN (SELECT c FROM t2); END // CREATE PROCEDURE p4(v1 int) BEGIN SELECT 1 FROM t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08, t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16, t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24, t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32, t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40, t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48, t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56, t1 t57,t1 t58,t1 t59,t1 t60 WHERE t01.a = v1 AND t01.a IN (SELECT c FROM t2); END // CALL p1(1); 1 CALL p2(1); 1 CALL p3(1); 1 CALL p4(1); 1 DROP TABLE t1, t2; DROP PROCEDURE p1; DROP PROCEDURE p2; DROP PROCEDURE p3; DROP PROCEDURE p4; # # Bug#48213 Materialized subselect crashes if using GEOMETRY type # CREATE TABLE t1 ( pk int, a varchar(1), b varchar(4), c tinyblob, d blob, e mediumblob, f longblob, g tinytext, h text, i mediumtext, j longtext, k geometry, PRIMARY KEY (pk) ); INSERT INTO t1 VALUES (1,'o','ffff','ffff','ffoo','ffff','ffff','ffff','ffff','ffff','ffff',GeomFromText('POLYGON((0 0, 0 2, 2 2, 2 0, 0 0))')), (2,'f','ffff','ffff','ffff', 'ffff','ffff','ffff','ffff','ffff','ffff',GeomFromText('POLYGON((0 0, 0 2, 2 2, 2 0, 0 0))')); CREATE TABLE t2 LIKE t1; INSERT INTO t2 VALUES (1,'i','iiii','iiii','iiii','iiii','ffff','ffff','ffff','ffff','ffff',GeomFromText('POLYGON((0 0, 0 2, 2 2, 2 0, 0 0))')), (2,'f','ffff','ffff','ffff','ffff','ffff','ffff','ffff','ffff','ffff',GeomFromText('POLYGON((0 0, 0 2, 2 2, 2 0, 0 0))')); EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (a, b) IN (SELECT a, b FROM t2 WHERE pk > 0); pk 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, c) IN (SELECT b, c FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`c` = `test`.`t1`.`c`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, c) IN (SELECT b, c FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, d) IN (SELECT b, d FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`d` = `test`.`t1`.`d`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, d) IN (SELECT b, d FROM t2 WHERE pk > 0); pk 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, e) IN (SELECT b, e FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`e` = `test`.`t1`.`e`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, e) IN (SELECT b, e FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, f) IN (SELECT b, f FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`f` = `test`.`t1`.`f`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, f) IN (SELECT b, f FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, g) IN (SELECT b, g FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`g` = `test`.`t1`.`g`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, g) IN (SELECT b, g FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, h) IN (SELECT b, h FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`h` = `test`.`t1`.`h`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, h) IN (SELECT b, h FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, i) IN (SELECT b, i FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`i` = `test`.`t1`.`i`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, i) IN (SELECT b, i FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, j) IN (SELECT b, j FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`j` = `test`.`t1`.`j`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, j) IN (SELECT b, j FROM t2 WHERE pk > 0); pk 1 2 EXPLAIN EXTENDED SELECT pk FROM t1 WHERE (b, k) IN (SELECT b, k FROM t2 WHERE pk > 0); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 NULL 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Using MRR; FirstMatch(t1) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`k` = `test`.`t1`.`k`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, k) IN (SELECT b, k FROM t2 WHERE pk > 0); pk 1 2 DROP TABLE t1, t2; # End of Bug#48213 # # BUG#53060: LooseScan semijoin strategy does not return all rows # CREATE TABLE t1 (i INTEGER); INSERT INTO t1 VALUES (1), (2), (3), (4), (5); CREATE TABLE t2 (i INTEGER, j INTEGER, KEY k(i, j)); INSERT INTO t2 VALUES (1, 0), (1, 1), (2, 0), (2, 1); EXPLAIN SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where 1 SIMPLE t2 ref k k 5 test.t1.i 1 Using where; Using index; FirstMatch(t1) SELECT * FROM t1 WHERE (i) IN (SELECT i FROM t2 where j > 0); i 1 2 DROP TABLE t1, t2; # End of BUG#53060 # # Bug#53305 "Duplicate weedout + join buffer (join cache --level=7,8) loses rows" # create table t1 (uid int, fid int, index(uid)); insert into t1 values (1,1), (1,2), (1,3), (1,4), (2,5), (2,6), (2,7), (2,8), (3,1), (3,2), (3,9); create table t2 (uid int primary key, name varchar(128), index(name)); insert into t2 values (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"), (6, "F"), (7, "G"), (8, "H"), (9, "I"); create table t3 (uid int, fid int, index(uid)); insert into t3 values (1,1), (1,2), (1,3),(1,4), (2,5), (2,6), (2,7), (2,8), (3,1), (3,2), (3,9); create table t4 (uid int primary key, name varchar(128), index(name)); insert into t4 values (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"), (6, "F"), (7, "G"), (8, "H"), (9, "I"); explain select name from t2, t1 where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid) and t2.uid=t1.fid; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ref uid uid 5 const 4 Using where; Start temporary 1 SIMPLE t4 eq_ref PRIMARY PRIMARY 4 test.t3.fid 1 Using index 1 SIMPLE t1 ref uid uid 5 test.t3.fid 2 Using where; Using join buffer (Batched Key Access) 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.fid 1 End temporary; Using join buffer (Batched Key Access) select name from t2, t1 where t1.uid in (select t4.uid from t4, t3 where t3.uid=1 and t4.uid=t3.fid) and t2.uid=t1.fid; name A A B B C D E F G H I drop table t1,t2,t3,t4; # # Bug#43768 Prepared query with nested subqueries core dump on second execution # CREATE TABLE t1 ( id INT PRIMARY KEY, partner_id VARCHAR(35) ); INSERT INTO t1 VALUES (1, 'partner1'), (2, 'partner2'), (3, 'partner3'), (4, 'partner4'); CREATE TABLE t2 ( id INT NOT NULL, t1_line_id INT, article_id VARCHAR(20), PRIMARY KEY(id, t1_line_id) ); INSERT INTO t2 VALUES (1, 1, 'sup'), (2, 1, 'sup'), (2, 2, 'sup'), (2, 3, 'sup'), (2, 4, 'imp'), (3, 1, 'sup'), (4, 1, 'sup'); CREATE TABLE t3 ( user_id VARCHAR(50), article_id VARCHAR(20) NOT NULL, PRIMARY KEY(user_id) ); INSERT INTO t3 VALUES('nicke', 'imp'); EXPLAIN SELECT t1.partner_id FROM t1 WHERE t1.id IN ( SELECT t2.id FROM t2 WHERE article_id IN ( SELECT article_id FROM t3 WHERE user_id = 'nicke' ) ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 system PRIMARY NULL NULL NULL 1 NULL 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 NULL 1 SIMPLE t2 ref PRIMARY PRIMARY 4 test.t1.id 1 Using where; FirstMatch(t1); Using join buffer (Batched Key Access) SELECT t1.partner_id FROM t1 WHERE t1.id IN ( SELECT t2.id FROM t2 WHERE article_id IN ( SELECT article_id FROM t3 WHERE user_id = 'nicke' ) ); partner_id partner2 PREPARE stmt FROM 'EXPLAIN SELECT t1.partner_id FROM t1 WHERE t1.id IN ( SELECT t2.id FROM t2 WHERE article_id IN ( SELECT article_id FROM t3 WHERE user_id = \'nicke\' ) )'; EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 system PRIMARY NULL NULL NULL 1 NULL 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 NULL 1 SIMPLE t2 ref PRIMARY PRIMARY 4 test.t1.id 1 Using where; FirstMatch(t1); Using join buffer (Batched Key Access) EXECUTE stmt; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 system PRIMARY NULL NULL NULL 1 NULL 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 NULL 1 SIMPLE t2 ref PRIMARY PRIMARY 4 test.t1.id 1 Using where; FirstMatch(t1); Using join buffer (Batched Key Access) PREPARE stmt FROM 'SELECT t1.partner_id FROM t1 WHERE t1.id IN ( SELECT t2.id FROM t2 WHERE article_id IN ( SELECT article_id FROM t3 WHERE user_id = \'nicke\' ) )'; EXECUTE stmt; partner_id partner2 EXECUTE stmt; partner_id partner2 DROP TABLE t1,t2,t3; # End of Bug#43768 # # Bug#53058 - semijoin execution of subquery with outerjoin yields wrong result # CREATE TABLE t1 (i INTEGER); CREATE TABLE t2 (i INTEGER); CREATE TABLE t3 (i INTEGER); INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (6); INSERT INTO t3 VALUES (1), (2); explain extended SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL 0.00 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i` from `test`.`t1` semi join (`test`.`t3` left join `test`.`t2` on((`test`.`t2`.`i` = `test`.`t3`.`i`))) where (`test`.`t1`.`i` = ``.`i`) SELECT * FROM t1 WHERE (t1.i) IN (SELECT t3.i FROM t3 LEFT JOIN t2 ON t2.i=t3.i); i 1 2 drop table t1,t2,t3; # # BUG#49453: re-execution of prepared statement with view # and semijoin crashes # CREATE TABLE t1 (city VARCHAR(50), country_id INT); CREATE TABLE t2 (country_id INT, country VARCHAR(50)); INSERT INTO t1 VALUES ('Batna',2),('Bchar',2),('Skikda',2),('Tafuna',3),('Algeria',2) ; INSERT INTO t2 VALUES (2,'Algeria'),(2,'AlgeriaDup'),(3,'XAmerican Samoa'); CREATE VIEW v1 AS SELECT country_id as vf_country_id FROM t2 WHERE LEFT(country,1) = "A"; PREPARE stmt FROM " SELECT city, country_id FROM t1 WHERE country_id IN (SELECT vf_country_id FROM v1); "; EXECUTE stmt; city country_id Batna 2 Bchar 2 Skikda 2 Algeria 2 EXECUTE stmt; city country_id Batna 2 Bchar 2 Skikda 2 Algeria 2 DROP TABLE t1,t2; DROP VIEW v1; # # Bug#54437 Extra rows with LEFT JOIN + semijoin (firstmatch # and duplicates weedout) # create table t1 (a int); create table t2 (a int); create table t3 (a int); insert into t1 values(1),(1); insert into t2 values(1),(1),(1),(1); insert into t3 values(2),(2); explain select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.a 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 4 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where select * from t1 where t1.a in (select t2.a from t2 left join t3 on t2.a=t3.a); a 1 1 drop table t1,t2,t3; # # Bug#55955: crash in MEMORY engine with IN(LEFT JOIN (JOIN)) # CREATE TABLE t1 (a INT); CREATE TABLE t2 (a INT); CREATE TABLE t3 (a INT); INSERT INTO t1 VALUES(1),(1); INSERT INTO t2 VALUES(1),(1); INSERT INTO t3 VALUES(2),(2); explain SELECT * FROM t1 WHERE t1.a IN (SELECT t2.a FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 5 test.t1.a 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t2inner ALL NULL NULL NULL NULL 2 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where SELECT * FROM t1 WHERE t1.a IN (SELECT t2.a FROM t2 LEFT JOIN (t2 AS t2inner, t3) ON t2.a=t3.a); a 1 1 DROP TABLE t1,t2,t3; # # BUG#52329 - Wrong result: subquery materialization, IN, # non-null field followed by nullable # CREATE TABLE t1 (a1 CHAR(8) NOT NULL, a2 char(8) NOT NULL); CREATE TABLE t2a (b1 char(8), b2 char(8)); CREATE TABLE t2b (b1 CHAR(8), b2 char(8) NOT NULL); CREATE TABLE t2c (b1 CHAR(8) NOT NULL, b2 char(8)); INSERT INTO t1 VALUES ('1 - 12', '2 - 22'); INSERT INTO t2a VALUES ('1 - 11', '2 - 21'), ('1 - 11', '2 - 21'), ('1 - 12', '2 - 22'), ('1 - 12', '2 - 22'), ('1 - 13', '2 - 23'); INSERT INTO t2b SELECT * FROM t2a; INSERT INTO t2c SELECT * FROM t2a; SELECT * FROM t1 WHERE (a1, a2) IN ( SELECT b1, b2 FROM t2c WHERE b1 > '0' GROUP BY b1, b2); a1 a2 1 - 12 2 - 22 SELECT * FROM t1 WHERE (a1, a2) IN ( SELECT b1, b2 FROM t2a WHERE b1 > '0'); a1 a2 1 - 12 2 - 22 SELECT * FROM t1 WHERE (a1, a2) IN ( SELECT b1, b2 FROM t2b WHERE b1 > '0'); a1 a2 1 - 12 2 - 22 SELECT * FROM t1 WHERE (a1, a2) IN ( SELECT b1, b2 FROM t2c WHERE b1 > '0'); a1 a2 1 - 12 2 - 22 DROP TABLE t1,t2a,t2b,t2c; # End BUG#52329 # # Bug#45174: Incorrectly applied equality propagation caused wrong # result on a query with a materialized semi-join. # CREATE TABLE t1 ( varchar_nokey varchar(1) NOT NULL ); INSERT INTO t1 VALUES ('v'), ('u'), ('n'), ('l'), ('h'), ('u'), ('n'), ('j'), ('k'), ('e'), ('i'), ('u'), ('n'), ('b'), ('x'), (''), ('q'), ('u'); CREATE TABLE t2 ( pk int NOT NULL, varchar_key varchar(1) NOT NULL, varchar_nokey varchar(1) NOT NULL, PRIMARY KEY(pk), KEY varchar_key(varchar_key) ); INSERT INTO t2 VALUES (11,'m','m'), (12,'j','j'), (13,'z','z'), (14,'a','a'), (15,'',''), (16,'e','e'), (17,'t','t'), (19,'b','b'), (20,'w','w'), (21,'m','m'), (23,'',''), (24,'w','w'), (26,'e','e'), (27,'e','e'), (28,'p','p'); SELECT varchar_nokey FROM t1 WHERE (varchar_nokey, varchar_nokey) IN (SELECT varchar_key, varchar_nokey FROM t2 WHERE varchar_nokey < 'n' XOR pk); varchar_nokey explain SELECT varchar_nokey FROM t1 WHERE (varchar_nokey, varchar_nokey) IN (SELECT varchar_key, varchar_nokey FROM t2 WHERE varchar_nokey < 'n' XOR pk); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE eq_ref 6 test.t1.varchar_nokey,test.t1.varchar_nokey 1 NULL 2 MATERIALIZED t2 ALL varchar_key NULL NULL NULL 15 Using where DROP TABLE t1, t2; # End of the test for bug#45174. # # Bug#50019: Wrong result for IN-query with materialization # CREATE TABLE t1(i INT); INSERT INTO t1 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10); CREATE TABLE t2(i INT); INSERT INTO t2 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10); CREATE TABLE t3(i INT); INSERT INTO t3 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10); SELECT * FROM t1 WHERE t1.i IN (SELECT t2.i FROM t2 JOIN t3 WHERE t2.i + t3.i = 5); i 1 2 3 4 explain SELECT * FROM t1 WHERE t1.i IN (SELECT t2.i FROM t2 JOIN t3 WHERE t2.i + t3.i = 5); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where 1 SIMPLE eq_ref 5 test.t1.i 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 10 NULL 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 10 Using where DROP TABLE t1,t2,t3; # End of the test for bug#50019. # # Bug#52068: Optimizer generates invalid semijoin materialization plan # CREATE TABLE ot1(a INTEGER); INSERT INTO ot1 VALUES(5), (8); CREATE TABLE it2(a INTEGER); INSERT INTO it2 VALUES(9), (5), (1), (8); CREATE TABLE it3(a INTEGER); INSERT INTO it3 VALUES(7), (1), (0), (5), (1), (4); CREATE TABLE ot4(a INTEGER); INSERT INTO ot4 VALUES(1), (3), (5), (7), (9), (7), (3), (1); SELECT * FROM ot1,ot4 WHERE (ot1.a,ot4.a) IN (SELECT it2.a,it3.a FROM it2,it3); a a 5 7 5 7 5 1 5 1 5 5 8 7 8 7 8 1 8 1 8 5 explain SELECT * FROM ot1,ot4 WHERE (ot1.a,ot4.a) IN (SELECT it2.a,it3.a FROM it2,it3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE ot4 ALL NULL NULL NULL NULL 8 Using where 2 MATERIALIZED it2 ALL NULL NULL NULL NULL 4 NULL 2 MATERIALIZED it3 ALL NULL NULL NULL NULL 6 NULL DROP TABLE IF EXISTS ot1, ot4, it2, it3; # End of the test for bug#52068. # # Bug#57623: subquery within before insert trigger causes crash (sj=on) # CREATE TABLE ot1(a INT); CREATE TABLE ot2(a INT); CREATE TABLE ot3(a INT); CREATE TABLE it1(a INT); INSERT INTO ot1 VALUES(0),(1),(2),(3),(4),(5),(6),(7); INSERT INTO ot2 VALUES(0),(2),(4),(6); INSERT INTO ot3 VALUES(0),(3),(6); INSERT INTO it1 VALUES(0),(1),(2),(3),(4),(5),(6),(7); explain SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 on ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 8 NULL 1 SIMPLE it1 ALL NULL NULL NULL NULL 8 Using where; FirstMatch(ot1) 1 SIMPLE ot3 ALL NULL NULL NULL NULL 3 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 4 Using where SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 on ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1); a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL prepare s from 'SELECT * FROM ot1 LEFT JOIN (ot2 JOIN ot3 on ot2.a=ot3.a) ON ot1.a=ot2.a AND ot1.a IN (SELECT a from it1)'; execute s; a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL execute s; a a a 0 0 0 1 NULL NULL 2 NULL NULL 3 NULL NULL 4 NULL NULL 5 NULL NULL 6 6 6 7 NULL NULL deallocate prepare s; DROP TABLE ot1, ot2, ot3, it1; # End of the test for bug#57623. # # Bug#11766739: Crash in tmp_table_param::init() with semijoin=on # CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM; CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM; INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (1,1), (2,1); EXPLAIN SELECT * FROM t2 WHERE f2 IN (SELECT t1.f1 FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 1 Start temporary 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE b1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE b2 ALL NULL NULL NULL NULL 2 End temporary SELECT * FROM t2 WHERE f2 IN (SELECT t1.f1 FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE); f1 f2 1 1 2 1 DROP TABLE t1, t2; # End of the test for bug#11766739. # # Bug#11766642: crash in Item_field::register_field_in_read_map with view # CREATE TABLE t1(a INT); CREATE VIEW v1 AS SELECT a FROM t1; INSERT INTO t1 VALUES (0),(1),(2); SELECT a FROM t1 WHERE a IN (SELECT a XOR a FROM v1) ORDER BY a; a 0 DROP TABLE t1; DROP VIEW v1; # # Bug#12546542 MISSING ROW WHEN USING OPTIMIZER_JOIN_CACHE_LEVEL>=3 # CREATE TABLE t1 ( f2 varchar(1024) ); INSERT INTO t1 VALUES ('v'),('we'); CREATE TABLE t2 ( col_varchar_1024_utf8 varchar(1024) CHARACTER SET utf8 DEFAULT NULL, col_int_key int, col_int int ); INSERT INTO t2 VALUES ('we',4,NULL),('v',1305673728,6); CREATE TABLE t3 ( col_int_key int, col_int int ); INSERT INTO t3 VALUES (4,4); SELECT * FROM t1 WHERE f2 IN (SELECT a1.col_varchar_1024_utf8 AS f2 FROM t2 AS a1 LEFT JOIN t3 AS a2 ON a1.col_int_key = a2.col_int_key WHERE a1.col_int BETWEEN 1 AND 10 OR a2.col_int IS NOT NULL); f2 v we DROP TABLE t1,t2,t3; # # BUG#12616344 - JCL: DIFFERENT RESULT SET AND DIFFERENT AMOUNT # OF ROWS WHEN JCL>=3 # CREATE TABLE t1 (col_int_nokey int, col_int_key int, col_varchar_key varchar(1)); INSERT INTO t1 VALUES (0,4,'c'),(1,6,'u'); CREATE TABLE t2 (pk int, col_int_nokey int, col_varchar_nokey varchar(1)); INSERT INTO t2 VALUES (1,4,'b'),(94,6,'u'); CREATE TABLE t3 (pk int, col_int_nokey int, col_varchar_key varchar(1)); INSERT INTO t3 VALUES (1,4,'j'),(2,6,'v'); SELECT table2.col_int_key from t3 as table1 join t1 as table2 on table2.col_int_nokey where table1.col_int_nokey in ( select subquery2_t2.col_int_nokey from t3 as subquery2_t1 right join t2 as subquery2_t2 join t1 as subquery2_t3 on subquery2_t3.col_int_key = subquery2_t2.col_int_nokey on subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_nokey where subquery2_t1.col_varchar_key != table1.col_varchar_key or subquery2_t2.pk <= table1.pk ); col_int_key 6 6 DROP TABLE t1,t2,t3; # # Bug#12608157: ASSERT IN FIELD_LONG::VAL_INT WHEN USING MEMORY ENGINE # CREATE TABLE t1 (i1 int); INSERT INTO t1 VALUES (1); CREATE TABLE t2 (i1 int, i2 int) ENGINE=memory; INSERT INTO t2 VALUES (1, 2),(7, 3); SELECT GRANDPARENT1.i1 FROM t2 AS GRANDPARENT1 WHERE GRANDPARENT1.i2 IN ( SELECT PARENT1.i2 FROM t2 AS PARENT1 JOIN t1 AS PARENT2 ON (PARENT1.i1 = PARENT2.i1) WHERE GRANDPARENT1.i1 IN ( SELECT CHILD1.i1 FROM t2 AS CHILD1 ) ORDER BY PARENT1.i1) ORDER BY GRANDPARENT1.i2 ; i1 1 DROP TABLE t1,t2; # # Bug#12640083: Same query executed as WHERE subquery gives different # results on IN() compare # CREATE TABLE t1 ( pk int NOT NULL, col_varchar_1024_utf8_key varchar(1024) CHARACTER SET utf8 DEFAULT NULL, col_varchar_10_latin1_key varchar(10) DEFAULT NULL, PRIMARY KEY (pk), KEY col_varchar_1024_utf8_key(col_varchar_1024_utf8_key(333)), KEY col_varchar_10_latin1_key(col_varchar_10_latin1_key) ); INSERT INTO t1 VALUES (1, 'a', 'a'), (2, 'ab', 'ab'), (3, 'abc', 'abc'), (4, 'abcd', 'abcd'); CREATE TABLE t2 ( pk int NOT NULL AUTO_INCREMENT, PRIMARY KEY (pk) ) ENGINE=Innodb; CREATE TABLE t3 SELECT alias1.col_varchar_10_latin1_key FROM t1 AS alias1 LEFT JOIN t1 AS alias2 JOIN t2 AS alias3 ON alias2.col_varchar_10_latin1_key ON alias1.col_varchar_1024_utf8_key WHERE alias1.pk AND alias1.pk < 3 OR alias1.pk AND alias3.pk; EXPLAIN SELECT * FROM t3 WHERE col_varchar_10_latin1_key IN ( SELECT alias1.col_varchar_10_latin1_key FROM t1 AS alias1 LEFT JOIN t1 AS alias2 JOIN t2 AS alias3 ON alias2.col_varchar_10_latin1_key ON alias1.col_varchar_1024_utf8_key WHERE alias1.pk AND alias1.pk < 3 OR alias1.pk AND alias3.pk); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 13 test.t3.col_varchar_10_latin1_key 1 NULL 2 MATERIALIZED alias1 ALL NULL NULL NULL NULL 4 Using where 2 MATERIALIZED alias3 index NULL PRIMARY 4 NULL 1 Using where; Using index 2 MATERIALIZED alias2 index NULL col_varchar_10_latin1_key 13 NULL 4 Using where; Using index SELECT * FROM t3 WHERE col_varchar_10_latin1_key IN ( SELECT alias1.col_varchar_10_latin1_key FROM t1 AS alias1 LEFT JOIN t1 AS alias2 JOIN t2 AS alias3 ON alias2.col_varchar_10_latin1_key ON alias1.col_varchar_1024_utf8_key WHERE alias1.pk AND alias1.pk < 3 OR alias1.pk AND alias3.pk); col_varchar_10_latin1_key a ab DROP TABLE t1, t2, t3; # End of the test for bug#12640083. # # Bug#12603200 - Assert in QUICK_INDEX_MERGE_SELECT::need_sorted_output # CREATE TABLE t1 ( pk int NOT NULL, col_int_key int NOT NULL, col_varchar_nokey varchar(1) NOT NULL, col_varchar_key varchar(1) NOT NULL, PRIMARY KEY(pk), KEY col_int_key(col_int_key), KEY col_varchar_key(col_varchar_key, col_int_key) ) engine=innodb; INSERT INTO t1 VALUES (1,7,'a','a'), (2,0,'v','v'), (3,9,'c','c'), (4,3,'m','m'), (5,2,'a','a'), (6,1,'d','d'), (7,8,'y','y'), (8,6,'t','t'), (11,7,'a','x'), (12,0,'v','v'), (13,9,'c','c'), (14,3,'m','m'), (15,2,'a','x'), (16,1,'d','d'), (17,8,'y','y'), (18,6,'t','u'); CREATE TABLE t2 ( pk int NOT NULL, col_int_key int NOT NULL, col_varchar_key varchar(1) NOT NULL, PRIMARY KEY(pk), KEY col_varchar_key(col_varchar_key, col_int_key) ) engine=innodb; INSERT INTO t2(pk,col_int_key,col_varchar_key) VALUES (8,7,'c'), (11,4,'l'), (12,7,'b'), (13,0,'c'), (14,2,'i'), (15,9,'h'), (16,4,'q'), (17,1,'m'), (18,9,'b'), (19,2,'e'), (20,1,'c'), (21,7,'z'), (22,4,'l'), (23,7,'z'), (24,0,'c'), (25,2,'i'), (26,9,'h'), (27,4,'q'), (28,0,'a'), (29,1,'d'); EXPLAIN SELECT outr.col_varchar_key AS x, outr.pk AS y FROM t1 AS outr WHERE outr.col_varchar_key IN (SELECT innr.col_varchar_key FROM t2 AS innr WHERE innr.col_varchar_key = 'a' OR innr.pk = 8) AND outr.col_varchar_nokey < 't' ORDER BY outr.col_varchar_key, outr.pk; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE innr index_merge PRIMARY,col_varchar_key col_varchar_key,PRIMARY 3,4 NULL 2 Using sort_union(col_varchar_key,PRIMARY); Using where; Using temporary; Using filesort; Start temporary 1 SIMPLE outr ref col_varchar_key col_varchar_key 3 test.innr.col_varchar_key 1 Using where; End temporary; Using join buffer (Batched Key Access) SELECT outr.col_varchar_key AS x, outr.pk AS y FROM t1 AS outr WHERE outr.col_varchar_key IN (SELECT innr.col_varchar_key FROM t2 AS innr WHERE innr.col_varchar_key = 'a' OR innr.pk = 8) AND outr.col_varchar_nokey < 't' ORDER BY outr.col_varchar_key, outr.pk; x y a 1 a 5 c 3 c 13 DROP TABLE t1, t2; # End of bug#12603200 # # Bug#12603183: Segfault in hp_movelink # CREATE TABLE t1 ( col_varchar_key varchar(1) , col_varchar_nokey varchar(1) , KEY col_varchar_key(col_varchar_key) ); INSERT INTO t1 VALUES ('i','i'), ('h','h'), ('q','q'), ('a','a'), ('v','v'), ('u','u'), ('s','s'), ('y','y'), ('z','z'), ('h','h'), ('p','p'), ('e','e'), ('i','i'), ('y','y'), ('w','w'); CREATE TABLE t2 ( col_varchar_nokey varchar(1) ); INSERT INTO t2 VALUES ('b'); EXPLAIN SELECT grandparent1.col_varchar_nokey FROM t1 AS grandparent1 LEFT JOIN t2 AS grandparent2 USING (col_varchar_nokey) WHERE (grandparent1.col_varchar_key) IN (SELECT parent1.col_varchar_nokey FROM t1 AS parent1 WHERE parent1.col_varchar_key IN (SELECT child1.col_varchar_nokey AS c1 FROM t1 AS child1 LEFT JOIN t2 AS child2 ON (child1.col_varchar_key > child2.col_varchar_nokey))); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE grandparent1 ref col_varchar_key col_varchar_key 4 .col_varchar_nokey 2 Using join buffer (Batched Key Access) 1 SIMPLE grandparent2 ALL NULL NULL NULL NULL 1 Using where 2 MATERIALIZED child1 ALL NULL NULL NULL NULL 15 Using where 2 MATERIALIZED child2 ALL NULL NULL NULL NULL 1 Using where 2 MATERIALIZED parent1 ref col_varchar_key col_varchar_key 4 test.child1.col_varchar_nokey 2 Using join buffer (Batched Key Access) SELECT grandparent1.col_varchar_nokey FROM t1 AS grandparent1 LEFT JOIN t2 AS grandparent2 USING (col_varchar_nokey) WHERE (grandparent1.col_varchar_key) IN (SELECT parent1.col_varchar_nokey FROM t1 AS parent1 WHERE parent1.col_varchar_key IN (SELECT child1.col_varchar_nokey AS c1 FROM t1 AS child1 LEFT JOIN t2 AS child2 ON (child1.col_varchar_key > child2.col_varchar_nokey))); col_varchar_nokey a e h h i i p q s u v w y y z DROP TABLE t1, t2; # End of test for bug#12603183. # # Bug#12818569: Diff nr of rows returned when using IN/ALL+subquery # CREATE TABLE t1 ( col_int_key INT NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key), KEY col_datetime_key(col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (7,'2004-06-06 04:22:12','v'), (0,'2005-11-13 01:12:31','s'), (9,'2002-05-04 01:50:00','l'), (3,'2004-10-27 10:28:45','y'), (4,'2006-07-22 05:24:23','c'), (2,'2002-05-16 21:34:03','i'), (5,'2008-04-17 10:45:30','h'), (3,'2009-04-21 02:58:02','q'), (1,'2008-01-11 11:01:51','a'), (3,'1900-01-01 00:00:00','v'), (6,'2007-05-17 18:24:57','u'), (7,'2007-08-07 00:00:00','s'), (5,'2001-08-28 00:00:00','y'), (1,'2004-04-16 00:27:28','z'), (204,'2005-05-03 07:06:22','h'), (224,'2009-03-11 17:09:50','p'), (9,'2007-12-08 01:54:28','e'), (5,'2009-07-28 18:19:54','i'), (0,'2008-06-08 00:00:00','y'), (3,'2005-02-09 09:20:26','w'); CREATE TABLE t2 ( col_varchar_nokey VARCHAR(1) NOT NULL ) ENGINE=InnoDB; INSERT INTO t2 VALUES ('v'), ('y'), ('j'), ('c'), ('d'), ('r'); explain SELECT col_varchar_key FROM t1 WHERE col_varchar_key IN (SELECT col_varchar_nokey FROM t2) ORDER BY col_datetime_key LIMIT 4; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL col_varchar_key NULL NULL NULL 20 Using where; Using filesort 1 SIMPLE eq_ref 3 test.t1.col_varchar_key 1 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 NULL SELECT col_varchar_key FROM t1 WHERE col_varchar_key IN (SELECT col_varchar_nokey FROM t2) ORDER BY col_datetime_key LIMIT 4; col_varchar_key v y v y DROP TABLE t1, t2; # End of test for bug#12818569. # # Bug#12803439: Assert in replace_subcondition() on update query # CREATE TABLE t1(a INTEGER); INSERT INTO t1 values(1), (2); CREATE TABLE t2(a INTEGER); INSERT INTO t2 VALUES(1), (3); SELECT * FROM t1 WHERE a IN (SELECT a FROM t2 HAVING a IN (SELECT a FROM t2) ) HAVING a IN (SELECT a FROM t2); a 1 DROP TABLE t1, t2; # End of test for bug#12803439. # # Bug#12797534: Segfault in hp_movelink still exists # CREATE TABLE t1 ( g1 VARCHAR(1) NOT NULL ) ENGINE=InnoDB; INSERT INTO t1 VALUES ('d'), ('s'); CREATE TABLE t2 ( pk INT NOT NULL, col_int_key INT NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, PRIMARY KEY (pk), KEY col_varchar_key(col_varchar_key, col_int_key) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1,4,'j','j'), (2,6,'v','v'), (3,3,'c','c'), (4,5,'m','m'), (5,3,'d','d'), (6,246,'d','d'), (7,2,'y','y'), (8,9,'t','t'), (9,3,'d','d'), (10,8,'s','s'), (11,1,'r','r'), (12,8,'m','m'), (13,8,'b','b'), (14,5,'x','x'), (15,7,'g','g'), (16,5,'p','p'), (17,1,'q','q'), (18,6,'w','w'), (19,2,'d','d'), (20,9,'e','e'); CREATE TABLE t3 ( pk INTEGER NOT NULL, PRIMARY KEY (pk) ) ENGINE=InnoDB; INSERT INTO t3 VALUES (10); EXPLAIN SELECT * FROM t1 WHERE g1 NOT IN (SELECT grandparent1.col_varchar_nokey AS g1 FROM t2 AS grandparent1 WHERE grandparent1.col_varchar_key IN (SELECT parent1.col_varchar_nokey AS p1 FROM t2 AS parent1 LEFT JOIN t3 AS parent2 USING (pk) ) AND grandparent1.col_varchar_key IS NOT NULL ); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where 2 SUBQUERY ALL NULL NULL NULL NULL NULL NULL 2 SUBQUERY grandparent1 ref col_varchar_key col_varchar_key 3 .p1 1 Using index condition; Using join buffer (Batched Key Access) 3 MATERIALIZED parent1 ALL NULL NULL NULL NULL 20 NULL 3 MATERIALIZED parent2 eq_ref PRIMARY PRIMARY 4 test.parent1.pk 1 Using index SELECT * FROM t1 WHERE g1 NOT IN (SELECT grandparent1.col_varchar_nokey AS g1 FROM t2 AS grandparent1 WHERE grandparent1.col_varchar_key IN (SELECT parent1.col_varchar_nokey AS p1 FROM t2 AS parent1 LEFT JOIN t3 AS parent2 USING (pk) ) AND grandparent1.col_varchar_key IS NOT NULL ); g1 DROP TABLE t1, t2, t3; CREATE TABLE t1 ( pk INTEGER AUTO_INCREMENT, col_int_key INTEGER , col_varchar_key VARCHAR(1) , col_varchar_nokey VARCHAR(1) , PRIMARY KEY (pk), KEY (col_varchar_key,col_int_key) ) ENGINE=INNODB; INSERT INTO t1 (col_int_key,col_varchar_key,col_varchar_nokey) VALUES (0,'x','x'), (1,'j','j'), (1,'r','r'), (9,'v','v'), (5,'r','r'); CREATE TABLE t2 ( pk INTEGER AUTO_INCREMENT, col_int_key INTEGER , col_varchar_key VARCHAR(1) , col_varchar_nokey VARCHAR(1) , PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key,col_int_key) ) AUTO_INCREMENT=10 ENGINE=INNODB; INSERT INTO t2 (col_int_key, col_varchar_key, col_varchar_nokey) VALUES (NULL,'x','x'), (NULL,'j','j'), (8,'c','c'); CREATE TABLE t3 SELECT outr.col_varchar_nokey AS x FROM t1 AS outr WHERE outr.col_varchar_nokey IN (SELECT innr.col_varchar_nokey AS y FROM t2 AS innr WHERE innr.col_int_key IS NULL) AND outr.col_varchar_nokey IS NOT NULL AND NOT col_varchar_key IS NULL; SELECT * FROM t3 WHERE x NOT IN (SELECT outr.col_varchar_nokey AS x FROM t1 AS outr WHERE outr.col_varchar_nokey IN (SELECT innr.col_varchar_nokey AS y FROM t2 AS innr WHERE innr.col_int_key IS NULL) AND outr.col_varchar_nokey IS NOT NULL AND NOT col_varchar_key IS NULL); x DROP TABLE t1, t2, t3; # End of test for bug#12797534. # # Bug#12714094: Assert in optimize_semijoin_nests() # CREATE TABLE it ( pk int NOT NULL, col_varchar VARCHAR(10) DEFAULT NULL, PRIMARY KEY (pk) ) ENGINE=MyISAM; INSERT INTO it VALUES (1, 'g'); CREATE TABLE ot SELECT alias1.pk AS field1 FROM it AS alias1 LEFT JOIN it AS alias2 ON alias1.col_varchar = alias2.col_varchar ; SELECT * FROM ot WHERE field1 IN ( SELECT alias1.pk FROM it AS alias1 LEFT JOIN it AS alias2 ON alias1.col_varchar = alias2.col_varchar ); field1 1 DROP TABLE it, ot; # End of test for bug#12714094 # # Bug#12867557: Valgrind: conditional jump/move at key_cmp # CREATE TABLE t1 ( pk INTEGER AUTO_INCREMENT, col_int_key INTEGER, PRIMARY KEY (pk), KEY (col_int_key) ) AUTO_INCREMENT=10; INSERT INTO t1 (col_int_key) VALUES (8); CREATE TABLE t2 ( pk INTEGER AUTO_INCREMENT, col_int_key INTEGER, col_time_key TIME, PRIMARY KEY (pk), KEY (col_int_key), KEY (col_time_key) ) AUTO_INCREMENT=10; INSERT INTO t2 (col_int_key, col_time_key) VALUES (8, '22:55:23.019225'), (7, '10:19:31.050677'), (1, '14:40:36.038608'), (7, '04:37:47.062416'), (9, '19:34:06.054514'), (NULL,'20:35:33.022996'), (1, NULL), (9, '14:43:37.057393'), (2, '02:23:09.043438'), (9, '01:22:45.041064'), (2, '00:00:00'), (4, '00:13:25.038482'), (0, '03:47:16.042671'), (4, '01:41:48.007423'), (8, '00:00:00'), (NULL, '22:32:04.047407'), (NULL, '16:44:14.028443'), (0, '17:38:37.059754'), (NULL, '08:46:48.042388'), (8, '14:11:27.044095'); CREATE TABLE t0 SELECT DISTINCT grandparent1.col_time_key AS g1 FROM t2 AS grandparent1 WHERE grandparent1.col_int_key IN (SELECT parent1.col_int_key AS p1 FROM t1 AS parent1) AND grandparent1.pk > 9; UPDATE t0 SET g1 = g1 WHERE g1 IN (SELECT grandparent1.col_time_key AS g1 FROM t2 AS grandparent1 WHERE grandparent1.col_int_key IN (SELECT parent1.col_int_key AS p1 FROM t1 AS parent1) AND grandparent1.pk > 9); DROP TABLE t0, t1, t2; # End of test for bug#12867557 # # Bug#12711441: crash in fix_after_pullout # CREATE TABLE t1 ( pk int NOT NULL, col_int_nokey int DEFAULT NULL, col_int_key int DEFAULT NULL, col_time_key time DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, PRIMARY KEY (pk) ); CREATE VIEW v1 AS SELECT * FROM t1; CREATE TABLE t2 ( col_int_key int DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, KEY col_varchar_key(col_varchar_key, col_int_key) ); CREATE TABLE t3 ( pk int NOT NULL, col_int_key INT DEFAULT NULL, PRIMARY KEY (pk) ); CREATE TABLE t4 ( col_int_nokey INT DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, KEY col_varchar_key(col_varchar_key) ); CREATE TABLE ts SELECT alias1.col_time_key AS field1 FROM v1 AS alias1 RIGHT JOIN t3 AS alias2 ON alias2.col_int_key = alias1.col_int_nokey WHERE alias1.pk >= SOME( SELECT SQ1_alias1.pk AS SQ1_field1 FROM t3 AS SQ1_alias1 INNER JOIN (t2 AS SQ1_alias2 INNER JOIN t4 AS SQ1_alias3 ON SQ1_alias3.col_varchar_key = SQ1_alias2.col_varchar_nokey) ON SQ1_alias3.col_int_nokey = SQ1_alias2.col_int_key WHERE SQ1_alias2.col_varchar_key <= alias1.col_varchar_key AND SQ1_alias3.col_varchar_nokey <> alias1.col_varchar_key) ; SELECT * FROM ts WHERE field1 IN ( SELECT alias1.col_time_key AS field1 FROM v1 AS alias1 RIGHT JOIN t3 AS alias2 ON alias2.col_int_key = alias1.col_int_nokey WHERE alias1.pk >= SOME( SELECT SQ1_alias1.pk AS SQ1_field1 FROM t3 AS SQ1_alias1 INNER JOIN (t2 AS SQ1_alias2 INNER JOIN t4 AS SQ1_alias3 ON SQ1_alias3.col_varchar_key = SQ1_alias2.col_varchar_nokey) ON SQ1_alias3.col_int_nokey = SQ1_alias2.col_int_key WHERE SQ1_alias2.col_varchar_key <= alias1.col_varchar_key AND SQ1_alias3.col_varchar_nokey <> alias1.col_varchar_key) ); field1 DROP TABLE t1, t2, t3, t4, ts; DROP VIEW v1; # End of test for bug#12711441. # # Bug#12664936: Same query executed as where subquery ... # CREATE TABLE t1 ( col_varchar_key VARCHAR(1), KEY col_varchar_key (col_varchar_key) ); INSERT INTO t1 VALUES ('o'), ('w'), ('m'), ('q'), ('f'), ('p'), ('j'), ('c'); CREATE TABLE t2 ( col_int_nokey INTEGER, col_int_key INTEGER, col_varchar_key varchar(1), KEY col_int_key (col_int_key) ); INSERT INTO t2 VALUES (8,5,'u'),(4,5,'p'),(8,1,'o'),(NULL,7,'v'), (1,2,'g'),(2,1,'q'),(NULL,7,'l'),(3,1,'n'); CREATE TABLE t4 SELECT t2.col_int_nokey, t2.col_varchar_key FROM t1 JOIN t2 ON t2.col_varchar_key = t1.col_varchar_key WHERE t2.col_int_key = 1; EXPLAIN SELECT * FROM t4 WHERE (col_int_nokey, col_varchar_key) IN (SELECT t2.col_int_nokey, t2.col_varchar_key FROM t1 JOIN t2 ON t2.col_varchar_key = t1.col_varchar_key WHERE t2.col_int_key = 1 ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t4 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 9 test.t4.col_int_nokey,test.t4.col_varchar_key 1 NULL 2 MATERIALIZED t2 ref col_int_key col_int_key 5 const 3 Using where 2 MATERIALIZED t1 ref col_varchar_key col_varchar_key 4 test.t2.col_varchar_key 2 Using index SELECT * FROM t4 WHERE (col_int_nokey, col_varchar_key) IN (SELECT t2.col_int_nokey, t2.col_varchar_key FROM t1 JOIN t2 ON t2.col_varchar_key = t1.col_varchar_key WHERE t2.col_int_key = 1 ); col_int_nokey col_varchar_key 8 o 2 q DROP TABLE t1, t2, t4; # End of test for bug#12664936. # # Bug#13340270: assertion table->sort.record_pointers == __null # CREATE TABLE t1 ( pk int NOT NULL, col_int_key int DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key, col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (10,8,'x','x'), (11,7,'d','d'), (12,1,'r','r'), (13,7,'f','f'), (14,9,'y','y'), (15,NULL,'u','u'), (16,1,'m','m'), (17,9,NULL,NULL), (18,2,'o','o'), (19,9,'w','w'), (20,2,'m','m'), (21,4,'q','q'); CREATE TABLE t2 SELECT alias1.col_varchar_nokey AS field1 FROM t1 AS alias1 JOIN t1 AS alias2 ON alias2.col_int_key = alias1.pk OR alias2.col_int_key = alias1.col_int_key WHERE alias1.pk = 58 OR alias1.col_varchar_key = 'o' ; EXPLAIN SELECT * FROM t2 WHERE (field1) IN (SELECT alias1.col_varchar_nokey AS field1 FROM t1 AS alias1 JOIN t1 AS alias2 ON alias2.col_int_key = alias1.pk OR alias2.col_int_key = alias1.col_int_key WHERE alias1.pk = 58 OR alias1.col_varchar_key = 'o' ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE eq_ref 4 test.t2.field1 1 NULL 2 MATERIALIZED alias1 index_merge PRIMARY,col_int_key,col_varchar_key col_varchar_key,PRIMARY 4,4 NULL 2 Using sort_union(col_varchar_key,PRIMARY); Using where 2 MATERIALIZED alias2 ALL col_int_key NULL NULL NULL 12 Range checked for each record (index map: 0x2) SELECT * FROM t2 WHERE (field1) IN (SELECT alias1.col_varchar_nokey AS field1 FROM t1 AS alias1 JOIN t1 AS alias2 ON alias2.col_int_key = alias1.pk OR alias2.col_int_key = alias1.col_int_key WHERE alias1.pk = 58 OR alias1.col_varchar_key = 'o' ); field1 o o DROP TABLE t1, t2; # End of test for bug#13340270. # # Bug#13335319: Seg fault when analyzing FirstMatch semi-join strategy # CREATE TABLE ot1(a INTEGER); INSERT INTO ot1 VALUES(1), (2), (3); CREATE TABLE ot2(a INTEGER); INSERT INTO ot2 VALUES(1), (2), (4), (6), (8), (10); CREATE TABLE it1(a INTEGER); INSERT INTO it1 VALUES(1), (3), (5), (7); CREATE TABLE it2(a INTEGER); INSERT INTO it2 VALUES(1), (3), (5), (7), (9); explain SELECT ot1.a, ot2.a FROM ot1, ot2 WHERE ot1.a IN (SELECT a FROM it1) AND ot2.a IN (SELECT a FROM it2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 3 Using where 1 SIMPLE eq_ref 5 test.ot1.a 1 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 6 Using where 2 MATERIALIZED it1 ALL NULL NULL NULL NULL 4 NULL 3 MATERIALIZED it2 ALL NULL NULL NULL NULL 5 NULL SELECT ot1.a, ot2.a FROM ot1, ot2 WHERE ot1.a IN (SELECT a FROM it1) AND ot2.a IN (SELECT a FROM it2); a a 1 1 3 1 DROP TABLE ot1, ot2, it1, it2; # End of test for bug#13335319. # # Bug#13334882: Assertion keypart_map failed in MyIsam function # CREATE TABLE t1 ( pk int NOT NULL, col_int_nokey INT NOT NULL, col_int_key INT NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=MyISAM; INSERT INTO t1 VALUES (1,4,0), (2,6,8), (3,3,1), (7,2,6), (8,9,1), (9,3,6), (10,8,2), (11,1,4), (12,8,8), (13,8,4), (14,5,4); CREATE TABLE t2 ( pk int NOT NULL, col_int_nokey int NOT NULL, col_int_key int NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=MyISAM; INSERT INTO t2 VALUES (10,8,7); CREATE TABLE t3 SELECT grandparent1.col_int_nokey AS g1 FROM t1 AS grandparent1 WHERE (grandparent1.col_int_nokey, grandparent1.col_int_key) IN (SELECT parent1.col_int_key AS p1, parent1.col_int_key AS p2 FROM t1 AS parent1 LEFT JOIN t2 AS parent2 ON parent1.col_int_nokey = parent2.col_int_key ) AND grandparent1.col_int_key <> 3 ; explain SELECT * FROM t3 WHERE g1 NOT IN (SELECT grandparent1.col_int_nokey AS g1 FROM t1 AS grandparent1 WHERE (grandparent1.col_int_nokey, grandparent1.col_int_key) IN (SELECT parent1.col_int_key AS p1, parent1.col_int_key AS p2 FROM t1 AS parent1 LEFT JOIN t2 AS parent2 ON parent1.col_int_nokey = parent2.col_int_key ) AND grandparent1.col_int_key <> 3 ); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 DEPENDENT SUBQUERY grandparent1 ref col_int_key col_int_key 4 func 2 Using index condition; Using where 2 DEPENDENT SUBQUERY eq_ref 8 test.grandparent1.col_int_nokey,test.grandparent1.col_int_nokey 1 NULL 3 MATERIALIZED parent1 ref col_int_key col_int_key 4 func 2 NULL 3 MATERIALIZED parent2 ref col_int_key col_int_key 4 test.parent1.col_int_nokey 2 Using index explain format=json SELECT * FROM t3 WHERE g1 NOT IN (SELECT grandparent1.col_int_nokey AS g1 FROM t1 AS grandparent1 WHERE (grandparent1.col_int_nokey, grandparent1.col_int_key) IN (SELECT parent1.col_int_key AS p1, parent1.col_int_key AS p2 FROM t1 AS parent1 LEFT JOIN t2 AS parent2 ON parent1.col_int_nokey = parent2.col_int_key ) AND grandparent1.col_int_key <> 3 ); EXPLAIN { "query_block": { "select_id": 1, "table": { "message": "Impossible WHERE noticed after reading const tables", "attached_subqueries": [ { "dependent": true, "cacheable": false, "query_block": { "select_id": 3, "nested_loop": [ { "table": { "table_name": "grandparent1", "access_type": "ref", "possible_keys": [ "col_int_key" ], "key": "col_int_key", "used_key_parts": [ "col_int_key" ], "key_length": "4", "ref": [ "func" ], "rows": 2, "filtered": 100, "index_condition": "(`test`.`grandparent1`.`col_int_key` <> 3)", "attached_condition": "(((`test`.`grandparent1`.`col_int_key` = `test`.`grandparent1`.`col_int_nokey`) and (('8') = `test`.`grandparent1`.`col_int_nokey`)) and ((`test`.`grandparent1`.`col_int_nokey` is not null) and (`test`.`grandparent1`.`col_int_nokey` is not null)))" } }, { "table": { "table_name": "", "access_type": "eq_ref", "key": "", "key_length": "8", "ref": [ "test.grandparent1.col_int_nokey", "test.grandparent1.col_int_nokey" ], "rows": 1, "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "nested_loop": [ { "table": { "table_name": "parent1", "access_type": "ref", "possible_keys": [ "col_int_key" ], "key": "col_int_key", "used_key_parts": [ "col_int_key" ], "key_length": "4", "ref": [ "func" ], "rows": 2, "filtered": 100 } }, { "table": { "table_name": "parent2", "access_type": "ref", "possible_keys": [ "col_int_key" ], "key": "col_int_key", "used_key_parts": [ "col_int_key" ], "key_length": "4", "ref": [ "test.parent1.col_int_nokey" ], "rows": 2, "filtered": 100, "using_index": true } } ] } } } } ] } } ] } } } Warnings: Note 1003 /* select#1 */ select '8' AS `g1` from dual where (not(('8',(/* select#2 */ select 1 from `test`.`t1` `grandparent1` semi join (`test`.`t1` `parent1` left join `test`.`t2` `parent2` on((`test`.`parent1`.`col_int_nokey` = `test`.`parent2`.`col_int_key`))) where ((`test`.`grandparent1`.`col_int_key` = `test`.`grandparent1`.`col_int_nokey`) and (``.`p1` = `test`.`grandparent1`.`col_int_nokey`) and (``.`p2` = `test`.`grandparent1`.`col_int_nokey`) and (`test`.`grandparent1`.`col_int_key` <> 3) and (('8') = `test`.`grandparent1`.`col_int_nokey`)))))) SELECT * FROM t3 WHERE g1 NOT IN (SELECT grandparent1.col_int_nokey AS g1 FROM t1 AS grandparent1 WHERE (grandparent1.col_int_nokey, grandparent1.col_int_key) IN (SELECT parent1.col_int_key AS p1, parent1.col_int_key AS p2 FROM t1 AS parent1 LEFT JOIN t2 AS parent2 ON parent1.col_int_nokey = parent2.col_int_key ) AND grandparent1.col_int_key <> 3 ); g1 DROP TABLE t1, t2, t3; # End of test for bug#13334882. # # Bug#13339643: Assertion on JOIN::flatten_subqueries on second execution # CREATE TABLE t1 ( col_int_nokey INT, col_varchar_nokey VARCHAR(1) ); INSERT INTO t1 VALUES (1,'o'), (2,'t'); CREATE TABLE t2 LIKE t1; INSERT INTO t2 VALUES (1,'o'), (4,'f'); CREATE VIEW v_t2 AS SELECT * FROM t2; CREATE TABLE t3 LIKE t1; INSERT INTO t3 VALUES (1,'o'), (4,'f'); explain SELECT alias1.col_varchar_nokey FROM t1 AS alias1 INNER JOIN v_t2 AS alias2 ON alias2.col_int_nokey = alias1.col_int_nokey AND 'o' IN (SELECT col_varchar_nokey FROM t3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where; FirstMatch 1 SIMPLE alias1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where SELECT alias1.col_varchar_nokey FROM t1 AS alias1 INNER JOIN v_t2 AS alias2 ON alias2.col_int_nokey = alias1.col_int_nokey AND 'o' IN (SELECT col_varchar_nokey FROM t3); col_varchar_nokey o PREPARE stmt FROM "SELECT alias1.col_varchar_nokey FROM t1 AS alias1 INNER JOIN v_t2 AS alias2 ON alias2.col_int_nokey = alias1.col_int_nokey AND 'o' IN (SELECT col_varchar_nokey FROM t3)"; EXECUTE stmt; col_varchar_nokey o DROP VIEW v_t2; DROP TABLE t1, t2, t3; # End of test for bug#13339643. # # Bug#13424134: Wrong result on JOIN + nested WHERE ... IN clauses # CREATE TABLE t1 ( pk int NOT NULL, col_int_nokey int NOT NULL, col_int_key int NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=MyIsam; INSERT INTO t1 VALUES (10,1,7), (13,7,3), (18,0,1), (23,8,1); CREATE TABLE t2 ( pk int NOT NULL, col_int_key int NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=MyIsam; INSERT INTO t2 VALUES (1,7); EXPLAIN SELECT t1a.* FROM t1 AS t1a JOIN t1 AS t1b USING ( col_int_nokey ) WHERE t1a.col_int_key IN ( SELECT pk FROM t2 WHERE col_int_key IN ( SELECT col_int_nokey FROM t1 ) ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 system PRIMARY,col_int_key NULL NULL NULL 1 NULL 1 SIMPLE t1a ref col_int_key col_int_key 4 const 1 NULL 1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t1a) 1 SIMPLE t1b ALL NULL NULL NULL NULL 4 Using where SELECT t1a.* FROM t1 AS t1a JOIN t1 AS t1b USING ( col_int_nokey ) WHERE t1a.col_int_key IN ( SELECT pk FROM t2 WHERE col_int_key IN ( SELECT col_int_nokey FROM t1 ) ); pk col_int_nokey col_int_key 18 0 1 23 8 1 ALTER TABLE t1 ENGINE=Innodb; ALTER TABLE t2 ENGINE=Innodb; SELECT t1a.* FROM t1 AS t1a JOIN t1 AS t1b USING ( col_int_nokey ) WHERE t1a.col_int_key IN ( SELECT pk FROM t2 WHERE col_int_key IN ( SELECT col_int_nokey FROM t1 ) ); pk col_int_nokey col_int_key 18 0 1 23 8 1 DROP TABLE t1, t2; # End of test for bug#13424134. # # Bug#13414014: Extra rows in result on semijoin query with where ... # CREATE TABLE t1 ( c INT, d INT, a VARCHAR(1), b VARCHAR(1), KEY a (a) ); INSERT INTO t1 VALUES (NULL,8,'x','x'), (7,4,'q','q'), (6,8,'c','c'); CREATE TABLE t2 ( a VARCHAR(1), KEY a (a) ); INSERT INTO t2 VALUES ('c'), (NULL), ('x'), ('q'); explain SELECT * FROM t2 AS ot WHERE (a, a) IN (SELECT a, b FROM t1 AS it WHERE it.a = 'x' OR it.c > it.d ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot index a a 4 NULL 4 Using where; Using index 1 SIMPLE eq_ref 8 test.ot.a,test.ot.a 1 NULL 2 MATERIALIZED it ALL a NULL NULL NULL 3 Using where SELECT * FROM t2 AS ot WHERE (a, a) IN (SELECT a, b FROM t1 AS it WHERE it.a = 'x' OR it.c > it.d ) ; a q x DROP TABLE t1, t2; # End of test for bug#13414014. # # Bug#13545215: Missing rows on nested in-subquery with materialization # CREATE TABLE t1 ( col_int_key int, col_varchar_key varchar(1), col_varchar_nokey varchar(1), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) ; INSERT INTO t1 VALUES (8,'x','x'), (0,'p','p'), (8,'c','c'); CREATE TABLE t2 ( pk int NOT NULL, col_varchar_key varchar(1), col_varchar_nokey varchar(1), PRIMARY KEY (pk), KEY col_varchar_key (col_varchar_key) ); INSERT INTO t2 VALUES (1,'v','v'), (2,'v','v'), (3,'c','c'), (4,NULL,NULL), (5,'x','x'), (6,'i','i'), (7,'e','e'), (8,'p','p'); CREATE TABLE t3 ( col_int_nokey int ); INSERT INTO t3 VALUES (7); explain SELECT grandparent1.col_varchar_nokey FROM t1 AS grandparent1 JOIN t1 AS grandparent2 USING (col_int_key) WHERE grandparent1.col_varchar_key IN ( SELECT col_varchar_nokey FROM t2 AS parent1 WHERE col_varchar_key IN ( SELECT child1.col_varchar_nokey FROM t2 AS child1 LEFT JOIN t3 AS child2 ON child1.pk < child2.col_int_nokey ) ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE grandparent1 ref col_int_key,col_varchar_key col_varchar_key 4 .col_varchar_nokey 1 Using index condition; Using join buffer (Batched Key Access) 1 SIMPLE grandparent2 ref col_int_key col_int_key 5 test.grandparent1.col_int_key 2 Using index 2 MATERIALIZED child1 ALL NULL NULL NULL NULL 8 Using where 2 MATERIALIZED child2 ALL NULL NULL NULL NULL 1 Using where 2 MATERIALIZED parent1 ref col_varchar_key col_varchar_key 4 test.child1.col_varchar_nokey 2 Using join buffer (Batched Key Access) SELECT grandparent1.col_varchar_nokey FROM t1 AS grandparent1 JOIN t1 AS grandparent2 USING (col_int_key) WHERE grandparent1.col_varchar_key IN ( SELECT col_varchar_nokey FROM t2 AS parent1 WHERE col_varchar_key IN ( SELECT child1.col_varchar_nokey FROM t2 AS child1 LEFT JOIN t3 AS child2 ON child1.pk < child2.col_int_nokey ) ); col_varchar_nokey c c p x x DROP TABLE t1, t2, t3; # End of test for bug#13545215. # # BUG#13553211 - MISSING ROWS ON SELECT WITH IN-SUBQUERY AND # MATERIALIZATION + SEMIJOIN ON # CREATE TABLE t1 ( col_int_key int(11) DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t1 VALUES (4,'v','v'); INSERT INTO t1 VALUES (62,'v','v'); INSERT INTO t1 VALUES (7,'c','c'); INSERT INTO t1 VALUES (1,NULL,NULL); EXPLAIN SELECT alias1.col_varchar_nokey AS a1_nokey, alias1.col_varchar_key AS a1_key, alias2.col_varchar_nokey AS a2_nokey FROM t1 AS alias1, t1 AS alias2 WHERE (alias1.col_varchar_nokey,alias2.col_varchar_nokey) IN ( SELECT SQ2_alias2.col_varchar_nokey, SQ2_alias1.col_varchar_key FROM t1 AS SQ2_alias1, t1 AS SQ2_alias2 ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE alias1 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE alias2 ALL NULL NULL NULL NULL 4 Using where 1 SIMPLE eq_ref 8 test.alias1.col_varchar_nokey,test.alias2.col_varchar_nokey 1 NULL 2 MATERIALIZED SQ2_alias1 index col_varchar_key col_varchar_key 9 NULL 4 Using index 2 MATERIALIZED SQ2_alias2 ALL NULL NULL NULL NULL 4 NULL SELECT alias1.col_varchar_nokey AS a1_nokey, alias1.col_varchar_key AS a1_key, alias2.col_varchar_nokey AS a2_nokey FROM t1 AS alias1, t1 AS alias2 WHERE (alias1.col_varchar_nokey,alias2.col_varchar_nokey) IN ( SELECT SQ2_alias2.col_varchar_nokey, SQ2_alias1.col_varchar_key FROM t1 AS SQ2_alias1, t1 AS SQ2_alias2 ) ; a1_nokey a1_key a2_nokey c c c c c v c c v v v c v v c v v v v v v v v v v v v DROP TABLE t1; # # Bug#13541406: Wrong result with loosescan on select .. where .. in # CREATE TABLE t1 ( col_int_key INT NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (7,'v'), (0,'s'), (9,'l'), (3,'y'), (4,'c'), (2,'i'), (5,'h'), (3,'q'), (1,'a'), (3,'v'), (6,'u'), (7,'s'), (5,'y'), (1,'z'), (204,'h'), (224,'p'), (9,'e'), (5,'i'), (0,'y'), (3,'w'); CREATE TABLE t2 ( pk INT NOT NULL, col_int_key INT NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1,0,'j','j'), (2,8,'v','v'), (3,1,'c','c'), (4,8,'m','m'), (5,9,'d','d'), (6,24,'d','d'), (7,6,'y','y'), (8,1,'t','t'), (9,6,'d','d'), (10,2,'s','s'), (11,4,'r','r'), (12,8,'m','m'), (13,4,'b','b'), (14,4,'x','x'), (15,7,'g','g'), (16,4,'p','p'), (17,1,'q','q'), (18,9,'w','w'), (19,4,'d','d'), (20,8,'e','e'); # This query should never use a LooseScan strategy explain SELECT ot1.col_int_key AS field1 FROM t2 AS ot1, t2 AS ot2 WHERE (ot1.col_varchar_key, ot2.col_varchar_nokey) IN ( SELECT it2.col_varchar_nokey, it1.col_varchar_key FROM t2 AS it1 JOIN t1 AS it2 ON it2.col_int_key = it1.pk); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot2 ALL NULL NULL NULL NULL 20 Start temporary 1 SIMPLE it1 ref PRIMARY,col_varchar_key col_varchar_key 3 test.ot2.col_varchar_nokey 1 Using index 1 SIMPLE it2 ref col_int_key col_int_key 4 test.it1.pk 1 Using join buffer (Batched Key Access) 1 SIMPLE ot1 ref col_varchar_key col_varchar_key 3 test.it2.col_varchar_nokey 1 Using index; End temporary SELECT ot1.col_int_key AS field1 FROM t2 AS ot1, t2 AS ot2 WHERE (ot1.col_varchar_key, ot2.col_varchar_nokey) IN ( SELECT it2.col_varchar_nokey, it1.col_varchar_key FROM t2 AS it1 JOIN t1 AS it2 ON it2.col_int_key = it1.pk); field1 1 1 1 2 6 6 6 6 6 8 8 8 8 8 8 9 DROP TABLE t1, t2; # End of test for bug#13541406. # # Bug#13576391: Missing rows on select with in-subquery and # batched-key-access=on and semijoin # CREATE TABLE t1 ( col_int_nokey int NOT NULL, col_varchar_key varchar(1) NOT NULL, KEY col_varchar_key (col_varchar_key) ) engine=InnoDB; INSERT INTO t1 VALUES (1,'v'), (7,'s'), (4,'l'), (7,'y'), (0,'c'), (2,'i'), (9,'h'), (4,'q'), (0,'a'), (9,'v'), (1,'u'), (3,'s'), (8,'y'), (8,'z'), (18,'h'), (84,'p'), (6,'e'), (3,'i'), (6,'y'), (6,'w'); CREATE TABLE t2 ( col_int_nokey int NOT NULL, col_varchar_nokey varchar(1) NOT NULL ) engine=InnoDB; INSERT INTO t2 VALUES (4,'j'), (6,'v'), (3,'c'), (5,'m'), (3,'d'), (246,'d'), (2,'y'), (9,'t'), (3,'d'), (8,'s'), (1,'r'), (8,'m'), (8,'b'), (5,'x'), (7,'g'), (5,'p'), (1,'q'), (6,'w'), (2,'d'), (9,'e'); explain SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 20 Using where; Using temporary; Using filesort 1 SIMPLE it ref col_varchar_key col_varchar_key 3 test.ot.col_varchar_nokey 1 FirstMatch(ot); Using join buffer (Batched Key Access) SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; col_varchar_nokey c e p s v w y ALTER TABLE t1 ENGINE=MyISAM; ALTER TABLE t2 ENGINE=MyISAM; explain SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 20 Using where; Using temporary; Using filesort 1 SIMPLE it ref col_varchar_key col_varchar_key 3 test.ot.col_varchar_nokey 2 FirstMatch(ot); Using join buffer (Batched Key Access) SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; col_varchar_nokey c e p s v w y ALTER TABLE t1 ENGINE=Memory; ALTER TABLE t2 ENGINE=Memory; explain SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot ALL NULL NULL NULL NULL 20 Using where; Using filesort 1 SIMPLE it ref col_varchar_key col_varchar_key 3 test.ot.col_varchar_nokey 2 FirstMatch(ot) SELECT col_varchar_nokey FROM t2 AS ot WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t1 AS it WHERE it.col_int_nokey <= it.col_int_nokey AND NOT ot.col_int_nokey < 2 ) ORDER BY col_varchar_nokey; col_varchar_nokey c e p s v w y DROP TABLE t1, t2; # End of test for bug#13576391. # # Bug #13589848 "MISSING ROW ON SELECT WITH NESTED IN CLAUSES WHEN LOOSESCAN=ON" # CREATE TABLE t1 ( id INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), KEY (col_varchar_key) ); INSERT INTO t1 VALUES (100,'m','m'), (200,'b','b'), (300,'x','x'); CREATE TABLE t2 ( col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), KEY (col_varchar_key) ); INSERT INTO t2 VALUES ('b','b'); CREATE TABLE t3 ( col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), KEY (col_varchar_key) ); INSERT INTO t3 VALUES ('k','k'); EXPLAIN SELECT GP1.id FROM t1 AS GP1 JOIN t3 AS GP2 ON GP2.col_varchar_key <> GP1.col_varchar_nokey WHERE (GP1.col_varchar_nokey, GP1.col_varchar_nokey) IN ( SELECT col_varchar_nokey, col_varchar_nokey FROM t1 WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t2 LEFT JOIN t3 USING (col_varchar_key) ) ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE GP2 system NULL NULL NULL NULL 1 NULL 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE GP1 ALL NULL NULL NULL NULL 3 Using where 2 MATERIALIZED t2 index col_varchar_key col_varchar_key 4 NULL 1 Using index 2 MATERIALIZED t3 ref col_varchar_key col_varchar_key 4 test.t2.col_varchar_key 2 Using index 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 3 Using where SELECT GP1.id FROM t1 AS GP1 JOIN t3 AS GP2 ON GP2.col_varchar_key <> GP1.col_varchar_nokey WHERE (GP1.col_varchar_nokey, GP1.col_varchar_nokey) IN ( SELECT col_varchar_nokey, col_varchar_nokey FROM t1 WHERE col_varchar_nokey IN ( SELECT col_varchar_key FROM t2 LEFT JOIN t3 USING (col_varchar_key) ) ) ; id 200 DROP TABLE t1,t2,t3; # # Bug #13596176: Missing row on select with nested in clause when # matr=on and bnl=off + MyISAM # CREATE TABLE t1 ( int_key int DEFAULT NULL, vc_key varchar(1) DEFAULT NULL, vc_nokey varchar(1) DEFAULT NULL, KEY int_key (int_key), KEY vc_key (vc_key, int_key) ) ENGINE=MyISAM; INSERT INTO t1 VALUES (8,'x','x'), (7,'d','d'), (1,'r','r'), (7,'f','f'), (9,'y','y'), (NULL,'u','u'), (1,'m','m'), (9,NULL,NULL), (2,'o','o'), (9,'w','w'), (2,'m','m'), (4,'q','q'), (0,NULL,NULL), (4,'d','d'), (8,'g','g'), (NULL,'x','x'), (NULL,'f','f'), (0,'p','p'), (NULL,'j','j'), (8,'c','c'); CREATE TABLE t2 ( int_key int DEFAULT NULL, vc_key varchar(1) DEFAULT NULL, KEY int_key (int_key), KEY vc_key (vc_key, int_key) ) ENGINE=MyISAM; INSERT INTO t2 VALUES (8,'g'); explain SELECT vc_key FROM t1 as outr WHERE (vc_nokey, vc_key ) IN (SELECT vc_nokey, vc_nokey FROM t1 middle WHERE vc_nokey IN (SELECT child1.vc_key FROM t2 AS child1 JOIN t1 AS child2 USING (int_key) ) ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE outr ref vc_key vc_key 4 .vc_nokey 3 Using where; Using join buffer (Batched Key Access) 2 MATERIALIZED child1 index int_key,vc_key vc_key 9 NULL 1 Using where; Using index 2 MATERIALIZED child2 ref int_key int_key 5 test.child1.int_key 3 Using index 2 MATERIALIZED middle ALL NULL NULL NULL NULL 20 Using where SELECT vc_key FROM t1 as outr WHERE (vc_nokey, vc_key ) IN (SELECT vc_nokey, vc_nokey FROM t1 middle WHERE vc_nokey IN (SELECT child1.vc_key FROM t2 AS child1 JOIN t1 AS child2 USING (int_key) ) ); vc_key g DROP TABLE t1, t2; # End of test for bug#13596176. # # BUG#11754478: MAX/MIN + SUBQUERY + AND FAILS TO RETURN ANY ROWS # BUG#13599013: MAX/MIN + SUBQUERY IN WHERE CLAUSE MATCHING NO # ROWS + INDEX DOES NOT RETURN NULL # CREATE TABLE t1 ( pk int(11) PRIMARY KEY, int_key int(11), KEY int_key (int_key) ); INSERT INTO t1 VALUES (1,0),(2,0),(3,2),(4,0),(5,3),(6,0); SELECT MIN(int_key) FROM t1 WHERE (4, 4) IN (SELECT 1, 2); MIN(int_key) NULL SELECT MIN(int_key) FROM t1 WHERE (4, 4) IN (SELECT 4, 4); MIN(int_key) 0 SELECT MIN(pk) FROM t1 WHERE pk IN (SELECT int_key FROM t1) AND pk = 6; MIN(pk) NULL DROP TABLE t1; # BUG#13726217: Crash in Item_ident::fix_after_pullout() CREATE TABLE t1(a INTEGER) engine=innodb; INSERT INTO t1 VALUES (0); SELECT 0 FROM t1 WHERE 0 IN (SELECT 0 FROM t1 WHERE 0 LIKE (SELECT elt(a, 0) AS b FROM t1 GROUP BY a HAVING b ) ); 0 DROP TABLE t1; # End of test for bug#13726217. # BUG#13773979: Missing rows on second execution of prepared statement CREATE TABLE t1 ( col_int_nokey INT, col_int_key INT, col_varchar_key VARCHAR(1) ); INSERT INTO t1 VALUES (1,7,'v'), (7,0,'s'), (4,9,'l'), (7,3,'y'), (2,2,'i'), (9,5,'h'), (0,1,'a'), (9,3,'v'); CREATE VIEW v1 AS SELECT * FROM t1; SELECT * FROM t1 WHERE col_int_key IN ( SELECT alias1.col_int_nokey AS field1 FROM v1 AS alias1 WHERE alias1.col_varchar_key < 'v' ); col_int_nokey col_int_key col_varchar_key 1 7 v 7 0 s 4 9 l 2 2 i prepare stmt FROM "SELECT * FROM t1 WHERE col_int_key IN ( SELECT alias1.col_int_nokey AS field1 FROM v1 AS alias1 WHERE alias1.col_varchar_key < 'v' )"; execute stmt; col_int_nokey col_int_key col_varchar_key 1 7 v 7 0 s 4 9 l 2 2 i execute stmt; col_int_nokey col_int_key col_varchar_key 1 7 v 7 0 s 4 9 l 2 2 i DEALLOCATE PREPARE stmt; DROP VIEW v1; DROP TABLE t1; # End of test for bug#13773979. # # BUG#13685026 ASSERTION CUR_SJ_INNER_TABLES == 0 IN # --OPTIMIZE_TABLE_ORDER::CHOOSE_TABLE_ORDER # CREATE TABLE t1 ( col_int_key INT(11) NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t1 VALUES (0,'2002-02-13 17:30:06','j','j'); INSERT INTO t1 VALUES (8,'2008-09-27 00:34:58','v','v'); CREATE TABLE t2 ( col_int_key INT(11) NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t2 VALUES (7,'2003-08-21 00:00:00','b','b'); SET @old_depth=@@optimizer_search_depth; SET optimizer_search_depth=4; EXPLAIN SELECT col_datetime_key FROM t1 as outr WHERE col_datetime_key IN ( SELECT alias1.col_datetime_key FROM t1 AS alias1 LEFT JOIN t1 as alias3 STRAIGHT_JOIN ( t2 AS alias4 JOIN t1 AS alias5 ON alias5.col_varchar_key <= alias4.col_varchar_nokey ) ON alias5.col_int_key < alias4.col_int_key ON alias5.col_varchar_key = alias4.col_varchar_key ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE outr ref col_datetime_key col_datetime_key 5 .col_datetime_key 2 Using index 2 MATERIALIZED alias1 index NULL col_datetime_key 5 NULL 2 Using index 2 MATERIALIZED alias4 ALL col_int_key,col_varchar_key NULL NULL NULL 1 NULL 2 MATERIALIZED alias5 ref col_int_key,col_varchar_key col_varchar_key 3 test.alias4.col_varchar_key 1 Using where; Using index 2 MATERIALIZED alias3 index NULL col_int_key 4 NULL 2 Using index SELECT col_datetime_key FROM t1 as outr WHERE col_datetime_key IN ( SELECT alias1.col_datetime_key FROM t1 AS alias1 LEFT JOIN t1 as alias3 STRAIGHT_JOIN ( t2 AS alias4 JOIN t1 AS alias5 ON alias5.col_varchar_key <= alias4.col_varchar_nokey ) ON alias5.col_int_key < alias4.col_int_key ON alias5.col_varchar_key = alias4.col_varchar_key ); col_datetime_key 2002-02-13 17:30:06 2008-09-27 00:34:58 DROP TABLE t1,t2; SET @@optimizer_search_depth=@old_depth; # # BUG#13848789: SEGFAULT IN JOIN_READ_NEXT_SAME AT # SQL/SQL_EXECUTOR.CC ON HAVING...IN...JOIN # CREATE TABLE t1 ( col_int_key INT, col_varchar_key VARCHAR(1), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key) ); INSERT INTO t1 VALUES (8,'x'); CREATE TABLE t2 ( col_varchar_key VARCHAR(1), KEY col_varchar_key (col_varchar_key) ); INSERT INTO t2 VALUES ('x'), ('y'); explain SELECT MIN(col_int_key) FROM t1 as t1_outer HAVING (1, 2) IN ( SELECT t1_inner.col_int_key, MAX(t1_inner.col_int_key) FROM t1 as t1_inner JOIN t2 ON t2.col_varchar_key = t1_inner.col_varchar_key ); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY t1_inner system col_varchar_key NULL NULL NULL 1 NULL 2 SUBQUERY t2 ref col_varchar_key col_varchar_key 4 const 1 Using index SELECT MIN(col_int_key) FROM t1 as t1_outer HAVING (1, 2) IN ( SELECT t1_inner.col_int_key, MAX(t1_inner.col_int_key) FROM t1 as t1_inner JOIN t2 ON t2.col_varchar_key = t1_inner.col_varchar_key ); MIN(col_int_key) DROP TABLE t1,t2; # Bug#13838810: Segfault in evaluate_null_complemented_join_record CREATE TABLE t1 ( pk int NOT NULL, col_int_nokey int DEFAULT NULL, col_int_key int DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (10,NULL,8,'x'); CREATE TABLE t2 ( pk int NOT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, PRIMARY KEY (pk) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1,'x'); CREATE TABLE t3 ( pk int NOT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, PRIMARY KEY (pk), KEY col_varchar_key (col_varchar_key) ) ENGINE=InnoDB; INSERT INTO t3 VALUES (1,'v','v'), (2,'v','v'), (3,'c','c'), (4,NULL,NULL); EXPLAIN SELECT table1.pk,table2.pk, table3.pk FROM t2 AS table1 LEFT JOIN t1 AS table2 LEFT JOIN t1 AS table3 ON table3.col_int_key = table2.col_int_key ON table3.pk = table2.col_int_nokey AND table1.col_varchar_nokey IN ( SELECT subquery3_t1.col_varchar_nokey FROM t3 AS subquery3_t1 LEFT JOIN t1 AS subquery3_t2 ON subquery3_t2.col_varchar_key = subquery3_t1.col_varchar_key WHERE subquery3_t2.col_int_nokey <> 9 ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE table1 ALL NULL NULL NULL NULL 1 NULL 1 SIMPLE table2 ALL col_int_key NULL NULL NULL 1 Using where 1 SIMPLE table3 eq_ref PRIMARY,col_int_key PRIMARY 4 test.table2.col_int_nokey 1 Using where 1 SIMPLE subquery3_t2 ALL col_varchar_key NULL NULL NULL 1 Using where 1 SIMPLE subquery3_t1 ref col_varchar_key col_varchar_key 4 test.subquery3_t2.col_varchar_key 1 Using where; FirstMatch(table3) SELECT table1.pk,table2.pk, table3.pk FROM t2 AS table1 LEFT JOIN t1 AS table2 LEFT JOIN t1 AS table3 ON table3.col_int_key = table2.col_int_key ON table3.pk = table2.col_int_nokey AND table1.col_varchar_nokey IN ( SELECT subquery3_t1.col_varchar_nokey FROM t3 AS subquery3_t1 LEFT JOIN t1 AS subquery3_t2 ON subquery3_t2.col_varchar_key = subquery3_t1.col_varchar_key WHERE subquery3_t2.col_int_nokey <> 9 ) ; pk pk pk 1 NULL NULL DROP TABLE t1, t2, t3; Extra test case for specific code coverage CREATE TABLE t1(pk INTEGER); INSERT INTO t1 VALUES(1), (2); explain SELECT * FROM t1 AS ot1 LEFT JOIN t1 AS ot2 ON ot1.pk=ot2.pk AND ot2.pk IN (SELECT it1.pk FROM t1 AS it1 LEFT JOIN t1 AS it2 ON it1.pk=it2.pk); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE ot2 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE it1 ALL NULL NULL NULL NULL 2 Using where 1 SIMPLE it2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(ot2) SELECT * FROM t1 AS ot1 LEFT JOIN t1 AS ot2 ON ot1.pk=ot2.pk AND ot2.pk IN (SELECT it1.pk FROM t1 AS it1 LEFT JOIN t1 AS it2 ON it1.pk=it2.pk); pk pk 1 1 2 2 DROP TABLE t1; # End of test for bug#13838810. # # BUG#13685026 ASSERTION CUR_SJ_INNER_TABLES == 0 IN # --OPTIMIZE_TABLE_ORDER::CHOOSE_TABLE_ORDER # CREATE TABLE t1 ( col_int_key INT(11) NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t1 VALUES (0,'2002-02-13 17:30:06','j','j'); INSERT INTO t1 VALUES (8,'2008-09-27 00:34:58','v','v'); CREATE TABLE t2 ( col_int_key INT(11) NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(1) NOT NULL, KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t2 VALUES (7,'2003-08-21 00:00:00','b','b'); SET @old_depth=@@optimizer_search_depth; SET optimizer_search_depth=4; EXPLAIN SELECT col_datetime_key FROM t1 as outr WHERE col_datetime_key IN ( SELECT alias1.col_datetime_key FROM t1 AS alias1 LEFT JOIN t1 as alias3 STRAIGHT_JOIN ( t2 AS alias4 JOIN t1 AS alias5 ON alias5.col_varchar_key <= alias4.col_varchar_nokey ) ON alias5.col_int_key < alias4.col_int_key ON alias5.col_varchar_key = alias4.col_varchar_key ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ALL NULL NULL NULL NULL NULL Using where 1 SIMPLE outr ref col_datetime_key col_datetime_key 5 .col_datetime_key 2 Using index 2 MATERIALIZED alias1 index NULL col_datetime_key 5 NULL 2 Using index 2 MATERIALIZED alias4 ALL col_int_key,col_varchar_key NULL NULL NULL 1 NULL 2 MATERIALIZED alias5 ref col_int_key,col_varchar_key col_varchar_key 3 test.alias4.col_varchar_key 1 Using where; Using index 2 MATERIALIZED alias3 index NULL col_int_key 4 NULL 2 Using index SELECT col_datetime_key FROM t1 as outr WHERE col_datetime_key IN ( SELECT alias1.col_datetime_key FROM t1 AS alias1 LEFT JOIN t1 as alias3 STRAIGHT_JOIN ( t2 AS alias4 JOIN t1 AS alias5 ON alias5.col_varchar_key <= alias4.col_varchar_nokey ) ON alias5.col_int_key < alias4.col_int_key ON alias5.col_varchar_key = alias4.col_varchar_key ); col_datetime_key 2002-02-13 17:30:06 2008-09-27 00:34:58 DROP TABLE t1,t2; SET @@optimizer_search_depth=@old_depth; # # Bug#13845930: Segfault in st_join_table::and_with_condition # CREATE TABLE t1 ( col_int INTEGER ); CREATE TABLE t2 ( col_varchar_1 VARCHAR(1), col_varchar_2 VARCHAR(1) ); INSERT INTO t2 VALUES ('x','x'), ('c','c'); PREPARE stmt FROM ' SELECT alias2.col_varchar_2 AS field1 FROM t2 AS alias1 JOIN (t2 AS alias2 LEFT JOIN t2 AS alias3 ON (8, 92) IN (SELECT sq1_alias1.col_int, sq1_alias2.col_int FROM t1 AS sq1_alias1 JOIN t1 AS sq1_alias2 ) ) ON alias3.col_varchar_1 = alias2.col_varchar_2 '; EXECUTE stmt; field1 EXECUTE stmt; field1 DEALLOCATE prepare stmt; DROP TABLE t1, t2; # End of test for bug#13845930. # # Bug#13855925: Assert 'prebuilt->search_tuple->n_fields > 0' # in ha_innobase::index_read # CREATE TABLE t1 ( pk INTEGER AUTO_INCREMENT, col_int_nokey INT, col_int_key INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk), KEY (col_varchar_key) ) ENGINE=INNODB; INSERT INTO t1 ( col_int_key, col_int_nokey, col_varchar_key, col_varchar_nokey ) VALUES (4, 2, 'v','v'), (62, 150, 'v','v'), (7, NULL, 'c','c'), (1, 2, NULL, NULL), (0, 5, 'x','x'), (7, 3, 'i','i'), (7, 1, 'e','e'), (1, 4, 'p','p'), (7, NULL, 's','s'), (1, 2, 'j','j'), (5, 6, 'z','z'), (2, 6, 'c','c'), (0, 8, 'a','a'), (1, 2, 'q','q'), (8, 6, 'y','y'), (1, 8, NULL, NULL), (1, 3, 'r','r'), (9, 3, 'v','v'), (1, 9, NULL, NULL), (5, 6, 'r','r'); CREATE TABLE t2 ( pk INT AUTO_INCREMENT, col_int_nokey INT, col_int_key INT, PRIMARY KEY (pk), KEY (col_int_key) ) AUTO_INCREMENT=10 ENGINE=INNODB; INSERT INTO t2 (col_int_key, col_int_nokey) VALUES (8, NULL), (7, 8), (1, 1), (7, 9), (9, 4), (NULL, 3), (1, 2), (9, NULL), (2, 2), (9, NULL), (2, 6), (4, 7), (0, 2), (4, 5), (8, 7), (NULL, 6), (NULL, 6), (0, 2), (NULL, 9), (8, 6); CREATE TABLE t3 ( pk INT AUTO_INCREMENT, col_varchar_key VARCHAR(1), PRIMARY KEY (pk), KEY (col_varchar_key) ) ENGINE=INNODB; INSERT INTO t3 (col_varchar_key) VALUES ('c'), ('c'), ('q'), ('g'), ('e'), ('l'), (NULL), ('c'), ('h'), ('d'), ('c'), ('i'), ('t'), ('g'), ('q'), ('l'), ('n'), ('z'), ('n'), ('r'), ('p'); CREATE VIEW v1 AS SELECT table2.col_varchar_nokey AS field1 FROM t2 AS table1 INNER JOIN (t1 AS table2 STRAIGHT_JOIN t2 AS table3 ON table3.col_int_key = table2.pk AND table3.col_int_nokey = ANY (SELECT subquery1_t2.col_int_nokey AS subquery1_field1 FROM t2 AS subquery1_t1 RIGHT OUTER JOIN t1 AS subquery1_t2 INNER JOIN t1 AS subquery1_t3 ON subquery1_t3.col_int_key = subquery1_t2.pk ON subquery1_t3.col_varchar_key=subquery1_t2.col_varchar_nokey WHERE subquery1_t1.pk > 1 ) ) ON table3.col_int_key IN (SELECT subquery2_t1.col_int_key AS subquery2_field1 FROM t2 AS subquery2_t1 RIGHT OUTER JOIN t3 AS subquery2_t2 LEFT OUTER JOIN t1 AS subquery2_t3 ON subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_key ON subquery2_t3.pk = subquery2_t2.pk ) ; explain SELECT * FROM v1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE table1 index NULL col_int_key 5 NULL 20 Using index 1 SIMPLE ALL NULL NULL NULL NULL NULL NULL 1 SIMPLE table2 ALL PRIMARY NULL NULL NULL 20 Using where 1 SIMPLE table3 ref col_int_key col_int_key 5 test.table2.pk 1 Using where; Using join buffer (Batched Key Access) 1 SIMPLE eq_ref 5 test.table2.pk 1 NULL 3 MATERIALIZED subquery1_t2 ALL PRIMARY NULL NULL NULL 20 Using where 3 MATERIALIZED subquery1_t3 ref col_varchar_key col_varchar_key 4 test.subquery1_t2.col_varchar_nokey 1 Using where; Using join buffer (Batched Key Access) 3 MATERIALIZED subquery1_t1 index PRIMARY col_int_key 5 NULL 20 Using where; Using index 4 MATERIALIZED subquery2_t3 index PRIMARY,col_varchar_key col_varchar_key 4 NULL 20 Using where; Using index 4 MATERIALIZED subquery2_t2 eq_ref PRIMARY,col_varchar_key PRIMARY 4 test.subquery2_t3.pk 1 Using where 4 MATERIALIZED subquery2_t1 index col_int_key col_int_key 5 NULL 20 Using index SELECT * FROM v1; field1 v v v v v v v v v v v v v v v v v v v v DROP VIEW v1; DROP TABLE t1,t2,t3; # End of test for bug#13855925. # # Bug#13897959: Segfault in setup_semijoin_dups_elimination() # CREATE TABLE t1 ( col_datetime_key DATETIME DEFAULT NULL, KEY col_datetime_key (col_datetime_key) ) ENGINE=MyISAM; INSERT INTO t1 VALUES ('2001-04-18 00:00:00'), ('2008-12-18 19:39:55'), ('2000-08-01 12:19:39'), ('2004-09-25 21:29:06'), ('2009-09-20 09:11:48'), ('2004-03-27 09:32:04'); CREATE TABLE t2 ( col_date_nokey date DEFAULT NULL, col_time_key time DEFAULT NULL, col_datetime_key datetime DEFAULT NULL, col_varchar_key varchar(1) DEFAULT NULL, col_varchar_nokey varchar(1) DEFAULT NULL, KEY col_time_key (col_time_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key(col_varchar_key) ) ENGINE=MyISAM; INSERT INTO t2 VALUES ('1900-01-01',NULL,'2001-11-04 19:07:55','x','x'); SELECT grandparent1.col_varchar_nokey FROM t2 AS grandparent1 LEFT JOIN t1 USING (col_datetime_key) WHERE grandparent1.col_varchar_nokey IN ( SELECT col_varchar_nokey FROM t2 AS parent1 WHERE parent1.col_time_key > grandparent1.col_date_nokey ); col_varchar_nokey DROP TABLE t1, t2; # End of test for bug#13897959. # # Bug#13898625 ASSERT `(REMAINING_TABLES_AFTER != 0) ...' IN # BEST_EXTENSION_BY_LIMITED_SEARCH # CREATE TABLE t1 ( pk int(11) NOT NULL, col_int_nokey INT, col_int_key INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t1 VALUES (26,6,NULL,'f','f'); INSERT INTO t1 VALUES (29,6,8,'c','c'); CREATE TABLE t2 ( pk INT NOT NULL, col_int_nokey INT, col_int_key INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ); INSERT INTO t2 VALUES (1,2,4,'v','v'); INSERT INTO t2 VALUES (2,150,62,'v','v'); INSERT INTO t2 VALUES (5,5,0,'x','x'); INSERT INTO t2 VALUES (6,3,7,'i','i'); INSERT INTO t2 VALUES (7,1,7,'e','e'); CREATE VIEW view_c AS SELECT * FROM t2; PREPARE prep_stmt_7430 FROM 'SELECT SUM( alias1.col_varchar_key ) AS field1 FROM t1 AS alias1 RIGHT JOIN t2 AS alias2 INNER JOIN t1 AS alias3 ON (alias3.col_varchar_key = alias2.col_varchar_key ) ON ( "v" ) IN ( SELECT sq1_alias1.col_varchar_nokey AS sq1_field1 FROM t1 AS sq1_alias1 ) WHERE alias3.pk IN ( SELECT sq2_alias1.col_int_key AS sq2_field1 FROM ( view_c AS sq2_alias1, t1 AS sq2_alias2 ) ) '; EXECUTE prep_stmt_7430; field1 NULL EXECUTE prep_stmt_7430; field1 NULL EXPLAIN SELECT SUM( alias1.col_varchar_key ) AS field1 FROM t1 AS alias1 RIGHT JOIN t2 AS alias2 INNER JOIN t1 AS alias3 ON (alias3.col_varchar_key = alias2.col_varchar_key ) ON ( "v" ) IN ( SELECT sq1_alias1.col_varchar_nokey AS sq1_field1 FROM t1 AS sq1_alias1 ) WHERE alias3.pk IN ( SELECT sq2_alias1.col_int_key AS sq2_field1 FROM ( view_c AS sq2_alias1, t1 AS sq2_alias2 ) ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE alias3 ALL PRIMARY,col_varchar_key NULL NULL NULL 2 Using where 1 SIMPLE sq2_alias2 index NULL PRIMARY 4 NULL 2 Using index 1 SIMPLE t2 ref col_int_key col_int_key 5 test.alias3.pk 2 Using index; FirstMatch(alias3) 1 SIMPLE alias2 ref col_varchar_key col_varchar_key 4 test.alias3.col_varchar_key 1 Using index 1 SIMPLE sq1_alias1 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(alias2) 1 SIMPLE alias1 index NULL col_varchar_key 9 NULL 2 Using index PREPARE prep_stmt_7430 FROM 'SELECT SUM( alias1.col_varchar_key ) AS field1 FROM t1 AS alias1 RIGHT JOIN t2 AS alias2 INNER JOIN t1 AS alias3 ON (alias3.col_varchar_key = alias2.col_varchar_key ) ON ( "v" ) IN ( SELECT sq1_alias1.col_varchar_nokey AS sq1_field1 FROM t1 AS sq1_alias1 ) WHERE alias3.pk IN ( SELECT sq2_alias1.col_int_key AS sq2_field1 FROM ( view_c AS sq2_alias1 , t1 AS sq2_alias2 ) WHERE sq2_alias1.col_varchar_nokey <> alias2.col_varchar_key AND sq2_alias1.col_varchar_key < "l" ) '; EXECUTE prep_stmt_7430; field1 NULL EXECUTE prep_stmt_7430; field1 NULL EXPLAIN SELECT SUM( alias1.col_varchar_key ) AS field1 FROM t1 AS alias1 RIGHT JOIN t2 AS alias2 INNER JOIN t1 AS alias3 ON (alias3.col_varchar_key = alias2.col_varchar_key ) ON ( "v" ) IN ( SELECT sq1_alias1.col_varchar_nokey AS sq1_field1 FROM t1 AS sq1_alias1 ) WHERE alias3.pk IN ( SELECT sq2_alias1.col_int_key AS sq2_field1 FROM ( view_c AS sq2_alias1 , t1 AS sq2_alias2 ) WHERE sq2_alias1.col_varchar_nokey <> alias2.col_varchar_key AND sq2_alias1.col_varchar_key < "l" ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range col_int_key,col_varchar_key col_varchar_key 4 NULL 2 Using index condition; Using MRR; Start temporary 1 SIMPLE alias3 eq_ref PRIMARY,col_varchar_key PRIMARY 4 test.t2.col_int_key 1 Using where; Using join buffer (Batched Key Access) 1 SIMPLE alias2 ref col_varchar_key col_varchar_key 4 test.alias3.col_varchar_key 1 Using index 1 SIMPLE sq2_alias2 index NULL PRIMARY 4 NULL 2 Using index; End temporary 1 SIMPLE sq1_alias1 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(sq2_alias2) 1 SIMPLE alias1 index NULL col_varchar_key 9 NULL 2 Using index DROP TABLE t1,t2; DROP VIEW view_c; # # Bug#13902463 SEGFAULT IN BITMAP<64U>::MERGE OR ADD_KEY_FIELD # ON SECOND EXEC OF PREP STMT # CREATE TABLE t1 ( pk INT, col_int_nokey INT, col_int_key INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), KEY col_varchar_key (col_varchar_key) ); CREATE VIEW view_b AS SELECT * FROM t1; PREPARE prep_stmt_20421 FROM 'SELECT alias2.col_varchar_nokey AS field1 FROM t1 AS alias1 INNER JOIN t1 AS alias2 ON (alias1.col_varchar_key = alias2.col_varchar_nokey AND ( alias1.col_int_key ) IN ( SELECT t1.col_int_nokey FROM t1 ) ) WHERE alias1.col_varchar_key IN ( SELECT sq2_alias2.col_varchar_nokey AS sq2_field1 FROM view_b AS sq2_alias1 INNER JOIN t1 AS sq2_alias2 ON (sq2_alias2.col_varchar_key = sq2_alias1.col_varchar_key ) WHERE sq2_alias1.pk > alias2.pk ) '; EXECUTE prep_stmt_20421; field1 EXECUTE prep_stmt_20421; field1 EXPLAIN SELECT alias2.col_varchar_nokey AS field1 FROM t1 AS alias1 INNER JOIN t1 AS alias2 ON (alias1.col_varchar_key = alias2.col_varchar_nokey AND ( alias1.col_int_key ) IN ( SELECT t1.col_int_nokey FROM t1 ) ) WHERE alias1.col_varchar_key IN ( SELECT sq2_alias2.col_varchar_nokey AS sq2_field1 FROM view_b AS sq2_alias1 INNER JOIN t1 AS sq2_alias2 ON (sq2_alias2.col_varchar_key = sq2_alias1.col_varchar_key ) WHERE sq2_alias1.pk > alias2.pk ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables ALTER TABLE t1 DROP INDEX col_varchar_key; PREPARE prep_stmt_20421 FROM 'SELECT alias2.col_varchar_nokey AS field1 FROM t1 AS alias1 INNER JOIN t1 AS alias2 ON (alias1.col_varchar_key = alias2.col_varchar_nokey AND ( alias1.col_int_key ) IN ( SELECT t1.col_int_nokey FROM t1 ) ) WHERE alias1.col_varchar_key IN ( SELECT sq2_alias2.col_varchar_nokey AS sq2_field1 FROM view_b AS sq2_alias1 INNER JOIN t1 AS sq2_alias2 ON (sq2_alias2.col_varchar_key = sq2_alias1.col_varchar_key ) WHERE sq2_alias1.pk > alias2.pk ) '; EXECUTE prep_stmt_20421; field1 EXECUTE prep_stmt_20421; field1 EXPLAIN SELECT alias2.col_varchar_nokey AS field1 FROM t1 AS alias1 INNER JOIN t1 AS alias2 ON (alias1.col_varchar_key = alias2.col_varchar_nokey AND ( alias1.col_int_key ) IN ( SELECT t1.col_int_nokey FROM t1 ) ) WHERE alias1.col_varchar_key IN ( SELECT sq2_alias2.col_varchar_nokey AS sq2_field1 FROM view_b AS sq2_alias1 INNER JOIN t1 AS sq2_alias2 ON (sq2_alias2.col_varchar_key = sq2_alias1.col_varchar_key ) WHERE sq2_alias1.pk > alias2.pk ) ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables DROP TABLE t1; DROP VIEW view_b; # # Bug#13907277: Segfault in evaluate_null_complemented_join_record # CREATE TABLE t1 ( pk INTEGER, col_varchar_nokey VARCHAR(1), col_varchar_key VARCHAR(1), PRIMARY KEY (pk) ); INSERT INTO t1 VALUES (1, 'x', 'x'); CREATE TABLE t2 ( pk INTEGER, PRIMARY KEY (pk) ); INSERT INTO t2 VALUES (1); CREATE TABLE t3 ( pk INTEGER, col_int_nokey INTEGER, col_int_key INTEGER, col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk) ); INSERT INTO t3 VALUES (1, 6, 5, 'r'); explain SELECT outer_t1.pk, outer_t2.pk FROM t3 AS outer_t1 RIGHT JOIN t2 AS outer_t2 ON outer_t1.col_int_nokey IN (SELECT inner_t1.col_int_nokey FROM t3 AS inner_t1 LEFT JOIN t1 AS inner_t2 INNER JOIN t1 AS inner_t3 ON inner_t3.pk = inner_t2.pk ON inner_t3.col_varchar_nokey = inner_t2.col_varchar_key ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE outer_t2 system NULL NULL NULL NULL 1 NULL 1 SIMPLE outer_t1 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE inner_t1 ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE inner_t2 ALL PRIMARY NULL NULL NULL 1 NULL 1 SIMPLE inner_t3 eq_ref PRIMARY PRIMARY 4 test.inner_t2.pk 1 Using where; FirstMatch(outer_t1) SELECT outer_t1.pk, outer_t2.pk FROM t3 AS outer_t1 RIGHT JOIN t2 AS outer_t2 ON outer_t1.col_int_nokey IN (SELECT inner_t1.col_int_nokey FROM t3 AS inner_t1 LEFT JOIN t1 AS inner_t2 INNER JOIN t1 AS inner_t3 ON inner_t3.pk = inner_t2.pk ON inner_t3.col_varchar_nokey = inner_t2.col_varchar_key ); pk pk 1 1 DROP TABLE t1, t2, t3; # End of test for bug#13907277. # # Bug#13955713: Assert 'JOIN->best_read < ...' on second execution # CREATE TABLE t1 ( pk INTEGER, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1) ); PREPARE stmt FROM " SELECT MIN(alias2.col_varchar_key) AS field1 FROM t1 AS alias1 INNER JOIN (t1 AS alias2 INNER JOIN t1 AS alias3 ON 8 IN (SELECT sq1_alias1.pk AS sq1_field2 FROM t1 AS sq1_alias1 WHERE 9 IN (SELECT SUM(t1_sq1_alias1.pk) AS t1_sq1_field2 FROM t1 AS t1_sq1_alias1 ) ) ) ON alias3.col_varchar_nokey = alias2.col_varchar_key WHERE EXISTS (SELECT sq2_alias1.pk AS sq2_field1 FROM t1 AS sq2_alias1 WHERE sq2_alias1.col_varchar_key < alias1.col_varchar_nokey ) "; EXECUTE stmt; field1 NULL EXECUTE stmt; field1 NULL DEALLOCATE PREPARE stmt; DROP TABLE t1; # End of test for bug#13955713. # # Bug#13956813: Segfault in memcpy from Join_cache::write_record_data() # CREATE TABLE t1 ( pk INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1) ); CREATE TABLE t2 ( pk INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1) ); INSERT INTO t2 VALUES (10,'j','j'), (11,'z','z'), (12,'c','c'), (13,'a','a'), (14,'q','q'), (15,'y','y'), (16,NULL,NULL), (17,'r','r'), (18,'v','v'), (19,NULL,NULL), (20,'r','r'); CREATE TABLE t3 ( pk INT, col_int_key INT, col_varchar_key VARCHAR(1), KEY col_int_key (col_int_key) ); INSERT INTO t3 VALUES (15,NULL,'u'), (16,1,'m'), (17,9,NULL), (18,2,'o'), (19,9,'w'), (20,2,'m'), (21,4,'q'), (22,0,NULL), (23,4,'d'), (24,8,'g'), (25,NULL,'x'), (26,NULL,'f'), (27,0,'p'), (28,NULL,'j'), (29,8,'c'); CREATE VIEW view_inline_0 AS SELECT t1.* FROM t1 INNER JOIN t3 ON t1.pk = t3.pk; CREATE VIEW view_inline_1 AS SELECT sq2_alias2.col_varchar_key AS sq2_field1, sq2_alias1.col_varchar_key AS sq2_field2 FROM t3 AS sq2_alias1 LEFT OUTER JOIN t3 AS sq2_alias2 ON sq2_alias1.pk = sq2_alias2.col_int_key; CREATE VIEW view_inline_2 AS SELECT 'p', 'p' UNION SELECT 'k', 's'; explain SELECT SUM(alias1.col_varchar_nokey) AS field2 FROM t2 AS alias2 LEFT JOIN (SELECT * FROM view_inline_0) AS alias1 ON alias2.col_varchar_key = alias1.col_varchar_key AND (alias2.col_varchar_nokey, alias2.col_varchar_key) IN (SELECT * FROM view_inline_1 ) WHERE (alias1.col_varchar_key, alias1.col_varchar_nokey) IN (SELECT * FROM view_inline_2 ); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY alias2 ALL NULL NULL NULL NULL 11 Using where 1 PRIMARY eq_ref 8 test.alias2.col_varchar_nokey,test.alias2.col_varchar_key 1 NULL 1 PRIMARY ALL NULL NULL NULL NULL NULL Using where 1 PRIMARY ref 8 test.alias2.col_varchar_key,.My_exp_p 2 NULL 3 MATERIALIZED sq2_alias1 ALL NULL NULL NULL NULL 15 NULL 3 MATERIALIZED sq2_alias2 ref col_int_key col_int_key 5 test.sq2_alias1.pk 2 Using join buffer (Batched Key Access) 4 MATERIALIZED ALL NULL NULL NULL NULL 2 NULL 7 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used 8 UNION NULL NULL NULL NULL NULL NULL NULL No tables used NULL UNION RESULT ALL NULL NULL NULL NULL NULL Using temporary 2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table SELECT SUM(alias1.col_varchar_nokey) AS field2 FROM t2 AS alias2 LEFT JOIN (SELECT * FROM view_inline_0) AS alias1 ON alias2.col_varchar_key = alias1.col_varchar_key AND (alias2.col_varchar_nokey, alias2.col_varchar_key) IN (SELECT * FROM view_inline_1 ) WHERE (alias1.col_varchar_key, alias1.col_varchar_nokey) IN (SELECT * FROM view_inline_2 ); field2 NULL DROP VIEW view_inline_0, view_inline_1, view_inline_2; DROP TABLE t1, t2, t3; # End of test for bug#13956813. # # Bug#13974177: Assert !(tab->table->regginfo.not_exists_optimize... # CREATE TABLE t1 ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER, col_int_key INTEGER, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key, col_int_key) ); INSERT INTO t1(col_int_key, col_int_nokey, col_varchar_key, col_varchar_nokey) VALUES (0, 4, 'j', 'j'), (8, 6, 'v', 'v'), (1, 3, 'c', 'c'), (8, 5, 'm', 'm'), (9, 3, 'd', 'd'), (24, 246, 'd', 'd'), (6, 2, 'y', 'y'), (1, 9, 't', 't'), (6, 3, 'd', 'd'), (2, 8, 's', 's'), (4, 1, 'r', 'r'), (8, 8, 'm', 'm'), (4, 8, 'b', 'b'), (4, 5, 'x', 'x'), (7, 7, 'g', 'g'), (4, 5, 'p', 'p'), (1, 1, 'q', 'q'), (9, 6, 'w', 'w'), (4, 2, 'd', 'd'), (8, 9, 'e', 'e'); CREATE TABLE t2 ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER NOT NULL, col_time_key TIME NOT NULL, col_time_nokey TIME NOT NULL, PRIMARY KEY (pk), KEY (col_time_key) ) ENGINE=InnoDB; INSERT INTO t2 (col_int_nokey, col_time_key, col_time_nokey) VALUES (7, '00:00:00', '00:00:00'), (0, '00:00:00', '00:00:00'), (9, '06:35:17', '06:35:17'), (3, '18:07:14', '18:07:14'), (4, '20:36:52', '20:36:52'), (2, '21:29:07', '21:29:07'), (5, '23:45:57', '23:45:57'), (3, '22:54:57', '22:54:57'), (1, '18:45:09', '18:45:09'), (3, '14:30:46', '14:30:46'), (6, '19:23:43', '19:23:43'), (7, '03:39:30', '03:39:30'), (5, '23:37:52', '23:37:52'), (1, '16:59:30', '16:59:30'), (204, '22:21:15', '22:21:15'), (224, '12:24:37', '12:24:37'), (9, '15:02:08', '15:02:08'), (5, '23:59:59', '23:59:59'), (0, '08:23:30', '08:23:30'), (3, '08:32:22', '08:32:22'); explain SELECT ot1.col_int_key AS x FROM t1 AS ot2 LEFT JOIN t1 AS ot1 ON ot2.col_varchar_nokey > ot1.col_varchar_key WHERE (ot1.col_int_nokey, ot1.pk) IN (SELECT it1.pk AS x, it1.col_int_nokey AS y FROM t2 AS it2 LEFT JOIN t2 AS it1 ON it2.col_time_nokey = it1.col_time_key ) AND ot1.pk IS NULL ; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE ot1 const PRIMARY,col_varchar_key PRIMARY 4 const 1 Using where 1 SIMPLE it1 eq_ref PRIMARY,col_time_key PRIMARY 4 test.ot1.col_int_nokey 1 Using where 1 SIMPLE it2 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(it1) 1 SIMPLE ot2 ALL NULL NULL NULL NULL 20 Using where SELECT ot1.col_int_key AS x FROM t1 AS ot2 LEFT JOIN t1 AS ot1 ON ot2.col_varchar_nokey > ot1.col_varchar_key WHERE (ot1.col_int_nokey, ot1.pk) IN (SELECT it1.pk AS x, it1.col_int_nokey AS y FROM t2 AS it2 LEFT JOIN t2 AS it1 ON it2.col_time_nokey = it1.col_time_key ) AND ot1.pk IS NULL ; x DROP TABLE t1, t2; # End of test for bug#13974177. # # Bug#13971022: Assert 'keyparts > 0' failed in create_ref_for_key... # CREATE TABLE t1 ( pk INT, col_int_key INT, col_varchar_key VARCHAR(1), PRIMARY KEY (pk), KEY col_varchar_key (col_varchar_key,col_int_key) ); CREATE TABLE t2 ( pk INT, col_int_key INT, col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), PRIMARY KEY (pk) ) ENGINE=InnoDB; CREATE TABLE t3 ( i INT ); explain SELECT table1.pk AS field1 FROM ( SELECT subquery1_t1. * FROM t2 AS subquery1_t1 JOIN t2 AS subquery1_t2 ON subquery1_t2.pk = subquery1_t1.pk) AS table1 STRAIGHT_JOIN t2 AS table2 ON table1.col_int_key IN (SELECT 7 FROM t3) WHERE table1.col_varchar_nokey IN (SELECT subquery3_t1.col_varchar_key AS subquery3_field1 FROM t1 AS subquery3_t1 ) ; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY subquery3_t1 index col_varchar_key col_varchar_key 9 NULL 0 Using where; Using index 1 PRIMARY ALL NULL NULL NULL NULL NULL NULL 1 PRIMARY ref 9 .7,test.subquery3_t1.col_varchar_key 2 Using where 1 PRIMARY table2 index NULL PRIMARY 4 NULL 1 Using index 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 0 NULL 2 DERIVED subquery1_t1 ALL PRIMARY NULL NULL NULL 1 NULL 2 DERIVED subquery1_t2 eq_ref PRIMARY PRIMARY 4 test.subquery1_t1.pk 1 Using index SELECT table1.pk AS field1 FROM ( SELECT subquery1_t1. * FROM t2 AS subquery1_t1 JOIN t2 AS subquery1_t2 ON subquery1_t2.pk = subquery1_t1.pk) AS table1 STRAIGHT_JOIN t2 AS table2 ON table1.col_int_key IN (SELECT 7 FROM t3) WHERE table1.col_varchar_nokey IN (SELECT subquery3_t1.col_varchar_key AS subquery3_field1 FROM t1 AS subquery3_t1 ) ; field1 DROP TABLE t1, t2, t3; # End of test for bug#13971022. # # Bug#13623473 "MISSING ROWS ON SELECT AND JOIN WITH # TIME/DATETIME COMPARE" - Subquery part of test. # SET TIMESTAMP=UNIX_TIMESTAMP('2012-01-31 10:14:35'); CREATE TABLE t1 ( pk INT NOT NULL, col_int_nokey INT, col_int_key INT NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (10,1,7), (11,7,0), (12,4,9), (13,7,3), (14,0,4), (15,2,2), (16,9,5), (17,4,3), (18,0,1), (19,9,3), (20,1,6), (21,3,7), (22,8,5), (23,8,1), (24,18,204), (25,84,224), (26,6,9), (27,3,5), (28,6,0), (29,6,3); CREATE TABLE t2 ( col_int_nokey INT NOT NULL, col_datetime_key DATETIME NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1,'2001-11-04 19:07:55','k'); CREATE TABLE t3 ( col_time_key TIME, KEY col_time_key (col_time_key) ) ENGINE=InnoDB; INSERT INTO t3 VALUES ('21:22:34'), ('10:50:38'), ('00:21:38'), ('04:08:02'), ('16:25:11'), ('10:14:58'), ('19:47:59'), ('11:14:24'), ('00:00:00'), ('00:00:00'), ('15:57:25'), ('07:05:51'), ('19:22:21'), ('03:53:16'), ('09:16:38'), ('15:37:26'), ('00:00:00'), ('05:03:03'), ('02:59:24'), ('00:01:58'); EXPLAIN EXTENDED SELECT outr.col_int_nokey FROM t2 as outr STRAIGHT_JOIN t3 AS outr2 ON outr2.col_time_key > outr.col_datetime_key WHERE outr.col_int_nokey IN ( SELECT col_int_key FROM t1 AS innr WHERE innr.pk >= innr.col_int_nokey ) AND ( outr.col_int_nokey <= 6 OR outr.col_varchar_key IS NULL ); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE outr ALL col_datetime_key NULL NULL NULL 1 100.00 Using where 1 SIMPLE innr ref col_int_key col_int_key 4 test.outr.col_int_nokey 1 100.00 Using where; FirstMatch(outr); Using join buffer (Batched Key Access) 1 SIMPLE outr2 ALL col_time_key NULL NULL NULL 20 100.00 Range checked for each record (index map: 0x1) Warnings: Note 1003 /* select#1 */ select `test`.`outr`.`col_int_nokey` AS `col_int_nokey` from `test`.`t2` `outr` semi join (`test`.`t1` `innr`) straight_join `test`.`t3` `outr2` where ((`test`.`innr`.`col_int_key` = `test`.`outr`.`col_int_nokey`) and (`test`.`outr`.`col_int_nokey` <= 6) and (`test`.`innr`.`pk` >= `test`.`innr`.`col_int_nokey`) and (`test`.`outr2`.`col_time_key` > `test`.`outr`.`col_datetime_key`)) SELECT outr.col_int_nokey FROM t2 as outr STRAIGHT_JOIN t3 AS outr2 ON outr2.col_time_key > outr.col_datetime_key WHERE outr.col_int_nokey IN ( SELECT col_int_key FROM t1 AS innr WHERE innr.pk >= innr.col_int_nokey ) AND ( outr.col_int_nokey <= 6 OR outr.col_varchar_key IS NULL ); col_int_nokey 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 DROP TABLE t1,t2,t3; SET TIMESTAMP = DEFAULT; # End of test for bug#13623473. # # Bug#13980954: Missing data on left join + null value + where..in # CREATE TABLE t1 ( ik INT, vc varchar(1) ); INSERT INTO t1 VALUES (8, 'x'), (NULL, 'x'); CREATE TABLE t2 ( ik INT, vc varchar(1) ); INSERT INTO t2 VALUES (0, 'x'), (7, 'i'), (7, 'e'), (1, 'p'), (7, 's'), (1, 'j'); explain format=json SELECT t2.vc, t2.ik AS t2_ik, t1.ik AS t1_ik FROM t2 LEFT JOIN t1 ON t2.vc=t1.vc WHERE t2.vc IN (SELECT vc FROM t2 AS t3); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "t2", "access_type": "ALL", "rows": 6, "filtered": 100, "attached_condition": "(`test`.`t2`.`vc` is not null)" } }, { "table": { "table_name": "", "access_type": "eq_ref", "key": "", "key_length": "4", "ref": [ "test.t2.vc" ], "rows": 1, "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "t3", "access_type": "ALL", "rows": 6, "filtered": 100 } } } } }, { "table": { "table_name": "t1", "access_type": "ALL", "rows": 2, "filtered": 100, "attached_condition": "(is_not_null_compl(t1), (`test`.`t1`.`vc` = `test`.`t2`.`vc`), true)" } } ] } } Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`vc` AS `vc`,`test`.`t2`.`ik` AS `t2_ik`,`test`.`t1`.`ik` AS `t1_ik` from `test`.`t2` semi join (`test`.`t2` `t3`) left join `test`.`t1` on((`test`.`t1`.`vc` = `test`.`t2`.`vc`)) where (``.`vc` = `test`.`t2`.`vc`) SELECT t2.vc, t2.ik AS t2_ik, t1.ik AS t1_ik FROM t2 LEFT JOIN t1 ON t2.vc=t1.vc WHERE t2.vc IN (SELECT vc FROM t2 AS t3); vc t2_ik t1_ik x 0 8 x 0 NULL i 7 NULL e 7 NULL p 1 NULL s 7 NULL j 1 NULL DROP TABLE t1, t2; # End of test for bug#13980954. # # Bug#14048292: Segfault in Item_field::result_type on 2nd execution # of prep stmt with join of view # CREATE TABLE t1 ( col_int INT ); INSERT INTO t1 VALUES (0), (1); CREATE VIEW view_t1 AS SELECT * FROM t1; explain SELECT alias1.col_int FROM t1 AS alias1 LEFT JOIN view_t1 AS alias2 ON alias1.col_int IN (SELECT sq1_alias1.col_int FROM t1 AS sq1_alias1 ); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE alias1 ALL NULL NULL NULL NULL 2 NULL 1 SIMPLE sq1_alias1 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(alias1) 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 NULL PREPARE stmt FROM "SELECT alias1.col_int FROM t1 AS alias1 LEFT JOIN view_t1 AS alias2 ON alias1.col_int IN (SELECT sq1_alias1.col_int FROM t1 AS sq1_alias1 )"; EXECUTE stmt; col_int 0 0 1 1 EXECUTE stmt; col_int 0 0 1 1 DEALLOCATE PREPARE stmt; DROP VIEW view_t1; DROP TABLE t1; # End of test for bug#14048292. # # Bug#14064201: Missing data on join of derived table + WHERE .. IN # with two operands # CREATE TABLE t1 ( col_varchar_nokey VARCHAR(1) ); INSERT INTO t1 VALUES ('v'), ('s'), ('l'), ('y'), ('c'), ('i'), ('h'), ('q'), ('a'), ('v'), ('u'), ('s'), ('y'), ('z'), ('h'), ('p'), ('e'), ('i'), ('y'), ('w'); CREATE TABLE t2 ( col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1), KEY col_varchar_key(col_varchar_key) ); INSERT INTO t2 VALUES ('j','j'), ('v','v'), ('c','c'), ('m','m'), ('d','d'), ('d','d'), ('y','y'); explain format=json SELECT * FROM (SELECT * FROM t2) AS derived1 LEFT JOIN t1 USING (col_varchar_nokey) WHERE (col_varchar_nokey, col_varchar_nokey) IN (SELECT col_varchar_nokey, col_varchar_key FROM t2 AS derived2 ); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "", "access_type": "ALL", "attached_condition": "((``.`col_varchar_key` = ``.`col_varchar_nokey`) and (``.`col_varchar_nokey` is not null))", "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "derived2", "access_type": "ALL", "possible_keys": [ "col_varchar_key" ], "rows": 7, "filtered": 100, "attached_condition": "(`test`.`derived2`.`col_varchar_key` = `test`.`derived2`.`col_varchar_nokey`)" } } } } }, { "table": { "table_name": "derived1", "access_type": "ref", "possible_keys": [ "" ], "key": "", "used_key_parts": [ "col_varchar_nokey" ], "key_length": "4", "ref": [ ".col_varchar_nokey" ], "rows": 2, "filtered": 100, "materialized_from_subquery": { "using_temporary_table": true, "dependent": false, "cacheable": true, "query_block": { "select_id": 2, "table": { "table_name": "t2", "access_type": "ALL", "rows": 7, "filtered": 100 } } } } }, { "table": { "table_name": "t1", "access_type": "ALL", "rows": 20, "filtered": 100, "attached_condition": "(is_not_null_compl(t1), (`test`.`t1`.`col_varchar_nokey` = `derived1`.`col_varchar_nokey`), true)" } } ] } } Warnings: Note 1003 /* select#1 */ select `derived1`.`col_varchar_nokey` AS `col_varchar_nokey`,`derived1`.`col_varchar_key` AS `col_varchar_key` from (/* select#2 */ select `test`.`t2`.`col_varchar_key` AS `col_varchar_key`,`test`.`t2`.`col_varchar_nokey` AS `col_varchar_nokey` from `test`.`t2`) `derived1` semi join (`test`.`t2` `derived2`) left join `test`.`t1` on(((`test`.`t1`.`col_varchar_nokey` = `derived1`.`col_varchar_nokey`) and (`test`.`derived2`.`col_varchar_nokey` = `test`.`derived2`.`col_varchar_key`))) where ((``.`col_varchar_key` = ``.`col_varchar_nokey`) and (`derived1`.`col_varchar_nokey` = ``.`col_varchar_nokey`) and (`test`.`derived2`.`col_varchar_key` = `test`.`derived2`.`col_varchar_nokey`)) SELECT * FROM (SELECT * FROM t2) AS derived1 LEFT JOIN t1 USING (col_varchar_nokey) WHERE (col_varchar_nokey, col_varchar_nokey) IN (SELECT col_varchar_nokey, col_varchar_key FROM t2 AS derived2 ); col_varchar_nokey col_varchar_key j j v v v v c c m m d d d d y y y y y y DROP TABLE t1, t2; CREATE TABLE t1 ( col_int_nokey int NOT NULL, col_int_key int NOT NULL, KEY col_int_key (col_int_key) ); INSERT INTO t1 VALUES (1,7), (7,0), (4,9), (7,3), (0,4), (2,2), (9,5), (4,3), (0,1), (9,3), (1,6), (3,7), (8,5), (8,1), (18,204), (84,224), (6,9), (3,5), (6,0), (6,3); CREATE TABLE t2 ( col_int_nokey int NOT NULL, col_int_key int NOT NULL, KEY col_int_key (col_int_key) ); INSERT INTO t2 VALUES (4,0), (6,8), (3,1), (5,8), (3,9), (246,24), (2,6), (9,1), (3,6), (8,2), (1,4), (8,8), (8,4), (5,4), (7,7), (5,4), (1,1), (6,9), (2,4), (9,8); explain format=json SELECT grandparent1.* FROM t1 AS grandparent1 LEFT JOIN t1 USING (col_int_nokey) WHERE (col_int_nokey, col_int_nokey) IN (SELECT col_int_nokey, col_int_key FROM t2 ); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "grandparent1", "access_type": "ALL", "rows": 20, "filtered": 100, "attached_condition": "((`test`.`grandparent1`.`col_int_nokey` is not null) and (`test`.`grandparent1`.`col_int_nokey` is not null))" } }, { "table": { "table_name": "", "access_type": "eq_ref", "key": "", "key_length": "8", "ref": [ "test.grandparent1.col_int_nokey", "test.grandparent1.col_int_nokey" ], "rows": 1, "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "table": { "table_name": "t2", "access_type": "ALL", "possible_keys": [ "col_int_key" ], "rows": 20, "filtered": 100, "attached_condition": "(`test`.`t2`.`col_int_key` = `test`.`t2`.`col_int_nokey`)" } } } } }, { "table": { "table_name": "t1", "access_type": "ALL", "rows": 20, "filtered": 100, "attached_condition": "(is_not_null_compl(t1), (`test`.`t1`.`col_int_nokey` = `test`.`grandparent1`.`col_int_nokey`), true)" } } ] } } Warnings: Note 1003 /* select#1 */ select `test`.`grandparent1`.`col_int_nokey` AS `col_int_nokey`,`test`.`grandparent1`.`col_int_key` AS `col_int_key` from `test`.`t1` `grandparent1` semi join (`test`.`t2`) left join `test`.`t1` on(((`test`.`t1`.`col_int_nokey` = `test`.`grandparent1`.`col_int_nokey`) and (`test`.`t2`.`col_int_nokey` = `test`.`t2`.`col_int_key`))) where ((``.`col_int_nokey` = `test`.`grandparent1`.`col_int_nokey`) and (``.`col_int_key` = `test`.`grandparent1`.`col_int_nokey`) and (`test`.`t2`.`col_int_key` = `test`.`t2`.`col_int_nokey`)) SELECT grandparent1.* FROM t1 AS grandparent1 LEFT JOIN t1 USING (col_int_nokey) WHERE (col_int_nokey, col_int_nokey) IN (SELECT col_int_nokey, col_int_key FROM t2 ); col_int_nokey col_int_key 1 7 1 7 7 0 7 0 7 3 7 3 1 6 1 6 8 5 8 5 8 1 8 1 DROP TABLE t1, t2; CREATE TABLE t1 ( pk int, col_int_key int, col_datetime_key datetime, col_varchar_key varchar(1), col_varchar_nokey varchar(1), PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) engine=MyISAM; INSERT INTO t1 VALUES (10,7,'2004-06-06 04:22:12','v','v'), (11,0,'2005-11-13 01:12:31','s','s'), (12,9,'2002-05-04 01:50:00','l','l'), (13,3,'2004-10-27 10:28:45','y','y'), (14,4,'2006-07-22 05:24:23','c','c'), (15,2,'2002-05-16 21:34:03','i','i'), (16,5,'2008-04-17 10:45:30','h','h'), (17,3,'2009-04-21 02:58:02','q','q'), (18,1,'2008-01-11 11:01:51','a','a'), (19,3,'1900-01-01 00:00:00','v','v'), (20,6,'2007-05-17 18:24:57','u','u'), (21,7,'2007-08-07 00:00:00','s','s'), (22,5,'2001-08-28 00:00:00','y','y'), (23,1,'2004-04-16 00:27:28','z','z'), (24,204,'2005-05-03 07:06:22','h','h'), (25,224,'2009-03-11 17:09:50','p','p'), (26,9,'2007-12-08 01:54:28','e','e'), (27,5,'2009-07-28 18:19:54','i','i'), (28,0,'2008-06-08 00:00:00','y','y'), (29,3,'2005-02-09 09:20:26','w','w'); CREATE TABLE t2 ( pk int, col_int_key int, col_datetime_key datetime, col_varchar_key varchar(1), col_varchar_nokey varchar(1), PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) engine=MyISAM; INSERT INTO t2 VALUES (1,0,'2002-02-13 17:30:06','j','j'), (2,8,'2008-09-27 00:34:58','v','v'), (3,1,'2007-05-28 00:00:00','c','c'), (4,8,'2009-07-25 09:21:20','m','m'), (5,9,'2002-01-16 00:00:00','d','d'), (6,24,'2006-10-12 04:32:53','d','d'), (7,6,'2001-02-15 03:08:38','y','y'), (8,1,'2004-10-02 20:31:15','t','t'), (9,6,'2002-08-20 22:48:00','d','d'), (10,2,'1900-01-01 00:00:00','s','s'), (11,4,'2005-08-15 00:00:00','r','r'), (12,8,'1900-01-01 00:00:00','m','m'), (13,4,'2008-05-16 08:09:06','b','b'), (14,4,'2001-01-20 12:47:23','x','x'), (15,7,'2008-07-02 00:00:00','g','g'), (16,4,'1900-01-01 00:00:00','p','p'), (17,1,'2002-12-08 11:34:58','q','q'), (18,9,'1900-01-01 00:00:00','w','w'), (19,4,'1900-01-01 00:00:00','d','d'), (20,8,'2002-08-25 20:35:06','e','e'); SELECT alias1.col_datetime_key FROM t2 AS alias1 RIGHT JOIN t2 AS alias2 JOIN t2 AS alias3 ON alias3.pk = alias2.pk ON alias3.col_varchar_nokey = alias2.col_varchar_key OR alias2.col_varchar_nokey WHERE (alias2.col_varchar_key, alias2.col_varchar_key) IN (SELECT sq2_alias2.col_varchar_key, sq2_alias1.col_varchar_nokey FROM t1 AS sq2_alias1, t1 AS sq2_alias2 WHERE sq2_alias2.col_int_key < 2); col_datetime_key 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 2001-01-20 12:47:23 2001-02-15 03:08:38 2002-01-16 00:00:00 2002-02-13 17:30:06 2002-08-20 22:48:00 2002-08-25 20:35:06 2002-12-08 11:34:58 2004-10-02 20:31:15 2005-08-15 00:00:00 2006-10-12 04:32:53 2007-05-28 00:00:00 2008-05-16 08:09:06 2008-07-02 00:00:00 2008-09-27 00:34:58 2009-07-25 09:21:20 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 1900-01-01 00:00:00 2001-01-20 12:47:23 2001-02-15 03:08:38 2002-01-16 00:00:00 2002-02-13 17:30:06 2002-08-20 22:48:00 2002-08-25 20:35:06 2002-12-08 11:34:58 2004-10-02 20:31:15 2005-08-15 00:00:00 2006-10-12 04:32:53 2007-05-28 00:00:00 2008-05-16 08:09:06 2008-07-02 00:00:00 2008-09-27 00:34:58 2009-07-25 09:21:20 ALTER TABLE t1 DISABLE KEYS; ALTER TABLE t2 DISABLE KEYS; explain format=json SELECT alias1.col_datetime_key FROM t2 AS alias1 RIGHT JOIN t2 AS alias2 JOIN t2 AS alias3 ON alias3.pk = alias2.pk ON alias3.col_varchar_nokey = alias2.col_varchar_key OR alias2.col_varchar_nokey WHERE (alias2.col_varchar_key, alias2.col_varchar_key) IN (SELECT sq2_alias2.col_varchar_key, sq2_alias1.col_varchar_nokey FROM t1 AS sq2_alias1, t1 AS sq2_alias2 WHERE sq2_alias2.col_int_key < 2); EXPLAIN { "query_block": { "select_id": 1, "nested_loop": [ { "table": { "table_name": "", "access_type": "ALL", "attached_condition": "(``.`col_varchar_nokey` = ``.`col_varchar_key`)", "materialized_from_subquery": { "using_temporary_table": true, "query_block": { "nested_loop": [ { "table": { "table_name": "sq2_alias1", "access_type": "ALL", "rows": 20, "filtered": 100 } }, { "table": { "table_name": "sq2_alias2", "access_type": "ALL", "rows": 20, "filtered": 100, "attached_condition": "((`test`.`sq2_alias2`.`col_varchar_key` = `test`.`sq2_alias1`.`col_varchar_nokey`) and (`test`.`sq2_alias2`.`col_int_key` < 2))" } } ] } } } }, { "table": { "table_name": "alias2", "access_type": "ALL", "possible_keys": [ "PRIMARY" ], "rows": 20, "filtered": 100, "attached_condition": "(`test`.`alias2`.`col_varchar_key` = ``.`col_varchar_key`)" } }, { "table": { "table_name": "alias3", "access_type": "eq_ref", "possible_keys": [ "PRIMARY" ], "key": "PRIMARY", "used_key_parts": [ "pk" ], "key_length": "4", "ref": [ "test.alias2.pk" ], "rows": 1, "filtered": 100, "using_join_buffer": "Batched Key Access" } }, { "table": { "table_name": "alias1", "access_type": "ALL", "rows": 20, "filtered": 100, "attached_condition": "(is_not_null_compl(alias1), ((`test`.`alias3`.`col_varchar_nokey` = `test`.`alias2`.`col_varchar_key`) or `test`.`alias2`.`col_varchar_nokey`), true)" } } ] } } Warnings: Note 1003 /* select#1 */ select `test`.`alias1`.`col_datetime_key` AS `col_datetime_key` from `test`.`t2` `alias2` semi join (`test`.`t1` `sq2_alias1` join `test`.`t1` `sq2_alias2`) join `test`.`t2` `alias3` left join `test`.`t2` `alias1` on((((`test`.`alias3`.`col_varchar_nokey` = `test`.`alias2`.`col_varchar_key`) and (`test`.`sq2_alias2`.`col_varchar_key` = `test`.`sq2_alias1`.`col_varchar_nokey`)) or `test`.`alias2`.`col_varchar_nokey`)) where ((`test`.`alias3`.`pk` = `test`.`alias2`.`pk`) and (``.`col_varchar_nokey` = ``.`col_varchar_key`) and (`test`.`alias2`.`col_varchar_key` = ``.`col_varchar_key`) and (`test`.`sq2_alias2`.`col_varchar_key` = `test`.`sq2_alias1`.`col_varchar_nokey`) and (`test`.`sq2_alias2`.`col_int_key` < 2)) SELECT alias1.col_datetime_key FROM t2 AS alias1 RIGHT JOIN t2 AS alias2 JOIN t2 AS alias3 ON alias3.pk = alias2.pk ON alias3.col_varchar_nokey = alias2.col_varchar_key OR alias2.col_varchar_nokey WHERE (alias2.col_varchar_key, alias2.col_varchar_key) IN (SELECT sq2_alias2.col_varchar_key, sq2_alias1.col_varchar_nokey FROM t1 AS sq2_alias1, t1 AS sq2_alias2 WHERE sq2_alias2.col_int_key < 2); col_datetime_key 2002-02-13 17:30:06 2008-09-27 00:34:58 2007-05-28 00:00:00 2009-07-25 09:21:20 2002-01-16 00:00:00 2006-10-12 04:32:53 2001-02-15 03:08:38 2004-10-02 20:31:15 2002-08-20 22:48:00 1900-01-01 00:00:00 2005-08-15 00:00:00 1900-01-01 00:00:00 2008-05-16 08:09:06 2001-01-20 12:47:23 2008-07-02 00:00:00 1900-01-01 00:00:00 2002-12-08 11:34:58 1900-01-01 00:00:00 1900-01-01 00:00:00 2002-08-25 20:35:06 2002-02-13 17:30:06 2008-09-27 00:34:58 2007-05-28 00:00:00 2009-07-25 09:21:20 2002-01-16 00:00:00 2006-10-12 04:32:53 2001-02-15 03:08:38 2004-10-02 20:31:15 2002-08-20 22:48:00 1900-01-01 00:00:00 2005-08-15 00:00:00 1900-01-01 00:00:00 2008-05-16 08:09:06 2001-01-20 12:47:23 2008-07-02 00:00:00 1900-01-01 00:00:00 2002-12-08 11:34:58 1900-01-01 00:00:00 1900-01-01 00:00:00 2002-08-25 20:35:06 DROP TABLE t1, t2; # End of test for bug#14064201. # # Bug#18223655:ASSERTION FAILED: (INT)IDX >= 0 # && IDX < PARENT_JOIN->TABLES # CREATE TABLE b (d INT); CREATE TABLE c (a INT, b INT,c INT,d BLOB NOT NULL); SELECT(SELECT 1 FROM b WHERE(SELECT 1 IN (SELECT 1 FROM b WHERE 1 NOT BETWEEN d AND 1) FROM b) IN (SELECT d FROM c)) as cc FROM b; cc INSERT INTO b VALUE(1); INSERT INTO c VALUES(1,2,3,'1'),(2,3,4,'1'),(3,4,5,'C'); SELECT(SELECT d FROM b WHERE(SELECT d IN (SELECT d FROM b WHERE 1 NOT BETWEEN d AND 1) FROM b) IN (SELECT d FROM c)) as cc FROM c; cc 1 1 1 DROP TABLE b,c; # # Bug#18447874:WRONG RESULT COMING FROM SEMI-JOIN # CREATE TABLE b ( d INT(11) ); CREATE TABLE c ( d BLOB ) ; CREATE TABLE d ( b INT(11) ); INSERT INTO b VALUES(1),(2),(4); INSERT INTO c VALUES(1),(2),(3); SELECT 1 FROM b WHERE (SELECT 1 FROM d ) IN (SELECT d FROM c) ; 1 INSERT INTO d VALUES(2); SELECT 1 FROM b WHERE (SELECT 1 FROM d ) IN (SELECT d FROM c) ; 1 1 1 1 DROP TABLE b,c,d; # # Bug#17292723:INCORRECT RESULT FOR (SELECT...) IN (SELECT...) STATEMENT # CREATE TABLE t1 ( ID int(11) NOT NULL AUTO_INCREMENT, id2 int(11) DEFAULT NULL, id3 int(11) DEFAULT NULL, id4 varchar(150) COLLATE utf8_spanish_ci NOT NULL, id5 int(11) DEFAULT NULL, PRIMARY KEY (ID), KEY id2 (id2), KEY id3 (id3), KEY id5 (id5) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (123,1,1,'1',NULL), (124,1,1,'2',NULL), (125,1,1,'4',NULL), (126,1,1,'3',NULL), (127,1,1,'6',NULL), (128,1,1,'8',NULL); CREATE TABLE t2 ( id6 int(11) NOT NULL, id7 int(11) NOT NULL, PRIMARY KEY (id6,id7), KEY id7 (id7) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (126,123),(130,123),(135,123); SELECT ID FROM t1 p0 WHERE p0.id3=1 AND ( (SELECT p1.id FROM t1 p1 WHERE p1.id=123) IN (SELECT p3.id FROM t2 p2, t1 p3 WHERE p0.id=p2.id6 AND p2.id7=p3.id)); ID 126 DROP TABLE t1,t2; # # Bug#18194196: OPTIMIZER EXECUTES STATEMENT INPERFORMANT # CREATE TABLE t1 (uid INTEGER, fid INTEGER, INDEX(uid)); INSERT INTO t1 VALUES (1,1), (1,2), (1,3), (1,4), (2,5), (2,6), (2,7), (2,8), (3,1), (3,2), (3,9); CREATE TABLE t2 (uid INT PRIMARY KEY, name VARCHAR(128), INDEX(name)); INSERT INTO t2 VALUES (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"), (6, "F"), (7, "G"), (8, "H"), (9, "I"); CREATE TABLE t3 (uid INT, fid INT, INDEX(uid)); INSERT INTO t3 VALUES (1,1), (1,2), (1,3),(1,4), (2,5), (2,6), (2,7), (2,8), (3,1), (3,2), (3,9); CREATE TABLE t4 (uid INT PRIMARY KEY, name VARCHAR(128), INDEX(name)); INSERT INTO t4 VALUES (1, "A"), (2, "B"), (3, "C"), (4, "D"), (5, "E"), (6, "F"), (7, "G"), (8, "H"), (9, "I"); ANALYZE TABLE t1,t2,t3,t4; Table Op Msg_type Msg_text test.t1 analyze status OK test.t2 analyze status OK test.t3 analyze status OK test.t4 analyze status OK EXPLAIN SELECT name FROM t2, t1 WHERE t1.uid IN (SELECT t4.uid FROM t4, t3 WHERE t3.uid=1 AND t4.uid=t3.fid) AND t2.uid=t1.fid; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ref uid uid 5 const 4 Using where; Start temporary 1 SIMPLE t4 eq_ref PRIMARY PRIMARY 4 test.t3.fid 1 Using index 1 SIMPLE t1 ref uid uid 5 test.t3.fid 4 Using where; End temporary; Using join buffer (Batched Key Access) 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.fid 1 Using join buffer (Batched Key Access) FLUSH STATUS; SELECT name FROM t2, t1 WHERE t1.uid IN (SELECT t4.uid FROM t4, t3 WHERE t3.uid=1 AND t4.uid=t3.fid) AND t2.uid=t1.fid; name A A B B C D E F G H I SHOW STATUS LIKE '%handler_read%'; Variable_name Value Handler_read_first 0 Handler_read_key 20 Handler_read_last 0 Handler_read_next 26 Handler_read_prev 0 Handler_read_rnd 22 Handler_read_rnd_next 0 DROP TABLE t1,t2,t3,t4; # End of test for Bug#18194196 # # Bug#21184091 ASSERT `READ_ROWS >= 0.0' AT # COST_MODEL_SERVER::TMPTABLE_READWRITE_COST() # CREATE TABLE t1 ( col_int int(11), pk int(11) NOT NULL, col_int_key int(11) , col_varchar varchar(1), PRIMARY KEY (pk) ) ENGINE=MyISAM; CREATE TABLE t2 ( col_int int(11), col_varchar varchar(1) ) ENGINE=MyISAM; INSERT INTO t2 VALUES (19,'x'); INSERT INTO t2 VALUES (20,'z'); SELECT table1.col_varchar FROM (t2 AS table1 RIGHT JOIN ((t2 STRAIGHT_JOIN t1 ON (t1.col_varchar = t2.col_varchar))) ON (t1.pk = t2.col_int)) WHERE (t1.pk IN (SELECT t1.col_int_key FROM (t1 INNER JOIN t2 ON (t2.col_int = t1.col_int)))) AND table1.col_varchar != 'q'; col_varchar DROP TABLE t1,t2; # End of test for Bug#21184091 set @@optimizer_switch=@old_opt_switch; # End of 5.6 tests # Bug#21139722: Assertion failed: !(used_tables() & ((table_map) 1) ... CREATE TABLE t1(a INTEGER) engine=innodb; CREATE TABLE t2(b INTEGER) engine=innodb; explain SELECT 1 FROM (SELECT 1 IN (SELECT 1 FROM t1 WHERE (SELECT 1 FROM t2 HAVING b) NOT IN (SELECT 1 FROM t2) ) FROM t2 ) AS z; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 2 NULL 2 DERIVED t2 ALL NULL NULL NULL NULL 1 NULL 3 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 1 Using where 5 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 1 Using where 4 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 1 NULL SELECT 1 FROM (SELECT 1 IN (SELECT 1 FROM t1 WHERE (SELECT 1 FROM t2 HAVING b) NOT IN (SELECT 1 FROM t2) ) FROM t2 ) AS z; 1 DROP TABLE t1, t2; CREATE TABLE t1(a INTEGER) engine=innodb; explain SELECT (SELECT a FROM t1 AS t2 WHERE a IN (SELECT t1.a+t2.a FROM t1 AS t3)) FROM t1 AS t1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 1 NULL 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 1 Using where 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 1 FirstMatch(t2) SELECT (SELECT a FROM t1 AS t2 WHERE a IN (SELECT t1.a+t2.a FROM t1 AS t3)) FROM t1 AS t1; (SELECT a FROM t1 AS t2 WHERE a IN (SELECT t1.a+t2.a FROM t1 AS t3)) DROP TABLE t1; # End of test for Bug#21139722 # # Bug#21139402 ASSERTION FAILED: LENGTH > 0 && KEYPARTS != 0, CRASH IN JOIN::OPTIMIZE_KEYUSE # CREATE TABLE t1 (a INT, b INT, PRIMARY KEY(a)); CREATE TABLE t2 (c INT PRIMARY KEY); EXPLAIN SELECT 1 FROM t1 WHERE 1 IN (SELECT (c IS NULL) IN (SELECT a FROM t1 WHERE b) FROM t2); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT 1 FROM t1 WHERE 1 IN (SELECT (c IS NULL) IN (SELECT a FROM t1 WHERE b) FROM t2); 1 DROP TABLE t1,t2; # # Bug #22305361: QUERY WITH MATERIALIZED TABLE RETURNS INCORRECT # RESULTS IN 5.6 # CREATE TABLE t(a INT,b INT); INSERT INTO t VALUES (1,0),(1,0),(1,0),(1,0),(1,1); EXPLAIN extended SELECT * FROM t AS t1 WHERE t1.a IN (SELECT t2.a FROM t AS t2 WHERE CONCAT(t2.a,'') NOT IN (SELECT t3.a FROM t AS t3 WHERE t3.b=1)); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 5 100.00 Using where 1 PRIMARY eq_ref 5 test.t1.a 1 100.00 NULL 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 5 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t` `t1` semi join (`test`.`t` `t2`) where ((``.`a` = `test`.`t1`.`a`) and (not((concat(`test`.`t2`.`a`,''),(/* select#3 */ select 1 from `test`.`t` `t3` where ((`test`.`t3`.`b` = 1) and (outer_field_is_not_null, (((concat(`test`.`t2`.`a`,'')) = `test`.`t3`.`a`) or isnull(`test`.`t3`.`a`)), true)) having (outer_field_is_not_null, (`test`.`t3`.`a`), true)))))) SELECT * FROM t AS t1 WHERE t1.a IN (SELECT t2.a FROM t AS t2 WHERE CONCAT(t2.a,'') NOT IN (SELECT t3.a FROM t AS t3 WHERE t3.b=1)); a b DROP TABLE t; set optimizer_switch=default; set optimizer_switch=default;