Correctly handle multi-column indices where multiple columns are constrained
by IN operators with subqueries on the right-hand side. Ticket #1807. (CVS 3184) FossilOrigin-Name: b16541ba5e6a9514f9f317888117c68b6818f9cb
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drh
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14
manifest
@ -1,5 +1,5 @@
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C Fix\scomments\son\sthe\simplementation\sof\sthe\sSUM()\sfunction.\s(CVS\s3183)
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D 2006-05-11T13:25:39
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C Correctly\shandle\smulti-column\sindices\swhere\smultiple\scolumns\sare\sconstrained\nby\sIN\soperators\swith\ssubqueries\son\sthe\sright-hand\sside.\s\sTicket\s#1807.\s(CVS\s3184)
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D 2006-05-11T13:26:26
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F Makefile.in 5d8dff443383918b700e495de42ec65bc1c8865b
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F Makefile.linux-gcc 74ba0eadf88748a9ce3fd03d2a3ede2e6715baec
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F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
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@ -96,7 +96,7 @@ F src/vdbeapi.c 7dc662e7c905ce666bb506dced932e0307115cbf
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F src/vdbeaux.c 4002e6b19d7c9719cb81f9797316b9ad118e4370
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F src/vdbefifo.c 9efb94c8c3f4c979ebd0028219483f88e57584f5
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F src/vdbemem.c 5f0afe3b92bb2c037f8d5d697f7c151fa50783a3
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F src/where.c dc626f8c0fcff56ab7b08c9fb579d8ac33b0fbd9
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F src/where.c a8f0317d6e0b8b1681cb0dea51f08db97ea818e1
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F tclinstaller.tcl 046e3624671962dc50f0481d7c25b38ef803eb42
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F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
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F test/all.test 5df90d015ca63fcef2a4b62c24f7316b66c4bfd4
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@ -281,7 +281,7 @@ F test/vacuum2.test 5aea8c88a65cb29f7d175296e7c819c6158d838c
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F test/varint.test ab7b110089a08b9926ed7390e7e97bdefeb74102
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F test/view.test b0aeb933cc9dc5bb44d87f3859f3763d770f0153
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F test/where.test ee7c9a6659b07e1ee61177f6e7ff71565ee2c9df
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F test/where2.test fde821b9cb8e20d53ccd2e71482b063c5b1e222a
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F test/where2.test a16476a5913e75cf65b38f2daa6157a6b7791394
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F test/where3.test 6356013ce1c8ddc22a65c880dfff2b2c985634cb
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F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
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F tool/lemon.c b0b881c172b5375444ef1c13d80ab01efec3605e
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@ -355,7 +355,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
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F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
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F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
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P 364031d6e512b992a7147bbc8e046c20c0c5335a
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R 9cfa66f5d989cfd0f2aaee034ce3a939
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P a8909f3e5fc67ac1ba7d1abd7fb0f4004fec5984
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R 3b9298194c78634fe2af414c3cfaec76
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U drh
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Z d937dfe62cc7b6890517312daa4fad61
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Z b60d85531a3794b0e00f9f1580fe1115
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@ -1 +1 @@
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a8909f3e5fc67ac1ba7d1abd7fb0f4004fec5984
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b16541ba5e6a9514f9f317888117c68b6818f9cb
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20
src/where.c
20
src/where.c
@ -16,7 +16,7 @@
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** so is applicable. Because this module is responsible for selecting
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** indices, you might also think of this module as the "query optimizer".
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**
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** $Id: where.c,v 1.207 2006/04/21 09:38:37 drh Exp $
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** $Id: where.c,v 1.208 2006/05/11 13:26:26 drh Exp $
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*/
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#include "sqliteInt.h"
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@ -1034,7 +1034,7 @@ static double bestIndex(
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Expr *pExpr = pTerm->pExpr;
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flags |= WHERE_COLUMN_IN;
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if( pExpr->pSelect!=0 ){
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inMultiplier *= 100;
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inMultiplier *= 25;
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}else if( pExpr->pList!=0 ){
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inMultiplier *= pExpr->pList->nExpr + 1;
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}
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@ -1224,17 +1224,16 @@ static void codeEqualityTerm(
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sqlite3CodeSubselect(pParse, pX);
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iTab = pX->iTable;
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sqlite3VdbeAddOp(v, OP_Rewind, iTab, brk);
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sqlite3VdbeAddOp(v, OP_Rewind, iTab, 0);
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VdbeComment((v, "# %.*s", pX->span.n, pX->span.z));
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pLevel->nIn++;
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sqliteReallocOrFree((void**)&pLevel->aInLoop,
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sizeof(pLevel->aInLoop[0])*3*pLevel->nIn);
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sizeof(pLevel->aInLoop[0])*2*pLevel->nIn);
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aIn = pLevel->aInLoop;
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if( aIn ){
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aIn += pLevel->nIn*3 - 3;
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aIn[0] = OP_Next;
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aIn[1] = iTab;
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aIn[2] = sqlite3VdbeAddOp(v, OP_Column, iTab, 0);
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aIn += pLevel->nIn*2 - 2;
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aIn[0] = iTab;
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aIn[1] = sqlite3VdbeAddOp(v, OP_Column, iTab, 0);
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}else{
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pLevel->nIn = 0;
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}
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@ -2059,8 +2058,9 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
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if( pLevel->nIn ){
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int *a;
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int j;
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for(j=pLevel->nIn, a=&pLevel->aInLoop[j*3-3]; j>0; j--, a-=3){
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sqlite3VdbeAddOp(v, a[0], a[1], a[2]);
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for(j=pLevel->nIn, a=&pLevel->aInLoop[j*2-2]; j>0; j--, a-=2){
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sqlite3VdbeAddOp(v, OP_Next, a[0], a[1]);
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sqlite3VdbeJumpHere(v, a[1]-1);
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}
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sqliteFree(pLevel->aInLoop);
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}
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162
test/where2.test
162
test/where2.test
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# focus of this file is testing the use of indices in WHERE clauses
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# based on recent changes to the optimizer.
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#
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# $Id: where2.test,v 1.8 2006/01/17 09:35:03 danielk1977 Exp $
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# $Id: where2.test,v 1.9 2006/05/11 13:26:26 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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@ -291,4 +291,164 @@ do_test where2-7.4 {
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}
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} {1 2 3 2 3 nosort}
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# Ticket #1807. Using IN constrains on multiple columns of
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# a multi-column index.
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#
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ifcapable subquery {
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do_test where2-8.1 {
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execsql {
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SELECT * FROM t1 WHERE x IN (20,21) AND y IN (1,2)
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}
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} {}
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do_test where2-8.2 {
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execsql {
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SELECT * FROM t1 WHERE x IN (1,2) AND y IN (-5,-6)
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}
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} {}
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execsql {CREATE TABLE tx AS SELECT * FROM t1}
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do_test where2-8.3 {
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execsql {
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SELECT w FROM t1
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WHERE x IN (SELECT x FROM tx WHERE rowid<0)
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AND +y IN (SELECT y FROM tx WHERE rowid=1)
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}
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} {}
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do_test where2-8.4 {
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execsql {
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SELECT w FROM t1
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WHERE x IN (SELECT x FROM tx WHERE rowid=1)
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AND y IN (SELECT y FROM tx WHERE rowid<0)
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}
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} {}
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#set sqlite_where_trace 1
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do_test where2-8.5 {
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execsql {
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CREATE INDEX tx_xyz ON tx(x, y, z, w);
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 12 AND 14)
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}
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} {12 13 14}
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do_test where2-8.6 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 12 AND 14)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {12 13 14}
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do_test where2-8.7 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 12 AND 14)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {10 11 12 13 14 15}
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do_test where2-8.8 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {10 11 12 13 14 15 16 17 18 19 20}
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do_test where2-8.9 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 2 AND 4)
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}
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} {}
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do_test where2-8.10 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 2 AND 4)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.11 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 2 AND 4)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.12 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN -4 AND -2)
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}
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} {}
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do_test where2-8.13 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN -4 AND -2)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.14 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN -4 AND -2)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.15 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 200 AND 300)
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}
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} {}
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do_test where2-8.16 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 200 AND 300)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.17 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 200 AND 300)
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AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.18 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 200 AND 300)
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}
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} {}
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do_test where2-8.19 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20)
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AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 200 AND 300)
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AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20)
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}
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} {}
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do_test where2-8.20 {
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execsql {
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SELECT w FROM tx
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WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 200 AND 300)
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AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20)
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AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20)
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}
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} {}
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}
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finish_test
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