Use a heuristic in the query planner to help it better cope with large
star schema queries. FossilOrigin-Name: a98be0f548f277fab8f38a2dec6ddcbe7a7fff27856ba19e76ad8c5641894b7b
This commit is contained in:
drh
parent
d60a503b4c
commit
c34ff12c59
18
manifest
18
manifest
@ -1,5 +1,5 @@
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C Fix\sa\scouple\sof\sassert()\sstatements\sso\sthat\sthey\scannot\sfire\nwhen\sthe\sSQLITE_TESTCTRL_INTERNAL_FUNCTIONS\sdebugging\scapability\nis\sactivated.\s\sdbsqlfuzz\sf5b347cf167a62fbe08062b2feee65cb9306e363.
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D 2024-05-28T19:08:18.051
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C Use\sa\sheuristic\sin\sthe\squery\splanner\sto\shelp\sit\sbetter\scope\swith\slarge\nstar\sschema\squeries.
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D 2024-05-29T00:38:12.212
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F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
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F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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@ -840,8 +840,8 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
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F src/wal.c 887fc4ca3f020ebb2e376f222069570834ac63bf50111ef0cbf3ae417048ed89
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F src/wal.h ba252daaa94f889f4b2c17c027e823d9be47ce39da1d3799886bbd51f0490452
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F src/walker.c 7c7ea0115345851c3da4e04e2e239a29983b61fb5b038b94eede6aba462640e2
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F src/where.c 692d3d72c6d616c03aae0864366deffc367ddd8b428ec8eb41223f40afe3e2f5
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F src/whereInt.h 82a13766f13d1a53b05387c2e60726289ef26404bc7b9b1f7770204d97357fb8
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F src/where.c 4b777f3c20be01c9849f651a99f187a83300effd20ed8079e16e6498ca99a1f6
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F src/whereInt.h aff769fab5e21f8da96d4588f49204fa341f5d0f762ce965826dcf4f57c5a9d1
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F src/wherecode.c d5184620bcb5265d59072cb66e1386bfe0331a9ce7614286f9ab79a4fcd00fb8
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F src/whereexpr.c 67d15caf88a1a9528283d68ff578e024cf9fe810b517bb0343e5aaf695ad97dd
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F src/window.c 5d95122dd330bfaebd732358c8ef067c5a9394a53ac249470d611d0ce2c52be2
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@ -1661,6 +1661,7 @@ F test/spellfix4.test 51c7c26514ade169855c66bcf130bd5acfb4d7fd090cc624645ab275ae
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F test/sqldiff1.test 1b7ab4f312442c5cc6b3a5f299fa8ca051416d1dd173cb1126fd51bf64f2c3fb
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F test/sqllimits1.test dee96a51b83ef866d06ec3c687d4c951d97b02549facc5be88c9dfcb215b98bf
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F test/sqllog.test 6af6cb0b09f4e44e1917e06ce85be7670302517a
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F test/starschema1.test b8dad4cd297e7639698d3f3af97693efc2f740f1ba66f92acef900d1bb0d82a4
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F test/startup.c 1beb5ca66fcc0fce95c3444db9d1674f90fc605499a574ae2434dcfc10d22805
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F test/stat.test 123212a20ceb496893d5254a5f6c76442ce549fdc08d1702d8288a2bbaac8408
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F test/statfault.test 064f43379e4992b5221b7d9ac887c313b3191f85cce605d78e416fc4045da64e
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@ -2193,8 +2194,11 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P 1e49081001f93b75ee499536f8a61a0f49225a1745117bb9267249c38c4bf803
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R 64eb34d956a538c4310c3186c1ebd004
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P 273504b74cb9c3cfa2497a1339e706a1f2d2c3ce81b23a16beb47da9292535e0
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R 22ac7091c1a5acc513b0e5ab9d7bf6ee
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T *branch * star-schema
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T *sym-star-schema *
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T -sym-trunk *
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U drh
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Z bedb48464f906f24fcbe994c86e9e98f
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Z 6e119c920cb95d32552c3e003a8c097f
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# Remove this line to create a well-formed Fossil manifest.
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@ -1 +1 @@
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273504b74cb9c3cfa2497a1339e706a1f2d2c3ce81b23a16beb47da9292535e0
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a98be0f548f277fab8f38a2dec6ddcbe7a7fff27856ba19e76ad8c5641894b7b
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67
src/where.c
67
src/where.c
@ -5244,6 +5244,63 @@ static LogEst whereSortingCost(
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return rSortCost;
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}
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/*
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** Compute the maximum number of paths in the solver algorithm, for
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** queries that have three or more terms in the FROM clause. Queries with
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** two or fewer FROM clause terms are handled by the caller.
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**
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** Query planning is NP-hard. We must limit the number of paths at
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** each step of the solver search algorithm to avoid exponential behavior.
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**
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** The value returned is a tuning parameter. Currently the value is
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** 12 for normal queries and 18 for "star-queries". A star-query is
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** a query with large central table that is joined against three or
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** more smaller tables. The central table is called the "fact" table.
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** The smaller tables that get joined are "dimension tables".
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**
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** SIDE EFFECT:
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**
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** If pWInfo describes a star-query, then the cost on WhereLoops for the
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** fact table is reduced. This heuristic helps keep fact tables in
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** outer loops. Without this heuristic, paths with fact tables in outer
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** loops tend to get pruned by the mxChoice limit on the number of paths,
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** resulting in poor query plans.
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*/
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static int computeMxChoice(WhereInfo *pWInfo, LogEst nRowEst){
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int nLoop = pWInfo->nLevel; /* Number of terms in the join */
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if( nRowEst==0 && nLoop>=4 ){
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/* Check to see if we are dealing with a star schema and if so, reduce
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** the cost of fact tables relative to dimension tables, as a heuristic
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** to help keep the fact tables in outer loops.
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*/
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int iLoop; /* Counter over join terms */
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Bitmask m; /* Bitmask for current loop */
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assert( pWInfo->nOutStarDelta==0 );
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for(iLoop=0, m=1; iLoop<nLoop; iLoop++, m<<=1){
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int nDep = 0;
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WhereLoop *pWLoop;
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LogEst rDelta;
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Bitmask mSeen = 0;
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for(pWLoop=pWInfo->pLoops; pWLoop; pWLoop=pWLoop->pNextLoop){
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if( (pWLoop->prereq & m)!=0 && (pWLoop->maskSelf & mSeen)==0 ){
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nDep++;
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mSeen |= pWLoop->maskSelf;
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}
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}
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if( nDep<=3 ) continue;
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rDelta = 15*(nDep-3);
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pWInfo->nOutStarDelta += rDelta;
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for(pWLoop=pWInfo->pLoops; pWLoop; pWLoop=pWLoop->pNextLoop){
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if( pWLoop->maskSelf==m ){
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pWLoop->rRun -= rDelta;
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pWLoop->nOut -= rDelta;
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}
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}
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}
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}
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return pWInfo->nOutStarDelta>0 ? 18 : 12;
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}
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/*
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** Given the list of WhereLoop objects at pWInfo->pLoops, this routine
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** attempts to find the lowest cost path that visits each WhereLoop
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@ -5288,7 +5345,13 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
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** 2 5
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** 3+ 8*(N-2)
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*/
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mxChoice = (nLoop<=1) ? 1 : (nLoop==2 ? 5 : 8*(nLoop-2));
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if( nLoop<=1 ){
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mxChoice = 1;
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}else if( nLoop==2 ){
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mxChoice = 5;
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}else{
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mxChoice = computeMxChoice(pWInfo, nRowEst);
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}
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assert( nLoop<=pWInfo->pTabList->nSrc );
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WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d, nQueryLoop=%d)\n",
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nRowEst, pParse->nQueryLoop));
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@ -5651,7 +5714,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
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}
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}
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pWInfo->nRowOut = pFrom->nRow;
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pWInfo->nRowOut = pFrom->nRow + pWInfo->nOutStarDelta;
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/* Free temporary memory and return success */
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sqlite3StackFreeNN(pParse->db, pSpace);
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@ -482,6 +482,7 @@ struct WhereInfo {
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unsigned untestedTerms :1; /* Not all WHERE terms resolved by outer loop */
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unsigned bOrderedInnerLoop:1;/* True if only the inner-most loop is ordered */
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unsigned sorted :1; /* True if really sorted (not just grouped) */
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LogEst nOutStarDelta; /* Artifical nOut reduction for star-query */
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LogEst nRowOut; /* Estimated number of output rows */
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int iTop; /* The very beginning of the WHERE loop */
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int iEndWhere; /* End of the WHERE clause itself */
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584
test/starschema1.test
Normal file
584
test/starschema1.test
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@ -0,0 +1,584 @@
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# 2024-05-28
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# Test cases for the ability of the query planner to cope with
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# star-schema queries on databases with goofy indexes.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix starschema1
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do_execsql_test 1.1 {
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CREATE TABLE t1(
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a01 INT, a02 INT, a03 INT, a04 INT, a05 INT, a06 INT, a07 INT, a08 INT,
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a09 INT, a10 INT, a11 INT, a12 INT, a13 INT, a14 INT, a15 INT, a16 INT,
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a17 INT, a18 INT, a19 INT, a20 INT, a21 INT, a22 INT, a23 INT, a24 INT,
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a25 INT, a26 INT, a27 INT, a28 INT, a29 INT, a30 INT, a31 INT, a32 INT,
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a33 INT, a34 INT, a35 INT, a36 INT, a37 INT, a38 INT, a39 INT, a40 INT,
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a41 INT, a42 INT, a43 INT, a44 INT, a45 INT, a46 INT, a47 INT, a48 INT,
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a49 INT, a50 INT, a51 INT, a52 INT, a53 INT, a54 INT, a55 INT, a56 INT,
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a57 INT, a58 INT, a59 INT, a60 INT, a61 INT, a62 INT, a63 INT, d TEXT);
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CREATE TABLE x01(b01 INT, c01 TEXT);
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CREATE TABLE x02(b02 INT, c02 TEXT);
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CREATE TABLE x03(b03 INT, c03 TEXT);
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CREATE TABLE x04(b04 INT, c04 TEXT);
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CREATE TABLE x05(b05 INT, c05 TEXT);
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CREATE TABLE x06(b06 INT, c06 TEXT);
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CREATE TABLE x07(b07 INT, c07 TEXT);
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CREATE TABLE x08(b08 INT, c08 TEXT);
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CREATE TABLE x09(b09 INT, c09 TEXT);
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CREATE TABLE x10(b10 INT, c10 TEXT);
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CREATE TABLE x11(b11 INT, c11 TEXT);
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CREATE TABLE x12(b12 INT, c12 TEXT);
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CREATE TABLE x13(b13 INT, c13 TEXT);
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CREATE TABLE x14(b14 INT, c14 TEXT);
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CREATE TABLE x15(b15 INT, c15 TEXT);
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CREATE TABLE x16(b16 INT, c16 TEXT);
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CREATE TABLE x17(b17 INT, c17 TEXT);
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CREATE TABLE x18(b18 INT, c18 TEXT);
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CREATE TABLE x19(b19 INT, c19 TEXT);
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CREATE TABLE x20(b20 INT, c20 TEXT);
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CREATE TABLE x21(b21 INT, c21 TEXT);
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CREATE TABLE x22(b22 INT, c22 TEXT);
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CREATE TABLE x23(b23 INT, c23 TEXT);
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CREATE TABLE x24(b24 INT, c24 TEXT);
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CREATE TABLE x25(b25 INT, c25 TEXT);
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CREATE TABLE x26(b26 INT, c26 TEXT);
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CREATE TABLE x27(b27 INT, c27 TEXT);
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CREATE TABLE x28(b28 INT, c28 TEXT);
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CREATE TABLE x29(b29 INT, c29 TEXT);
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CREATE TABLE x30(b30 INT, c30 TEXT);
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CREATE TABLE x31(b31 INT, c31 TEXT);
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CREATE TABLE x32(b32 INT, c32 TEXT);
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CREATE TABLE x33(b33 INT, c33 TEXT);
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CREATE TABLE x34(b34 INT, c34 TEXT);
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CREATE TABLE x35(b35 INT, c35 TEXT);
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CREATE TABLE x36(b36 INT, c36 TEXT);
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CREATE TABLE x37(b37 INT, c37 TEXT);
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CREATE TABLE x38(b38 INT, c38 TEXT);
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CREATE TABLE x39(b39 INT, c39 TEXT);
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CREATE TABLE x40(b40 INT, c40 TEXT);
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CREATE TABLE x41(b41 INT, c41 TEXT);
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CREATE TABLE x42(b42 INT, c42 TEXT);
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CREATE TABLE x43(b43 INT, c43 TEXT);
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CREATE TABLE x44(b44 INT, c44 TEXT);
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CREATE TABLE x45(b45 INT, c45 TEXT);
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CREATE TABLE x46(b46 INT, c46 TEXT);
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CREATE TABLE x47(b47 INT, c47 TEXT);
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CREATE TABLE x48(b48 INT, c48 TEXT);
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CREATE TABLE x49(b49 INT, c49 TEXT);
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CREATE TABLE x50(b50 INT, c50 TEXT);
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CREATE TABLE x51(b51 INT, c51 TEXT);
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CREATE TABLE x52(b52 INT, c52 TEXT);
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CREATE TABLE x53(b53 INT, c53 TEXT);
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CREATE TABLE x54(b54 INT, c54 TEXT);
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CREATE TABLE x55(b55 INT, c55 TEXT);
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CREATE TABLE x56(b56 INT, c56 TEXT);
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CREATE TABLE x57(b57 INT, c57 TEXT);
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CREATE TABLE x58(b58 INT, c58 TEXT);
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CREATE TABLE x59(b59 INT, c59 TEXT);
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CREATE TABLE x60(b60 INT, c60 TEXT);
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CREATE TABLE x61(b61 INT, c61 TEXT);
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CREATE TABLE x62(b62 INT, c62 TEXT);
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CREATE TABLE x63(b63 INT, c63 TEXT);
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/**** Uncomment to generate actual data ************************************
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<172800)
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INSERT INTO t1
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SELECT stmtrand()%12, stmtrand()%13, stmtrand()%14, stmtrand()%15,
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stmtrand()%16, stmtrand()%17, stmtrand()%18, stmtrand()%19,
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stmtrand()%20, stmtrand()%21, stmtrand()%22, stmtrand()%23,
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stmtrand()%24, stmtrand()%25, stmtrand()%26, stmtrand()%27,
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stmtrand()%28, stmtrand()%29, stmtrand()%30, stmtrand()%31,
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stmtrand()%32, stmtrand()%33, stmtrand()%34, stmtrand()%35,
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stmtrand()%36, stmtrand()%37, stmtrand()%38, stmtrand()%39,
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stmtrand()%40, stmtrand()%41, stmtrand()%42, stmtrand()%43,
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stmtrand()%28, stmtrand()%29, stmtrand()%30, stmtrand()%31,
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stmtrand()%32, stmtrand()%33, stmtrand()%34, stmtrand()%35,
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stmtrand()%36, stmtrand()%37, stmtrand()%38, stmtrand()%39,
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stmtrand()%40, stmtrand()%41, stmtrand()%42, stmtrand()%43,
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stmtrand()%28, stmtrand()%29, stmtrand()%30, stmtrand()%31,
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stmtrand()%32, stmtrand()%33, stmtrand()%34, stmtrand()%35,
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stmtrand()%36, stmtrand()%37, stmtrand()%38, stmtrand()%39,
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stmtrand()%40, stmtrand()%41, stmtrand()%42, stmtrand() FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<8)
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INSERT INTO x01 SELECT n%4, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<12)
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INSERT INTO x02 SELECT n%6, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<16)
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INSERT INTO x03 SELECT n%8, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<20)
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INSERT INTO x04 SELECT n%10, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<24)
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INSERT INTO x05 SELECT n%12, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<32)
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INSERT INTO x06 SELECT n%16, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<36)
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INSERT INTO x07 SELECT n%18, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<40)
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INSERT INTO x08 SELECT n%20, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<44)
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INSERT INTO x09 SELECT n%22, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<48)
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INSERT INTO x10 SELECT n%24, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<52)
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INSERT INTO x11 SELECT n%26, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<56)
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INSERT INTO x12 SELECT n%28, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<60)
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INSERT INTO x13 SELECT n%30, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<64)
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INSERT INTO x14 SELECT n%32, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<72)
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INSERT INTO x15 SELECT n%36, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<80)
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INSERT INTO x16 SELECT n%40, format('%d-or-0x%04x',n,n) FROM c;
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WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<8)
|
||||
INSERT INTO x17 SELECT n%4, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<12)
|
||||
INSERT INTO x18 SELECT n%6, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<16)
|
||||
INSERT INTO x19 SELECT n%8, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<20)
|
||||
INSERT INTO x20 SELECT n%10, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<24)
|
||||
INSERT INTO x21 SELECT n%12, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<32)
|
||||
INSERT INTO x22 SELECT n%16, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<36)
|
||||
INSERT INTO x23 SELECT n%18, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<40)
|
||||
INSERT INTO x24 SELECT n%20, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<44)
|
||||
INSERT INTO x25 SELECT n%22, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<48)
|
||||
INSERT INTO x26 SELECT n%24, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<52)
|
||||
INSERT INTO x27 SELECT n%26, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<56)
|
||||
INSERT INTO x28 SELECT n%28, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<60)
|
||||
INSERT INTO x29 SELECT n%30, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<64)
|
||||
INSERT INTO x30 SELECT n%32, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<72)
|
||||
INSERT INTO x31 SELECT n%36, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<80)
|
||||
INSERT INTO x32 SELECT n%40, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<8)
|
||||
INSERT INTO x33 SELECT n%4, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<12)
|
||||
INSERT INTO x34 SELECT n%6, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<16)
|
||||
INSERT INTO x35 SELECT n%8, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<20)
|
||||
INSERT INTO x36 SELECT n%10, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<24)
|
||||
INSERT INTO x37 SELECT n%12, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<32)
|
||||
INSERT INTO x38 SELECT n%16, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<36)
|
||||
INSERT INTO x39 SELECT n%18, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<40)
|
||||
INSERT INTO x40 SELECT n%20, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<44)
|
||||
INSERT INTO x41 SELECT n%22, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<48)
|
||||
INSERT INTO x42 SELECT n%24, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<52)
|
||||
INSERT INTO x43 SELECT n%26, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<56)
|
||||
INSERT INTO x44 SELECT n%28, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<60)
|
||||
INSERT INTO x45 SELECT n%30, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<64)
|
||||
INSERT INTO x46 SELECT n%32, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<72)
|
||||
INSERT INTO x47 SELECT n%36, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<80)
|
||||
INSERT INTO x48 SELECT n%40, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<8)
|
||||
INSERT INTO x49 SELECT n%4, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<12)
|
||||
INSERT INTO x50 SELECT n%6, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<16)
|
||||
INSERT INTO x51 SELECT n%8, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<20)
|
||||
INSERT INTO x52 SELECT n%10, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<24)
|
||||
INSERT INTO x53 SELECT n%12, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<32)
|
||||
INSERT INTO x54 SELECT n%16, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<36)
|
||||
INSERT INTO x55 SELECT n%18, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<40)
|
||||
INSERT INTO x56 SELECT n%20, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<44)
|
||||
INSERT INTO x57 SELECT n%22, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<48)
|
||||
INSERT INTO x58 SELECT n%24, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<52)
|
||||
INSERT INTO x59 SELECT n%26, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<56)
|
||||
INSERT INTO x60 SELECT n%28, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<60)
|
||||
INSERT INTO x61 SELECT n%30, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<64)
|
||||
INSERT INTO x62 SELECT n%32, format('%d-or-0x%04x',n,n) FROM c;
|
||||
WITH RECURSIVE c(n) AS (VALUES(1) UNION ALL SELECT n+1 FROM c WHERE n<72)
|
||||
INSERT INTO x63 SELECT n%36, format('%d-or-0x%04x',n,n) FROM c;
|
||||
****************************************************************************/
|
||||
CREATE INDEX t1a01 ON t1(a01);
|
||||
CREATE INDEX t1a02 ON t1(a02);
|
||||
CREATE INDEX t1a03 ON t1(a03);
|
||||
CREATE INDEX t1a04 ON t1(a04);
|
||||
CREATE INDEX t1a05 ON t1(a05);
|
||||
CREATE INDEX t1a06 ON t1(a06);
|
||||
CREATE INDEX t1a07 ON t1(a07);
|
||||
CREATE INDEX t1a08 ON t1(a08);
|
||||
CREATE INDEX t1a09 ON t1(a09);
|
||||
CREATE INDEX t1a10 ON t1(a10);
|
||||
CREATE INDEX t1a11 ON t1(a11);
|
||||
CREATE INDEX t1a12 ON t1(a12);
|
||||
CREATE INDEX t1a13 ON t1(a13);
|
||||
CREATE INDEX t1a14 ON t1(a14);
|
||||
CREATE INDEX t1a15 ON t1(a15);
|
||||
CREATE INDEX t1a16 ON t1(a16);
|
||||
CREATE INDEX t1a17 ON t1(a17);
|
||||
CREATE INDEX t1a18 ON t1(a18);
|
||||
CREATE INDEX t1a19 ON t1(a19);
|
||||
CREATE INDEX t1a20 ON t1(a20);
|
||||
CREATE INDEX t1a21 ON t1(a21);
|
||||
CREATE INDEX t1a22 ON t1(a22);
|
||||
CREATE INDEX t1a23 ON t1(a23);
|
||||
CREATE INDEX t1a24 ON t1(a24);
|
||||
CREATE INDEX t1a25 ON t1(a25);
|
||||
CREATE INDEX t1a26 ON t1(a26);
|
||||
CREATE INDEX t1a27 ON t1(a27);
|
||||
CREATE INDEX t1a28 ON t1(a28);
|
||||
CREATE INDEX t1a29 ON t1(a29);
|
||||
CREATE INDEX t1a30 ON t1(a30);
|
||||
CREATE INDEX t1a31 ON t1(a31);
|
||||
CREATE INDEX t1a32 ON t1(a32);
|
||||
CREATE INDEX t1a33 ON t1(a33);
|
||||
CREATE INDEX t1a34 ON t1(a34);
|
||||
CREATE INDEX t1a35 ON t1(a35);
|
||||
CREATE INDEX t1a36 ON t1(a36);
|
||||
CREATE INDEX t1a37 ON t1(a37);
|
||||
CREATE INDEX t1a38 ON t1(a38);
|
||||
CREATE INDEX t1a39 ON t1(a39);
|
||||
CREATE INDEX t1a40 ON t1(a40);
|
||||
CREATE INDEX t1a41 ON t1(a41);
|
||||
CREATE INDEX t1a42 ON t1(a42);
|
||||
CREATE INDEX t1a43 ON t1(a43);
|
||||
CREATE INDEX t1a44 ON t1(a44);
|
||||
CREATE INDEX t1a45 ON t1(a45);
|
||||
CREATE INDEX t1a46 ON t1(a46);
|
||||
CREATE INDEX t1a47 ON t1(a47);
|
||||
CREATE INDEX t1a48 ON t1(a48);
|
||||
CREATE INDEX t1a49 ON t1(a49);
|
||||
CREATE INDEX t1a50 ON t1(a50);
|
||||
CREATE INDEX t1a51 ON t1(a51);
|
||||
CREATE INDEX t1a52 ON t1(a52);
|
||||
CREATE INDEX t1a53 ON t1(a53);
|
||||
CREATE INDEX t1a54 ON t1(a54);
|
||||
CREATE INDEX t1a55 ON t1(a55);
|
||||
CREATE INDEX t1a56 ON t1(a56);
|
||||
CREATE INDEX t1a57 ON t1(a57);
|
||||
CREATE INDEX t1a58 ON t1(a58);
|
||||
CREATE INDEX t1a59 ON t1(a59);
|
||||
CREATE INDEX t1a60 ON t1(a60);
|
||||
CREATE INDEX t1a61 ON t1(a61);
|
||||
CREATE INDEX t1a62 ON t1(a62);
|
||||
CREATE INDEX t1a63 ON t1(a63);
|
||||
CREATE INDEX x01x ON x01(b01);
|
||||
CREATE INDEX x02x ON x02(b02);
|
||||
CREATE INDEX x03x ON x03(b03);
|
||||
CREATE INDEX x04x ON x04(b04);
|
||||
CREATE INDEX x05x ON x05(b05);
|
||||
CREATE INDEX x06x ON x06(b06);
|
||||
CREATE INDEX x07x ON x07(b07);
|
||||
CREATE INDEX x08x ON x08(b08);
|
||||
CREATE INDEX x09x ON x09(b09);
|
||||
CREATE INDEX x10x ON x10(b10);
|
||||
CREATE INDEX x11x ON x11(b11);
|
||||
CREATE INDEX x12x ON x12(b12);
|
||||
CREATE INDEX x13x ON x13(b13);
|
||||
CREATE INDEX x14x ON x14(b14);
|
||||
CREATE INDEX x15x ON x15(b15);
|
||||
CREATE INDEX x16x ON x16(b16);
|
||||
CREATE INDEX x17x ON x17(b17);
|
||||
CREATE INDEX x18x ON x18(b18);
|
||||
CREATE INDEX x19x ON x19(b19);
|
||||
CREATE INDEX x20x ON x20(b20);
|
||||
CREATE INDEX x21x ON x21(b21);
|
||||
CREATE INDEX x22x ON x22(b22);
|
||||
CREATE INDEX x23x ON x23(b23);
|
||||
CREATE INDEX x24x ON x24(b24);
|
||||
CREATE INDEX x25x ON x25(b25);
|
||||
CREATE INDEX x26x ON x26(b26);
|
||||
CREATE INDEX x27x ON x27(b27);
|
||||
CREATE INDEX x28x ON x28(b28);
|
||||
CREATE INDEX x29x ON x29(b29);
|
||||
CREATE INDEX x30x ON x30(b30);
|
||||
CREATE INDEX x31x ON x31(b31);
|
||||
CREATE INDEX x32x ON x32(b32);
|
||||
CREATE INDEX x33x ON x33(b33);
|
||||
CREATE INDEX x34x ON x34(b34);
|
||||
CREATE INDEX x35x ON x35(b35);
|
||||
CREATE INDEX x36x ON x36(b36);
|
||||
CREATE INDEX x37x ON x37(b37);
|
||||
CREATE INDEX x38x ON x38(b38);
|
||||
CREATE INDEX x39x ON x39(b39);
|
||||
CREATE INDEX x40x ON x40(b40);
|
||||
CREATE INDEX x41x ON x41(b41);
|
||||
CREATE INDEX x42x ON x42(b42);
|
||||
CREATE INDEX x43x ON x43(b43);
|
||||
CREATE INDEX x44x ON x44(b44);
|
||||
CREATE INDEX x45x ON x45(b45);
|
||||
CREATE INDEX x46x ON x46(b46);
|
||||
CREATE INDEX x47x ON x47(b47);
|
||||
CREATE INDEX x48x ON x48(b48);
|
||||
CREATE INDEX x49x ON x49(b49);
|
||||
CREATE INDEX x50x ON x50(b50);
|
||||
CREATE INDEX x51x ON x51(b51);
|
||||
CREATE INDEX x52x ON x52(b52);
|
||||
CREATE INDEX x53x ON x53(b53);
|
||||
CREATE INDEX x54x ON x54(b54);
|
||||
CREATE INDEX x55x ON x55(b55);
|
||||
CREATE INDEX x56x ON x56(b56);
|
||||
CREATE INDEX x57x ON x57(b57);
|
||||
CREATE INDEX x58x ON x58(b58);
|
||||
CREATE INDEX x59x ON x59(b59);
|
||||
CREATE INDEX x60x ON x60(b60);
|
||||
CREATE INDEX x61x ON x61(b61);
|
||||
CREATE INDEX x62x ON x62(b62);
|
||||
CREATE INDEX x63x ON x63(b63);
|
||||
ANALYZE sqlite_schema;
|
||||
INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES
|
||||
('t1','t1a01','172800 14400'),
|
||||
('t1','t1a02','172800 13293'),
|
||||
('t1','t1a03','172800 12343'),
|
||||
('t1','t1a04','172800 11520'),
|
||||
('t1','t1a05','172800 10800'),
|
||||
('t1','t1a06','172800 10165'),
|
||||
('t1','t1a07','172800 9600'),
|
||||
('t1','t1a08','172800 9095'),
|
||||
('t1','t1a09','172800 8640'),
|
||||
('t1','t1a10','172800 8229'),
|
||||
('t1','t1a11','172800 7855'),
|
||||
('t1','t1a12','172800 7514'),
|
||||
('t1','t1a13','172800 7200'),
|
||||
('t1','t1a14','172800 6912'),
|
||||
('t1','t1a15','172800 6647'),
|
||||
('t1','t1a16','172800 6400'),
|
||||
('t1','t1a17','172800 6172'),
|
||||
('t1','t1a18','172800 5959'),
|
||||
('t1','t1a19','172800 5760'),
|
||||
('t1','t1a20','172800 5575'),
|
||||
('t1','t1a21','172800 5400'),
|
||||
('t1','t1a22','172800 5237'),
|
||||
('t1','t1a23','172800 5083'),
|
||||
('t1','t1a24','172800 4938'),
|
||||
('t1','t1a25','172800 4800'),
|
||||
('t1','t1a26','172800 4671'),
|
||||
('t1','t1a27','172800 4548'),
|
||||
('t1','t1a28','172800 4431'),
|
||||
('t1','t1a29','172800 4320'),
|
||||
('t1','t1a30','172800 4215'),
|
||||
('t1','t1a31','172800 4115'),
|
||||
('t1','t1a32','172800 4019'),
|
||||
('t1','t1a33','172800 6172'),
|
||||
('t1','t1a34','172800 5959'),
|
||||
('t1','t1a35','172800 5760'),
|
||||
('t1','t1a36','172800 5575'),
|
||||
('t1','t1a37','172800 5400'),
|
||||
('t1','t1a38','172800 5237'),
|
||||
('t1','t1a39','172800 5083'),
|
||||
('t1','t1a40','172800 4938'),
|
||||
('t1','t1a41','172800 4800'),
|
||||
('t1','t1a42','172800 4671'),
|
||||
('t1','t1a43','172800 4548'),
|
||||
('t1','t1a44','172800 4431'),
|
||||
('t1','t1a45','172800 4320'),
|
||||
('t1','t1a46','172800 4215'),
|
||||
('t1','t1a47','172800 4115'),
|
||||
('t1','t1a48','172800 4019'),
|
||||
('t1','t1a49','172800 6172'),
|
||||
('t1','t1a50','172800 5959'),
|
||||
('t1','t1a51','172800 5760'),
|
||||
('t1','t1a52','172800 5575'),
|
||||
('t1','t1a53','172800 5400'),
|
||||
('t1','t1a54','172800 5237'),
|
||||
('t1','t1a55','172800 5083'),
|
||||
('t1','t1a56','172800 4938'),
|
||||
('t1','t1a57','172800 4800'),
|
||||
('t1','t1a58','172800 4671'),
|
||||
('t1','t1a59','172800 4548'),
|
||||
('t1','t1a60','172800 4431'),
|
||||
('t1','t1a61','172800 4320'),
|
||||
('t1','t1a62','172800 4215'),
|
||||
('t1','t1a63','172800 4115'),
|
||||
('x01','x01x','80 2'),
|
||||
('x02','x02x','120 2'),
|
||||
('x03','x03x','160 2'),
|
||||
('x04','x04x','20 2'),
|
||||
('x05','x05x','24 2'),
|
||||
('x06','x06x','32 2'),
|
||||
('x07','x07x','36 2'),
|
||||
('x08','x08x','40 2'),
|
||||
('x09','x09x','44 2'),
|
||||
('x10','x10x','48 2'),
|
||||
('x11','x11x','52 2'),
|
||||
('x12','x12x','56 2'),
|
||||
('x13','x13x','60 2'),
|
||||
('x14','x14x','64 2'),
|
||||
('x15','x15x','72 2'),
|
||||
('x16','x16x','80 2'),
|
||||
('x17','x17x','80 2'),
|
||||
('x18','x18x','120 2'),
|
||||
('x19','x19x','160 2'),
|
||||
('x20','x20x','20 2'),
|
||||
('x21','x21x','24 2'),
|
||||
('x22','x22x','32 2'),
|
||||
('x23','x23x','36 2'),
|
||||
('x24','x24x','40 2'),
|
||||
('x25','x25x','44 2'),
|
||||
('x26','x26x','48 2'),
|
||||
('x27','x27x','52 2'),
|
||||
('x28','x28x','56 2'),
|
||||
('x29','x29x','60 2'),
|
||||
('x30','x30x','64 2'),
|
||||
('x31','x31x','72 2'),
|
||||
('x32','x32x','80 2'),
|
||||
('x33','x33x','80 2'),
|
||||
('x34','x34x','120 2'),
|
||||
('x35','x35x','160 2'),
|
||||
('x36','x36x','20 2'),
|
||||
('x37','x37x','24 2'),
|
||||
('x38','x38x','32 2'),
|
||||
('x39','x39x','36 2'),
|
||||
('x40','x40x','40 2'),
|
||||
('x41','x41x','44 2'),
|
||||
('x42','x42x','48 2'),
|
||||
('x43','x43x','52 2'),
|
||||
('x44','x44x','56 2'),
|
||||
('x45','x45x','60 2'),
|
||||
('x46','x46x','64 2'),
|
||||
('x47','x47x','72 2'),
|
||||
('x48','x48x','80 2'),
|
||||
('x49','x49x','80 2'),
|
||||
('x50','x50x','120 2'),
|
||||
('x51','x51x','160 2'),
|
||||
('x52','x52x','20 2'),
|
||||
('x53','x53x','24 2'),
|
||||
('x54','x54x','32 2'),
|
||||
('x55','x55x','36 2'),
|
||||
('x56','x56x','40 2'),
|
||||
('x57','x57x','44 2'),
|
||||
('x58','x58x','48 2'),
|
||||
('x59','x59x','52 2'),
|
||||
('x60','x60x','56 2'),
|
||||
('x61','x61x','60 2'),
|
||||
('x62','x62x','64 2'),
|
||||
('x63','x63x','72 2');
|
||||
ANALYZE sqlite_schema;
|
||||
}
|
||||
do_execsql_test 1.2 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03
|
||||
FROM t1, x01, x02, x03
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03;
|
||||
} {/SCAN t1.*SEARCH.*SEARCH.*SEARCH/}
|
||||
do_execsql_test 1.3 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04
|
||||
FROM t1, x01, x02, x03, x04
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04;
|
||||
} {/SCAN .*SEARCH .*SEARCH .*SEARCH .*SEARCH /}
|
||||
do_execsql_test 1.4 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05
|
||||
FROM t1, x01, x02, x03, x04, x05
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05;
|
||||
} {/SCAN .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH/}
|
||||
do_execsql_test 1.5 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05, c06
|
||||
FROM t1, x01, x02, x03, x04, x05, x06
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05
|
||||
AND a06=b06;
|
||||
} {/SCAN .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH/}
|
||||
do_execsql_test 1.6 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05, c06, c07
|
||||
FROM t1, x01, x02, x03, x04, x05, x06, x07
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05
|
||||
AND a06=b06 AND a07=b07;
|
||||
} {/SCAN .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH .*SEARCH/}
|
||||
do_execsql_test 1.7 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05, c06, c07, c08
|
||||
FROM t1, x01, x02, x03, x04, x05, x06, x07, x08
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05
|
||||
AND a06=b06 AND a07=b07 AND a08=b08;
|
||||
} {~/SCAN.*SCAN/}
|
||||
do_execsql_test 1.8 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05, c06, c07, c08,
|
||||
c09, c10, c11, c12, c13, c14, c15, c16,
|
||||
c17, c18, c19, c20, c21, c22, c23, c24,
|
||||
c25, c26, c27, c28, c29, c30, c31, c32
|
||||
FROM t1, x01, x02, x03, x04, x05, x06, x07, x08,
|
||||
x09, x10, x11, x12, x13, x14, x15, x16,
|
||||
x17, x18, x19, x20, x21, x22, x23, x24,
|
||||
x25, x26, x27, x28, x29, x30, x31, x32
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05 AND a06=b06
|
||||
AND a07=b07 AND a08=b08 AND a09=b09 AND a10=b10 AND a11=b11 AND a12=b12
|
||||
AND a13=b13 AND a14=b14 AND a15=b15 AND a16=b16 AND a17=b17 AND a18=b18
|
||||
AND a19=b19 AND a20=b20 AND a21=b21 AND a22=b22 AND a23=b23 AND a24=b24
|
||||
AND a25=b25 AND a26=b26 AND a27=b27 AND a28=b29 AND a29=b29 AND a30=b30
|
||||
AND a31=b31 AND a32=b32;
|
||||
} {~/SCAN.*SCAN.*SCAN/}
|
||||
do_execsql_test 1.9 {
|
||||
EXPLAIN QUERY PLAN
|
||||
SELECT c01, c02, c03, c04, c05, c06, c07, c08,
|
||||
c09, c10, c11, c12, c13, c14, c15, c16,
|
||||
c17, c18, c19, c20, c21, c22, c23, c24,
|
||||
c25, c26, c27, c28, c29, c30, c31, c32,
|
||||
c33, c34, c35, c36, c37, c38, c39, c40,
|
||||
c41, c42, c43, c44, c45, c46, c47, c48,
|
||||
c49, c50, c51, c52, c53, c54, c55, c56,
|
||||
c57, c58, c59, c60, c61, c62, c63
|
||||
FROM t1, x01, x02, x03, x04, x05, x06, x07, x08,
|
||||
x09, x10, x11, x12, x13, x14, x15, x16,
|
||||
x17, x18, x19, x20, x21, x22, x23, x24,
|
||||
x25, x26, x27, x28, x29, x30, x31, x32,
|
||||
x33, x34, x35, x36, x37, x38, x39, x40,
|
||||
x41, x42, x43, x44, x45, x46, x47, x48,
|
||||
x49, x50, x51, x52, x53, x54, x55, x56,
|
||||
x57, x58, x59, x60, x61, x62, x63
|
||||
WHERE a01=b01 AND a02=b02 AND a03=b03 AND a04=b04 AND a05=b05 AND a06=b06
|
||||
AND a07=b07 AND a08=b08 AND a09=b09 AND a10=b10 AND a11=b11 AND a12=b12
|
||||
AND a13=b13 AND a14=b14 AND a15=b15 AND a16=b16 AND a17=b17 AND a18=b18
|
||||
AND a19=b19 AND a20=b20 AND a21=b21 AND a22=b22 AND a23=b23 AND a24=b24
|
||||
AND a25=b25 AND a26=b26 AND a27=b27 AND a28=b29 AND a29=b29 AND a30=b30
|
||||
AND a31=b31 AND a32=b32 AND a33=b33 AND a34=b34 AND a35=b35 AND a36=b36
|
||||
AND a37=b37 AND a38=b38 AND a39=b39 AND a40=b40 AND a41=b41 AND a42=b42
|
||||
AND a43=b43 AND a44=b44 AND a45=b45 AND a46=b46 AND a47=b47 AND a48=b48
|
||||
AND a49=b49 AND a50=b50 AND a51=b51 AND a52=b52 AND a53=b53 AND a54=b54
|
||||
AND a55=b55 AND a56=b56 AND a57=b57 AND a58=b58 AND a59=b59 AND a60=b60
|
||||
AND a61=b61 AND a62=b62 AND a63=b63;
|
||||
} {~/SCAN.*SCAN.*SCAN/}
|
||||
|
||||
|
||||
|
||||
finish_test
|
||||
Loading…
Reference in New Issue
Block a user