Fix a crash in handling queries of the form "SELECT aggregate(DISTINCT tbl.col) FROM ... LEFT JOIN tbl ...". Fixes a problem introduced by [ef4ac0ddd297bbd3].
FossilOrigin-Name: 0dcf808ddf23da834da724d88b1715ed06565f1f1290713ff42a3fcf6ffb802e
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@ -1,5 +1,5 @@
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C Correctly\scapture\sthe\serror\swhen\sa\sRETURNING\sclause\sappears\son\san\s\nattempt\sto\sUPDATE\san\seponymous\svirtual\stable.\ndbsqlfuzz\s486f791cbe2dc45839310073e71367a1d8ad22dd.
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D 2021-04-02T20:43:26.666
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C Fix\sa\scrash\sin\shandling\squeries\sof\sthe\sform\s"SELECT\saggregate(DISTINCT\stbl.col)\sFROM\s...\sLEFT\sJOIN\stbl\s...".\sFixes\sa\sproblem\sintroduced\sby\s[ef4ac0ddd297bbd3].
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D 2021-04-03T19:23:59.990
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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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@ -542,12 +542,12 @@ F src/printf.c 78fabb49b9ac9a12dd1c89d744abdc9b67fd3205e62967e158f78b965a29ec4b
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F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
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F src/resolve.c fc136d935f19966747663bed605ad7f06f84f9fe7bf7bf79e9bf844ef5c7556d
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F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
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F src/select.c 2d7a1f3d9f5970962b407cb4b38416fedc1a3b55efd010b40af375088653b6ce
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F src/select.c 06df4a2a94df253b580d38b32573f4b6462fbe39abc31101c9a9fa95215c8479
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F src/shell.c.in dcce260883836c9b58847505fbccce8d5546af925046f7dacd9443e922ece036
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F src/sqlite.h.in 18ec33e32001721fd4e9c4705a24a85dff04956ac2c0a21775058884ba845b09
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F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
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F src/sqlite3ext.h 61b38c073d5e1e96a3d45271b257aef27d0d13da2bea5347692ae579475cd95e
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F src/sqliteInt.h c5cfae5891a6e643116f66f63769bcffeba89ca51f6278732da710eb0cf092b6
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F src/sqliteInt.h b6331a513c31ea39bf625ee7b7829aa674d8850df58d562689763cd408619f0e
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F src/sqliteLimit.h d7323ffea5208c6af2734574bae933ca8ed2ab728083caa117c9738581a31657
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F src/status.c 4b8bc2a6905163a38b739854a35b826c737333fab5b1f8e03fa7eb9a4799c4c1
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F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
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@ -629,7 +629,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
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F src/wal.c 69e770e96fd56cc21608992bf2c6f1f3dc5cf2572d0495c6a643b06c3a679f14
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F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
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F src/walker.c d42d6c80ea363ef689a462e65eefcfe87deab924c50de5baa37ecb6af7d7ddaa
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F src/where.c 07d1232df6fc4705815b0ef5182fe3e56bdba6ac09ce52bd66ecb207626aac2b
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F src/where.c f81b47aeed660808c315290aec02fefe21ffce55e988c603254a2c81d20a0eb5
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F src/whereInt.h 446e5e8018f83358ef917cf32d8e6a86dc8430113d0b17e720f1839d3faa44c4
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F src/wherecode.c c7354c9749f015f37bc32e15a4257a5155fa5d2b79f605f528bd09f3b9f1b4e6
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F src/whereexpr.c 4ba94b8ebbff97c658b212de6ccdb6d3a41847800bdf99e7a2a967c250269f2c
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@ -845,7 +845,7 @@ F test/descidx3.test 953c831df7ea219c73826dfbf2f6ee02d95040725aa88ccb4fa43d1a199
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F test/diskfull.test 106391384780753ea6896b7b4f005d10e9866b6e
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F test/distinct.test eefe5a8e47fcb761aaa745838e355ab28586f9f75786a1c098016881344b2a5e
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F test/distinct2.test cd1d15a4a2abf579298f7161e821ed50c0119136fe0424db85c52cf0adc230d1
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F test/distinctagg.test fd74c3783700f1d99c67a5d906bba97fb6650f4559f3ea7b1873f793ffc601c9
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F test/distinctagg.test 2ff06cbc65cbc25fff8c9b00004da3aa3431b7001601bdfc7d4eb700ece1c4d0
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F test/e_blobbytes.test 439a945953b35cb6948a552edaec4dc31fd70a05
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F test/e_blobclose.test 4b3c8c60c2171164d472059c73e9f3c1844bb66d
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F test/e_blobopen.test e95e1d40f995056f6f322cd5e1a1b83a27e1a145
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@ -1912,7 +1912,7 @@ 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 e16da5af822ef31d7e05992403cf9787fbb3d9abb0b5283aba55ea07e1830a72
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R 31cf23d11c71c31febdef8457989c710
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U drh
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Z bb6d981e49a44d67794ddc6bc2f09d25
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P 778a9a6e6f8d960fd55ac9be7eea20b1875a46192db85e63dddc61b632b30173
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R 8e7491f95f5def69f8f53350692c8afa
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U dan
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Z 2396774cc48a628f8ba66378b6a8f6cc
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@ -1 +1 @@
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778a9a6e6f8d960fd55ac9be7eea20b1875a46192db85e63dddc61b632b30173
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0dcf808ddf23da834da724d88b1715ed06565f1f1290713ff42a3fcf6ffb802e
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@ -6856,7 +6856,7 @@ int sqlite3Select(
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pExpr = sqlite3ExprDup(db, pExpr, 0);
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pDistinct = sqlite3ExprListDup(db, pGroupBy, 0);
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pDistinct = sqlite3ExprListAppend(pParse, pDistinct, pExpr);
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distFlag = pDistinct ? WHERE_WANT_DISTINCT : 0;
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distFlag = pDistinct ? (WHERE_WANT_DISTINCT|WHERE_AGG_DISTINCT) : 0;
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}
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/* If there is a GROUP BY clause we might need a sorting index to
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@ -7169,7 +7169,7 @@ int sqlite3Select(
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}
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}else if( pAggInfo->nFunc==1 && pAggInfo->aFunc[0].iDistinct>=0 ){
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pDistinct = pAggInfo->aFunc[0].pFExpr->x.pList;
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distFlag = pDistinct ? WHERE_WANT_DISTINCT : 0;
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distFlag = pDistinct ? (WHERE_WANT_DISTINCT|WHERE_AGG_DISTINCT) : 0;
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}
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/* This case runs if the aggregate has no GROUP BY clause. The
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@ -3019,7 +3019,7 @@ struct SrcList {
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#define WHERE_DISTINCTBY 0x0080 /* pOrderby is really a DISTINCT clause */
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#define WHERE_WANT_DISTINCT 0x0100 /* All output needs to be distinct */
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#define WHERE_SORTBYGROUP 0x0200 /* Support sqlite3WhereIsSorted() */
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/* 0x0400 not currently used */
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#define WHERE_AGG_DISTINCT 0x0400 /* Query is "SELECT agg(DISTINCT ...)" */
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#define WHERE_ORDERBY_LIMIT 0x0800 /* ORDERBY+LIMIT on the inner loop */
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/* 0x1000 not currently used */
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/* 0x2000 not currently used */
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@ -5025,9 +5025,7 @@ WhereInfo *sqlite3WhereBegin(
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/* Attempt to omit tables from the join that do not affect the result.
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** For a table to not affect the result, the following must be true:
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**
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** 1) The query must not be an aggregate. Or it must be an aggregate
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** that contains only one aggregate function with the DISTINCT
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** qualifier. e.g. "SELECT count(DISTINCT ...) FROM".
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** 1) The query must not be an aggregate.
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** 2) The table must be the RHS of a LEFT JOIN.
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** 3) Either the query must be DISTINCT, or else the ON or USING clause
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** must contain a constraint that limits the scan of the table to
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@ -5055,7 +5053,8 @@ WhereInfo *sqlite3WhereBegin(
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*/
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notReady = ~(Bitmask)0;
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if( pWInfo->nLevel>=2
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&& pResultSet!=0 /* guarantees condition (1) above */
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&& pResultSet!=0 /* these two combine to guarantee */
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&& 0==(wctrlFlags & WHERE_AGG_DISTINCT) /* condition (1) above */
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&& OptimizationEnabled(db, SQLITE_OmitNoopJoin)
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){
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int i;
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@ -174,10 +174,15 @@ foreach {tn use_t3 sql res} {
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1 1 "SELECT count(*) FROM t3" 2
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2 0 "SELECT count(*) FROM t1" 10
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2 1 "SELECT count(DISTINCT a) FROM t1, t3" 4
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3 0 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3" 4
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3 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3" 4
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4 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 WHERE t3.x=1" 4
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5 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 WHERE t3.x=0" 0
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6 0 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 ON (t3.x=0)" 4
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6 1 "SELECT count(DISTINCT a) FROM t1 LEFT JOIN t3 ON (t3.x=0)" 4
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7 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3" 2
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8 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 WHERE t3.x=1" 1
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9 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 WHERE t3.x=0" 0
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10 1 "SELECT count(DISTINCT x) FROM t1 LEFT JOIN t3 ON (t3.x=0)" 0
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} {
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do_test 5.$tn.1 {
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set bUse 0
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@ -190,5 +195,18 @@ foreach {tn use_t3 sql res} {
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do_execsql_test 5.$tn.2 $sql $res
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}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 6.0 {
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CREATE TABLE t1(a, b);
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CREATE TABLE t2(c, d);
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INSERT INTO t1 VALUES(123,456);
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INSERT INTO t2 VALUES(123,456);
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}
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do_execsql_test 6.1 {
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SELECT count(DISTINCT c) FROM t1 LEFT JOIN t2;
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} {1}
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finish_test
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