diff options
| -rw-r--r-- | manifest | 27 | ||||
| -rw-r--r-- | manifest.uuid | 2 | ||||
| -rw-r--r-- | src/delete.c | 2 | ||||
| -rw-r--r-- | src/expr.c | 64 | ||||
| -rw-r--r-- | src/parse.y | 20 | ||||
| -rw-r--r-- | src/select.c | 18 | ||||
| -rw-r--r-- | src/sqliteInt.h | 10 | ||||
| -rw-r--r-- | test/collate8.test | 34 | ||||
| -rw-r--r-- | test/select6.test | 56 |
9 files changed, 193 insertions, 40 deletions
@@ -1,5 +1,5 @@ -C Fix\sWITHOUT\sROWID\stable\shanding\sin\ssqlite3_analyzer. -D 2015-02-09T17:46:11.315 +C Propagate\sCOLLATE\soperators\supward\sthrough\sfunction\scalls\sand\sCASE\soperations.\nAnd\sdo\snot\sflatten\san\saggregate\ssubquery\sinto\sa\squery\sthat\suses\sother\nsubqueries.\s\sFixes\sfor\stickets\s[ca0d20b6cdddec5]\sand\n[2f7170d73bf9],\srespectively. +D 2015-02-09T18:28:03.590 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.in 6b9e7677829aa94b9f30949656e27312aefb9a46 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 @@ -181,8 +181,8 @@ F src/callback.c 7b44ce59674338ad48b0e84e7b72f935ea4f68b0 F src/complete.c 198a0066ba60ab06fc00fba1998d870a4d575463 F src/ctime.c 98f89724adc891a1a4c655bee04e33e716e05887 F src/date.c e4d50b3283696836ec1036b695ead9a19e37a5ac -F src/delete.c bd1a91ddd247ce13004075251e0b7fe2bf9925ef -F src/expr.c d66424535d3155eca7f2d8820d26b96870dfcb2d +F src/delete.c 37964e6c1d73ff49cbea9ff690c9605fb15f600e +F src/expr.c 3ef111b88ae2941b84b6b6ea4be8d501ba1af0cb F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb F src/fkey.c e0444b61bed271a76840cbe6182df93a9baa3f12 F src/func.c 6d3c4ebd72aa7923ce9b110a7dc15f9b8c548430 @@ -219,7 +219,7 @@ F src/os_win.c 8223e7db5b7c4a81d8b161098ac3959400434cdb F src/os_win.h eb7a47aa17b26b77eb97e4823f20a00b8bda12ca F src/pager.c 4120a49ecd37697e28f5ed807f470b9c0b88410c F src/pager.h c3476e7c89cdf1c6914e50a11f3714e30b4e0a77 -F src/parse.y c5d0d964f9ac023e8154cad512e54b0b6058e086 +F src/parse.y 0f8e7d60f0ab3cb53d270adef69259ac307d83a8 F src/pcache.c d210cf90d04365a74f85d21374dded65af67b0cb F src/pcache.h b44658c9c932d203510279439d891a2a83e12ba8 F src/pcache1.c 1e77432b40b7d3288327d9cdf399dcdfd2b6d3bf @@ -230,12 +230,12 @@ F src/printf.c 05edc41450d0eb2c05ef7db113bf32742ae65325 F src/random.c ba2679f80ec82c4190062d756f22d0c358180696 F src/resolve.c f4d79e31ffa5820c2e3d1740baa5e9b190425f2b F src/rowset.c eccf6af6d620aaa4579bd3b72c1b6395d9e9fa1e -F src/select.c edcf8ba8163526f2340f10f19b0a71547c6f97ba +F src/select.c e46cef4c224549b439384c88fc7f57ba064dad54 F src/shell.c 82c25508dac802b32198af6f5256ca1597c6a1af F src/sqlite.h.in 54678c21401909f72b221344dd560d285a1ba5eb F src/sqlite3.rc 992c9f5fb8285ae285d6be28240a7e8d3a7f2bad F src/sqlite3ext.h 17d487c3c91b0b8c584a32fbeb393f6f795eea7d -F src/sqliteInt.h 436c02d0877b9b9a1c3351717c2c93bd248000e9 +F src/sqliteInt.h 57a405ae6d2ed10fff52de376d18f21e04d96609 F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d F src/status.c 81712116e826b0089bb221b018929536b2b5406f F src/table.c e7a09215315a978057fb42c640f890160dbcc45e @@ -403,7 +403,7 @@ F test/collate4.test f04d5168685f2eef637ecfa2d4ddf8ec0d600177 F test/collate5.test 65d928034d30d2d263a80f6359f7549ee1598ec6 F test/collate6.test 8be65a182abaac8011a622131486dafb8076e907 F test/collate7.test 8ec29d98f3ee4ccebce6e16ce3863fb6b8c7b868 -F test/collate8.test df26649cfcbddf109c04122b340301616d3a88f6 +F test/collate8.test cd9b3d3f999b8520ffaa7cc1647061fc5bab1334 F test/collate9.test 3adcc799229545940df2f25308dd1ad65869145a F test/collateA.test b8218ab90d1fa5c59dcf156efabb1b2599c580d6 F test/colmeta.test 2c765ea61ee37bc43bbe6d6047f89004e6508eb1 @@ -834,7 +834,7 @@ F test/select2.test 352480e0e9c66eda9c3044e412abdf5be0215b56 F test/select3.test 2ce595f8fb8e2ac10071d3b4e424cadd4634a054 F test/select4.test 8c5a60d439e2df824aed56223566877a883c5c84 F test/select5.test e758b8ef94f69b111df4cb819008856655dcd535 -F test/select6.test e76bd10a56988f15726c097a5d5a7966fe82d3b2 +F test/select6.test 39eac4a5c03650b2b473c532882273283ee8b7a0 F test/select7.test 7fd2ef598cfabb6b9ff6ac13973b91d0527df49d F test/select8.test 391de11bdd52339c30580dabbbbe97e3e9a3c79d F test/select9.test aebc2bb0c3bc44606125033cbcaac2c8d1f33a95 @@ -1239,7 +1239,8 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f -P 4ef7ceced2b0000d21f7f8014384c04a0e4661d3 -R 3dfd2d57b7936b7d1030a6a9083d3a68 -U dan -Z 936b36142dcc1fcccff0b983a2ef7c1f +P 937e0fe7008c0f76b6a584180df9a9457166a0b1 dd8f7f7511639a1baa41a6ff2e359dc6f1e66943 +R eaedb0adeed807300663dae355946d49 +T +closed dd8f7f7511639a1baa41a6ff2e359dc6f1e66943 +U drh +Z 20be3d681a1333c92b781a8eb61382fe diff --git a/manifest.uuid b/manifest.uuid index dd3e606fa..1b38cd06b 100644 --- a/manifest.uuid +++ b/manifest.uuid @@ -1 +1 @@ -937e0fe7008c0f76b6a584180df9a9457166a0b1
\ No newline at end of file +24e78b8d65734a6a8ae21a20542cd1839e756fb1
\ No newline at end of file diff --git a/src/delete.c b/src/delete.c index 011fb80de..ef6aace1c 100644 --- a/src/delete.c +++ b/src/delete.c @@ -189,7 +189,7 @@ Expr *sqlite3LimitWhere( pInClause->x.pSelect = pSelect; pInClause->flags |= EP_xIsSelect; - sqlite3ExprSetHeight(pParse, pInClause); + sqlite3ExprSetHeightAndFlags(pParse, pInClause); return pInClause; /* something went wrong. clean up anything allocated. */ diff --git a/src/expr.c b/src/expr.c index 2f0fe4a58..5457a9c06 100644 --- a/src/expr.c +++ b/src/expr.c @@ -146,10 +146,25 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ break; } if( p->flags & EP_Collate ){ - if( ALWAYS(p->pLeft) && (p->pLeft->flags & EP_Collate)!=0 ){ + if( p->pLeft && (p->pLeft->flags & EP_Collate)!=0 ){ p = p->pLeft; }else{ - p = p->pRight; + Expr *pNext = p->pRight; + /* The Expr.x union is never used at the same time as Expr.pRight */ + assert( p->x.pList==0 || p->pRight==0 ); + /* p->flags holds EP_Collate and p->pLeft->flags does not. And + ** p->x.pSelect cannot. So if p->x.pLeft exists, it must hold at + ** least one EP_Collate. Thus the following two ALWAYS. */ + if( p->x.pList!=0 && ALWAYS(!ExprHasProperty(p, EP_xIsSelect)) ){ + int i; + for(i=0; ALWAYS(i<p->x.pList->nExpr); i++){ + if( ExprHasProperty(p->x.pList->a[i].pExpr, EP_Collate) ){ + pNext = p->x.pList->a[i].pExpr; + break; + } + } + } + p = pNext; } }else{ break; @@ -355,6 +370,9 @@ static void heightOfSelect(Select *p, int *pnHeight){ ** Expr.pSelect member has a height of 1. Any other expression ** has a height equal to the maximum height of any other ** referenced Expr plus one. +** +** Also propagate EP_Propagate flags up from Expr.x.pList to Expr.flags, +** if appropriate. */ static void exprSetHeight(Expr *p){ int nHeight = 0; @@ -362,8 +380,9 @@ static void exprSetHeight(Expr *p){ heightOfExpr(p->pRight, &nHeight); if( ExprHasProperty(p, EP_xIsSelect) ){ heightOfSelect(p->x.pSelect, &nHeight); - }else{ + }else if( p->x.pList ){ heightOfExprList(p->x.pList, &nHeight); + p->flags |= EP_Propagate & sqlite3ExprListFlags(p->x.pList); } p->nHeight = nHeight + 1; } @@ -372,8 +391,11 @@ static void exprSetHeight(Expr *p){ ** Set the Expr.nHeight variable using the exprSetHeight() function. If ** the height is greater than the maximum allowed expression depth, ** leave an error in pParse. +** +** Also propagate all EP_Propagate flags from the Expr.x.pList into +** Expr.flags. */ -void sqlite3ExprSetHeight(Parse *pParse, Expr *p){ +void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ exprSetHeight(p); sqlite3ExprCheckHeight(pParse, p->nHeight); } @@ -387,8 +409,17 @@ int sqlite3SelectExprHeight(Select *p){ heightOfSelect(p, &nHeight); return nHeight; } -#else - #define exprSetHeight(y) +#else /* ABOVE: Height enforcement enabled. BELOW: Height enforcement off */ +/* +** Propagate all EP_Propagate flags from the Expr.x.pList into +** Expr.flags. +*/ +void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ + if( p && p->x.pList && !ExprHasProperty(p, EP_xIsSelect) ){ + p->flags |= EP_Propagate & sqlite3ExprListFlags(p->x.pList); + } +} +#define exprSetHeight(y) #endif /* SQLITE_MAX_EXPR_DEPTH>0 */ /* @@ -490,11 +521,11 @@ void sqlite3ExprAttachSubtrees( }else{ if( pRight ){ pRoot->pRight = pRight; - pRoot->flags |= EP_Collate & pRight->flags; + pRoot->flags |= EP_Propagate & pRight->flags; } if( pLeft ){ pRoot->pLeft = pLeft; - pRoot->flags |= EP_Collate & pLeft->flags; + pRoot->flags |= EP_Propagate & pLeft->flags; } exprSetHeight(pRoot); } @@ -594,7 +625,7 @@ Expr *sqlite3ExprFunction(Parse *pParse, ExprList *pList, Token *pToken){ } pNew->x.pList = pList; assert( !ExprHasProperty(pNew, EP_xIsSelect) ); - sqlite3ExprSetHeight(pParse, pNew); + sqlite3ExprSetHeightAndFlags(pParse, pNew); return pNew; } @@ -1210,6 +1241,21 @@ void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){ } /* +** Return the bitwise-OR of all Expr.flags fields in the given +** ExprList. +*/ +u32 sqlite3ExprListFlags(const ExprList *pList){ + int i; + u32 m = 0; + if( pList ){ + for(i=0; i<pList->nExpr; i++){ + m |= pList->a[i].pExpr->flags; + } + } + return m; +} + +/* ** These routines are Walker callbacks used to check expressions to ** see if they are "constant" for some definition of constant. The ** Walker.eCode value determines the type of "constant" we are looking diff --git a/src/parse.y b/src/parse.y index 544888a22..78e79cd36 100644 --- a/src/parse.y +++ b/src/parse.y @@ -1078,7 +1078,7 @@ expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0); if( A.pExpr ){ A.pExpr->x.pList = Y; - sqlite3ExprSetHeight(pParse, A.pExpr); + sqlite3ExprSetHeightAndFlags(pParse, A.pExpr); }else{ sqlite3ExprListDelete(pParse->db, Y); } @@ -1091,8 +1091,8 @@ expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { A.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0, 0); if( A.pExpr ){ A.pExpr->x.pSelect = X; - ExprSetProperty(A.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, A.pExpr); + ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery); + sqlite3ExprSetHeightAndFlags(pParse, A.pExpr); }else{ sqlite3SelectDelete(pParse->db, X); } @@ -1103,8 +1103,8 @@ expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0); if( A.pExpr ){ A.pExpr->x.pSelect = Y; - ExprSetProperty(A.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, A.pExpr); + ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery); + sqlite3ExprSetHeightAndFlags(pParse, A.pExpr); }else{ sqlite3SelectDelete(pParse->db, Y); } @@ -1117,8 +1117,8 @@ expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0); if( A.pExpr ){ A.pExpr->x.pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0); - ExprSetProperty(A.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, A.pExpr); + ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery); + sqlite3ExprSetHeightAndFlags(pParse, A.pExpr); }else{ sqlite3SrcListDelete(pParse->db, pSrc); } @@ -1130,8 +1130,8 @@ expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { Expr *p = A.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0, 0); if( p ){ p->x.pSelect = Y; - ExprSetProperty(p, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, p); + ExprSetProperty(p, EP_xIsSelect|EP_Subquery); + sqlite3ExprSetHeightAndFlags(pParse, p); }else{ sqlite3SelectDelete(pParse->db, Y); } @@ -1145,7 +1145,7 @@ expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). { A.pExpr = sqlite3PExpr(pParse, TK_CASE, X, 0, 0); if( A.pExpr ){ A.pExpr->x.pList = Z ? sqlite3ExprListAppend(pParse,Y,Z) : Y; - sqlite3ExprSetHeight(pParse, A.pExpr); + sqlite3ExprSetHeightAndFlags(pParse, A.pExpr); }else{ sqlite3ExprListDelete(pParse->db, Y); sqlite3ExprDelete(pParse->db, Z); diff --git a/src/select.c b/src/select.c index 058bf3d57..91b3d4345 100644 --- a/src/select.c +++ b/src/select.c @@ -3194,7 +3194,10 @@ static void substSelect( ** ** (1) The subquery and the outer query do not both use aggregates. ** -** (2) The subquery is not an aggregate or the outer query is not a join. +** (2) The subquery is not an aggregate or (2a) the outer query is not a join +** and (2b) the outer query does not use subqueries other than the one +** FROM-clause subquery that is a candidate for flattening. (2b is +** due to ticket [2f7170d73bf9abf80] from 2015-02-09.) ** ** (3) The subquery is not the right operand of a left outer join ** (Originally ticket #306. Strengthened by ticket #3300) @@ -3331,8 +3334,17 @@ static int flattenSubquery( iParent = pSubitem->iCursor; pSub = pSubitem->pSelect; assert( pSub!=0 ); - if( isAgg && subqueryIsAgg ) return 0; /* Restriction (1) */ - if( subqueryIsAgg && pSrc->nSrc>1 ) return 0; /* Restriction (2) */ + if( subqueryIsAgg ){ + if( isAgg ) return 0; /* Restriction (1) */ + if( pSrc->nSrc>1 ) return 0; /* Restriction (2a) */ + if( (p->pWhere && ExprHasProperty(p->pWhere,EP_Subquery)) + || (sqlite3ExprListFlags(p->pEList) & EP_Subquery)!=0 + || (sqlite3ExprListFlags(p->pOrderBy) & EP_Subquery)!=0 + ){ + return 0; /* Restriction (2b) */ + } + } + pSubSrc = pSub->pSrc; assert( pSubSrc ); /* Prior to version 3.1.2, when LIMIT and OFFSET had to be simple constants, diff --git a/src/sqliteInt.h b/src/sqliteInt.h index f5892db4b..3f9a3a7cc 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -2046,6 +2046,12 @@ struct Expr { #define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x080000 /* Node is a SQLITE_FUNC_CONSTANT function */ #define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ +#define EP_Subquery 0x200000 /* Tree contains a TK_SELECT operator */ + +/* +** Combinations of two or more EP_* flags +*/ +#define EP_Propagate (EP_Collate|EP_Subquery) /* Propagate these bits up tree */ /* ** These macros can be used to test, set, or clear bits in the @@ -3153,6 +3159,7 @@ ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*); void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int); void sqlite3ExprListSetSpan(Parse*,ExprList*,ExprSpan*); void sqlite3ExprListDelete(sqlite3*, ExprList*); +u32 sqlite3ExprListFlags(const ExprList*); int sqlite3Init(sqlite3*, char**); int sqlite3InitCallback(void*, int, char**, char**); void sqlite3Pragma(Parse*,Token*,Token*,Token*,int); @@ -3736,12 +3743,11 @@ void sqlite3MemJournalOpen(sqlite3_file *); int sqlite3MemJournalSize(void); int sqlite3IsMemJournal(sqlite3_file *); +void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p); #if SQLITE_MAX_EXPR_DEPTH>0 - void sqlite3ExprSetHeight(Parse *pParse, Expr *p); int sqlite3SelectExprHeight(Select *); int sqlite3ExprCheckHeight(Parse*, int); #else - #define sqlite3ExprSetHeight(x,y) #define sqlite3SelectExprHeight(x) 0 #define sqlite3ExprCheckHeight(x,y) #endif diff --git a/test/collate8.test b/test/collate8.test index 60a89162d..b06c87d2f 100644 --- a/test/collate8.test +++ b/test/collate8.test @@ -13,7 +13,9 @@ # focus of this script is making sure collations pass through the # unary + operator. # -# $Id: collate8.test,v 1.2 2008/08/25 12:14:09 drh Exp $ +# 2015-02-09: Added tests to make sure COLLATE passes through function +# calls. Ticket [ca0d20b6cdddec5e81b8d66f89c46a5583b5f6f6]. +# set testdir [file dirname $argv0] source $testdir/tester.tcl @@ -122,4 +124,34 @@ do_test collate8-2.8 { } } {abc} +# Make sure the COLLATE operator perculates up through function calls +# and other Expr structures that use the Expr.x.pList field. +# +do_execsql_test collate8-3.1 { + SELECT 'abc'==('ABC'||'') COLLATE nocase; + SELECT 'abc'==('ABC'||'' COLLATE nocase); + SELECT 'abc'==('ABC'||('' COLLATE nocase)); + SELECT 'abc'==('ABC'||upper('' COLLATE nocase)); +} {1 1 1 1} +do_execsql_test collate8-3.2 { + SELECT 'abc'==('ABC'||max('' COLLATE nocase,'' COLLATE binary)); +} {1} + +# The COLLATE binary is on the left and so takes precedence +do_execsql_test collate8-3.3 { + SELECT 'abc'==('ABC'||max('' COLLATE binary,'' COLLATE nocase)); +} {0} + +do_execsql_test collate8-3.4 { + SELECT 'abc'==('ABC'||CASE WHEN 1-1=2 THEN '' COLLATE nocase + ELSE '' COLLATE binary END); + SELECT 'abc'==('ABC'||CASE WHEN 1+1=2 THEN '' COLLATE nocase + ELSE '' COLLATE binary END); +} {1 1} +do_execsql_test collate8-3.5 { + SELECT 'abc'==('ABC'||CASE WHEN 1=2 THEN '' COLLATE binary + ELSE '' COLLATE nocase END); +} {0} + + finish_test diff --git a/test/select6.test b/test/select6.test index 64a8519d8..590512a6b 100644 --- a/test/select6.test +++ b/test/select6.test @@ -557,5 +557,61 @@ do_catchsql_test 10.8 { ) } $err +# 2015-02-09 Ticket [2f7170d73bf9abf80339187aa3677dce3dbcd5ca] +# "misuse of aggregate" error if aggregate column from FROM +# subquery is used in correlated subquery +# +do_execsql_test 11.1 { + DROP TABLE IF EXISTS t1; + CREATE TABLE t1(w INT, x INT); + INSERT INTO t1(w,x) + VALUES(1,10),(2,20),(3,30), + (2,21),(3,31), + (3,32); + CREATE INDEX t1wx ON t1(w,x); + + DROP TABLE IF EXISTS t2; + CREATE TABLE t2(w INT, y VARCHAR(8)); + INSERT INTO t2(w,y) VALUES(1,'one'),(2,'two'),(3,'three'),(4,'four'); + CREATE INDEX t2wy ON t2(w,y); + + SELECT cnt, xyz, (SELECT y FROM t2 WHERE w=cnt), '|' + FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2) + ORDER BY cnt, xyz; +} {1 1 one | 2 2 two | 3 3 three |} +do_execsql_test 11.2 { + SELECT cnt, xyz, lower((SELECT y FROM t2 WHERE w=cnt)), '|' + FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2) + ORDER BY cnt, xyz; +} {1 1 one | 2 2 two | 3 3 three |} +do_execsql_test 11.3 { + SELECT cnt, xyz, '|' + FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2) + WHERE (SELECT y FROM t2 WHERE w=cnt)!='two' + ORDER BY cnt, xyz; +} {1 1 | 3 3 |} +do_execsql_test 11.4 { + SELECT cnt, xyz, '|' + FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2) + ORDER BY lower((SELECT y FROM t2 WHERE w=cnt)); +} {1 1 | 3 3 | 2 2 |} +do_execsql_test 11.5 { + SELECT cnt, xyz, + CASE WHEN (SELECT y FROM t2 WHERE w=cnt)=='two' + THEN 'aaa' ELSE 'bbb' + END, '|' + FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2) + ORDER BY +cnt; +} {1 1 bbb | 2 2 aaa | 3 3 bbb |} + +do_execsql_test 11.100 { + DROP TABLE t1; + DROP TABLE t2; + CREATE TABLE t1(x); + CREATE TABLE t2(y, z); + SELECT ( SELECT y FROM t2 WHERE z = cnt ) + FROM ( SELECT count(*) AS cnt FROM t1 ); +} {{}} + finish_test |