-C Use\sthe\sOP_Sequence\sopcode\sfor\sgenerating\sunique\srowid\svalues\sfor\san\nautoindex\son\sa\sco-routine\simplementation\sof\sa\ssubquery.
-D 2019-06-28T07:08:13.998
+C Experimental\simplementation\sof\sFILTER\sclause\sfor\saggregate\sfunctions.
+D 2019-07-02T11:56:47.637
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
F src/dbpage.c 135eb3b5e74f9ef74bde5cec2571192c90c86984fa534c88bf4a055076fa19b7
F src/dbstat.c c12833de69cb655751487d2c5a59607e36be1c58ba1f4bd536609909ad47b319
F src/delete.c d08c9e01a2664afd12edcfa3a9c6578517e8ff8735f35509582693adbe0edeaf
-F src/expr.c 2756d2875ac5b7a7efcc54edea3c8a31f4126684ded18da6fb406f4d3780a5f5
+F src/expr.c 33267aaf04145af9f1f06c1f4c10f8e7a9acce1c681d75526e6a3fa7e58c1d79
F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
F src/fkey.c 0e14d4bef8eac2d87bbd517e492d9084c65008d117823f8922c5e7b2b599bd33
F src/func.c 905c0424900979fade3731b4a271592059425c988cb7d5b245032253712dd7c8
F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
F src/pager.c 422fd8cfa59fb9173eff36a95878904a0eeb0dcc62ba49350acc8b1e51c4dc7b
F src/pager.h 217921e81eb5fe455caa5cda96061959706bcdd29ddb57166198645ef7822ac3
-F src/parse.y 026e3e6fff32432166a4eae0bdb78ad09a53c84eb49acb44dc32e49b4c0b8a48
+F src/parse.y 2902f393b08e33f4af42e2b63f943be62f5de096138461459de60084f598a056
F src/pcache.c fd2d0553b3222d6b9f7cb251079e5bca1299d1161da3027b525932d8bf46340a
F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
F src/pcache1.c be64b2f3908a7f97c56c963676eb12f0d6254c95b28cdc1d73a186eff213219d
F src/prepare.c 78027c6231fbb19ca186a5f5f0c0a1375d9c2cec0655273f9bd90d9ff74a34b3
F src/printf.c 9be6945837c839ba57837b4bc3af349eba630920fa5532aa518816defe42a7d4
F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
-F src/resolve.c 93b7bc7c45efa6322d92293361c51a873690daed50cf77eeff88a448246b0d5a
+F src/resolve.c 65514625b68e79a4087d218107d51d489477509d55543e1be375d1e58f27c2f3
F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
-F src/select.c 9187f2c65744e975b191ccee49946732ee922f8bf40da998b322aca1633405ea
+F src/select.c 1774cc457eb0b6cd757a350fd9f5600c4d13f3e899d6615033aecaa4f00a5e7d
F src/shell.c.in 82f8a473c01662f52233c6c75b9bf88d0d2cab276086d5d4ca6f2ff57a3e48eb
F src/sqlite.h.in bc4aa09a59dcf3c34b8e57ce9ade8ff6aed8ef7a7ddc59951f59f9b009fc7cc0
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
F src/sqlite3ext.h 9ecc93b8493bd20c0c07d52e2ac0ed8bab9b549c7f7955b59869597b650dd8b5
-F src/sqliteInt.h bf65dfa6565fae2e0d501088fc9c5212244adc1429a543827a16b2f5eaf41982
+F src/sqliteInt.h 13fa73fd67968a4e3c58c84fbd655770989a82e0902880b0446747cd6711ad74
F src/sqliteLimit.h 1513bfb7b20378aa0041e7022d04acb73525de35b80b252f1b83fedb4de6a76b
F src/status.c 46e7aec11f79dad50965a5ca5fa9de009f7d6bde08be2156f1538a0a296d4d0e
F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
F src/wal.c b09a2a9cab50efa08451a8c81d47052120ad5da174048c6d0b08d405384abdf2
F src/wal.h 606292549f5a7be50b6227bd685fa76e3a4affad71bb8ac5ce4cb5c79f6a176a
-F src/walker.c 7607f1a68130c028255d8d56094ea602fc402c79e1e35a46e6282849d90d5fe4
+F src/walker.c 31844651eacdc408474c62df526f20d5ea7994b5b8ffcd23eed5dc8f688c26f5
F src/where.c 2f11eeb14335b7640f886b2fb441f54a94c35ab5cde8b53461a1074bfd587081
F src/whereInt.h 1b728f71654ebf8421a1715497a587f02d6f538e819af58dc826908f8577e810
F src/wherecode.c 37a1004237d630d785c47bba2290eac652a7a8b0047518eba3cb7c808b604c4a
F src/whereexpr.c 5e559bdd24b06e3bc2e68f258bf751302954dc1e432daf71fdd8098a71462326
-F src/window.c 5be2cf7d8763cc97137fc44d015aed8a1a4a56fe9700d7933ed560172617c756
+F src/window.c c595e250528b0f5c31d26d96e0077d137aa3be2aec3b33ab30fbf3e7f69110c2
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
F test/affinity3.test 6a101af2fc945ce2912f6fe54dd646018551710d
F test/fallocate.test 37a62e396a68eeede8f8d2ecf23573a80faceb630788d314d0a073d862616717
F test/filectrl.test 6e871c2d35dead1d9a88e176e8d2ca094fec6bb3
F test/filefmt.test f393e80c4b8d493b7a7f8f3809a8425bbf4292af1f5140f01cb1427798a2bbd4
+F test/filter1.test d706edd2c32c6b148143d885927e5cf4ea141106b803e243e5d1bfbdc7e2b5cf
+F test/filter2.tcl 87e24fd0a2ab502bd4d0350c4eee17a50e2b4364a1b67230f82b8f2a5029f6bf
+F test/filter2.test dfddced42a534e71a730aa3d4c6b148d9fbf29aa306f9cec6b51f31b8cf7e224
F test/fkey1.test d11dbb8a93ead9b5c46ae5d02da016d61245d47662fb2d844c99214f6163f768
F test/fkey2.test d35d1c81e7569bdd2b872e91750f7098117d2e8291369f70b7e3d50a0e523dc2
F test/fkey3.test 76d475c80b84ee7a5d062e56ccb6ea68882e2b49
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 5fd20e09a522b62a529cf4d76fbdf0a09426f67ffa30430cac6b81ebf32ba43e
-R d8e38b1a6647f90f85dd30ba60740431
-U drh
-Z 069759ad3085e2b5f17cc34ec369471a
+P eab4297577e4d325fed4757867fc77860de7448998d86f098c8a50272e17d35e
+R 43e2b0402b61e905810368aafa77ca67
+T *branch * filter-clause
+T *sym-filter-clause *
+T -sym-trunk *
+U dan
+Z 9e8394b31320bbcccfabf9cff0d64121
-eab4297577e4d325fed4757867fc77860de7448998d86f098c8a50272e17d35e
\ No newline at end of file
+1f1ae2d6ac8dcbb62e5aa3dc17bc67d559cb565fc0d0a8c00a596075d35f8130
\ No newline at end of file
assert( !ExprHasProperty(p, EP_WinFunc) || p->y.pWin!=0 || db->mallocFailed );
assert( p->op!=TK_FUNCTION || ExprHasProperty(p, EP_TokenOnly|EP_Reduced)
- || p->y.pWin==0 || ExprHasProperty(p, EP_WinFunc) );
+ || p->y.pWin==0 || ExprHasProperty(p, EP_WinFunc|EP_Filter) );
#ifdef SQLITE_DEBUG
if( ExprHasProperty(p, EP_Leaf) && !ExprHasProperty(p, EP_TokenOnly) ){
assert( p->pLeft==0 );
}else{
sqlite3ExprListDelete(db, p->x.pList);
}
+#ifndef SQLITE_OMIT_WINDOWFUNC
if( ExprHasProperty(p, EP_WinFunc) ){
- assert( p->op==TK_FUNCTION );
+ assert( p->op==TK_FUNCTION && !ExprHasProperty(p, EP_Filter) );
sqlite3WindowDelete(db, p->y.pWin);
+ }else if( ExprHasProperty(p, EP_Filter) ){
+ assert( p->op==TK_FUNCTION || p->op==TK_AGG_FUNCTION );
+ sqlite3ExprDelete(db, p->y.pFilter);
}
+#endif
}
if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken);
if( !ExprHasProperty(p, EP_Static) ){
}
/* Fill in pNew->pLeft and pNew->pRight. */
- if( ExprHasProperty(pNew, EP_Reduced|EP_TokenOnly|EP_WinFunc) ){
+ if( ExprHasProperty(pNew, EP_Reduced|EP_TokenOnly|EP_WinFunc|EP_Filter) ){
zAlloc += dupedExprNodeSize(p, dupFlags);
if( !ExprHasProperty(pNew, EP_TokenOnly|EP_Leaf) ){
pNew->pLeft = p->pLeft ?
pNew->y.pWin = sqlite3WindowDup(db, pNew, p->y.pWin);
assert( ExprHasProperty(pNew, EP_WinFunc) );
}
+ if( ExprHasProperty(p, EP_Filter) ){
+ pNew->y.pFilter = sqlite3ExprDup(db, p->y.pFilter, 0);
+ assert( ExprHasProperty(pNew, EP_Filter) );
+ }
#endif /* SQLITE_OMIT_WINDOWFUNC */
if( pzBuffer ){
*pzBuffer = zAlloc;
** objects found there, assembling them onto the linked list at Select->pWin.
*/
static int gatherSelectWindowsCallback(Walker *pWalker, Expr *pExpr){
- if( pExpr->op==TK_FUNCTION && pExpr->y.pWin!=0 ){
- assert( ExprHasProperty(pExpr, EP_WinFunc) );
+ if( pExpr->op==TK_FUNCTION && ExprHasProperty(pExpr, EP_WinFunc) ){
+ assert( pExpr->y.pWin );
pExpr->y.pWin->pNextWin = pWalker->u.pSelect->pWin;
pWalker->u.pSelect->pWin = pExpr->y.pWin;
}
}else if( ALWAYS(pB->u.zToken!=0) && strcmp(pA->u.zToken,pB->u.zToken)!=0 ){
return 2;
}
+#ifndef SQLITE_OMIT_WINDOWFUNC
+ else if( pA->op==TK_AGG_FUNCTION ){
+ assert( ExprHasProperty(pA, EP_WinFunc)==0 );
+ if( sqlite3ExprCompare(pParse, pA->y.pFilter, pB->y.pFilter, iTab) ){
+ return 2;
+ }
+ }
+#endif
}
if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2;
if( (combinedFlags & EP_TokenOnly)==0 ){
%endif SQLITE_OMIT_CAST
+%ifdef SQLITE_OMIT_WINDOWFUNC
expr(A) ::= id(X) LP distinct(D) exprlist(Y) RP. {
A = sqlite3ExprFunction(pParse, Y, &X, D);
}
expr(A) ::= id(X) LP STAR RP. {
A = sqlite3ExprFunction(pParse, 0, &X, 0);
}
+%endif
%ifndef SQLITE_OMIT_WINDOWFUNC
-expr(A) ::= id(X) LP distinct(D) exprlist(Y) RP over_clause(Z). {
+expr(A) ::= id(X) LP distinct(D) exprlist(Y) RP filter_opt(F) over_opt(Z). {
A = sqlite3ExprFunction(pParse, Y, &X, D);
- sqlite3WindowAttach(pParse, A, Z);
+ sqlite3WindowAttach(pParse, A, F, Z);
}
-expr(A) ::= id(X) LP STAR RP over_clause(Z). {
+expr(A) ::= id(X) LP STAR RP filter_opt(F) over_opt(Z). {
A = sqlite3ExprFunction(pParse, 0, &X, 0);
- sqlite3WindowAttach(pParse, A, Z);
+ sqlite3WindowAttach(pParse, A, F, Z);
}
%endif
%destructor window_clause {sqlite3WindowListDelete(pParse->db, $$);}
window_clause(A) ::= WINDOW windowdefn_list(B). { A = B; }
-%type over_clause {Window*}
-%destructor over_clause {sqlite3WindowDelete(pParse->db, $$);}
-over_clause(A) ::= filter_opt(W) OVER LP window(Z) RP. {
+%type over_opt {Window*}
+%destructor over_opt {sqlite3WindowDelete(pParse->db, $$);}
+over_opt(A) ::= . { A=0; }
+over_opt(A) ::= OVER LP window(Z) RP. {
A = Z;
assert( A!=0 );
- A->pFilter = W;
}
-over_clause(A) ::= filter_opt(W) OVER nm(Z). {
+over_opt(A) ::= OVER nm(Z). {
A = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window));
if( A ){
A->zName = sqlite3DbStrNDup(pParse->db, Z.z, Z.n);
- A->pFilter = W;
- }else{
- sqlite3ExprDelete(pParse->db, W);
}
}
sqlite3ErrorMsg(pParse, "misuse of %s function %.*s()",zType,nId,zId);
pNC->nErr++;
is_agg = 0;
+ }else if( is_agg==0 && ExprHasProperty(pExpr, EP_Filter) ){
+ sqlite3ErrorMsg(pParse,
+ "filter clause may not be used with non-aggregate %.*s()",
+ nId, zId
+ );
+ pNC->nErr++;
}
#else
if( (is_agg && (pNC->ncFlags & NC_AllowAgg)==0) ){
sqlite3WalkExprList(pWalker, pList);
if( is_agg ){
#ifndef SQLITE_OMIT_WINDOWFUNC
- if( pExpr->y.pWin ){
+ if( ExprHasProperty(pExpr, EP_WinFunc) ){
Select *pSel = pNC->pWinSelect;
if( IN_RENAME_OBJECT==0 ){
sqlite3WindowUpdate(pParse, pSel->pWinDefn, pExpr->y.pWin, pDef);
NameContext *pNC2 = pNC;
pExpr->op = TK_AGG_FUNCTION;
pExpr->op2 = 0;
+#ifndef SQLITE_OMIT_WINDOWFUNC
+ sqlite3WalkExpr(pWalker, pExpr->y.pFilter);
+#endif
while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
pExpr->op2++;
pNC2 = pNC2->pNext;
assert( *ppMinMax==0 );
assert( pFunc->op==TK_AGG_FUNCTION );
- if( pEList==0 || pEList->nExpr!=1 ) return eRet;
+ if( pEList==0 || pEList->nExpr!=1 || ExprHasProperty(pFunc, EP_Filter) ){
+ return eRet;
+ }
zFunc = pFunc->u.zToken;
if( sqlite3StrICmp(zFunc, "min")==0 ){
eRet = WHERE_ORDERBY_MIN;
if( pExpr->op!=TK_AGG_FUNCTION ) return 0;
if( NEVER(pAggInfo->nFunc==0) ) return 0;
if( (pAggInfo->aFunc[0].pFunc->funcFlags&SQLITE_FUNC_COUNT)==0 ) return 0;
- if( pExpr->flags&EP_Distinct ) return 0;
+ if( ExprHasProperty(pExpr, EP_Distinct|EP_Filter) ) return 0;
return pTab;
}
int regAgg;
ExprList *pList = pF->pExpr->x.pList;
assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) );
+ if( ExprHasProperty(pF->pExpr, EP_Filter) ){
+ Expr *pFilter = pF->pExpr->y.pFilter;
+ addrNext = sqlite3VdbeMakeLabel(pParse);
+ sqlite3ExprIfFalse(pParse, pFilter, addrNext, SQLITE_JUMPIFNULL);
+ }
if( pList ){
nArg = pList->nExpr;
regAgg = sqlite3GetTempRange(pParse, nArg);
regAgg = 0;
}
if( pF->iDistinct>=0 ){
- addrNext = sqlite3VdbeMakeLabel(pParse);
+ if( addrNext==0 ){
+ addrNext = sqlite3VdbeMakeLabel(pParse);
+ }
testcase( nArg==0 ); /* Error condition */
testcase( nArg>1 ); /* Also an error */
codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg);
minMaxFlag = WHERE_ORDERBY_NORMAL;
}
for(i=0; i<sAggInfo.nFunc; i++){
- assert( !ExprHasProperty(sAggInfo.aFunc[i].pExpr, EP_xIsSelect) );
+ Expr *pExpr = sAggInfo.aFunc[i].pExpr;
+ assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
sNC.ncFlags |= NC_InAggFunc;
- sqlite3ExprAnalyzeAggList(&sNC, sAggInfo.aFunc[i].pExpr->x.pList);
+ sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList);
+#ifndef SQLITE_OMIT_WINDOWFUNC
+ assert( !ExprHasProperty(pExpr, EP_WinFunc) );
+ sqlite3ExprAnalyzeAggregates(&sNC, pExpr->y.pFilter);
+#endif
sNC.ncFlags &= ~NC_InAggFunc;
}
sAggInfo.mxReg = pParse->nMem;
union {
Table *pTab; /* TK_COLUMN: Table containing column. Can be NULL
** for a column of an index on an expression */
- Window *pWin; /* TK_FUNCTION: Window definition for the func */
+ Window *pWin; /* EP_WinFunc: Window definition for the func */
+ Expr *pFilter; /* EP_Filter: Filter definition for the func */
struct { /* TK_IN, TK_SELECT, and TK_EXISTS */
int iAddr; /* Subroutine entry address */
int regReturn; /* Register used to hold return address */
#define EP_Static 0x8000000 /* Held in memory not obtained from malloc() */
#define EP_IsTrue 0x10000000 /* Always has boolean value of TRUE */
#define EP_IsFalse 0x20000000 /* Always has boolean value of FALSE */
+#define EP_Filter 0x40000000 /* TK_[AGG_]FUNCTION with Expr.y.pFilter set */
/*
** The EP_Propagate mask is a set of properties that automatically propagate
void sqlite3WindowDelete(sqlite3*, Window*);
void sqlite3WindowListDelete(sqlite3 *db, Window *p);
Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*, u8);
-void sqlite3WindowAttach(Parse*, Expr*, Window*);
+void sqlite3WindowAttach(Parse*, Expr*, Expr*, Window*);
int sqlite3WindowCompare(Parse*, Window*, Window*);
void sqlite3WindowCodeInit(Parse*, Window*);
void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int);
#else
# define sqlite3WindowDelete(a,b)
# define sqlite3WindowFunctions()
-# define sqlite3WindowAttach(a,b,c)
+# define sqlite3WindowAttach(a,b,c,d)
#endif
/*
if( ExprHasProperty(pExpr, EP_WinFunc) ){
if( walkWindowList(pWalker, pExpr->y.pWin) ) return WRC_Abort;
}
+ if( ExprHasProperty(pExpr, EP_Filter) ){
+ if( walkExpr(pWalker, pExpr->y.pFilter) ) return WRC_Abort;
+ }
#endif
}
break;
/*
** Attach window object pWin to expression p.
*/
-void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){
+void sqlite3WindowAttach(Parse *pParse, Expr *p, Expr *pFilter, Window *pWin){
if( p ){
assert( p->op==TK_FUNCTION );
- /* This routine is only called for the parser. If pWin was not
- ** allocated due to an OOM, then the parser would fail before ever
- ** invoking this routine */
- if( ALWAYS(pWin) ){
+ if( pWin ){
p->y.pWin = pWin;
ExprSetProperty(p, EP_WinFunc);
pWin->pOwner = p;
sqlite3ErrorMsg(pParse,
"DISTINCT is not supported for window functions");
}
+ pWin->pFilter = pFilter;
+ }else if( pFilter ){
+ p->y.pFilter = pFilter;
+ ExprSetProperty(p, EP_Filter);
}
}else{
sqlite3WindowDelete(pParse->db, pWin);
+ sqlite3ExprDelete(pParse->db, pFilter);
}
}
--- /dev/null
+# 2018 May 8
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix filter1
+
+ifcapable !windowfunc {
+ finish_test
+ return
+}
+
+do_execsql_test 1.0 {
+ CREATE TABLE t1(a);
+ CREATE INDEX i1 ON t1(a);
+ INSERT INTO t1 VALUES(1), (2), (3), (4), (5), (6), (7), (8), (9);
+}
+
+do_execsql_test 1.1 { SELECT sum(a) FROM t1; } 45
+do_execsql_test 1.2 { SELECT sum(a) FILTER( WHERE a<5 ) FROM t1; } 10
+
+do_execsql_test 1.3 {
+ SELECT sum(a) FILTER( WHERE a>9 ),
+ sum(a) FILTER( WHERE a>8 ),
+ sum(a) FILTER( WHERE a>7 ),
+ sum(a) FILTER( WHERE a>6 ),
+ sum(a) FILTER( WHERE a>5 ),
+ sum(a) FILTER( WHERE a>4 ),
+ sum(a) FILTER( WHERE a>3 ),
+ sum(a) FILTER( WHERE a>2 ),
+ sum(a) FILTER( WHERE a>1 ),
+ sum(a) FILTER( WHERE a>0 )
+ FROM t1;
+} {{} 9 17 24 30 35 39 42 44 45}
+
+do_execsql_test 1.4 {
+ SELECT max(a) FILTER (WHERE (a % 2)==0) FROM t1
+} {8}
+
+do_execsql_test 1.5 {
+ SELECT min(a) FILTER (WHERE a>4) FROM t1
+} {5}
+
+do_execsql_test 1.6 {
+ SELECT count(*) FILTER (WHERE a!=5) FROM t1
+} {8}
+
+do_execsql_test 1.6 {
+ SELECT min(a) FILTER (WHERE a>3) FROM t1 GROUP BY (a%2) ORDER BY 1;
+} {4 5}
+
+
+#-------------------------------------------------------------------------
+# Test some errors:
+#
+# .1 FILTER on a non-aggregate function,
+# .2 Window function in FILTER clause,
+# .3 Aggregate function in FILTER clause,
+#
+reset_db
+do_execsql_test 2.0 {
+ CREATE TABLE t1(a);
+ INSERT INTO t1 VALUES(1), (2), (3), (4), (5), (6), (7), (8), (9);
+}
+
+do_catchsql_test 2.1 {
+ SELECT upper(a) FILTER (WHERE a=1) FROM t1
+} {1 {filter clause may not be used with non-aggregate upper()}}
+
+do_catchsql_test 2.2 {
+ SELECT sum(a) FILTER (WHERE 1 - max(a) OVER () > 0) FROM t1
+} {1 {misuse of window function max()}}
+
+do_catchsql_test 2.3 {
+ SELECT sum(a) FILTER (WHERE 1 - count(a)) FROM t1
+} {1 {misuse of aggregate: count()}}
+
+finish_test
+
+
--- /dev/null
+# 2018 May 19
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+
+source [file join [file dirname $argv0] pg_common.tcl]
+
+#=========================================================================
+
+
+start_test filter2 "2019 July 2"
+
+ifcapable !windowfunc
+
+execsql_test 1.0 {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(a INTEGER PRIMARY KEY, b INTEGER);
+ INSERT INTO t1 VALUES
+ (1, 7), (2, 3), (3, 5), (4, 30), (5, 26), (6, 23), (7, 27),
+ (8, 3), (9, 17), (10, 26), (11, 33), (12, 25), (13, NULL), (14, 47),
+ (15, 36), (16, 13), (17, 45), (18, 31), (19, 11), (20, 36), (21, 37),
+ (22, 21), (23, 22), (24, 14), (25, 16), (26, 3), (27, 7), (28, 29),
+ (29, 50), (30, 38), (31, 3), (32, 36), (33, 12), (34, 4), (35, 46),
+ (36, 3), (37, 48), (38, 23), (39, NULL), (40, 24), (41, 5), (42, 46),
+ (43, 11), (44, NULL), (45, 18), (46, 25), (47, 15), (48, 18), (49, 23);
+}
+
+execsql_test 1.1 { SELECT sum(b) FROM t1 }
+
+execsql_test 1.2 { SELECT sum(b) FILTER (WHERE a<10) FROM t1 }
+
+execsql_test 1.3 { SELECT count(DISTINCT b) FROM t1 }
+
+execsql_test 1.4 { SELECT count(DISTINCT b) FILTER (WHERE a!=19) FROM t1 }
+
+execsql_test 1.5 {
+ SELECT min(b) FILTER (WHERE a>19),
+ min(b) FILTER (WHERE a>0),
+ max(a+b) FILTER (WHERE a>19),
+ max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
+ FROM t1;
+}
+
+execsql_test 1.6 {
+ SELECT min(b),
+ min(b),
+ max(a+b),
+ max(b+a)
+ FROM t1
+ GROUP BY (a%10)
+ ORDER BY 1, 2, 3, 4;
+}
+
+execsql_test 1.7 {
+ SELECT min(b) FILTER (WHERE a>19),
+ min(b) FILTER (WHERE a>0),
+ max(a+b) FILTER (WHERE a>19),
+ max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
+ FROM t1
+ GROUP BY (a%10)
+ ORDER BY 1, 2, 3, 4;
+}
+
+finish_test
+
+
--- /dev/null
+# 2019 July 2
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+
+####################################################
+# DO NOT EDIT! THIS FILE IS AUTOMATICALLY GENERATED!
+####################################################
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix filter2
+
+ifcapable !windowfunc { finish_test ; return }
+do_execsql_test 1.0 {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(a INTEGER PRIMARY KEY, b INTEGER);
+ INSERT INTO t1 VALUES
+ (1, 7), (2, 3), (3, 5), (4, 30), (5, 26), (6, 23), (7, 27),
+ (8, 3), (9, 17), (10, 26), (11, 33), (12, 25), (13, NULL), (14, 47),
+ (15, 36), (16, 13), (17, 45), (18, 31), (19, 11), (20, 36), (21, 37),
+ (22, 21), (23, 22), (24, 14), (25, 16), (26, 3), (27, 7), (28, 29),
+ (29, 50), (30, 38), (31, 3), (32, 36), (33, 12), (34, 4), (35, 46),
+ (36, 3), (37, 48), (38, 23), (39, NULL), (40, 24), (41, 5), (42, 46),
+ (43, 11), (44, NULL), (45, 18), (46, 25), (47, 15), (48, 18), (49, 23);
+} {}
+
+do_execsql_test 1.1 {
+ SELECT sum(b) FROM t1
+} {1041}
+
+do_execsql_test 1.2 {
+ SELECT sum(b) FILTER (WHERE a<10) FROM t1
+} {141}
+
+do_execsql_test 1.3 {
+ SELECT count(DISTINCT b) FROM t1
+} {31}
+
+do_execsql_test 1.4 {
+ SELECT count(DISTINCT b) FILTER (WHERE a!=19) FROM t1
+} {31}
+
+do_execsql_test 1.5 {
+ SELECT min(b) FILTER (WHERE a>19),
+ min(b) FILTER (WHERE a>0),
+ max(a+b) FILTER (WHERE a>19),
+ max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
+ FROM t1;
+} {3 3 88 85}
+
+do_execsql_test 1.6 {
+ SELECT min(b),
+ min(b),
+ max(a+b),
+ max(b+a)
+ FROM t1
+ GROUP BY (a%10)
+ ORDER BY 1, 2, 3, 4;
+} {3 3 58 58 3 3 66 66 3 3 71 71 3 3 88 88 4 4 61 61 5 5 54 54
+ 7 7 85 85 11 11 79 79 16 16 81 81 24 24 68 68}
+
+do_execsql_test 1.7 {
+ SELECT min(b) FILTER (WHERE a>19),
+ min(b) FILTER (WHERE a>0),
+ max(a+b) FILTER (WHERE a>19),
+ max(b+a) FILTER (WHERE a BETWEEN 10 AND 40)
+ FROM t1
+ GROUP BY (a%10)
+ ORDER BY 1, 2, 3, 4;
+} {3 3 58 58 3 3 71 39 4 4 38 61 7 7 85 85 11 5 54 45 16 16 81 81
+ 18 3 66 61 21 3 88 68 23 11 79 79 24 24 68 68}
+
+finish_test