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Clean up the WHERE_* macros used for the wctrlFlags parameter on the

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sqlite3WhereBegin() interface, freeing up some bits to be used for other things.

FossilOrigin-Name: d01305841da94b2d47e32744802f69525bf590df
This commit is contained in:
drh
2016-05-19 18:56:33 +00:00
parent a43a02e42e
commit ce943bc834
5 changed files with 42 additions and 46 deletions
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16
manifest
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@ -1,5 +1,5 @@
C Optimization\smarks\sin\svdbe.c.\s\sNo\slogic\schanges. C Clean\sup\sthe\sWHERE_*\smacros\sused\sfor\sthe\swctrlFlags\sparameter\son\sthe\s\nsqlite3WhereBegin()\sinterface,\sfreeing\sup\ssome\sbits\sto\sbe\sused\sfor\sother\sthings.
D 2016-05-19T17:51:19.307 D 2016-05-19T18:56:33.988
F Makefile.in f59e0763ff448719fc1bd25513882b0567286317 F Makefile.in f59e0763ff448719fc1bd25513882b0567286317
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7 F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7
@ -383,7 +383,7 @@ F src/shell.c 14ff7f660530a52b117d110ba3390b7b2eb719b6
F src/sqlite.h.in 9984129d86243424b765fcb3f147c697bd20bb54 F src/sqlite.h.in 9984129d86243424b765fcb3f147c697bd20bb54
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
F src/sqlite3ext.h 98f72cbfe00169c39089115427d06ea05fe4b4a2 F src/sqlite3ext.h 98f72cbfe00169c39089115427d06ea05fe4b4a2
F src/sqliteInt.h 7c600fe863a30b39ba9afcedba5ee3dad657f8c2 F src/sqliteInt.h 36ad4f5a86e1bef5e34c301b60bb24837f87d662
F src/sqliteLimit.h c0373387c287c8d0932510b5547ecde31b5da247 F src/sqliteLimit.h c0373387c287c8d0932510b5547ecde31b5da247
F src/status.c 70912d7be68e9e2dbc4010c93d344af61d4c59ba F src/status.c 70912d7be68e9e2dbc4010c93d344af61d4c59ba
F src/table.c 5226df15ab9179b9ed558d89575ea0ce37b03fc9 F src/table.c 5226df15ab9179b9ed558d89575ea0ce37b03fc9
@ -458,9 +458,9 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
F src/wal.c 4db22ed7e77bcf672b1a685d6ddeffba8d5be302 F src/wal.c 4db22ed7e77bcf672b1a685d6ddeffba8d5be302
F src/wal.h 2f7c831cf3b071fa548bf2d5cac640846a7ff19c F src/wal.h 2f7c831cf3b071fa548bf2d5cac640846a7ff19c
F src/walker.c 0f142b5bd3ed2041fc52d773880748b212e63354 F src/walker.c 0f142b5bd3ed2041fc52d773880748b212e63354
F src/where.c ad8ad50ccf25795f6830b6b864bbfcd060ff08dd F src/where.c 72fd2e1258625c1aee8e33a529914aea2d487422
F src/whereInt.h 3b1fc240e322613ba4e9dc857ca9c7c3390acc74 F src/whereInt.h 3b1fc240e322613ba4e9dc857ca9c7c3390acc74
F src/wherecode.c d227fca7d766a10fe4ba4d812210f5631f5a98b3 F src/wherecode.c e3f18fcda2d7f8218a09dc33cf495dca0efa6e3e
F src/whereexpr.c eacc0e60d029a082b4fc0cc42ea98544add1319e F src/whereexpr.c eacc0e60d029a082b4fc0cc42ea98544add1319e
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
@ -1489,7 +1489,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 4737cadc414c5f6d256fcceacb19d80d66a8c8e7 P cf2737415aff7de7e133da174b645324c99d5758
R 9f8362ea36557124657ddc486fb3880d R b3dd248e38fe4d745483b43457d811f8
U drh U drh
Z f893c9ab14ca925d78367a321ac969dc Z 077055ad654ddf765f85d8f018c402ea

2
manifest.uuid
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@ -1 +1 @@
cf2737415aff7de7e133da174b645324c99d5758 d01305841da94b2d47e32744802f69525bf590df

22
src/sqliteInt.h
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@ -2531,19 +2531,19 @@ struct SrcList {
#define WHERE_ORDERBY_MIN 0x0001 /* ORDER BY processing for min() func */ #define WHERE_ORDERBY_MIN 0x0001 /* ORDER BY processing for min() func */
#define WHERE_ORDERBY_MAX 0x0002 /* ORDER BY processing for max() func */ #define WHERE_ORDERBY_MAX 0x0002 /* ORDER BY processing for max() func */
#define WHERE_ONEPASS_DESIRED 0x0004 /* Want to do one-pass UPDATE/DELETE */ #define WHERE_ONEPASS_DESIRED 0x0004 /* Want to do one-pass UPDATE/DELETE */
#define WHERE_DUPLICATES_OK 0x0008 /* Ok to return a row more than once */ #define WHERE_ONEPASS_MULTIROW 0x0008 /* ONEPASS is ok with multiple rows */
#define WHERE_OMIT_OPEN_CLOSE 0x0010 /* Table cursors are already open */ #define WHERE_DUPLICATES_OK 0x0010 /* Ok to return a row more than once */
#define WHERE_FORCE_TABLE 0x0020 /* Do not use an index-only search */ #define WHERE_OR_SUBCLAUSE 0x0020 /* Sub-WHERE for an OR term */
#define WHERE_ONETABLE_ONLY 0x0040 /* Only code the 1st table in pTabList */ #define WHERE_GROUPBY 0x0040 /* pOrderBy is really a GROUP BY */
#define WHERE_NO_AUTOINDEX 0x0080 /* Disallow automatic indexes */ #define WHERE_DISTINCTBY 0x0080 /* pOrderby is really a DISTINCT clause */
#define WHERE_GROUPBY 0x0100 /* pOrderBy is really a GROUP BY */ #define WHERE_WANT_DISTINCT 0x0100 /* All output needs to be distinct */
#define WHERE_DISTINCTBY 0x0200 /* pOrderby is really a DISTINCT clause */ #define WHERE_SORTBYGROUP 0x0200 /* Support sqlite3WhereIsSorted() */
#define WHERE_WANT_DISTINCT 0x0400 /* All output needs to be distinct */ #define WHERE_SEEK_TABLE 0x0400 /* Do not defer seeks on main table */
#define WHERE_SORTBYGROUP 0x0800 /* Support sqlite3WhereIsSorted() */ /* 0x0800 not currently used */
/* 0x1000 not currently used */ /* 0x1000 not currently used */
#define WHERE_ONEPASS_MULTIROW 0x2000 /* ONEPASS is ok with multiple rows */ /* 0x2000 not currently used */
#define WHERE_USE_LIMIT 0x4000 /* There is a constant LIMIT clause */ #define WHERE_USE_LIMIT 0x4000 /* There is a constant LIMIT clause */
#define WHERE_SEEK_TABLE 0x8000 /* Do not defer seeks on main table */ /* 0x8000 not currently used */
/* Allowed return values from sqlite3WhereIsDistinct() /* Allowed return values from sqlite3WhereIsDistinct()
*/ */

32
src/where.c
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@ -2635,7 +2635,7 @@ static int whereLoopAddBtree(
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX #ifndef SQLITE_OMIT_AUTOMATIC_INDEX
/* Automatic indexes */ /* Automatic indexes */
if( !pBuilder->pOrSet /* Not part of an OR optimization */ if( !pBuilder->pOrSet /* Not part of an OR optimization */
&& (pWInfo->wctrlFlags & WHERE_NO_AUTOINDEX)==0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0
&& (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0
&& pSrc->pIBIndex==0 /* Has no INDEXED BY clause */ && pSrc->pIBIndex==0 /* Has no INDEXED BY clause */
&& !pSrc->fg.notIndexed /* Has no NOT INDEXED clause */ && !pSrc->fg.notIndexed /* Has no NOT INDEXED clause */
@ -3947,7 +3947,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){
Index *pIdx; Index *pIdx;
pWInfo = pBuilder->pWInfo; pWInfo = pBuilder->pWInfo;
if( pWInfo->wctrlFlags & WHERE_FORCE_TABLE ) return 0; if( pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE ) return 0;
assert( pWInfo->pTabList->nSrc>=1 ); assert( pWInfo->pTabList->nSrc>=1 );
pItem = pWInfo->pTabList->a; pItem = pWInfo->pTabList->a;
pTab = pItem->pTab; pTab = pItem->pTab;
@ -4094,7 +4094,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){
** is called from an UPDATE or DELETE statement, then pOrderBy is NULL. ** is called from an UPDATE or DELETE statement, then pOrderBy is NULL.
** **
** The iIdxCur parameter is the cursor number of an index. If ** The iIdxCur parameter is the cursor number of an index. If
** WHERE_ONETABLE_ONLY is set, iIdxCur is the cursor number of an index ** WHERE_OR_SUBCLAUSE is set, iIdxCur is the cursor number of an index
** to use for OR clause processing. The WHERE clause should use this ** to use for OR clause processing. The WHERE clause should use this
** specific cursor. If WHERE_ONEPASS_DESIRED is set, then iIdxCur is ** specific cursor. If WHERE_ONEPASS_DESIRED is set, then iIdxCur is
** the first cursor in an array of cursors for all indices. iIdxCur should ** the first cursor in an array of cursors for all indices. iIdxCur should
@ -4108,7 +4108,7 @@ WhereInfo *sqlite3WhereBegin(
ExprList *pOrderBy, /* An ORDER BY (or GROUP BY) clause, or NULL */ ExprList *pOrderBy, /* An ORDER BY (or GROUP BY) clause, or NULL */
ExprList *pDistinctSet, /* Try not to output two rows that duplicate these */ ExprList *pDistinctSet, /* Try not to output two rows that duplicate these */
u16 wctrlFlags, /* The WHERE_* flags defined in sqliteInt.h */ u16 wctrlFlags, /* The WHERE_* flags defined in sqliteInt.h */
int iAuxArg /* If WHERE_ONETABLE_ONLY is set, index cursor number int iAuxArg /* If WHERE_OR_SUBCLAUSE is set, index cursor number
** If WHERE_USE_LIMIT, then the limit amount */ ** If WHERE_USE_LIMIT, then the limit amount */
){ ){
int nByteWInfo; /* Num. bytes allocated for WhereInfo struct */ int nByteWInfo; /* Num. bytes allocated for WhereInfo struct */
@ -4127,11 +4127,11 @@ WhereInfo *sqlite3WhereBegin(
assert( (wctrlFlags & WHERE_ONEPASS_MULTIROW)==0 || ( assert( (wctrlFlags & WHERE_ONEPASS_MULTIROW)==0 || (
(wctrlFlags & WHERE_ONEPASS_DESIRED)!=0 (wctrlFlags & WHERE_ONEPASS_DESIRED)!=0
&& (wctrlFlags & WHERE_OMIT_OPEN_CLOSE)==0 && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0
)); ));
/* Only one of WHERE_ONETABLE_ONLY or WHERE_USE_LIMIT */ /* Only one of WHERE_OR_SUBCLAUSE or WHERE_USE_LIMIT */
assert( (wctrlFlags & WHERE_ONETABLE_ONLY)==0 assert( (wctrlFlags & WHERE_OR_SUBCLAUSE)==0
|| (wctrlFlags & WHERE_USE_LIMIT)==0 ); || (wctrlFlags & WHERE_USE_LIMIT)==0 );
/* Variable initialization */ /* Variable initialization */
@ -4159,11 +4159,11 @@ WhereInfo *sqlite3WhereBegin(
} }
/* This function normally generates a nested loop for all tables in /* This function normally generates a nested loop for all tables in
** pTabList. But if the WHERE_ONETABLE_ONLY flag is set, then we should ** pTabList. But if the WHERE_OR_SUBCLAUSE flag is set, then we should
** only generate code for the first table in pTabList and assume that ** only generate code for the first table in pTabList and assume that
** any cursors associated with subsequent tables are uninitialized. ** any cursors associated with subsequent tables are uninitialized.
*/ */
nTabList = (wctrlFlags & WHERE_ONETABLE_ONLY) ? 1 : pTabList->nSrc; nTabList = (wctrlFlags & WHERE_OR_SUBCLAUSE) ? 1 : pTabList->nSrc;
/* Allocate and initialize the WhereInfo structure that will become the /* Allocate and initialize the WhereInfo structure that will become the
** return value. A single allocation is used to store the WhereInfo ** return value. A single allocation is used to store the WhereInfo
@ -4239,7 +4239,7 @@ WhereInfo *sqlite3WhereBegin(
** Note that bitmasks are created for all pTabList->nSrc tables in ** Note that bitmasks are created for all pTabList->nSrc tables in
** pTabList, not just the first nTabList tables. nTabList is normally ** pTabList, not just the first nTabList tables. nTabList is normally
** equal to pTabList->nSrc but might be shortened to 1 if the ** equal to pTabList->nSrc but might be shortened to 1 if the
** WHERE_ONETABLE_ONLY flag is set. ** WHERE_OR_SUBCLAUSE flag is set.
*/ */
for(ii=0; ii<pTabList->nSrc; ii++){ for(ii=0; ii<pTabList->nSrc; ii++){
createMask(pMaskSet, pTabList->a[ii].iCursor); createMask(pMaskSet, pTabList->a[ii].iCursor);
@ -4422,7 +4422,7 @@ WhereInfo *sqlite3WhereBegin(
}else }else
#endif #endif
if( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 if( (pLoop->wsFlags & WHERE_IDX_ONLY)==0
&& (wctrlFlags & WHERE_OMIT_OPEN_CLOSE)==0 ){ && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){
int op = OP_OpenRead; int op = OP_OpenRead;
if( pWInfo->eOnePass!=ONEPASS_OFF ){ if( pWInfo->eOnePass!=ONEPASS_OFF ){
op = OP_OpenWrite; op = OP_OpenWrite;
@ -4461,7 +4461,7 @@ WhereInfo *sqlite3WhereBegin(
/* iAuxArg is always set if to a positive value if ONEPASS is possible */ /* iAuxArg is always set if to a positive value if ONEPASS is possible */
assert( iAuxArg!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 ); assert( iAuxArg!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );
if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx) if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx)
&& (wctrlFlags & WHERE_ONETABLE_ONLY)!=0 && (wctrlFlags & WHERE_OR_SUBCLAUSE)!=0
){ ){
/* This is one term of an OR-optimization using the PRIMARY KEY of a /* This is one term of an OR-optimization using the PRIMARY KEY of a
** WITHOUT ROWID table. No need for a separate index */ ** WITHOUT ROWID table. No need for a separate index */
@ -4477,7 +4477,7 @@ WhereInfo *sqlite3WhereBegin(
} }
op = OP_OpenWrite; op = OP_OpenWrite;
pWInfo->aiCurOnePass[1] = iIndexCur; pWInfo->aiCurOnePass[1] = iIndexCur;
}else if( iAuxArg && (wctrlFlags & WHERE_ONETABLE_ONLY)!=0 ){ }else if( iAuxArg && (wctrlFlags & WHERE_OR_SUBCLAUSE)!=0 ){
iIndexCur = iAuxArg; iIndexCur = iAuxArg;
op = OP_ReopenIdx; op = OP_ReopenIdx;
}else{ }else{
@ -4541,7 +4541,7 @@ WhereInfo *sqlite3WhereBegin(
pLevel->addrBody = sqlite3VdbeCurrentAddr(v); pLevel->addrBody = sqlite3VdbeCurrentAddr(v);
notReady = sqlite3WhereCodeOneLoopStart(pWInfo, ii, notReady); notReady = sqlite3WhereCodeOneLoopStart(pWInfo, ii, notReady);
pWInfo->iContinue = pLevel->addrCont; pWInfo->iContinue = pLevel->addrCont;
if( (wsFlags&WHERE_MULTI_OR)==0 && (wctrlFlags&WHERE_ONETABLE_ONLY)==0 ){ if( (wsFlags&WHERE_MULTI_OR)==0 && (wctrlFlags&WHERE_OR_SUBCLAUSE)==0 ){
sqlite3WhereAddScanStatus(v, pTabList, pLevel, addrExplain); sqlite3WhereAddScanStatus(v, pTabList, pLevel, addrExplain);
} }
} }
@ -4664,12 +4664,12 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
/* Close all of the cursors that were opened by sqlite3WhereBegin. /* Close all of the cursors that were opened by sqlite3WhereBegin.
** Except, do not close cursors that will be reused by the OR optimization ** Except, do not close cursors that will be reused by the OR optimization
** (WHERE_OMIT_OPEN_CLOSE). And do not close the OP_OpenWrite cursors ** (WHERE_OR_SUBCLAUSE). And do not close the OP_OpenWrite cursors
** created for the ONEPASS optimization. ** created for the ONEPASS optimization.
*/ */
if( (pTab->tabFlags & TF_Ephemeral)==0 if( (pTab->tabFlags & TF_Ephemeral)==0
&& pTab->pSelect==0 && pTab->pSelect==0
&& (pWInfo->wctrlFlags & WHERE_OMIT_OPEN_CLOSE)==0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0
){ ){
int ws = pLoop->wsFlags; int ws = pLoop->wsFlags;
if( pWInfo->eOnePass==ONEPASS_OFF && (ws & WHERE_IDX_ONLY)==0 ){ if( pWInfo->eOnePass==ONEPASS_OFF && (ws & WHERE_IDX_ONLY)==0 ){

14
src/wherecode.c
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@ -126,7 +126,7 @@ int sqlite3WhereExplainOneScan(
pLoop = pLevel->pWLoop; pLoop = pLevel->pWLoop;
flags = pLoop->wsFlags; flags = pLoop->wsFlags;
if( (flags&WHERE_MULTI_OR) || (wctrlFlags&WHERE_ONETABLE_ONLY) ) return 0; if( (flags&WHERE_MULTI_OR) || (wctrlFlags&WHERE_OR_SUBCLAUSE) ) return 0;
isSearch = (flags&(WHERE_BTM_LIMIT|WHERE_TOP_LIMIT))!=0 isSearch = (flags&(WHERE_BTM_LIMIT|WHERE_TOP_LIMIT))!=0
|| ((flags&WHERE_VIRTUALTABLE)==0 && (pLoop->u.btree.nEq>0)) || ((flags&WHERE_VIRTUALTABLE)==0 && (pLoop->u.btree.nEq>0))
@ -776,7 +776,7 @@ static void codeDeferredSeek(
assert( pIdx->aiColumn[pIdx->nColumn-1]==-1 ); assert( pIdx->aiColumn[pIdx->nColumn-1]==-1 );
sqlite3VdbeAddOp3(v, OP_Seek, iIdxCur, 0, iCur); sqlite3VdbeAddOp3(v, OP_Seek, iIdxCur, 0, iCur);
if( (pWInfo->wctrlFlags & WHERE_FORCE_TABLE) if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)
&& DbMaskAllZero(sqlite3ParseToplevel(pParse)->writeMask) && DbMaskAllZero(sqlite3ParseToplevel(pParse)->writeMask)
){ ){
int i; int i;
@ -831,7 +831,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur); pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur);
bRev = (pWInfo->revMask>>iLevel)&1; bRev = (pWInfo->revMask>>iLevel)&1;
omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0
&& (pWInfo->wctrlFlags & WHERE_FORCE_TABLE)==0; && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0;
VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName)); VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName));
/* Create labels for the "break" and "continue" instructions /* Create labels for the "break" and "continue" instructions
@ -1517,11 +1517,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
** eliminating duplicates from other WHERE clauses, the action for each ** eliminating duplicates from other WHERE clauses, the action for each
** sub-WHERE clause is to to invoke the main loop body as a subroutine. ** sub-WHERE clause is to to invoke the main loop body as a subroutine.
*/ */
wctrlFlags = WHERE_OMIT_OPEN_CLOSE wctrlFlags = WHERE_OR_SUBCLAUSE | (pWInfo->wctrlFlags & WHERE_SEEK_TABLE);
| WHERE_FORCE_TABLE
| WHERE_ONETABLE_ONLY
| WHERE_NO_AUTOINDEX
| (pWInfo->wctrlFlags & WHERE_SEEK_TABLE);
for(ii=0; ii<pOrWc->nTerm; ii++){ for(ii=0; ii<pOrWc->nTerm; ii++){
WhereTerm *pOrTerm = &pOrWc->a[ii]; WhereTerm *pOrTerm = &pOrWc->a[ii];
if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){ if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
@ -1690,7 +1686,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue;
if( (pTerm->prereqAll & pLevel->notReady)!=0 ){ if( (pTerm->prereqAll & pLevel->notReady)!=0 ){
testcase( pWInfo->untestedTerms==0 testcase( pWInfo->untestedTerms==0
&& (pWInfo->wctrlFlags & WHERE_ONETABLE_ONLY)!=0 ); && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)!=0 );
pWInfo->untestedTerms = 1; pWInfo->untestedTerms = 1;
continue; continue;
} }