lib/sqlite/sqlite3.c

100478   WhereMaskSet *pMaskSet;  /* Mapping of table cursor numbers to bitmasks */
100609   WhereMaskSet *pMaskSet   /* Mapping from table cursor numbers to bitmasks */
100612   pWC->pMaskSet = pMaskSet;
100746 static Bitmask getMask(WhereMaskSet *pMaskSet, int iCursor){
100748   assert( pMaskSet->n<=(int)sizeof(Bitmask)*8 );
100749   for(i=0; i<pMaskSet->n; i++){
100750     if( pMaskSet->ix[i]==iCursor ){
100762 ** sqlite3WhereBegin() routine.  So we know that the pMaskSet->ix[]
100765 static void createMask(WhereMaskSet *pMaskSet, int iCursor){
100766   assert( pMaskSet->n < ArraySize(pMaskSet->ix) );
100767   pMaskSet->ix[pMaskSet->n++] = iCursor;
100786 static Bitmask exprTableUsage(WhereMaskSet *pMaskSet, Expr *p){
100790     mask = getMask(pMaskSet, p->iTable);
100793   mask = exprTableUsage(pMaskSet, p->pRight);
100794   mask |= exprTableUsage(pMaskSet, p->pLeft);
100796     mask |= exprSelectTableUsage(pMaskSet, p->x.pSelect);
100798     mask |= exprListTableUsage(pMaskSet, p->x.pList);
100802 static Bitmask exprListTableUsage(WhereMaskSet *pMaskSet, ExprList *pList){
100807       mask |= exprTableUsage(pMaskSet, pList->a[i].pExpr);
100812 static Bitmask exprSelectTableUsage(WhereMaskSet *pMaskSet, Select *pS){
100816     mask |= exprListTableUsage(pMaskSet, pS->pEList);
100817     mask |= exprListTableUsage(pMaskSet, pS->pGroupBy);
100818     mask |= exprListTableUsage(pMaskSet, pS->pOrderBy);
100819     mask |= exprTableUsage(pMaskSet, pS->pWhere);
100820     mask |= exprTableUsage(pMaskSet, pS->pHaving);
100824         mask |= exprSelectTableUsage(pMaskSet, pSrc->a[i].pSelect);
100825         mask |= exprTableUsage(pMaskSet, pSrc->a[i].pOn);
101206   WhereMaskSet *pMaskSet = pWC->pMaskSet; /* Table use masks */
101225   whereClauseInit(pOrWc, pWC->pParse, pMaskSet);
101252         whereClauseInit(pAndWC, pWC->pParse, pMaskSet);
101260               b |= getMask(pMaskSet, pAndTerm->leftCursor);
101271       b = getMask(pMaskSet, pOrTerm->leftCursor);
101274         b |= getMask(pMaskSet, pOther->leftCursor);
101336         if( (chngToIN & getMask(pMaskSet, pOrTerm->leftCursor))==0 ){
101355         assert( chngToIN==getMask(pMaskSet, iCursor) );
101455   WhereMaskSet *pMaskSet;          /* Set of table index masks */
101471   pMaskSet = pWC->pMaskSet;
101473   prereqLeft = exprTableUsage(pMaskSet, pExpr->pLeft);
101478       pTerm->prereqRight = exprSelectTableUsage(pMaskSet, pExpr->x.pSelect);
101480       pTerm->prereqRight = exprListTableUsage(pMaskSet, pExpr->x.pList);
101485     pTerm->prereqRight = exprTableUsage(pMaskSet, pExpr->pRight);
101487   prereqAll = exprTableUsage(pMaskSet, pExpr);
101489     Bitmask x = getMask(pMaskSet, pExpr->iRightJoinTable);
101666     prereqExpr = exprTableUsage(pMaskSet, pRight);
101667     prereqColumn = exprTableUsage(pMaskSet, pLeft);
101741   WhereMaskSet *pMaskSet,   /* Mapping from tables to bitmaps */
101745   Bitmask allowed = ~getMask(pMaskSet, iBase);
101747     if( (exprTableUsage(pMaskSet, pList->a[iFirst++].pExpr)&allowed)!=0 ){
101932   WhereMaskSet *pMaskSet, /* Mapping from table cursor numbers to bitmaps */
102028     if( iColumn<0 && !referencesOtherTables(pOrderBy, pMaskSet, j, base) ){
102047       && !referencesOtherTables(pOrderBy, pMaskSet, j, base) ){
102145   const Bitmask maskSrc = getMask(pWC->pMaskSet, iCur);  /* Bitmask for pSrc */
102180           tempWC.pMaskSet = pWC->pMaskSet;
103421           pParse, pWC->pMaskSet, pProbe, iCur, pOrderBy, nEq, wsFlags, &rev)
103579       thisTab = getMask(pWC->pMaskSet, iCur);
104712   notReady &= ~getMask(pWC->pMaskSet, iCur);
104911   WhereMaskSet *pMaskSet;    /* The expression mask set */
104961   pMaskSet = (WhereMaskSet*)&pWC[1];
104970   initMaskSet(pMaskSet);
104971   whereClauseInit(pWC, pParse, pMaskSet);
105004   assert( pWC->vmask==0 && pMaskSet->n==0 );
105006     createMask(pMaskSet, pTabList->a[i].iCursor);
105017       Bitmask m = getMask(pMaskSet, pTabList->a[i].iCursor);
105130         m = getMask(pMaskSet, pTabItem->iCursor);
105206     assert( notReady & getMask(pMaskSet, pTabList->a[bestJ].iCursor) );
105226     notReady &= ~getMask(pMaskSet, pTabList->a[bestJ].iCursor);
105331     notReady &= ~getMask(pWC->pMaskSet, pTabItem->iCursor);