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Merge in the Expr.flags expansion to 32-bits. Use an extra bit to help

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optimize the sqlite3ExprSkipCollate() routine.

FossilOrigin-Name: 4c84d1b4c20f18921dd705bf67e8225975b83e86
This commit is contained in:
drh
2013-09-12 17:29:25 +00:00
parent 7d9e7d8287 c5cd124900
commit a4c3c87e3d
12 changed files with 313 additions and 116 deletions
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9
src/resolve.c
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@@ -107,6 +107,7 @@ static void resolveAlias(
incrAggFunctionDepth(pDup, nSubquery);
pDup = sqlite3PExpr(pParse, TK_AS, pDup, 0, 0);
if( pDup==0 ) return;
ExprSetProperty(pDup, EP_Skip);
if( pEList->a[iCol].iAlias==0 ){
pEList->a[iCol].iAlias = (u16)(++pParse->nAlias);
}
@@ -129,7 +130,7 @@ static void resolveAlias(
if( !ExprHasProperty(pExpr, EP_IntValue) && pExpr->u.zToken!=0 ){
assert( (pExpr->flags & (EP_Reduced|EP_TokenOnly))==0 );
pExpr->u.zToken = sqlite3DbStrDup(db, pExpr->u.zToken);
pExpr->flags2 |= EP2_MallocedToken;
pExpr->flags |= EP_MemToken;
}
sqlite3DbFree(db, pDup);
}
@@ -229,7 +230,7 @@ static int lookupName(
assert( pNC ); /* the name context cannot be NULL. */
assert( zCol ); /* The Z in X.Y.Z cannot be NULL */
assert( !ExprHasAnyProperty(pExpr, EP_TokenOnly|EP_Reduced) );
assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) );
/* Initialize the node to no-match */
pExpr->iTable = -1;
@@ -604,7 +605,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
pParse = pNC->pParse;
assert( pParse==pWalker->pParse );
if( ExprHasAnyProperty(pExpr, EP_Resolved) ) return WRC_Prune;
if( ExprHasProperty(pExpr, EP_Resolved) ) return WRC_Prune;
ExprSetProperty(pExpr, EP_Resolved);
#ifndef NDEBUG
if( pNC->pSrcList && pNC->pSrcList->nAlloc>0 ){
@@ -697,7 +698,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
}else{
is_agg = pDef->xFunc==0;
if( pDef->funcFlags & SQLITE_FUNC_UNLIKELY ){
ExprSetProperty(pExpr, EP_Hint);
ExprSetProperty(pExpr, EP_Unlikely|EP_Skip);
if( n==2 ){
pExpr->iTable = exprProbability(pList->a[1].pExpr);
if( pExpr->iTable<0 ){