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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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src/where.c
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@@ -689,7 +689,7 @@ static int whereClauseInsert(WhereClause *pWC, Expr *p, u8 wtFlags){
pWC->nSlot = sqlite3DbMallocSize(db, pWC->a)/sizeof(pWC->a[0]);
}
pTerm = &pWC->a[idx = pWC->nTerm++];
if( p && ExprHasAnyProperty(p, EP_Hint) ){
if( p && ExprHasProperty(p, EP_Unlikely) ){
pTerm->truthProb = whereCost(p->iTable) - 99;
}else{
pTerm->truthProb = -1;