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Handle expressions like "expr IS TRUE COLLATE xyz" in the same way as "expr IS TRUE". Fix for [4d01eda8115b10d1].

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FossilOrigin-Name: 5c6146b56a75a94f4baa10e95407c54dd0b9314a57a8702a4b96b15c4d7ac48c
This commit is contained in:
dan
2019-06-12 13:49:32 +00:00
parent a7d6db6ac0
commit 6ece353f2d
6 changed files with 29 additions and 14 deletions
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4
src/resolve.c
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@@ -930,11 +930,11 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
}
case TK_IS:
case TK_ISNOT: {
Expr *pRight;
Expr *pRight = sqlite3ExprSkipCollate(pExpr->pRight);
assert( !ExprHasProperty(pExpr, EP_Reduced) );
/* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE",
** and "x IS NOT FALSE". */
if( (pRight = pExpr->pRight)->op==TK_ID ){
if( pRight->op==TK_ID ){
int rc = resolveExprStep(pWalker, pRight);
if( rc==WRC_Abort ) return WRC_Abort;
if( pRight->op==TK_TRUEFALSE ){