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Make sure the affinity and datatype of sub-subqueries are initialized

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prior to subqueries as the latter relies on the former.

FossilOrigin-Name: 39b4e6ff9316cc78ea88349091e195b8104d1e9e
This commit is contained in:
drh
2013-04-25 00:57:10 +00:00
parent ed17167e1d
commit aa87f9a68b
8 changed files with 53 additions and 16 deletions
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3
src/expr.c
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@@ -1214,6 +1214,7 @@ static int selectNodeIsConstant(Walker *pWalker, Select *NotUsed){
}
static int exprIsConst(Expr *p, int initFlag){
Walker w;
memset(&w, 0, sizeof(w));
w.u.i = initFlag;
w.xExprCallback = exprNodeIsConstant;
w.xSelectCallback = selectNodeIsConstant;
@@ -3428,8 +3429,8 @@ void sqlite3ExprCodeConstants(Parse *pParse, Expr *pExpr){
Walker w;
if( pParse->cookieGoto ) return;
if( OptimizationDisabled(pParse->db, SQLITE_FactorOutConst) ) return;
memset(&w, 0, sizeof(w));
w.xExprCallback = evalConstExpr;
w.xSelectCallback = 0;
w.pParse = pParse;
sqlite3WalkExpr(&w, pExpr);
}