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-rw-r--r--src/select.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/select.c b/src/select.c
index 5df43cbab..42be8554b 100644
--- a/src/select.c
+++ b/src/select.c
@@ -5021,16 +5021,18 @@ static struct Cte *searchWith(
**
** This routine pushes the WITH clause passed as the second argument
** onto the top of the stack. If argument bFree is true, then this
-** WITH clause will never be popped from the stack. In this case it
-** should be freed along with the Parse object. In other cases, when
+** WITH clause will never be popped from the stack but should instead
+** be freed along with the Parse object. In other cases, when
** bFree==0, the With object will be freed along with the SELECT
** statement with which it is associated.
*/
void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){
if( pWith ){
- assert( pParse->pWith!=pWith );
- pWith->pOuter = pParse->pWith;
- pParse->pWith = pWith;
+ if( pParse->nErr==0 ){
+ assert( pParse->pWith!=pWith );
+ pWith->pOuter = pParse->pWith;
+ pParse->pWith = pWith;
+ }
if( bFree ){
sqlite3ParserAddCleanup(pParse,
(void(*)(sqlite3*,void*))sqlite3WithDelete,