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Use sqlite3ParserAddCleanup() rather than pParse->pConstExpr to implement

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sqlite3ExprDeferredDelete().  This is a better solution than check-in 
[c538d07535092722].

FossilOrigin-Name: 2a6f6971fa010219323b976ff53b2606e39fb43fd36c394837c3a8528bf3c425
This commit is contained in:
drh
2022-07-23 00:44:44 +00:00
parent 825fa17b1f
commit ee6b80c3b5
3 changed files with 10 additions and 10 deletions
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6
src/expr.c
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@@ -1270,8 +1270,9 @@ void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){
** pExpr to the pParse->pConstExpr list with a register number of 0.
*/
void sqlite3ExprDeferredDelete(Parse *pParse, Expr *pExpr){
pParse->pConstExpr =
sqlite3ExprListAppend(pParse, pParse->pConstExpr, pExpr);
sqlite3ParserAddCleanup(pParse,
(void(*)(sqlite3*,void*))sqlite3ExprDelete,
pExpr);
}
/* Invoke sqlite3RenameExprUnmap() and sqlite3ExprDelete() on the
@@ -4207,7 +4208,6 @@ expr_code_doover:
int n;
const char *z;
char *zBlob;
if( pParse->nErr ) return target;
assert( !ExprHasProperty(pExpr, EP_IntValue) );
assert( pExpr->u.zToken[0]=='x' || pExpr->u.zToken[0]=='X' );
assert( pExpr->u.zToken[1]=='\'' );