Change so that deleting an Expr structure requires only one frame per level in the expression tree, not two.
FossilOrigin-Name: a4380ab326e4b0de29271c824d041193e86b7139
diff --git a/src/expr.c b/src/expr.c
index 5254cd7..aee2b74 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -627,11 +627,10 @@
}
/*
-** Clear an expression structure without deleting the structure itself.
-** Substructure is deleted.
+** Recursively delete an expression tree.
*/
-void sqlite3ExprClear(sqlite3 *db, Expr *p){
- assert( p!=0 );
+void sqlite3ExprDelete(sqlite3 *db, Expr *p){
+ if( p==0 ) return;
if( !ExprHasAnyProperty(p, EP_TokenOnly) ){
sqlite3ExprDelete(db, p->pLeft);
sqlite3ExprDelete(db, p->pRight);
@@ -644,14 +643,6 @@
sqlite3ExprListDelete(db, p->x.pList);
}
}
-}
-
-/*
-** Recursively delete an expression tree.
-*/
-void sqlite3ExprDelete(sqlite3 *db, Expr *p){
- if( p==0 ) return;
- sqlite3ExprClear(db, p);
if( !ExprHasProperty(p, EP_Static) ){
sqlite3DbFree(db, p);
}