diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 02866f363d6..17844a3a480 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -1505,7 +1505,6 @@ contain_leaked_vars_walker(Node *node, void *context) case T_Var: case T_Const: case T_Param: - case T_ArrayRef: case T_ArrayExpr: case T_FieldSelect: case T_FieldStore: @@ -1544,6 +1543,23 @@ contain_leaked_vars_walker(Node *node, void *context) return true; break; + case T_ArrayRef: + { + ArrayRef *aref = (ArrayRef *) node; + + /* + * array assignment is leaky, but subscripted fetches + * are not + */ + if (aref->refassgnexpr != NULL) + { + /* Node is leaky, so reject if it contains Vars */ + if (contain_var_clause(node)) + return true; + } + } + break; + case T_RowCompareExpr: { /* |