impl: Notify statements that have not been executed using errorInfo().

Author: KentarouTakeda

ext/pdo_pgsql/pgsql_statement.c

@@ -715,6 +715,7 @@ static int pgsql_stmt_get_attr(pdo_stmt_t *stmt, zend_long attr, zval *val)
 			if(stmt->executed) {
 				ZVAL_LONG(val, PQresultMemorySize(S->result));
 			} else {
+				pdo_pgsql_error_stmt_msg(stmt, 0, "HY000", "statement has not been executed yet");
 				ZVAL_NULL(val);
 			}
 			return 1;

ext/pdo_pgsql/tests/result_memory_size.phpt

@@ -35,8 +35,12 @@ $statement = $db->prepare('select 1');
 $result_3 = $statement->getAttribute(PDO::PGSQL_ATTR_RESULT_MEMORY_SIZE);
 var_dump($result_3);
 
+echo 'and should emit Error: ';
+printf("%s: %d: %s\n", ...$statement->errorInfo());
+
 --EXPECTF--
 Result set with only 1 row: int(%d)
 Result set with many rows: int(%d)
 Large result sets should require more memory than small ones: bool(true)
 Statements that are not executed should not consume memory: NULL
+and should emit Error: HY000: 0: statement has not been executed yet