From c78e56a7df140ee777ffc67687877f3e70c77e28 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 8 Jun 2012 02:12:07 +0300 Subject: Add a default _from_tables() method to CI_DB_query_builder and remove it from most of the drivers --- system/database/DB_query_builder.php | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'system/database/DB_query_builder.php') diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index 7a0ea0c30..3ed556212 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -1474,6 +1474,24 @@ abstract class CI_DB_query_builder extends CI_DB_driver { // -------------------------------------------------------------------- + /** + * From Tables + * + * This public function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @param array + * @return string + */ + protected function _from_tables($tables) + { + is_array($tables) OR $tables = array($tables); + + return (count($tables) === 1) ? $tables[0] : '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + /** * Get UPDATE query string * -- cgit v1.2.3-24-g4f1b