From 7eaa14f144f9aeab8fc388b6bed3390e5f815508 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Tue, 9 Oct 2012 11:34:01 +0300 Subject: Alter fix for issue #1257 --- system/database/drivers/mysql/mysql_driver.php | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 6b4d84dfb..98311872b 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -464,6 +464,26 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- + /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 0) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + /** * Close DB Connection * -- cgit v1.2.3-24-g4f1b