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Diffstat (limited to 'system/database/drivers/mysql')
| -rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 6b4d84dfb..7262591ee 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -465,6 +465,26 @@ 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) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void |