diff options
Diffstat (limited to 'system/database/drivers')
5 files changed, 100 insertions, 0 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 28724e0e8..8faa15bcf 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -429,6 +429,26 @@ class CI_DB_cubrid_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(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 6b4d84dfb..98311872b 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -465,6 +465,26 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 0) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 14949ecda..291ad16f2 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -475,6 +475,26 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 0) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php index eb3714783..788274ad7 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php @@ -179,6 +179,26 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver { return 'TRUNCATE '.$table; } + // -------------------------------------------------------------------- + + /** + * 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(', ', $this->qb_from); + } + } /* End of file pdo_cubrid_driver.php */ diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php index b6807026d..698826636 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php @@ -207,6 +207,26 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { return 'TRUNCATE '.$table; } + // -------------------------------------------------------------------- + + /** + * 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); + } + } /* End of file pdo_mysql_driver.php */ |