diff options
Diffstat (limited to 'system/database/drivers/postgre/postgre_driver.php')
| -rw-r--r-- | system/database/drivers/postgre/postgre_driver.php | 103 |
1 files changed, 43 insertions, 60 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 50f096b5d..df0f50da5 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -149,28 +149,41 @@ class CI_DB_postgre_driver extends CI_DB { /** * Set client character set * - * @access public - * @param string - * @param string - * @return resource + * @param string + * @return bool */ - function db_set_charset($charset, $collation) + protected function _db_set_charset($charset) { - // @todo - add support if needed - return TRUE; + return (pg_set_client_encoding($this->conn_id, $charset) === 0); } // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($pg_version = pg_version($this->conn_id)) === FALSE) + { + return FALSE; + } + + /* If PHP was compiled with PostgreSQL lib versions earlier + * than 7.4, pg_version() won't return the server version + * and so we'll have to fall back to running a query in + * order to get it. + */ + return isset($pg_version['server']) + ? $this->data_cache['version'] = $pg_version['server'] + : parent::version(); } // -------------------------------------------------------------------- @@ -209,18 +222,12 @@ class CI_DB_postgre_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -228,9 +235,9 @@ class CI_DB_postgre_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); - return @pg_exec($this->conn_id, "begin"); + return @pg_query($this->conn_id, 'BEGIN'); } // -------------------------------------------------------------------- @@ -238,23 +245,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "commit"); + return @pg_query($this->conn_id, 'COMMIT'); } // -------------------------------------------------------------------- @@ -262,23 +263,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "rollback"); + return @pg_query($this->conn_id, 'ROLLBACK'); } // -------------------------------------------------------------------- @@ -339,8 +334,7 @@ class CI_DB_postgre_driver extends CI_DB { */ function insert_id() { - $v = $this->_version(); - $v = $v['server']; + $v = $this->version(); $table = func_num_args() > 0 ? func_get_arg(0) : NULL; $column = func_num_args() > 1 ? func_get_arg(1) : NULL; @@ -459,27 +453,16 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return pg_last_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return ''; + return array('code' => '', 'message' => pg_last_error($this->conn_id)); } // -------------------------------------------------------------------- @@ -712,4 +695,4 @@ class CI_DB_postgre_driver extends CI_DB { /* End of file postgre_driver.php */ -/* Location: ./system/database/drivers/postgre/postgre_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_driver.php */ |