diff options
Diffstat (limited to 'system/database/DB_driver.php')
| -rw-r--r-- | system/database/DB_driver.php | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 8ab5d762e..a213d5cba 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2017, British Columbia Institute of Technology + * Copyright (c) 2014 - 2019, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -29,8 +29,8 @@ * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) - * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) - * @license http://opensource.org/licenses/MIT MIT License + * @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/) + * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource @@ -48,7 +48,7 @@ defined('BASEPATH') OR exit('No direct script access allowed'); * @subpackage Drivers * @category Database * @author EllisLab Dev Team - * @link https://codeigniter.com/user_guide/database/ + * @link https://codeigniter.com/userguide3/database/ */ abstract class CI_DB_driver { @@ -142,7 +142,7 @@ abstract class CI_DB_driver { * * @var int */ - public $port = ''; + public $port = NULL; /** * Persistent connection flag @@ -829,6 +829,18 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** + * Returns TRUE if a transaction is currently active + * + * @return bool + */ + public function trans_active() + { + return (bool) $this->_trans_depth; + } + + // -------------------------------------------------------------------- + + /** * Begin Transaction * * @param bool $test_mode @@ -1246,19 +1258,13 @@ abstract class CI_DB_driver { */ public function list_fields($table) { - // Is there a cached result? - if (isset($this->data_cache['field_names'][$table])) - { - return $this->data_cache['field_names'][$table]; - } - if (FALSE === ($sql = $this->_list_columns($table))) { return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; } $query = $this->query($sql); - $this->data_cache['field_names'][$table] = array(); + $fields = array(); foreach ($query->result_array() as $row) { @@ -1280,10 +1286,10 @@ abstract class CI_DB_driver { } } - $this->data_cache['field_names'][$table][] = $row[$key]; + $fields[] = $row[$key]; } - return $this->data_cache['field_names'][$table]; + return $fields; } // -------------------------------------------------------------------- @@ -1469,7 +1475,7 @@ abstract class CI_DB_driver { return 'UPDATE '.$table.' SET '.implode(', ', $valstr) .$this->_compile_wh('qb_where') .$this->_compile_order_by() - .($this->qb_limit ? ' LIMIT '.$this->qb_limit : ''); + .($this->qb_limit !== FALSE ? ' LIMIT '.$this->qb_limit : ''); } // -------------------------------------------------------------------- |