diff options
Diffstat (limited to 'system/database/DB_driver.php')
| -rw-r--r-- | system/database/DB_driver.php | 104 |
1 files changed, 63 insertions, 41 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 12ab5bb2a..dd93abc11 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -2,26 +2,37 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.2.4 or newer + * An open source application development framework for PHP * - * NOTICE OF LICENSE + * This content is released under the MIT License (MIT) * - * Licensed under the Open Software License version 3.0 + * Copyright (c) 2014 - 2015, British Columbia Institute of Technology * - * This source file is subject to the Open Software License (OSL 3.0) that is - * bundled with this package in the files license.txt / license.rst. It is - * also available through the world wide web at this URL: - * http://opensource.org/licenses/OSL-3.0 - * If you did not receive a copy of the license and are unable to obtain it - * through the world wide web, please send an email to - * licensing@ellislab.com so we can send you a copy immediately. + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: * - * @package CodeIgniter - * @author EllisLab Dev Team + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * @package CodeIgniter + * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, 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 + * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/) + * @license http://opensource.org/licenses/MIT MIT License + * @link http://codeigniter.com + * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); @@ -370,7 +381,7 @@ abstract class CI_DB_driver { } } - log_message('debug', 'Database Driver Class Initialized'); + log_message('info', 'Database Driver Class Initialized'); } // -------------------------------------------------------------------- @@ -445,9 +456,23 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** + * DB connect + * + * This is just a dummy method that all drivers will override. + * + * @return mixed + */ + public function db_connect() + { + return TRUE; + } + + // -------------------------------------------------------------------- + + /** * Persistent database connection * - * @return resource + * @return mixed */ public function db_pconnect() { @@ -922,7 +947,12 @@ abstract class CI_DB_driver { do { $c--; - $sql = substr_replace($sql, $this->escape($binds[$c]), $matches[0][$c][1], $ml); + $escaped_value = $this->escape($binds[$c]); + if (is_array($escaped_value)) + { + $escaped_value = '('.implode(',', $escaped_value).')'; + } + $sql = substr_replace($sql, $escaped_value, $matches[0][$c][1], $ml); } while ($c !== 0); @@ -948,7 +978,7 @@ abstract class CI_DB_driver { * Calculate the aggregate query elapsed time * * @param int The number of decimal places - * @return int + * @return string */ public function elapsed_time($decimals = 6) { @@ -992,7 +1022,12 @@ abstract class CI_DB_driver { */ public function escape($str) { - if (is_string($str) OR (is_object($str) && method_exists($str, '__toString'))) + if (is_array($str)) + { + $str = array_map(array(&$this, 'escape'), $str); + return $str; + } + elseif (is_string($str) OR (is_object($str) && method_exists($str, '__toString'))) { return "'".$this->escape_str($str)."'"; } @@ -1013,7 +1048,7 @@ abstract class CI_DB_driver { /** * Escape String * - * @param string $str + * @param string|string[] $str Input string * @param bool $like Whether or not the string will be used in a LIKE condition * @return string */ @@ -1081,10 +1116,10 @@ abstract class CI_DB_driver { * Retrieves the primary key. It assumes that the row in the first * position is the primary key * - * @param string the table name + * @param string $table Table name * @return string */ - public function primary($table = '') + public function primary($table) { $fields = $this->list_fields($table); return is_array($fields) ? current($fields) : FALSE; @@ -1195,7 +1230,7 @@ abstract class CI_DB_driver { * @param string the table name * @return array */ - public function list_fields($table = '') + public function list_fields($table) { // Is there a cached result? if (isset($this->data_cache['field_names'][$table])) @@ -1203,11 +1238,6 @@ abstract class CI_DB_driver { return $this->data_cache['field_names'][$table]; } - if ($table === '') - { - return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; - } - if (FALSE === ($sql = $this->_list_columns($table))) { return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; @@ -1261,18 +1291,13 @@ abstract class CI_DB_driver { /** * Returns an object with field data * - * @param string the table name - * @return object + * @param string $table the table name + * @return array */ - public function field_data($table = '') + public function field_data($table) { - if ($table === '') - { - return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; - } - $query = $this->query($this->_field_data($this->protect_identifiers($table, TRUE, NULL, FALSE))); - return $query->field_data(); + return ($query) ? $query->field_data() : FALSE; } // -------------------------------------------------------------------- @@ -1881,6 +1906,3 @@ abstract class CI_DB_driver { } } - -/* End of file DB_driver.php */ -/* Location: ./system/database/DB_driver.php */
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