diff options
Diffstat (limited to 'system/database/DB_query_builder.php')
| -rw-r--r-- | system/database/DB_query_builder.php | 98 |
1 files changed, 52 insertions, 46 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index f11f84627..c9377e082 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.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'); @@ -661,14 +672,9 @@ abstract class CI_DB_query_builder extends CI_DB_driver { // value appears not to have been set, assign the test to IS NULL $k .= ' IS NULL'; } - else + elseif (preg_match('/\s*(!?=|<>|IS(?:\s+NOT)?)\s*$/i', $k, $match, PREG_OFFSET_CAPTURE)) { - $operator = trim($this->_get_operator($k)); - - if ($operator === '<>' OR $operator === '!=') - { - $k = str_replace($operator, ' IS NOT NULL', $k); - } + $k = substr($k, 0, $match[0][1]).($match[1][0] === '=' ? ' IS NULL' : ' IS NOT NULL'); } $this->{$qb_key}[] = array('condition' => $prefix.$k.$v, 'escape' => $escape); @@ -1209,7 +1215,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * @param int $offset OFFSET value * @return CI_DB_query_builder */ - public function limit($value, $offset = FALSE) + public function limit($value, $offset = 0) { is_null($value) OR $this->qb_limit = (int) $value; empty($offset) OR $this->qb_offset = (int) $offset; @@ -2503,11 +2509,12 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * * Starts QB caching * - * @return void + * @return CI_DB_query_builder */ public function start_cache() { $this->qb_caching = TRUE; + return $this; } // -------------------------------------------------------------------- @@ -2517,11 +2524,12 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * * Stops QB caching * - * @return void + * @return CI_DB_query_builder */ public function stop_cache() { $this->qb_caching = FALSE; + return $this; } // -------------------------------------------------------------------- @@ -2531,7 +2539,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * * Empties the QB cache * - * @return void + * @return CI_DB_query_builder */ public function flush_cache() { @@ -2547,6 +2555,8 @@ abstract class CI_DB_query_builder extends CI_DB_driver { 'qb_cache_exists' => array(), 'qb_cache_no_escape' => array() )); + + return $this; } // -------------------------------------------------------------------- @@ -2640,12 +2650,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * * Publicly-visible method to reset the QB values. * - * @return void + * @return CI_DB_query_builder */ public function reset_query() { $this->_reset_select(); $this->_reset_write(); + return $this; } // -------------------------------------------------------------------- @@ -2674,20 +2685,19 @@ abstract class CI_DB_query_builder extends CI_DB_driver { protected function _reset_select() { $this->_reset_run(array( - 'qb_select' => array(), - 'qb_from' => array(), - 'qb_join' => array(), - 'qb_where' => array(), - 'qb_groupby' => array(), - 'qb_having' => array(), - 'qb_orderby' => array(), - 'qb_aliased_tables' => array(), - 'qb_no_escape' => array(), - 'qb_distinct' => FALSE, - 'qb_limit' => FALSE, - 'qb_offset' => FALSE - ) - ); + 'qb_select' => array(), + 'qb_from' => array(), + 'qb_join' => array(), + 'qb_where' => array(), + 'qb_groupby' => array(), + 'qb_having' => array(), + 'qb_orderby' => array(), + 'qb_aliased_tables' => array(), + 'qb_no_escape' => array(), + 'qb_distinct' => FALSE, + 'qb_limit' => FALSE, + 'qb_offset' => FALSE + )); } // -------------------------------------------------------------------- @@ -2709,11 +2719,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { 'qb_orderby' => array(), 'qb_keys' => array(), 'qb_limit' => FALSE - ) - ); + )); } } - -/* End of file DB_query_builder.php */ -/* Location: ./system/database/DB_query_builder.php */
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