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227 lines
5.6 KiB
227 lines
5.6 KiB
<?php |
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/** |
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* CodeIgniter |
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* |
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* An open source application development framework for PHP |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2014 - 2016, British Columbia Institute of Technology |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @package CodeIgniter |
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* @author EllisLab Dev Team |
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) |
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* @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/) |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://codeigniter.com |
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* @since Version 2.1.0 |
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* @filesource |
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*/ |
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defined('BASEPATH') OR exit('No direct script access allowed'); |
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/** |
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* CUBRID Forge Class |
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* |
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* @category Database |
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* @author Esen Sagynov |
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* @link https://codeigniter.com/user_guide/database/ |
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*/ |
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class CI_DB_cubrid_forge extends CI_DB_forge { |
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/** |
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* CREATE DATABASE statement |
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* |
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* @var string |
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*/ |
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protected $_create_database = FALSE; |
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/** |
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* CREATE TABLE keys flag |
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* |
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* Whether table keys are created from within the |
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* CREATE TABLE statement. |
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* |
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* @var bool |
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*/ |
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protected $_create_table_keys = TRUE; |
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/** |
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* DROP DATABASE statement |
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* |
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* @var string |
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*/ |
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protected $_drop_database = FALSE; |
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/** |
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* CREATE TABLE IF statement |
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* |
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* @var string |
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*/ |
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protected $_create_table_if = FALSE; |
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/** |
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* UNSIGNED support |
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* |
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* @var array |
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*/ |
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protected $_unsigned = array( |
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'SHORT' => 'INTEGER', |
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'SMALLINT' => 'INTEGER', |
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'INT' => 'BIGINT', |
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'INTEGER' => 'BIGINT', |
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'BIGINT' => 'NUMERIC', |
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'FLOAT' => 'DOUBLE', |
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'REAL' => 'DOUBLE' |
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); |
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// -------------------------------------------------------------------- |
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/** |
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* ALTER TABLE |
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* |
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* @param string $alter_type ALTER type |
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* @param string $table Table name |
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* @param mixed $field Column definition |
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* @return string|string[] |
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*/ |
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protected function _alter_table($alter_type, $table, $field) |
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{ |
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if (in_array($alter_type, array('DROP', 'ADD'), TRUE)) |
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{ |
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return parent::_alter_table($alter_type, $table, $field); |
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} |
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$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table); |
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$sqls = array(); |
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for ($i = 0, $c = count($field); $i < $c; $i++) |
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{ |
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if ($field[$i]['_literal'] !== FALSE) |
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{ |
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$sqls[] = $sql.' CHANGE '.$field[$i]['_literal']; |
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} |
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else |
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{ |
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$alter_type = empty($field[$i]['new_name']) ? ' MODIFY ' : ' CHANGE '; |
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$sqls[] = $sql.$alter_type.$this->_process_column($field[$i]); |
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} |
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} |
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return $sqls; |
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} |
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// -------------------------------------------------------------------- |
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/** |
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* Process column |
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* |
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* @param array $field |
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* @return string |
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*/ |
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protected function _process_column($field) |
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{ |
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$extra_clause = isset($field['after']) |
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? ' AFTER '.$this->db->escape_identifiers($field['after']) : ''; |
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if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE) |
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{ |
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$extra_clause = ' FIRST'; |
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} |
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return $this->db->escape_identifiers($field['name']) |
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.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name'])) |
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.' '.$field['type'].$field['length'] |
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.$field['unsigned'] |
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.$field['null'] |
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.$field['default'] |
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.$field['auto_increment'] |
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.$field['unique'] |
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.$extra_clause; |
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} |
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// -------------------------------------------------------------------- |
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/** |
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* Field attribute TYPE |
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* |
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* Performs a data type mapping between different databases. |
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* |
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* @param array &$attributes |
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* @return void |
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*/ |
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protected function _attr_type(&$attributes) |
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{ |
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switch (strtoupper($attributes['TYPE'])) |
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{ |
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case 'TINYINT': |
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$attributes['TYPE'] = 'SMALLINT'; |
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$attributes['UNSIGNED'] = FALSE; |
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return; |
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case 'MEDIUMINT': |
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$attributes['TYPE'] = 'INTEGER'; |
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$attributes['UNSIGNED'] = FALSE; |
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return; |
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default: return; |
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} |
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} |
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// -------------------------------------------------------------------- |
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/** |
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* Process indexes |
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* |
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* @param string $table (ignored) |
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* @return string |
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*/ |
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protected function _process_indexes($table) |
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{ |
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$sql = ''; |
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for ($i = 0, $c = count($this->keys); $i < $c; $i++) |
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{ |
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if (is_array($this->keys[$i])) |
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{ |
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for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++) |
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{ |
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if ( ! isset($this->fields[$this->keys[$i][$i2]])) |
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{ |
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unset($this->keys[$i][$i2]); |
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continue; |
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} |
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} |
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} |
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elseif ( ! isset($this->fields[$this->keys[$i]])) |
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{ |
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unset($this->keys[$i]); |
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continue; |
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} |
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is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]); |
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$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i])) |
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.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')'; |
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} |
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$this->keys = array(); |
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return $sql; |
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} |
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}
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