| 68 |
lars |
1 |
<?php
|
|
|
2 |
/**
|
|
|
3 |
* CodeIgniter
|
|
|
4 |
*
|
|
|
5 |
* An open source application development framework for PHP
|
|
|
6 |
*
|
|
|
7 |
* This content is released under the MIT License (MIT)
|
|
|
8 |
*
|
| 2414 |
lars |
9 |
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
|
| 68 |
lars |
10 |
*
|
|
|
11 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
12 |
* of this software and associated documentation files (the "Software"), to deal
|
|
|
13 |
* in the Software without restriction, including without limitation the rights
|
|
|
14 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
15 |
* copies of the Software, and to permit persons to whom the Software is
|
|
|
16 |
* furnished to do so, subject to the following conditions:
|
|
|
17 |
*
|
|
|
18 |
* The above copyright notice and this permission notice shall be included in
|
|
|
19 |
* all copies or substantial portions of the Software.
|
|
|
20 |
*
|
|
|
21 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
22 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
23 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
24 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
25 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
26 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
27 |
* THE SOFTWARE.
|
|
|
28 |
*
|
|
|
29 |
* @package CodeIgniter
|
|
|
30 |
* @author EllisLab Dev Team
|
|
|
31 |
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
|
| 2414 |
lars |
32 |
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
|
|
|
33 |
* @license https://opensource.org/licenses/MIT MIT License
|
| 68 |
lars |
34 |
* @link https://codeigniter.com
|
|
|
35 |
* @since Version 3.0.0
|
|
|
36 |
* @filesource
|
|
|
37 |
*/
|
|
|
38 |
defined('BASEPATH') OR exit('No direct script access allowed');
|
|
|
39 |
|
|
|
40 |
/**
|
|
|
41 |
* PDO IBM DB2 Forge Class
|
|
|
42 |
*
|
|
|
43 |
* @category Database
|
|
|
44 |
* @author EllisLab Dev Team
|
|
|
45 |
* @link https://codeigniter.com/user_guide/database/
|
|
|
46 |
*/
|
|
|
47 |
class CI_DB_pdo_ibm_forge extends CI_DB_pdo_forge {
|
|
|
48 |
|
|
|
49 |
/**
|
|
|
50 |
* RENAME TABLE IF statement
|
|
|
51 |
*
|
|
|
52 |
* @var string
|
|
|
53 |
*/
|
|
|
54 |
protected $_rename_table = 'RENAME TABLE %s TO %s';
|
|
|
55 |
|
|
|
56 |
/**
|
|
|
57 |
* UNSIGNED support
|
|
|
58 |
*
|
|
|
59 |
* @var array
|
|
|
60 |
*/
|
|
|
61 |
protected $_unsigned = array(
|
|
|
62 |
'SMALLINT' => 'INTEGER',
|
|
|
63 |
'INT' => 'BIGINT',
|
|
|
64 |
'INTEGER' => 'BIGINT'
|
|
|
65 |
);
|
|
|
66 |
|
|
|
67 |
/**
|
|
|
68 |
* DEFAULT value representation in CREATE/ALTER TABLE statements
|
|
|
69 |
*
|
|
|
70 |
* @var string
|
|
|
71 |
*/
|
|
|
72 |
protected $_default = FALSE;
|
|
|
73 |
|
|
|
74 |
// --------------------------------------------------------------------
|
|
|
75 |
|
|
|
76 |
/**
|
|
|
77 |
* ALTER TABLE
|
|
|
78 |
*
|
|
|
79 |
* @param string $alter_type ALTER type
|
|
|
80 |
* @param string $table Table name
|
|
|
81 |
* @param mixed $field Column definition
|
|
|
82 |
* @return string|string[]
|
|
|
83 |
*/
|
|
|
84 |
protected function _alter_table($alter_type, $table, $field)
|
|
|
85 |
{
|
|
|
86 |
if ($alter_type === 'CHANGE')
|
|
|
87 |
{
|
|
|
88 |
$alter_type = 'MODIFY';
|
|
|
89 |
}
|
|
|
90 |
|
|
|
91 |
return parent::_alter_table($alter_type, $table, $field);
|
|
|
92 |
}
|
|
|
93 |
|
|
|
94 |
// --------------------------------------------------------------------
|
|
|
95 |
|
|
|
96 |
/**
|
|
|
97 |
* Field attribute TYPE
|
|
|
98 |
*
|
|
|
99 |
* Performs a data type mapping between different databases.
|
|
|
100 |
*
|
|
|
101 |
* @param array &$attributes
|
|
|
102 |
* @return void
|
|
|
103 |
*/
|
|
|
104 |
protected function _attr_type(&$attributes)
|
|
|
105 |
{
|
|
|
106 |
switch (strtoupper($attributes['TYPE']))
|
|
|
107 |
{
|
|
|
108 |
case 'TINYINT':
|
|
|
109 |
$attributes['TYPE'] = 'SMALLINT';
|
|
|
110 |
$attributes['UNSIGNED'] = FALSE;
|
|
|
111 |
return;
|
|
|
112 |
case 'MEDIUMINT':
|
|
|
113 |
$attributes['TYPE'] = 'INTEGER';
|
|
|
114 |
$attributes['UNSIGNED'] = FALSE;
|
|
|
115 |
return;
|
|
|
116 |
default: return;
|
|
|
117 |
}
|
|
|
118 |
}
|
|
|
119 |
|
|
|
120 |
// --------------------------------------------------------------------
|
|
|
121 |
|
|
|
122 |
/**
|
|
|
123 |
* Field attribute UNIQUE
|
|
|
124 |
*
|
|
|
125 |
* @param array &$attributes
|
|
|
126 |
* @param array &$field
|
|
|
127 |
* @return void
|
|
|
128 |
*/
|
|
|
129 |
protected function _attr_unique(&$attributes, &$field)
|
|
|
130 |
{
|
|
|
131 |
if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
|
|
|
132 |
{
|
|
|
133 |
$field['unique'] = ' UNIQUE';
|
|
|
134 |
|
|
|
135 |
// UNIQUE must be used with NOT NULL
|
|
|
136 |
$field['null'] = ' NOT NULL';
|
|
|
137 |
}
|
|
|
138 |
}
|
|
|
139 |
|
|
|
140 |
// --------------------------------------------------------------------
|
|
|
141 |
|
|
|
142 |
/**
|
|
|
143 |
* Field attribute AUTO_INCREMENT
|
|
|
144 |
*
|
|
|
145 |
* @param array &$attributes
|
|
|
146 |
* @param array &$field
|
|
|
147 |
* @return void
|
|
|
148 |
*/
|
|
|
149 |
protected function _attr_auto_increment(&$attributes, &$field)
|
|
|
150 |
{
|
|
|
151 |
// Not supported
|
|
|
152 |
}
|
|
|
153 |
|
|
|
154 |
}
|