/lenasys/trunk

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/lenasys/trunk

« back to all changes in this revision

Viewing changes to codeigniter/system/database/drivers/odbc/odbc_forge.php

  • Committer: galaxyAbstractor
  • Date: 2013-04-10 15:49:32 UTC
  • mto: (19.1.5 lenasys)
  • mto: This revision was merged to the branch mainline in revision 23.
  • Revision ID: galaxyabstractor@gmail.com-20130410154932-4vizlzk0ar5gykvi
* Added an simple admin panel to the codeviewer-cmssy stuff
* Redesigned a bit like the mockups - still stuff to come
* Implemented the codeviewer + admin panel again using the Framework CodeIgniter instead 

Show diffs side-by-side

added added

removed removed

Lines of Context:
codeigniter/system/database/drivers/odbc/odbc_forge.php
 
1
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
2
/**
 
3
 * CodeIgniter
 
4
 *
 
5
 * An open source application development framework for PHP 5.1.6 or newer
 
6
 *
 
7
 * @package             CodeIgniter
 
8
 * @author              ExpressionEngine Dev Team
 
9
 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
 
10
 * @license             http://codeigniter.com/user_guide/license.html
 
11
 * @link                http://codeigniter.com
 
12
 * @since               Version 1.0
 
13
 * @filesource
 
14
 */
 
15
 
 
16
// ------------------------------------------------------------------------
 
17
 
 
18
/**
 
19
 * ODBC Forge Class
 
20
 *
 
21
 * @category    Database
 
22
 * @author              ExpressionEngine Dev Team
 
23
 * @link                http://codeigniter.com/database/
 
24
 */
 
25
class CI_DB_odbc_forge extends CI_DB_forge {
 
26
 
 
27
        /**
 
28
         * Create database
 
29
         *
 
30
         * @access      private
 
31
         * @param       string  the database name
 
32
         * @return      bool
 
33
         */
 
34
        function _create_database()
 
35
        {
 
36
                // ODBC has no "create database" command since it's
 
37
                // designed to connect to an existing database
 
38
                if ($this->db->db_debug)
 
39
                {
 
40
                        return $this->db->display_error('db_unsuported_feature');
 
41
                }
 
42
                return FALSE;
 
43
        }
 
44
 
 
45
        // --------------------------------------------------------------------
 
46
 
 
47
        /**
 
48
         * Drop database
 
49
         *
 
50
         * @access      private
 
51
         * @param       string  the database name
 
52
         * @return      bool
 
53
         */
 
54
        function _drop_database($name)
 
55
        {
 
56
                // ODBC has no "drop database" command since it's
 
57
                // designed to connect to an existing database
 
58
                if ($this->db->db_debug)
 
59
                {
 
60
                        return $this->db->display_error('db_unsuported_feature');
 
61
                }
 
62
                return FALSE;
 
63
        }
 
64
 
 
65
        // --------------------------------------------------------------------
 
66
 
 
67
        /**
 
68
         * Create Table
 
69
         *
 
70
         * @access      private
 
71
         * @param       string  the table name
 
72
         * @param       array   the fields
 
73
         * @param       mixed   primary key(s)
 
74
         * @param       mixed   key(s)
 
75
         * @param       boolean should 'IF NOT EXISTS' be added to the SQL
 
76
         * @return      bool
 
77
         */
 
78
        function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
 
79
        {
 
80
                $sql = 'CREATE TABLE ';
 
81
 
 
82
                if ($if_not_exists === TRUE)
 
83
                {
 
84
                        $sql .= 'IF NOT EXISTS ';
 
85
                }
 
86
 
 
87
                $sql .= $this->db->_escape_identifiers($table)." (";
 
88
                $current_field_count = 0;
 
89
 
 
90
                foreach ($fields as $field=>$attributes)
 
91
                {
 
92
                        // Numeric field names aren't allowed in databases, so if the key is
 
93
                        // numeric, we know it was assigned by PHP and the developer manually
 
94
                        // entered the field information, so we'll simply add it to the list
 
95
                        if (is_numeric($field))
 
96
                        {
 
97
                                $sql .= "\n\t$attributes";
 
98
                        }
 
99
                        else
 
100
                        {
 
101
                                $attributes = array_change_key_case($attributes, CASE_UPPER);
 
102
 
 
103
                                $sql .= "\n\t".$this->db->_protect_identifiers($field);
 
104
 
 
105
                                $sql .=  ' '.$attributes['TYPE'];
 
106
 
 
107
                                if (array_key_exists('CONSTRAINT', $attributes))
 
108
                                {
 
109
                                        $sql .= '('.$attributes['CONSTRAINT'].')';
 
110
                                }
 
111
 
 
112
                                if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
 
113
                                {
 
114
                                        $sql .= ' UNSIGNED';
 
115
                                }
 
116
 
 
117
                                if (array_key_exists('DEFAULT', $attributes))
 
118
                                {
 
119
                                        $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
 
120
                                }
 
121
 
 
122
                                if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
 
123
                                {
 
124
                                        $sql .= ' NULL';
 
125
                                }
 
126
                                else
 
127
                                {
 
128
                                        $sql .= ' NOT NULL';
 
129
                                }
 
130
 
 
131
                                if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
 
132
                                {
 
133
                                        $sql .= ' AUTO_INCREMENT';
 
134
                                }
 
135
                        }
 
136
 
 
137
                        // don't add a comma on the end of the last field
 
138
                        if (++$current_field_count < count($fields))
 
139
                        {
 
140
                                $sql .= ',';
 
141
                        }
 
142
                }
 
143
 
 
144
                if (count($primary_keys) > 0)
 
145
                {
 
146
                        $primary_keys = $this->db->_protect_identifiers($primary_keys);
 
147
                        $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
 
148
                }
 
149
 
 
150
                if (is_array($keys) && count($keys) > 0)
 
151
                {
 
152
                        foreach ($keys as $key)
 
153
                        {
 
154
                                if (is_array($key))
 
155
                                {
 
156
                                        $key = $this->db->_protect_identifiers($key);
 
157
                                }
 
158
                                else
 
159
                                {
 
160
                                        $key = array($this->db->_protect_identifiers($key));
 
161
                                }
 
162
 
 
163
                                $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
 
164
                        }
 
165
                }
 
166
 
 
167
                $sql .= "\n)";
 
168
 
 
169
                return $sql;
 
170
        }
 
171
 
 
172
        // --------------------------------------------------------------------
 
173
 
 
174
        /**
 
175
         * Drop Table
 
176
         *
 
177
         * @access      private
 
178
         * @return      bool
 
179
         */
 
180
        function _drop_table($table)
 
181
        {
 
182
                // Not a supported ODBC feature
 
183
                if ($this->db->db_debug)
 
184
                {
 
185
                        return $this->db->display_error('db_unsuported_feature');
 
186
                }
 
187
                return FALSE;
 
188
        }
 
189
 
 
190
        // --------------------------------------------------------------------
 
191
 
 
192
        /**
 
193
         * Alter table query
 
194
         *
 
195
         * Generates a platform-specific query so that a table can be altered
 
196
         * Called by add_column(), drop_column(), and column_alter(),
 
197
         *
 
198
         * @access      private
 
199
         * @param       string  the ALTER type (ADD, DROP, CHANGE)
 
200
         * @param       string  the column name
 
201
         * @param       string  the table name
 
202
         * @param       string  the column definition
 
203
         * @param       string  the default value
 
204
         * @param       boolean should 'NOT NULL' be added
 
205
         * @param       string  the field after which we should add the new field
 
206
         * @return      object
 
207
         */
 
208
        function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
 
209
        {
 
210
                $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
 
211
 
 
212
                // DROP has everything it needs now.
 
213
                if ($alter_type == 'DROP')
 
214
                {
 
215
                        return $sql;
 
216
                }
 
217
 
 
218
                $sql .= " $column_definition";
 
219
 
 
220
                if ($default_value != '')
 
221
                {
 
222
                        $sql .= " DEFAULT \"$default_value\"";
 
223
                }
 
224
 
 
225
                if ($null === NULL)
 
226
                {
 
227
                        $sql .= ' NULL';
 
228
                }
 
229
                else
 
230
                {
 
231
                        $sql .= ' NOT NULL';
 
232
                }
 
233
 
 
234
                if ($after_field != '')
 
235
                {
 
236
                        $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
 
237
                }
 
238
 
 
239
                return $sql;
 
240
 
 
241
        }
 
242
 
 
243
 
 
244
        // --------------------------------------------------------------------
 
245
 
 
246
        /**
 
247
         * Rename a table
 
248
         *
 
249
         * Generates a platform-specific query so that a table can be renamed
 
250
         *
 
251
         * @access      private
 
252
         * @param       string  the old table name
 
253
         * @param       string  the new table name
 
254
         * @return      string
 
255
         */
 
256
        function _rename_table($table_name, $new_table_name)
 
257
        {
 
258
                $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
 
259
                return $sql;
 
260
        }
 
261
 
 
262
 
 
263
}
 
264
 
 
265
/* End of file odbc_forge.php */
 
266
/* Location: ./system/database/drivers/odbc/odbc_forge.php */
 
 
b'\\ No newline at end of file'