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Viewing changes to codeigniter/system/database/drivers/oci8/oci8_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 

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codeigniter/system/database/drivers/oci8/oci8_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
 * Oracle Forge Class
 
20
 *
 
21
 * @category    Database
 
22
 * @author              ExpressionEngine Dev Team
 
23
 * @link                http://codeigniter.com/user_guide/database/
 
24
 */
 
25
class CI_DB_oci8_forge extends CI_DB_forge {
 
26
 
 
27
        /**
 
28
         * Create database
 
29
         *
 
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         * @access      public
 
31
         * @param       string  the database name
 
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         * @return      bool
 
33
         */
 
34
        function _create_database($name)
 
35
        {
 
36
                return FALSE;
 
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        }
 
38
 
 
39
        // --------------------------------------------------------------------
 
40
 
 
41
        /**
 
42
         * Drop database
 
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         *
 
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         * @access      private
 
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         * @param       string  the database name
 
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         * @return      bool
 
47
         */
 
48
        function _drop_database($name)
 
49
        {
 
50
                return FALSE;
 
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        }
 
52
 
 
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        // --------------------------------------------------------------------
 
54
 
 
55
        /**
 
56
         * Create Table
 
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         *
 
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         * @access      private
 
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         * @param       string  the table name
 
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         * @param       array   the fields
 
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         * @param       mixed   primary key(s)
 
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         * @param       mixed   key(s)
 
63
         * @param       boolean should 'IF NOT EXISTS' be added to the SQL
 
64
         * @return      bool
 
65
         */
 
66
        function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
 
67
        {
 
68
                $sql = 'CREATE TABLE ';
 
69
 
 
70
                if ($if_not_exists === TRUE)
 
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                {
 
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                        $sql .= 'IF NOT EXISTS ';
 
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                }
 
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                $sql .= $this->db->_escape_identifiers($table)." (";
 
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                $current_field_count = 0;
 
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                foreach ($fields as $field=>$attributes)
 
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                {
 
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                        // Numeric field names aren't allowed in databases, so if the key is
 
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                        // numeric, we know it was assigned by PHP and the developer manually
 
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                        // entered the field information, so we'll simply add it to the list
 
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                        if (is_numeric($field))
 
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                        {
 
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                                $sql .= "\n\t$attributes";
 
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                        }
 
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                        else
 
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                        {
 
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                                $attributes = array_change_key_case($attributes, CASE_UPPER);
 
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                                $sql .= "\n\t".$this->db->_protect_identifiers($field);
 
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                                $sql .=  ' '.$attributes['TYPE'];
 
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                                if (array_key_exists('CONSTRAINT', $attributes))
 
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                                {
 
97
                                        $sql .= '('.$attributes['CONSTRAINT'].')';
 
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                                }
 
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                                if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
 
101
                                {
 
102
                                        $sql .= ' UNSIGNED';
 
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                                }
 
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                                if (array_key_exists('DEFAULT', $attributes))
 
106
                                {
 
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                                        $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
 
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                                }
 
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                                if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
 
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                                {
 
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                                        $sql .= ' NULL';
 
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                                }
 
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                                else
 
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                                {
 
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                                        $sql .= ' NOT NULL';
 
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                                }
 
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                                if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
 
120
                                {
 
121
                                        $sql .= ' AUTO_INCREMENT';
 
122
                                }
 
123
                        }
 
124
 
 
125
                        // don't add a comma on the end of the last field
 
126
                        if (++$current_field_count < count($fields))
 
127
                        {
 
128
                                $sql .= ',';
 
129
                        }
 
130
                }
 
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                if (count($primary_keys) > 0)
 
133
                {
 
134
                        $primary_keys = $this->db->_protect_identifiers($primary_keys);
 
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                        $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
 
136
                }
 
137
 
 
138
                if (is_array($keys) && count($keys) > 0)
 
139
                {
 
140
                        foreach ($keys as $key)
 
141
                        {
 
142
                                if (is_array($key))
 
143
                                {
 
144
                                        $key = $this->db->_protect_identifiers($key);
 
145
                                }
 
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                                else
 
147
                                {
 
148
                                        $key = array($this->db->_protect_identifiers($key));
 
149
                                }
 
150
 
 
151
                                $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
 
152
                        }
 
153
                }
 
154
 
 
155
                $sql .= "\n)";
 
156
 
 
157
                return $sql;
 
158
        }
 
159
 
 
160
        // --------------------------------------------------------------------
 
161
 
 
162
        /**
 
163
         * Drop Table
 
164
         *
 
165
         * @access      private
 
166
         * @return      bool
 
167
         */
 
168
        function _drop_table($table)
 
169
        {
 
170
                return FALSE;
 
171
        }
 
172
 
 
173
        // --------------------------------------------------------------------
 
174
 
 
175
        /**
 
176
         * Alter table query
 
177
         *
 
178
         * Generates a platform-specific query so that a table can be altered
 
179
         * Called by add_column(), drop_column(), and column_alter(),
 
180
         *
 
181
         * @access      private
 
182
         * @param       string  the ALTER type (ADD, DROP, CHANGE)
 
183
         * @param       string  the column name
 
184
         * @param       string  the table name
 
185
         * @param       string  the column definition
 
186
         * @param       string  the default value
 
187
         * @param       boolean should 'NOT NULL' be added
 
188
         * @param       string  the field after which we should add the new field
 
189
         * @return      object
 
190
         */
 
191
        function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
 
192
        {
 
193
                $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
 
194
 
 
195
                // DROP has everything it needs now.
 
196
                if ($alter_type == 'DROP')
 
197
                {
 
198
                        return $sql;
 
199
                }
 
200
 
 
201
                $sql .= " $column_definition";
 
202
 
 
203
                if ($default_value != '')
 
204
                {
 
205
                        $sql .= " DEFAULT \"$default_value\"";
 
206
                }
 
207
 
 
208
                if ($null === NULL)
 
209
                {
 
210
                        $sql .= ' NULL';
 
211
                }
 
212
                else
 
213
                {
 
214
                        $sql .= ' NOT NULL';
 
215
                }
 
216
 
 
217
                if ($after_field != '')
 
218
                {
 
219
                        $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
 
220
                }
 
221
 
 
222
                return $sql;
 
223
 
 
224
        }
 
225
 
 
226
        // --------------------------------------------------------------------
 
227
 
 
228
        /**
 
229
         * Rename a table
 
230
         *
 
231
         * Generates a platform-specific query so that a table can be renamed
 
232
         *
 
233
         * @access      private
 
234
         * @param       string  the old table name
 
235
         * @param       string  the new table name
 
236
         * @return      string
 
237
         */
 
238
        function _rename_table($table_name, $new_table_name)
 
239
        {
 
240
                $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
 
241
                return $sql;
 
242
        }
 
243
 
 
244
 
 
245
}
 
246
 
 
247
/* End of file oci8_forge.php */
 
248
/* Location: ./system/database/drivers/oci8/oci8_forge.php */
 
 
b'\\ No newline at end of file'