install/convert_database_charset.php

   1 <?php
   2 /*=====================================================================*\
   3 || ###################################################################
   4 || # Bugdar [#]version[#]
   5 || # Copyright ©2002-[#]year[#] Blue Static
   6 || #
   7 || # This program is free software; you can redistribute it and/or modify
   8 || # it under the terms of the GNU General Public License as published by
   9 || # the Free Software Foundation; version [#]gpl[#] of the License.
  10 || #
  11 || # This program is distributed in the hope that it will be useful, but
  12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14 || # more details.
  15 || #
  16 || # You should have received a copy of the GNU General Public License along
  17 || # with this program; if not, write to the Free Software Foundation, Inc.,
  18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  19 || ###################################################################
  20 \*=====================================================================*/
  21
  22 define('SVN', '$Id$');
  23
  24 chdir('../admin/');
  25 require_once('./global.php');
  26
  27 define('ISSO_PRINTER_NO_NAVIGATION', 1);
  28
  29 // you can change what you want to conver to here
  30 define('TARGET', 'utf8_general_ci');
  31
  32 $bugsys->input_clean('step', TYPE_UINT);
  33
  34 // ###################################################################
  35
  36 function PrintContinue($step)
  37 {
  38         global $admin;
  39
  40         $admin->form_start('convert_database_charset.php', 'convert');
  41         $admin->form_hidden_field('step', $step);
  42         echo "\n<input type=\"submit\" value=\"  Continue &#8594;  \" name=\"__submit__\" />";
  43         $admin->form_end();
  44 }
  45
  46 $admin->page_start('Convert Database Character Set');
  47
  48 // ###################################################################
  49
  50 if ($bugsys->in['step'] == 0)
  51 {
  52         $collation = $db->query_first("SHOW VARIABLES LIKE 'collation_database'");
  53
  54         echo '<h1>Convert Database Character Set</h1>';
  55         echo '<p>Earlier versions of Bugdar did not check or enforce the MySQL database character set or collation. It is recommended that the database be set at <strong>' . TARGET . '</strong>. This script can migrate all of data from your current character set/collation of <strong>' . $collation['Value'] . '</strong>. If you would like to convert your database to utf8, please click the link below.</p>';
  56
  57         echo '<h3>Please back up your database before continuing! While this script is tested and should be safe, it is better to be cautious.</h3>';
  58
  59         PrintContinue(1);
  60 }
  61
  62 // ###################################################################
  63
  64 else if ($bugsys->in['step'] == 1)
  65 {
  66         echo '<h1>Convert Database Character Set</h1>';
  67         echo '<p>This step changes the database\'s character set.</p>';
  68
  69         require './includes/config.php';
  70         $db->query("ALTER DATABASE $database COLLATE " . TARGET);
  71
  72         PrintContinue(2);
  73 }
  74
  75 // ###################################################################
  76
  77 else if ($bugsys->in['step'] == 2)
  78 {
  79         echo '<h1>Convert Table Character Set</h1>';
  80         echo '<p>This converts each table\'s character set and collation.</p>';
  81
  82         $admin->table_start();
  83         $admin->table_head('Table Conversion');
  84         $admin->table_column_head(array('Table Name', 'Result'));
  85
  86         $tables = $db->query("SHOW TABLES");
  87         while ($table = $db->fetch_array($tables, false))
  88         {
  89                 $db->query("ALTER TABLE $table[0] COLLATE " . TARGET);
  90                 $admin->row_text($table[0], 'Good');
  91         }
  92
  93         $admin->table_end();
  94
  95         PrintContinue(3);
  96 }
  97
  98 // ###################################################################
  99
 100 else if ($bugsys->in['step'] == 3)
 101 {
 102         echo '<h1>Convert Table Columns</h1>';
 103         echo '<p>This converts all the table columns that are stored with a character set.</p>';
 104
 105         $admin->table_start();
 106         $admin->table_head('Column Conversion');
 107         $admin->table_column_head(array('Table', 'Column'));
 108
 109         $tables = $db->query("SHOW TABLES");
 110         while ($table = $db->fetch_array($tables, false))
 111         {
 112                 $columns = $db->query("SHOW FULL COLUMNS FROM $table[0]");
 113                 while ($col = $db->fetch_array($columns))
 114                 {
 115                         if (!is_null($col['Collation']))
 116                         {
 117                                 $db->query("ALTER TABLE $table[0] MODIFY $col[Field] $col[Type] COLLATE " . TARGET);
 118                                 $admin->row_text($table[0], $col['Field']);
 119                         }
 120                 }
 121         }
 122
 123         $admin->table_end();
 124
 125         PrintContinue(4);
 126 }
 127
 128 // ###################################################################
 129
 130 else if ($bugsys->in['step'] == 4)
 131 {
 132         echo '<h1>Conversion Complete</h1>';
 133         echo '<p>Your database has now been converted to the <strong>' . TARGET . '</strong> collation. Congratulations. Please check that everything is operating correctly.</p>';
 134 }
 135
 136 // ###################################################################
 137
 138 $admin->page_end();
 139
 140 /*=====================================================================*\
 141 || ###################################################################
 142 || # $HeadURL$
 143 || # $Id$
 144 || ###################################################################
 145 \*=====================================================================*/
 146 ?>