includes/installer/MssqlUpdater.php

   1 <?php
   2 /**
   3  * Microsoft SQL Server-specific installer.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Deployment
  22  */
  23
  24 /**
  25  * Class for setting up the MediaWiki database using Microsoft SQL Server.
  26  *
  27  * @ingroup Deployment
  28  * @since 1.23
  29  */
  30
  31 class MssqlUpdater extends DatabaseUpdater {
  32
  33         /**
  34          * @var DatabaseMssql
  35          */
  36         protected $db;
  37
  38         protected function getCoreUpdateList() {
  39                 return [
  40                         // 1.23
  41                         [ 'addField', 'mwuser', 'user_password_expires', 'patch-user_password_expires.sql' ],
  42
  43                         // 1.24
  44                         [ 'addField', 'page', 'page_lang', 'patch-page_page_lang.sql' ],
  45
  46                         // 1.25
  47                         [ 'dropTable', 'hitcounter' ],
  48                         [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
  49                         [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
  50                         // scripts were updated in 1.27 due to SQL errors; retaining old updatekeys so that people
  51                         // updating from 1.23->1.25->1.27 do not execute these scripts twice even though the
  52                         // updatekeys no longer make sense as they are.
  53                         [ 'updateSchema', 'categorylinks', 'cl_type-category_types-ck',
  54                                 'patch-categorylinks-constraints.sql' ],
  55                         [ 'updateSchema', 'filearchive', 'fa_major_mime-major_mime-ck',
  56                                 'patch-filearchive-constraints.sql' ],
  57                         [ 'updateSchema', 'oldimage', 'oi_major_mime-major_mime-ck',
  58                                 'patch-oldimage-constraints.sql' ],
  59                         [ 'updateSchema', 'image', 'img_major_mime-major_mime-ck', 'patch-image-constraints.sql' ],
  60                         [ 'updateSchema', 'uploadstash', 'us_media_type-media_type-ck',
  61                                 'patch-uploadstash-constraints.sql' ],
  62
  63                         [ 'modifyField', 'image', 'img_major_mime',
  64                                 'patch-img_major_mime-chemical.sql' ],
  65                         [ 'modifyField', 'oldimage', 'oi_major_mime',
  66                                 'patch-oi_major_mime-chemical.sql' ],
  67                         [ 'modifyField', 'filearchive', 'fa_major_mime',
  68                                 'patch-fa_major_mime-chemical.sql' ],
  69
  70                         // 1.27
  71                         [ 'dropTable', 'msg_resource_links' ],
  72                         [ 'dropTable', 'msg_resource' ],
  73                         [ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
  74                         [ 'dropField', 'mwuser', 'user_options', 'patch-drop-user_options.sql' ],
  75                         [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
  76                         [ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
  77                         [ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
  78                         [ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
  79                         [ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
  80                         [ 'addIndex', 'categorylinks', 'cl_collation_ext',
  81                                 'patch-add-cl_collation_ext_index.sql' ],
  82                         [ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
  83                         [ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
  84                         [ 'updateSchema', 'oldimage', 'oldimage varchar', 'patch-oldimage-schema.sql' ],
  85                         [ 'updateSchema', 'filearchive', 'filearchive varchar', 'patch-filearchive-schema.sql' ],
  86                         [ 'updateSchema', 'image', 'image varchar', 'patch-image-schema.sql' ],
  87                         [ 'updateSchema', 'recentchanges', 'recentchanges-drop-fks',
  88                                 'patch-recentchanges-drop-fks.sql' ],
  89                         [ 'updateSchema', 'logging', 'logging-drop-fks', 'patch-logging-drop-fks.sql' ],
  90                         [ 'updateSchema', 'archive', 'archive-drop-fks', 'patch-archive-drop-fks.sql' ]
  91                 ];
  92         }
  93
  94         protected function applyPatch( $path, $isFullPath = false, $msg = null ) {
  95                 $prevScroll = $this->db->scrollableCursor( false );
  96                 $prevPrep = $this->db->prepareStatements( false );
  97                 parent::applyPatch( $path, $isFullPath, $msg );
  98                 $this->db->scrollableCursor( $prevScroll );
  99                 $this->db->prepareStatements( $prevPrep );
 100         }
 101
 102         /**
 103          * General schema update for a table that touches more than one field or requires
 104          * destructive actions (such as dropping and recreating the table).
 105          *
 106          * @param string $table
 107          * @param string $updatekey
 108          * @param string $patch
 109          * @param bool $fullpath
 110          */
 111         protected function updateSchema( $table, $updatekey, $patch, $fullpath = false ) {
 112                 if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
 113                         $this->output( "...$table table does not exist, skipping schema update patch.\n" );
 114                 } elseif ( $this->updateRowExists( $updatekey ) ) {
 115                         $this->output( "...$table already had schema updated by $patch.\n" );
 116                 } else {
 117                         $this->insertUpdateRow( $updatekey );
 118
 119                         return $this->applyPatch( $patch, $fullpath, "Updating schema of table $table" );
 120                 }
 121
 122                 return true;
 123         }
 124 }