c585ec5ed6
This will allow for replacing the limit-and-offset queries with queries that page in a sensible manner. Bug: T59176 Change-Id: If5c137f68496772f3fff3a735b7b0c388426e518
133 lines
5.4 KiB
PHP
133 lines
5.4 KiB
PHP
<?php
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/**
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* Microsoft SQL Server-specific installer.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Deployment
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*/
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/**
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* Class for setting up the MediaWiki database using Microsoft SQL Server.
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*
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* @ingroup Deployment
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* @since 1.23
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*/
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class MssqlUpdater extends DatabaseUpdater {
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/**
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* @var DatabaseMssql
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*/
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protected $db;
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protected function getCoreUpdateList() {
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return [
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// 1.23
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[ 'addField', 'mwuser', 'user_password_expires', 'patch-user_password_expires.sql' ],
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// 1.24
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[ 'addField', 'page', 'page_lang', 'patch-page_page_lang.sql' ],
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// 1.25
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[ 'dropTable', 'hitcounter' ],
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[ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
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[ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
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// scripts were updated in 1.27 due to SQL errors; retaining old updatekeys so that people
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// updating from 1.23->1.25->1.27 do not execute these scripts twice even though the
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// updatekeys no longer make sense as they are.
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[ 'updateSchema', 'categorylinks', 'cl_type-category_types-ck',
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'patch-categorylinks-constraints.sql' ],
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[ 'updateSchema', 'filearchive', 'fa_major_mime-major_mime-ck',
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'patch-filearchive-constraints.sql' ],
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[ 'updateSchema', 'oldimage', 'oi_major_mime-major_mime-ck',
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'patch-oldimage-constraints.sql' ],
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[ 'updateSchema', 'image', 'img_major_mime-major_mime-ck', 'patch-image-constraints.sql' ],
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[ 'updateSchema', 'uploadstash', 'us_media_type-media_type-ck',
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'patch-uploadstash-constraints.sql' ],
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[ 'modifyField', 'image', 'img_major_mime',
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'patch-img_major_mime-chemical.sql' ],
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[ 'modifyField', 'oldimage', 'oi_major_mime',
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'patch-oi_major_mime-chemical.sql' ],
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[ 'modifyField', 'filearchive', 'fa_major_mime',
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'patch-fa_major_mime-chemical.sql' ],
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// 1.27
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[ 'dropTable', 'msg_resource_links' ],
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[ 'dropTable', 'msg_resource' ],
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[ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
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[ 'dropField', 'mwuser', 'user_options', 'patch-drop-user_options.sql' ],
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[ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
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[ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
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[ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
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[ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
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[ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
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[ 'addIndex', 'categorylinks', 'cl_collation_ext',
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'patch-add-cl_collation_ext_index.sql' ],
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[ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
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[ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
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[ 'updateSchema', 'oldimage', 'oldimage varchar', 'patch-oldimage-schema.sql' ],
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[ 'updateSchema', 'filearchive', 'filearchive varchar', 'patch-filearchive-schema.sql' ],
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[ 'updateSchema', 'image', 'image varchar', 'patch-image-schema.sql' ],
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[ 'updateSchema', 'recentchanges', 'recentchanges-drop-fks',
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'patch-recentchanges-drop-fks.sql' ],
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[ 'updateSchema', 'logging', 'logging-drop-fks', 'patch-logging-drop-fks.sql' ],
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[ 'updateSchema', 'archive', 'archive-drop-fks', 'patch-archive-drop-fks.sql' ],
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// 1.28
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[ 'addIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
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'patch-add-rc_name_type_patrolled_timestamp_index.sql' ],
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[ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
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[ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
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// 1.29
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[ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
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];
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}
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protected function applyPatch( $path, $isFullPath = false, $msg = null ) {
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$prevScroll = $this->db->scrollableCursor( false );
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$prevPrep = $this->db->prepareStatements( false );
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parent::applyPatch( $path, $isFullPath, $msg );
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$this->db->scrollableCursor( $prevScroll );
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$this->db->prepareStatements( $prevPrep );
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}
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/**
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* General schema update for a table that touches more than one field or requires
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* destructive actions (such as dropping and recreating the table).
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*
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* @param string $table
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* @param string $updatekey
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* @param string $patch
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* @param bool $fullpath
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*/
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protected function updateSchema( $table, $updatekey, $patch, $fullpath = false ) {
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if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
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$this->output( "...$table table does not exist, skipping schema update patch.\n" );
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} elseif ( $this->updateRowExists( $updatekey ) ) {
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$this->output( "...$table already had schema updated by $patch.\n" );
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} else {
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$this->insertUpdateRow( $updatekey );
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return $this->applyPatch( $patch, $fullpath, "Updating schema of table $table" );
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}
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return true;
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}
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}
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