3 * MySQL-specific updater.
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.
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.
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
23 use Wikimedia\Rdbms\MySQLField
;
24 use Wikimedia\Rdbms\IDatabase
;
25 use MediaWiki\MediaWikiServices
;
28 * Mysql update list and mysql-specific update functions.
33 class MysqlUpdater
extends DatabaseUpdater
{
34 protected function getCoreUpdateList() {
36 [ 'disableContentHandlerUseDB' ],
39 [ 'addField', 'ipblocks', 'ipb_id', 'patch-ipblocks.sql' ],
40 [ 'addField', 'ipblocks', 'ipb_expiry', 'patch-ipb_expiry.sql' ],
41 [ 'doInterwikiUpdate' ],
43 [ 'addField', 'recentchanges', 'rc_type', 'patch-rc_type.sql' ],
44 [ 'addIndex', 'recentchanges', 'new_name_timestamp', 'patch-rc-newindex.sql' ],
47 [ 'addField', 'user', 'user_real_name', 'patch-user-realname.sql' ],
48 [ 'addTable', 'querycache', 'patch-querycache.sql' ],
49 [ 'addTable', 'objectcache', 'patch-objectcache.sql' ],
50 [ 'addTable', 'categorylinks', 'patch-categorylinks.sql' ],
51 [ 'doOldLinksUpdate' ],
52 [ 'doFixAncientImagelinks' ],
53 [ 'addField', 'recentchanges', 'rc_ip', 'patch-rc_ip.sql' ],
56 [ 'addIndex', 'image', 'PRIMARY', 'patch-image_name_primary.sql' ],
57 [ 'addField', 'recentchanges', 'rc_id', 'patch-rc_id.sql' ],
58 [ 'addField', 'recentchanges', 'rc_patrolled', 'patch-rc-patrol.sql' ],
59 [ 'addTable', 'logging', 'patch-logging.sql' ],
60 [ 'addField', 'user', 'user_token', 'patch-user_token.sql' ],
61 [ 'addField', 'watchlist', 'wl_notificationtimestamp', 'patch-email-notification.sql' ],
62 [ 'doWatchlistUpdate' ],
63 [ 'dropField', 'user', 'user_emailauthenticationtimestamp',
64 'patch-email-authentication.sql' ],
67 [ 'doSchemaRestructuring' ],
68 [ 'addField', 'logging', 'log_params', 'patch-log_params.sql' ],
69 [ 'checkBin', 'logging', 'log_title', 'patch-logging-title.sql', ],
70 [ 'addField', 'archive', 'ar_rev_id', 'patch-archive-rev_id.sql' ],
71 [ 'addField', 'page', 'page_len', 'patch-page_len.sql' ],
72 [ 'dropField', 'revision', 'inverse_timestamp', 'patch-inverse_timestamp.sql' ],
73 [ 'addField', 'revision', 'rev_text_id', 'patch-rev_text_id.sql' ],
74 [ 'addField', 'revision', 'rev_deleted', 'patch-rev_deleted.sql' ],
75 [ 'addField', 'image', 'img_width', 'patch-img_width.sql' ],
76 [ 'addField', 'image', 'img_metadata', 'patch-img_metadata.sql' ],
77 [ 'addField', 'user', 'user_email_token', 'patch-user_email_token.sql' ],
78 [ 'addField', 'archive', 'ar_text_id', 'patch-archive-text_id.sql' ],
79 [ 'doNamespaceSize' ],
80 [ 'addField', 'image', 'img_media_type', 'patch-img_media_type.sql' ],
81 [ 'doPagelinksUpdate' ],
82 [ 'dropField', 'image', 'img_type', 'patch-drop_img_type.sql' ],
83 [ 'doUserUniqueUpdate' ],
84 [ 'doUserGroupsUpdate' ],
85 [ 'addField', 'site_stats', 'ss_total_pages', 'patch-ss_total_articles.sql' ],
86 [ 'addTable', 'user_newtalk', 'patch-usernewtalk.sql' ],
87 [ 'addTable', 'transcache', 'patch-transcache.sql' ],
88 [ 'addField', 'interwiki', 'iw_trans', 'patch-interwiki-trans.sql' ],
91 [ 'doWatchlistNull' ],
92 [ 'addIndex', 'logging', 'times', 'patch-logging-times-index.sql' ],
93 [ 'addField', 'ipblocks', 'ipb_range_start', 'patch-ipb_range_start.sql' ],
94 [ 'doPageRandomUpdate' ],
95 [ 'addField', 'user', 'user_registration', 'patch-user_registration.sql' ],
96 [ 'doTemplatelinksUpdate' ],
97 [ 'addTable', 'externallinks', 'patch-externallinks.sql' ],
98 [ 'addTable', 'job', 'patch-job.sql' ],
99 [ 'addField', 'site_stats', 'ss_images', 'patch-ss_images.sql' ],
100 [ 'addTable', 'langlinks', 'patch-langlinks.sql' ],
101 [ 'addTable', 'querycache_info', 'patch-querycacheinfo.sql' ],
102 [ 'addTable', 'filearchive', 'patch-filearchive.sql' ],
103 [ 'addField', 'ipblocks', 'ipb_anon_only', 'patch-ipb_anon_only.sql' ],
104 [ 'addIndex', 'recentchanges', 'rc_ns_usertext', 'patch-recentchanges-utindex.sql' ],
105 [ 'addIndex', 'recentchanges', 'rc_user_text', 'patch-rc_user_text-index.sql' ],
108 [ 'addField', 'user', 'user_newpass_time', 'patch-user_newpass_time.sql' ],
109 [ 'addTable', 'redirect', 'patch-redirect.sql' ],
110 [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
111 [ 'addField', 'ipblocks', 'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ],
112 [ 'doBacklinkingIndicesUpdate' ],
113 [ 'addField', 'recentchanges', 'rc_old_len', 'patch-rc_len.sql' ],
114 [ 'addField', 'user', 'user_editcount', 'patch-user_editcount.sql' ],
117 [ 'doRestrictionsUpdate' ],
118 [ 'addField', 'logging', 'log_id', 'patch-log_id.sql' ],
119 [ 'addField', 'revision', 'rev_parent_id', 'patch-rev_parent_id.sql' ],
120 [ 'addField', 'page_restrictions', 'pr_id', 'patch-page_restrictions_sortkey.sql' ],
121 [ 'addField', 'revision', 'rev_len', 'patch-rev_len.sql' ],
122 [ 'addField', 'recentchanges', 'rc_deleted', 'patch-rc_deleted.sql' ],
123 [ 'addField', 'logging', 'log_deleted', 'patch-log_deleted.sql' ],
124 [ 'addField', 'archive', 'ar_deleted', 'patch-ar_deleted.sql' ],
125 [ 'addField', 'ipblocks', 'ipb_deleted', 'patch-ipb_deleted.sql' ],
126 [ 'addField', 'filearchive', 'fa_deleted', 'patch-fa_deleted.sql' ],
127 [ 'addField', 'archive', 'ar_len', 'patch-ar_len.sql' ],
130 [ 'addField', 'ipblocks', 'ipb_block_email', 'patch-ipb_emailban.sql' ],
131 [ 'doCategorylinksIndicesUpdate' ],
132 [ 'addField', 'oldimage', 'oi_metadata', 'patch-oi_metadata.sql' ],
133 [ 'addIndex', 'archive', 'usertext_timestamp', 'patch-archive-user-index.sql' ],
134 [ 'addIndex', 'image', 'img_usertext_timestamp', 'patch-image-user-index.sql' ],
135 [ 'addIndex', 'oldimage', 'oi_usertext_timestamp', 'patch-oldimage-user-index.sql' ],
136 [ 'addField', 'archive', 'ar_page_id', 'patch-archive-page_id.sql' ],
137 [ 'addField', 'image', 'img_sha1', 'patch-img_sha1.sql' ],
140 [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
143 [ 'addField', 'ipblocks', 'ipb_by_text', 'patch-ipb_by_text.sql' ],
144 [ 'addTable', 'page_props', 'patch-page_props.sql' ],
145 [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
146 [ 'addTable', 'category', 'patch-category.sql' ],
147 [ 'doCategoryPopulation' ],
148 [ 'addField', 'archive', 'ar_parent_id', 'patch-ar_parent_id.sql' ],
149 [ 'addField', 'user_newtalk', 'user_last_timestamp', 'patch-user_last_timestamp.sql' ],
150 [ 'doPopulateParentId' ],
151 [ 'checkBin', 'protected_titles', 'pt_title', 'patch-pt_title-encoding.sql', ],
152 [ 'doMaybeProfilingMemoryUpdate' ],
153 [ 'doFilearchiveIndicesUpdate' ],
156 [ 'addField', 'site_stats', 'ss_active_users', 'patch-ss_active_users.sql' ],
157 [ 'doActiveUsersInit' ],
158 [ 'addField', 'ipblocks', 'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ],
161 [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
162 [ 'addTable', 'tag_summary', 'patch-tag_summary.sql' ],
163 [ 'addTable', 'valid_tag', 'patch-valid_tag.sql' ],
166 [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
167 [ 'addTable', 'log_search', 'patch-log_search.sql' ],
168 [ 'addField', 'logging', 'log_user_text', 'patch-log_user_text.sql' ],
169 # listed separately from the previous update because 1.16 was released without this update
170 [ 'doLogUsertextPopulation' ],
171 [ 'doLogSearchPopulation' ],
172 [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
173 [ 'addIndex', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ],
174 [ 'addField', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ],
175 [ 'doUpdateTranscacheField' ],
176 [ 'doUpdateMimeMinorField' ],
179 [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
180 [ 'addIndex', 'iwlinks', 'iwl_prefix_title_from', 'patch-rename-iwl_prefix.sql' ],
181 [ 'addField', 'updatelog', 'ul_value', 'patch-ul_value.sql' ],
182 [ 'addField', 'interwiki', 'iw_api', 'patch-iw_api_and_wikiid.sql' ],
183 [ 'dropIndex', 'iwlinks', 'iwl_prefix', 'patch-kill-iwl_prefix.sql' ],
184 [ 'addField', 'categorylinks', 'cl_collation', 'patch-categorylinks-better-collation.sql' ],
185 [ 'doClFieldsUpdate' ],
186 [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
187 [ 'dropIndex', 'archive', 'ar_page_revid', 'patch-archive_kill_ar_page_revid.sql' ],
188 [ 'addIndex', 'archive', 'ar_revid', 'patch-archive_ar_revid.sql' ],
189 [ 'doLangLinksLengthUpdate' ],
192 [ 'doUserNewTalkTimestampNotNull' ],
193 [ 'addIndex', 'user', 'user_email', 'patch-user_email_index.sql' ],
194 [ 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ],
195 [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
196 [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
199 [ 'addIndex', 'logging', 'type_action', 'patch-logging-type-action-index.sql' ],
200 [ 'addField', 'revision', 'rev_sha1', 'patch-rev_sha1.sql' ],
201 [ 'doMigrateUserOptions' ],
202 [ 'dropField', 'user', 'user_options', 'patch-drop-user_options.sql' ],
203 [ 'addField', 'archive', 'ar_sha1', 'patch-ar_sha1.sql' ],
204 [ 'addIndex', 'page', 'page_redirect_namespace_len',
205 'patch-page_redirect_namespace_len.sql' ],
206 [ 'addField', 'uploadstash', 'us_chunk_inx', 'patch-uploadstash_chunk.sql' ],
207 [ 'addfield', 'job', 'job_timestamp', 'patch-jobs-add-timestamp.sql' ],
210 [ 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ],
211 [ 'addField', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id.sql' ],
212 [ 'addIndex', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id-index.sql' ],
213 [ 'dropField', 'category', 'cat_hidden', 'patch-cat_hidden.sql' ],
216 [ 'addField', 'revision', 'rev_content_format', 'patch-revision-rev_content_format.sql' ],
217 [ 'addField', 'revision', 'rev_content_model', 'patch-revision-rev_content_model.sql' ],
218 [ 'addField', 'archive', 'ar_content_format', 'patch-archive-ar_content_format.sql' ],
219 [ 'addField', 'archive', 'ar_content_model', 'patch-archive-ar_content_model.sql' ],
220 [ 'addField', 'page', 'page_content_model', 'patch-page-page_content_model.sql' ],
221 [ 'enableContentHandlerUseDB' ],
222 [ 'dropField', 'site_stats', 'ss_admins', 'patch-drop-ss_admins.sql' ],
223 [ 'dropField', 'recentchanges', 'rc_moved_to_title', 'patch-rc_moved.sql' ],
224 [ 'addTable', 'sites', 'patch-sites.sql' ],
225 [ 'addField', 'filearchive', 'fa_sha1', 'patch-fa_sha1.sql' ],
226 [ 'addField', 'job', 'job_token', 'patch-job_token.sql' ],
227 [ 'addField', 'job', 'job_attempts', 'patch-job_attempts.sql' ],
228 [ 'doEnableProfiling' ],
229 [ 'addField', 'uploadstash', 'us_props', 'patch-uploadstash-us_props.sql' ],
230 [ 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ],
231 [ 'modifyField', 'user_former_groups', 'ufg_group',
232 'patch-ufg_group-length-increase-255.sql' ],
233 [ 'addIndex', 'page_props', 'pp_propname_page',
234 'patch-page_props-propname-page-index.sql' ],
235 [ 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ],
238 [ 'doIwlinksIndexNonUnique' ],
239 [ 'addIndex', 'iwlinks', 'iwl_prefix_from_title',
240 'patch-iwlinks-from-title-index.sql' ],
241 [ 'addField', 'archive', 'ar_id', 'patch-archive-ar_id.sql' ],
242 [ 'addField', 'externallinks', 'el_id', 'patch-externallinks-el_id.sql' ],
245 [ 'addField', 'recentchanges', 'rc_source', 'patch-rc_source.sql' ],
246 [ 'addIndex', 'logging', 'log_user_text_type_time',
247 'patch-logging_user_text_type_time_index.sql' ],
248 [ 'addIndex', 'logging', 'log_user_text_time', 'patch-logging_user_text_time_index.sql' ],
249 [ 'addField', 'page', 'page_links_updated', 'patch-page_links_updated.sql' ],
250 [ 'addField', 'user', 'user_password_expires', 'patch-user_password_expire.sql' ],
253 [ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
254 [ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
255 [ 'addIndex', 'watchlist', 'wl_user_notificationtimestamp',
256 'patch-watchlist-user-notificationtimestamp-index.sql' ],
257 [ 'addField', 'page', 'page_lang', 'patch-page_lang.sql' ],
258 [ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
259 [ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
260 [ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
261 [ 'modifyField', 'image', 'img_major_mime',
262 'patch-img_major_mime-chemical.sql' ],
263 [ 'modifyField', 'oldimage', 'oi_major_mime',
264 'patch-oi_major_mime-chemical.sql' ],
265 [ 'modifyField', 'filearchive', 'fa_major_mime',
266 'patch-fa_major_mime-chemical.sql' ],
269 // note this patch covers other _comment and _description fields too
270 [ 'doExtendCommentLengths' ],
273 [ 'dropTable', 'hitcounter' ],
274 [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
275 [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
278 [ 'dropTable', 'msg_resource_links' ],
279 [ 'dropTable', 'msg_resource' ],
280 [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
281 [ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
282 [ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
283 [ 'addIndex', 'categorylinks', 'cl_collation_ext',
284 'patch-add-cl_collation_ext_index.sql' ],
285 [ 'doCollationUpdate' ],
288 [ 'addIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
289 'patch-add-rc_name_type_patrolled_timestamp_index.sql' ],
290 [ 'doRevisionPageRevIndexNonUnique' ],
291 [ 'doNonUniquePlTlIl' ],
292 [ 'addField', 'change_tag', 'ct_id', 'patch-change_tag-ct_id.sql' ],
293 [ 'addField', 'tag_summary', 'ts_id', 'patch-tag_summary-ts_id.sql' ],
294 [ 'modifyField', 'recentchanges', 'rc_ip', 'patch-rc_ip_modify.sql' ],
295 [ 'addIndex', 'archive', 'usertext_timestamp', 'patch-rename-ar_usertext_timestamp.sql' ],
298 [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
299 [ 'dropIndex', 'user_groups', 'ug_user_group', 'patch-user_groups-primary-key.sql' ],
300 [ 'addField', 'user_groups', 'ug_expiry', 'patch-user_groups-ug_expiry.sql' ],
301 [ 'addIndex', 'image', 'img_user_timestamp', 'patch-image-user-index-2.sql' ],
304 [ 'modifyField', 'image', 'img_media_type', 'patch-add-3d.sql' ],
305 [ 'addTable', 'ip_changes', 'patch-ip_changes.sql' ],
306 [ 'renameIndex', 'categorylinks', 'cl_from', 'PRIMARY', false,
307 'patch-categorylinks-fix-pk.sql' ],
308 [ 'renameIndex', 'templatelinks', 'tl_from', 'PRIMARY', false,
309 'patch-templatelinks-fix-pk.sql' ],
310 [ 'renameIndex', 'pagelinks', 'pl_from', 'PRIMARY', false, 'patch-pagelinks-fix-pk.sql' ],
311 [ 'renameIndex', 'text', 'old_id', 'PRIMARY', false, 'patch-text-fix-pk.sql' ],
312 [ 'renameIndex', 'imagelinks', 'il_from', 'PRIMARY', false, 'patch-imagelinks-fix-pk.sql' ],
313 [ 'renameIndex', 'iwlinks', 'iwl_from', 'PRIMARY', false, 'patch-iwlinks-fix-pk.sql' ],
314 [ 'renameIndex', 'langlinks', 'll_from', 'PRIMARY', false, 'patch-langlinks-fix-pk.sql' ],
315 [ 'renameIndex', 'log_search', 'ls_field_val', 'PRIMARY', false, 'patch-log_search-fix-pk.sql' ],
316 [ 'renameIndex', 'module_deps', 'md_module_skin', 'PRIMARY', false,
317 'patch-module_deps-fix-pk.sql' ],
318 [ 'renameIndex', 'objectcache', 'keyname', 'PRIMARY', false, 'patch-objectcache-fix-pk.sql' ],
319 [ 'renameIndex', 'querycache_info', 'qci_type', 'PRIMARY', false,
320 'patch-querycache_info-fix-pk.sql' ],
321 [ 'renameIndex', 'site_stats', 'ss_row_id', 'PRIMARY', false, 'patch-site_stats-fix-pk.sql' ],
322 [ 'renameIndex', 'transcache', 'tc_url_idx', 'PRIMARY', false, 'patch-transcache-fix-pk.sql' ],
323 [ 'renameIndex', 'user_former_groups', 'ufg_user_group', 'PRIMARY', false,
324 'patch-user_former_groups-fix-pk.sql' ],
325 [ 'renameIndex', 'user_properties', 'user_properties_user_property', 'PRIMARY', false,
326 'patch-user_properties-fix-pk.sql' ],
327 [ 'addTable', 'comment', 'patch-comment-table.sql' ],
328 [ 'migrateComments' ],
329 [ 'renameIndex', 'l10n_cache', 'lc_lang_key', 'PRIMARY', false,
330 'patch-l10n_cache-primary-key.sql' ],
331 [ 'doUnsignedSyncronisation' ],
334 [ 'addTable', 'slots', 'patch-slots.sql' ],
335 [ 'addTable', 'content', 'patch-content.sql' ],
336 [ 'addTable', 'slot_roles', 'patch-slot_roles.sql' ],
337 [ 'addTable', 'content_models', 'patch-content_models.sql' ],
338 [ 'migrateArchiveText' ],
343 * 1.4 betas were missing the 'binary' marker from logging.log_title,
344 * which causes a collation mismatch error on joins in MySQL 4.1.
346 * @param string $table Table name
347 * @param string $field Field name to check
348 * @param string $patchFile Path to the patch to correct the field
351 protected function checkBin( $table, $field, $patchFile ) {
352 if ( !$this->doTable( $table ) ) {
356 /** @var MySQLField $fieldInfo */
357 $fieldInfo = $this->db
->fieldInfo( $table, $field );
358 if ( $fieldInfo->isBinary() ) {
359 $this->output( "...$table table has correct $field encoding.\n" );
361 $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" );
366 * Check whether an index contain a field
368 * @param string $table Table name
369 * @param string $index Index name to check
370 * @param string $field Field that should be in the index
373 protected function indexHasField( $table, $index, $field ) {
374 if ( !$this->doTable( $table ) ) {
378 $info = $this->db
->indexInfo( $table, $index, __METHOD__
);
380 foreach ( $info as $row ) {
381 if ( $row->Column_name
== $field ) {
382 $this->output( "...index $index on table $table includes field $field.\n" );
388 $this->output( "...index $index on table $table has no field $field; added.\n" );
394 * Check that interwiki table exists; if it doesn't source it
396 protected function doInterwikiUpdate() {
399 if ( !$this->doTable( 'interwiki' ) ) {
403 if ( $this->db
->tableExists( "interwiki", __METHOD__
) ) {
404 $this->output( "...already have interwiki table\n" );
409 $this->applyPatch( 'patch-interwiki.sql', false, 'Creating interwiki table' );
411 "$IP/maintenance/interwiki.sql",
413 'Adding default interwiki definitions'
418 * Check that proper indexes are in place
420 protected function doIndexUpdate() {
421 $meta = $this->db
->fieldInfo( 'recentchanges', 'rc_timestamp' );
422 if ( $meta === false ) {
423 throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' );
425 if ( $meta->isMultipleKey() ) {
426 $this->output( "...indexes seem up to 20031107 standards.\n" );
431 $this->applyPatch( 'patch-indexes.sql', true, "Updating indexes to 20031107" );
434 protected function doOldLinksUpdate() {
435 $cl = $this->maintenance
->runChild( 'ConvertLinks' );
439 protected function doFixAncientImagelinks() {
440 $info = $this->db
->fieldInfo( 'imagelinks', 'il_from' );
441 if ( !$info ||
$info->type() !== 'string' ) {
442 $this->output( "...il_from OK\n" );
447 $applied = $this->applyPatch(
448 'patch-fix-il_from.sql',
450 'Fixing ancient broken imagelinks table.'
454 $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this." );
459 * Check if we need to add talk page rows to the watchlist
461 function doWatchlistUpdate() {
462 $talk = $this->db
->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__
);
463 $nontalk = $this->db
->selectField(
466 'NOT (wl_namespace & 1)',
469 if ( $talk == $nontalk ) {
470 $this->output( "...watchlist talk page rows already present.\n" );
475 $this->output( "Adding missing watchlist talk page rows... " );
476 $this->db
->insertSelect( 'watchlist', 'watchlist',
478 'wl_user' => 'wl_user',
479 'wl_namespace' => 'wl_namespace | 1',
480 'wl_title' => 'wl_title',
481 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
482 ], [ 'NOT (wl_namespace & 1)' ], __METHOD__
, 'IGNORE' );
483 $this->output( "done.\n" );
485 $this->output( "Adding missing watchlist subject page rows... " );
486 $this->db
->insertSelect( 'watchlist', 'watchlist',
488 'wl_user' => 'wl_user',
489 'wl_namespace' => 'wl_namespace & ~1',
490 'wl_title' => 'wl_title',
491 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
492 ], [ 'wl_namespace & 1' ], __METHOD__
, 'IGNORE' );
493 $this->output( "done.\n" );
496 function doSchemaRestructuring() {
497 if ( $this->db
->tableExists( 'page', __METHOD__
) ) {
498 $this->output( "...page table already exists.\n" );
503 $this->output( "...converting from cur/old to page/revision/text DB structure.\n" );
504 $this->output( wfTimestamp( TS_DB
) );
505 $this->output( "......checking for duplicate entries.\n" );
507 list( $cur, $old, $page, $revision, $text ) = $this->db
->tableNamesN(
515 $rows = $this->db
->query( "
516 SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
518 GROUP BY cur_title, cur_namespace
523 if ( $rows->numRows() > 0 ) {
524 $this->output( wfTimestamp( TS_DB
) );
525 $this->output( "......<b>Found duplicate entries</b>\n" );
526 $this->output( sprintf( "<b> %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
528 foreach ( $rows as $row ) {
529 if ( !isset( $duplicate[$row->cur_namespace
] ) ) {
530 $duplicate[$row->cur_namespace
] = [];
533 $duplicate[$row->cur_namespace
][] = $row->cur_title
;
534 $this->output( sprintf(
536 $row->cur_title
, $row->cur_namespace
,
540 $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
542 foreach ( $duplicate as $ns => $titles ) {
543 $dupeTitles[] = "( cur_namespace = {$ns} AND cur_title in ("
544 . $this->db
->makeList( $titles ) . ") ) \n";
546 $sql .= $this->db
->makeList( $dupeTitles, IDatabase
::LIST_OR
);
547 # By sorting descending, the most recent entry will be the first in the list.
548 # All following entries will be deleted by the next while-loop.
549 $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
551 $rows = $this->db
->query( $sql, __METHOD__
);
553 $prev_title = $prev_namespace = false;
556 foreach ( $rows as $row ) {
557 if ( $prev_title == $row->cur_title
&& $prev_namespace == $row->cur_namespace
) {
558 $deleteId[] = $row->cur_id
;
560 $prev_title = $row->cur_title
;
561 $prev_namespace = $row->cur_namespace
;
563 $sql = "DELETE FROM $cur WHERE cur_id IN ( " . implode( ',', $deleteId ) . ')';
564 $this->db
->query( $sql, __METHOD__
);
565 $this->output( wfTimestamp( TS_DB
) );
566 $this->output( "......<b>Deleted</b> " . $this->db
->affectedRows() . " records.\n" );
569 $this->output( wfTimestamp( TS_DB
) );
570 $this->output( "......Creating tables.\n" );
571 $this->db
->query( "CREATE TABLE $page (
572 page_id int(8) unsigned NOT NULL auto_increment,
573 page_namespace int NOT NULL,
574 page_title varchar(255) binary NOT NULL,
575 page_restrictions tinyblob NOT NULL,
576 page_is_redirect tinyint(1) unsigned NOT NULL default '0',
577 page_is_new tinyint(1) unsigned NOT NULL default '0',
578 page_random real unsigned NOT NULL,
579 page_touched char(14) binary NOT NULL default '',
580 page_latest int(8) unsigned NOT NULL,
581 page_len int(8) unsigned NOT NULL,
583 PRIMARY KEY page_id (page_id),
584 UNIQUE INDEX name_title (page_namespace,page_title),
587 ) ENGINE=InnoDB", __METHOD__
);
588 $this->db
->query( "CREATE TABLE $revision (
589 rev_id int(8) unsigned NOT NULL auto_increment,
590 rev_page int(8) unsigned NOT NULL,
591 rev_comment tinyblob NOT NULL,
592 rev_user int(5) unsigned NOT NULL default '0',
593 rev_user_text varchar(255) binary NOT NULL default '',
594 rev_timestamp char(14) binary NOT NULL default '',
595 rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
596 rev_deleted tinyint(1) unsigned NOT NULL default '0',
597 rev_len int(8) unsigned,
598 rev_parent_id int(8) unsigned default NULL,
599 PRIMARY KEY rev_page_id (rev_page, rev_id),
600 UNIQUE INDEX rev_id (rev_id),
601 INDEX rev_timestamp (rev_timestamp),
602 INDEX page_timestamp (rev_page,rev_timestamp),
603 INDEX user_timestamp (rev_user,rev_timestamp),
604 INDEX usertext_timestamp (rev_user_text,rev_timestamp)
605 ) ENGINE=InnoDB", __METHOD__
);
607 $this->output( wfTimestamp( TS_DB
) );
608 $this->output( "......Locking tables.\n" );
610 "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE",
614 $maxold = intval( $this->db
->selectField( 'old', 'max(old_id)', '', __METHOD__
) );
615 $this->output( wfTimestamp( TS_DB
) );
616 $this->output( "......maxold is {$maxold}\n" );
618 $this->output( wfTimestamp( TS_DB
) );
619 global $wgLegacySchemaConversion;
620 if ( $wgLegacySchemaConversion ) {
621 // Create HistoryBlobCurStub entries.
622 // Text will be pulled from the leftover 'cur' table at runtime.
623 $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" );
624 $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
625 $cur_flags = "'object'";
627 // Copy all cur text in immediately: this may take longer but avoids
628 // having to keep an extra table around.
629 $this->output( "......Moving text from cur.\n" );
630 $cur_text = 'cur_text';
634 "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user,
635 old_user_text, old_timestamp, old_minor_edit, old_flags)
636 SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text,
637 cur_timestamp, cur_minor_edit, $cur_flags
642 $this->output( wfTimestamp( TS_DB
) );
643 $this->output( "......Setting up revision table.\n" );
645 "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user,
646 rev_user_text, rev_timestamp, rev_minor_edit)
647 SELECT old_id, cur_id, old_comment, old_user, old_user_text,
648 old_timestamp, old_minor_edit
649 FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title",
653 $this->output( wfTimestamp( TS_DB
) );
654 $this->output( "......Setting up page table.\n" );
656 "INSERT INTO $page (page_id, page_namespace, page_title,
657 page_restrictions, page_is_redirect, page_is_new, page_random,
658 page_touched, page_latest, page_len)
659 SELECT cur_id, cur_namespace, cur_title, cur_restrictions,
660 cur_is_redirect, cur_is_new, cur_random, cur_touched, rev_id, LENGTH(cur_text)
662 WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}",
666 $this->output( wfTimestamp( TS_DB
) );
667 $this->output( "......Unlocking tables.\n" );
668 $this->db
->query( "UNLOCK TABLES", __METHOD__
);
670 $this->output( wfTimestamp( TS_DB
) );
671 $this->output( "......Renaming old.\n" );
672 $this->db
->query( "ALTER TABLE $old RENAME TO $text", __METHOD__
);
674 $this->output( wfTimestamp( TS_DB
) );
675 $this->output( "...done.\n" );
678 protected function doNamespaceSize() {
682 'recentchanges' => 'rc',
684 'querycache' => 'qc',
687 foreach ( $tables as $table => $prefix ) {
688 $field = $prefix . '_namespace';
690 $tablename = $this->db
->tableName( $table );
691 $result = $this->db
->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__
);
692 $info = $this->db
->fetchObject( $result );
694 if ( substr( $info->Type
, 0, 3 ) == 'int' ) {
695 $this->output( "...$field is already a full int ($info->Type).\n" );
697 $this->output( "Promoting $field from $info->Type to int... " );
698 $this->db
->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__
);
699 $this->output( "done.\n" );
704 protected function doPagelinksUpdate() {
705 if ( $this->db
->tableExists( 'pagelinks', __METHOD__
) ) {
706 $this->output( "...already have pagelinks table.\n" );
712 'patch-pagelinks.sql',
714 'Converting links and brokenlinks tables to pagelinks'
718 foreach ( $wgContLang->getNamespaces() as $ns => $name ) {
723 $this->output( "Cleaning up broken links for namespace $ns... " );
724 $this->db
->update( 'pagelinks',
726 'pl_namespace' => $ns,
727 "pl_title = TRIM(LEADING {$this->db->addQuotes( "$name:" )} FROM pl_title)",
731 'pl_title' . $this->db
->buildLike( "$name:", $this->db
->anyString() ),
735 $this->output( "done.\n" );
739 protected function doUserUniqueUpdate() {
740 if ( !$this->doTable( 'user' ) ) {
744 $duper = new UserDupes( $this->db
, [ $this, 'output' ] );
745 if ( $duper->hasUniqueIndex() ) {
746 $this->output( "...already have unique user_name index.\n" );
751 if ( !$duper->clearDupes() ) {
752 $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
754 $this->applyPatch( 'patch-user_nameindex.sql', false, "Adding unique index on user_name" );
757 protected function doUserGroupsUpdate() {
758 if ( !$this->doTable( 'user_groups' ) ) {
762 if ( $this->db
->tableExists( 'user_groups', __METHOD__
) ) {
763 $info = $this->db
->fieldInfo( 'user_groups', 'ug_group' );
764 if ( $info->type() == 'int' ) {
765 $oldug = $this->db
->tableName( 'user_groups' );
766 $newug = $this->db
->tableName( 'user_groups_bogus' );
767 $this->output( "user_groups table exists but is in bogus intermediate " .
768 "format. Renaming to $newug... " );
769 $this->db
->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__
);
770 $this->output( "done.\n" );
772 $this->applyPatch( 'patch-user_groups.sql', false, "Re-adding fresh user_groups table" );
774 $this->output( "***\n" );
775 $this->output( "*** WARNING: You will need to manually fix up user " .
776 "permissions in the user_groups\n" );
777 $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
778 $this->output( "***\n" );
780 $this->output( "...user_groups table exists and is in current format.\n" );
786 $this->applyPatch( 'patch-user_groups.sql', false, "Adding user_groups table" );
788 if ( !$this->db
->tableExists( 'user_rights', __METHOD__
) ) {
789 if ( $this->db
->fieldExists( 'user', 'user_rights', __METHOD__
) ) {
791 'patch-user_rights.sql',
793 'Upgrading from a 1.3 or older database? Breaking out user_rights for conversion'
796 $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
797 $this->output( "*** You may need to manually configure some sysops by manipulating\n" );
798 $this->output( "*** the user_groups table.\n" );
804 $this->output( "Converting user_rights table to user_groups... " );
805 $result = $this->db
->select( 'user_rights',
806 [ 'ur_user', 'ur_rights' ],
807 [ "ur_rights != ''" ],
810 foreach ( $result as $row ) {
811 $groups = array_unique(
813 explode( ',', $row->ur_rights
) ) );
815 foreach ( $groups as $group ) {
816 $this->db
->insert( 'user_groups',
818 'ug_user' => $row->ur_user
,
819 'ug_group' => $group ],
823 $this->output( "done.\n" );
827 * Make sure wl_notificationtimestamp can be NULL,
828 * and update old broken items.
830 protected function doWatchlistNull() {
831 $info = $this->db
->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
835 if ( $info->isNullable() ) {
836 $this->output( "...wl_notificationtimestamp is already nullable.\n" );
842 'patch-watchlist-null.sql',
844 'Making wl_notificationtimestamp nullable'
849 * Set page_random field to a random value where it is equals to 0.
853 protected function doPageRandomUpdate() {
854 $page = $this->db
->tableName( 'page' );
855 $this->db
->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__
);
856 $rows = $this->db
->affectedRows();
859 $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" );
861 $this->output( "...no page_random rows needed to be set\n" );
865 protected function doTemplatelinksUpdate() {
866 if ( $this->db
->tableExists( 'templatelinks', __METHOD__
) ) {
867 $this->output( "...templatelinks table already exists\n" );
872 $this->applyPatch( 'patch-templatelinks.sql', false, "Creating templatelinks table" );
874 $this->output( "Populating...\n" );
875 $services = MediaWikiServices
::getInstance();
876 if ( $services->getDBLoadBalancer()->getServerCount() > 1 ) {
877 // Slow, replication-friendly update
878 $res = $this->db
->select( 'pagelinks', [ 'pl_from', 'pl_namespace', 'pl_title' ],
879 [ 'pl_namespace' => NS_TEMPLATE
], __METHOD__
);
881 foreach ( $res as $row ) {
882 $count = ( $count +
1 ) %
100;
884 $lbFactory = $services->getDBLoadBalancerFactory();
885 $lbFactory->waitForReplication( [ 'wiki' => wfWikiID() ] );
887 $this->db
->insert( 'templatelinks',
889 'tl_from' => $row->pl_from
,
890 'tl_namespace' => $row->pl_namespace
,
891 'tl_title' => $row->pl_title
,
897 $this->db
->insertSelect( 'templatelinks', 'pagelinks',
899 'tl_from' => 'pl_from',
900 'tl_namespace' => 'pl_namespace',
901 'tl_title' => 'pl_title'
907 $this->output( "Done. Please run maintenance/refreshLinks.php for a more " .
908 "thorough templatelinks update.\n" );
911 protected function doBacklinkingIndicesUpdate() {
912 if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
913 !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
914 !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' )
916 $this->applyPatch( 'patch-backlinkindexes.sql', false, "Updating backlinking indices" );
921 * Adding page_restrictions table, obsoleting page.page_restrictions.
922 * Migrating old restrictions to new table
923 * -- Andrew Garrett, January 2007.
925 protected function doRestrictionsUpdate() {
926 if ( $this->db
->tableExists( 'page_restrictions', __METHOD__
) ) {
927 $this->output( "...page_restrictions table already exists.\n" );
933 'patch-page_restrictions.sql',
935 'Creating page_restrictions table (1/2)'
938 'patch-page_restrictions_sortkey.sql',
940 'Creating page_restrictions table (2/2)'
942 $this->output( "done.\n" );
944 $this->output( "Migrating old restrictions to new table...\n" );
945 $task = $this->maintenance
->runChild( 'UpdateRestrictions' );
949 protected function doCategorylinksIndicesUpdate() {
950 if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) {
951 $this->applyPatch( 'patch-categorylinksindex.sql', false, "Updating categorylinks Indices" );
955 protected function doCategoryPopulation() {
956 if ( $this->updateRowExists( 'populate category' ) ) {
957 $this->output( "...category table already populated.\n" );
963 "Populating category table, printing progress markers. " .
964 "For large databases, you\n" .
965 "may want to hit Ctrl-C and do this manually with maintenance/\n" .
966 "populateCategory.php.\n"
968 $task = $this->maintenance
->runChild( 'PopulateCategory' );
970 $this->output( "Done populating category table.\n" );
973 protected function doPopulateParentId() {
974 if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) {
976 "Populating rev_parent_id fields, printing progress markers. For large\n" .
977 "databases, you may want to hit Ctrl-C and do this manually with\n" .
978 "maintenance/populateParentId.php.\n" );
980 $task = $this->maintenance
->runChild( 'PopulateParentId' );
985 protected function doMaybeProfilingMemoryUpdate() {
986 if ( !$this->doTable( 'profiling' ) ) {
990 if ( !$this->db
->tableExists( 'profiling', __METHOD__
) ) {
992 } elseif ( $this->db
->fieldExists( 'profiling', 'pf_memory', __METHOD__
) ) {
993 $this->output( "...profiling table has pf_memory field.\n" );
998 return $this->applyPatch(
999 'patch-profiling-memory.sql',
1001 'Adding pf_memory field to table profiling'
1005 protected function doFilearchiveIndicesUpdate() {
1006 $info = $this->db
->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__
);
1008 $this->applyPatch( 'patch-filearchive-user-index.sql', false, "Updating filearchive indices" );
1014 protected function doNonUniquePlTlIl() {
1015 $info = $this->db
->indexInfo( 'pagelinks', 'pl_namespace' );
1016 if ( is_array( $info ) && $info[0]->Non_unique
) {
1017 $this->output( "...pl_namespace, tl_namespace, il_to indices are already non-UNIQUE.\n" );
1021 if ( $this->skipSchema
) {
1022 $this->output( "...skipping schema change (making pl_namespace, tl_namespace " .
1023 "and il_to indices non-UNIQUE).\n" );
1028 return $this->applyPatch(
1029 'patch-pl-tl-il-nonunique.sql',
1031 'Making pl_namespace, tl_namespace and il_to indices non-UNIQUE'
1035 protected function doUpdateMimeMinorField() {
1036 if ( $this->updateRowExists( 'mime_minor_length' ) ) {
1037 $this->output( "...*_mime_minor fields are already long enough.\n" );
1043 'patch-mime_minor_length.sql',
1045 'Altering all *_mime_minor fields to 100 bytes in size'
1049 protected function doClFieldsUpdate() {
1050 if ( $this->updateRowExists( 'cl_fields_update' ) ) {
1051 $this->output( "...categorylinks up-to-date.\n" );
1057 'patch-categorylinks-better-collation2.sql',
1059 'Updating categorylinks (again)'
1063 protected function doLangLinksLengthUpdate() {
1064 $langlinks = $this->db
->tableName( 'langlinks' );
1065 $res = $this->db
->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" );
1066 $row = $this->db
->fetchObject( $res );
1068 if ( $row && $row->Type
== "varbinary(10)" ) {
1070 'patch-langlinks-ll_lang-20.sql',
1072 'Updating length of ll_lang in langlinks'
1075 $this->output( "...ll_lang is up-to-date.\n" );
1079 protected function doUserNewTalkTimestampNotNull() {
1080 if ( !$this->doTable( 'user_newtalk' ) ) {
1084 $info = $this->db
->fieldInfo( 'user_newtalk', 'user_last_timestamp' );
1085 if ( $info === false ) {
1088 if ( $info->isNullable() ) {
1089 $this->output( "...user_last_timestamp is already nullable.\n" );
1095 'patch-user-newtalk-timestamp-null.sql',
1097 'Making user_last_timestamp nullable'
1101 protected function doIwlinksIndexNonUnique() {
1102 $info = $this->db
->indexInfo( 'iwlinks', 'iwl_prefix_title_from' );
1103 if ( is_array( $info ) && $info[0]->Non_unique
) {
1104 $this->output( "...iwl_prefix_title_from index is already non-UNIQUE.\n" );
1108 if ( $this->skipSchema
) {
1109 $this->output( "...skipping schema change (making iwl_prefix_title_from index non-UNIQUE).\n" );
1114 return $this->applyPatch(
1115 'patch-iwl_prefix_title_from-non-unique.sql',
1117 'Making iwl_prefix_title_from index non-UNIQUE'
1121 protected function doUnsignedSyncronisation() {
1123 [ 'table' => 'bot_passwords', 'field' => 'bp_user' ],
1124 [ 'table' => 'change_tag', 'field' => 'ct_log_id' ],
1125 [ 'table' => 'change_tag', 'field' => 'ct_rev_id' ],
1126 [ 'table' => 'page_restrictions', 'field' => 'pr_user' ],
1127 [ 'table' => 'tag_summary', 'field' => 'ts_log_id' ],
1128 [ 'table' => 'tag_summary', 'field' => 'ts_rev_id' ],
1129 [ 'table' => 'user_newtalk', 'field' => 'user_id' ],
1130 [ 'table' => 'user_properties', 'field' => 'up_user' ],
1133 foreach ( $sync as $s ) {
1134 if ( !$this->doTable( $s['table'] ) ) {
1138 $info = $this->db
->fieldInfo( $s['table'], $s['field'] );
1139 if ( $info === false ) {
1142 $fullName = "{$s['table']}.{$s['field']}";
1143 if ( $info->isUnsigned() ) {
1144 $this->output( "...$fullName is already unsigned int.\n" );
1150 "patch-{$s['table']}-{$s['field']}-unsigned.sql",
1152 "Making $fullName into an unsigned int"
1159 protected function doRevisionPageRevIndexNonUnique() {
1160 if ( !$this->doTable( 'revision' ) ) {
1162 } elseif ( !$this->db
->indexExists( 'revision', 'rev_page_id' ) ) {
1163 $this->output( "...rev_page_id index not found on revision.\n" );
1167 if ( !$this->db
->indexUnique( 'revision', 'rev_page_id' ) ) {
1168 $this->output( "...rev_page_id index already non-unique.\n" );
1172 return $this->applyPatch(
1173 'patch-revision-page-rev-index-nonunique.sql',
1175 'Making rev_page_id index non-unique'
1179 protected function doExtendCommentLengths() {
1180 $table = $this->db
->tableName( 'revision' );
1181 $res = $this->db
->query( "SHOW COLUMNS FROM $table LIKE 'rev_comment'" );
1182 $row = $this->db
->fetchObject( $res );
1184 if ( $row && ( $row->Type
!== "varbinary(767)" ||
$row->Default !== "" ) ) {
1186 'patch-editsummary-length.sql',
1188 'Extending edit summary lengths (and setting defaults)'
1191 $this->output( '...comment fields are up to date' );
1195 public function getSchemaVars() {
1196 global $wgDBTableOptions;
1199 $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
1200 $vars['wgDBTableOptions'] = str_replace(
1203 $vars['wgDBTableOptions']