includes/installer/MysqlUpdater.php

   1 <?php
   2 /**
   3  * MySQL-specific updater.
   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 use MediaWiki\MediaWikiServices;
  24
  25 /**
  26  * Mysql update list and mysql-specific update functions.
  27  *
  28  * @ingroup Deployment
  29  * @since 1.17
  30  */
  31 class MysqlUpdater extends DatabaseUpdater {
  32         protected function getCoreUpdateList() {
  33                 return [
  34                         [ 'disableContentHandlerUseDB' ],
  35
  36                         // 1.2
  37                         [ 'addField', 'ipblocks', 'ipb_id', 'patch-ipblocks.sql' ],
  38                         [ 'addField', 'ipblocks', 'ipb_expiry', 'patch-ipb_expiry.sql' ],
  39                         [ 'doInterwikiUpdate' ],
  40                         [ 'doIndexUpdate' ],
  41                         [ 'addField', 'recentchanges', 'rc_type', 'patch-rc_type.sql' ],
  42                         [ 'addIndex', 'recentchanges', 'new_name_timestamp', 'patch-rc-newindex.sql' ],
  43
  44                         // 1.3
  45                         [ 'addField', 'user', 'user_real_name', 'patch-user-realname.sql' ],
  46                         [ 'addTable', 'querycache', 'patch-querycache.sql' ],
  47                         [ 'addTable', 'objectcache', 'patch-objectcache.sql' ],
  48                         [ 'addTable', 'categorylinks', 'patch-categorylinks.sql' ],
  49                         [ 'doOldLinksUpdate' ],
  50                         [ 'doFixAncientImagelinks' ],
  51                         [ 'addField', 'recentchanges', 'rc_ip', 'patch-rc_ip.sql' ],
  52
  53                         // 1.4
  54                         [ 'addIndex', 'image', 'PRIMARY', 'patch-image_name_primary.sql' ],
  55                         [ 'addField', 'recentchanges', 'rc_id', 'patch-rc_id.sql' ],
  56                         [ 'addField', 'recentchanges', 'rc_patrolled', 'patch-rc-patrol.sql' ],
  57                         [ 'addTable', 'logging', 'patch-logging.sql' ],
  58                         [ 'addField', 'user', 'user_token', 'patch-user_token.sql' ],
  59                         [ 'addField', 'watchlist', 'wl_notificationtimestamp', 'patch-email-notification.sql' ],
  60                         [ 'doWatchlistUpdate' ],
  61                         [ 'dropField', 'user', 'user_emailauthenticationtimestamp',
  62                                 'patch-email-authentication.sql' ],
  63
  64                         // 1.5
  65                         [ 'doSchemaRestructuring' ],
  66                         [ 'addField', 'logging', 'log_params', 'patch-log_params.sql' ],
  67                         [ 'checkBin', 'logging', 'log_title', 'patch-logging-title.sql', ],
  68                         [ 'addField', 'archive', 'ar_rev_id', 'patch-archive-rev_id.sql' ],
  69                         [ 'addField', 'page', 'page_len', 'patch-page_len.sql' ],
  70                         [ 'dropField', 'revision', 'inverse_timestamp', 'patch-inverse_timestamp.sql' ],
  71                         [ 'addField', 'revision', 'rev_text_id', 'patch-rev_text_id.sql' ],
  72                         [ 'addField', 'revision', 'rev_deleted', 'patch-rev_deleted.sql' ],
  73                         [ 'addField', 'image', 'img_width', 'patch-img_width.sql' ],
  74                         [ 'addField', 'image', 'img_metadata', 'patch-img_metadata.sql' ],
  75                         [ 'addField', 'user', 'user_email_token', 'patch-user_email_token.sql' ],
  76                         [ 'addField', 'archive', 'ar_text_id', 'patch-archive-text_id.sql' ],
  77                         [ 'doNamespaceSize' ],
  78                         [ 'addField', 'image', 'img_media_type', 'patch-img_media_type.sql' ],
  79                         [ 'doPagelinksUpdate' ],
  80                         [ 'dropField', 'image', 'img_type', 'patch-drop_img_type.sql' ],
  81                         [ 'doUserUniqueUpdate' ],
  82                         [ 'doUserGroupsUpdate' ],
  83                         [ 'addField', 'site_stats', 'ss_total_pages', 'patch-ss_total_articles.sql' ],
  84                         [ 'addTable', 'user_newtalk', 'patch-usernewtalk2.sql' ],
  85                         [ 'addTable', 'transcache', 'patch-transcache.sql' ],
  86                         [ 'addField', 'interwiki', 'iw_trans', 'patch-interwiki-trans.sql' ],
  87
  88                         // 1.6
  89                         [ 'doWatchlistNull' ],
  90                         [ 'addIndex', 'logging', 'times', 'patch-logging-times-index.sql' ],
  91                         [ 'addField', 'ipblocks', 'ipb_range_start', 'patch-ipb_range_start.sql' ],
  92                         [ 'doPageRandomUpdate' ],
  93                         [ 'addField', 'user', 'user_registration', 'patch-user_registration.sql' ],
  94                         [ 'doTemplatelinksUpdate' ],
  95                         [ 'addTable', 'externallinks', 'patch-externallinks.sql' ],
  96                         [ 'addTable', 'job', 'patch-job.sql' ],
  97                         [ 'addField', 'site_stats', 'ss_images', 'patch-ss_images.sql' ],
  98                         [ 'addTable', 'langlinks', 'patch-langlinks.sql' ],
  99                         [ 'addTable', 'querycache_info', 'patch-querycacheinfo.sql' ],
 100                         [ 'addTable', 'filearchive', 'patch-filearchive.sql' ],
 101                         [ 'addField', 'ipblocks', 'ipb_anon_only', 'patch-ipb_anon_only.sql' ],
 102                         [ 'addIndex', 'recentchanges', 'rc_ns_usertext', 'patch-recentchanges-utindex.sql' ],
 103                         [ 'addIndex', 'recentchanges', 'rc_user_text', 'patch-rc_user_text-index.sql' ],
 104
 105                         // 1.9
 106                         [ 'addField', 'user', 'user_newpass_time', 'patch-user_newpass_time.sql' ],
 107                         [ 'addTable', 'redirect', 'patch-redirect.sql' ],
 108                         [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
 109                         [ 'addField', 'ipblocks', 'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ],
 110                         [ 'doBacklinkingIndicesUpdate' ],
 111                         [ 'addField', 'recentchanges', 'rc_old_len', 'patch-rc_len.sql' ],
 112                         [ 'addField', 'user', 'user_editcount', 'patch-user_editcount.sql' ],
 113
 114                         // 1.10
 115                         [ 'doRestrictionsUpdate' ],
 116                         [ 'addField', 'logging', 'log_id', 'patch-log_id.sql' ],
 117                         [ 'addField', 'revision', 'rev_parent_id', 'patch-rev_parent_id.sql' ],
 118                         [ 'addField', 'page_restrictions', 'pr_id', 'patch-page_restrictions_sortkey.sql' ],
 119                         [ 'addField', 'revision', 'rev_len', 'patch-rev_len.sql' ],
 120                         [ 'addField', 'recentchanges', 'rc_deleted', 'patch-rc_deleted.sql' ],
 121                         [ 'addField', 'logging', 'log_deleted', 'patch-log_deleted.sql' ],
 122                         [ 'addField', 'archive', 'ar_deleted', 'patch-ar_deleted.sql' ],
 123                         [ 'addField', 'ipblocks', 'ipb_deleted', 'patch-ipb_deleted.sql' ],
 124                         [ 'addField', 'filearchive', 'fa_deleted', 'patch-fa_deleted.sql' ],
 125                         [ 'addField', 'archive', 'ar_len', 'patch-ar_len.sql' ],
 126
 127                         // 1.11
 128                         [ 'addField', 'ipblocks', 'ipb_block_email', 'patch-ipb_emailban.sql' ],
 129                         [ 'doCategorylinksIndicesUpdate' ],
 130                         [ 'addField', 'oldimage', 'oi_metadata', 'patch-oi_metadata.sql' ],
 131                         [ 'addIndex', 'archive', 'usertext_timestamp', 'patch-archive-user-index.sql' ],
 132                         [ 'addIndex', 'image', 'img_usertext_timestamp', 'patch-image-user-index.sql' ],
 133                         [ 'addIndex', 'oldimage', 'oi_usertext_timestamp', 'patch-oldimage-user-index.sql' ],
 134                         [ 'addField', 'archive', 'ar_page_id', 'patch-archive-page_id.sql' ],
 135                         [ 'addField', 'image', 'img_sha1', 'patch-img_sha1.sql' ],
 136
 137                         // 1.12
 138                         [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
 139
 140                         // 1.13
 141                         [ 'addField', 'ipblocks', 'ipb_by_text', 'patch-ipb_by_text.sql' ],
 142                         [ 'addTable', 'page_props', 'patch-page_props.sql' ],
 143                         [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
 144                         [ 'addTable', 'category', 'patch-category.sql' ],
 145                         [ 'doCategoryPopulation' ],
 146                         [ 'addField', 'archive', 'ar_parent_id', 'patch-ar_parent_id.sql' ],
 147                         [ 'addField', 'user_newtalk', 'user_last_timestamp', 'patch-user_last_timestamp.sql' ],
 148                         [ 'doPopulateParentId' ],
 149                         [ 'checkBin', 'protected_titles', 'pt_title', 'patch-pt_title-encoding.sql', ],
 150                         [ 'doMaybeProfilingMemoryUpdate' ],
 151                         [ 'doFilearchiveIndicesUpdate' ],
 152
 153                         // 1.14
 154                         [ 'addField', 'site_stats', 'ss_active_users', 'patch-ss_active_users.sql' ],
 155                         [ 'doActiveUsersInit' ],
 156                         [ 'addField', 'ipblocks', 'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ],
 157
 158                         // 1.15
 159                         [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
 160                         [ 'addTable', 'tag_summary', 'patch-tag_summary.sql' ],
 161                         [ 'addTable', 'valid_tag', 'patch-valid_tag.sql' ],
 162
 163                         // 1.16
 164                         [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
 165                         [ 'addTable', 'log_search', 'patch-log_search.sql' ],
 166                         [ 'addField', 'logging', 'log_user_text', 'patch-log_user_text.sql' ],
 167                         # listed separately from the previous update because 1.16 was released without this update
 168                         [ 'doLogUsertextPopulation' ],
 169                         [ 'doLogSearchPopulation' ],
 170                         [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
 171                         [ 'addIndex', 'log_search', 'ls_field_val', 'patch-log_search-rename-index.sql' ],
 172                         [ 'addIndex', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ],
 173                         [ 'addField', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ],
 174                         [ 'doUpdateTranscacheField' ],
 175                         [ 'doUpdateMimeMinorField' ],
 176
 177                         // 1.17
 178                         [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
 179                         [ 'addIndex', 'iwlinks', 'iwl_prefix_title_from', 'patch-rename-iwl_prefix.sql' ],
 180                         [ 'addField', 'updatelog', 'ul_value', 'patch-ul_value.sql' ],
 181                         [ 'addField', 'interwiki', 'iw_api', 'patch-iw_api_and_wikiid.sql' ],
 182                         [ 'dropIndex', 'iwlinks', 'iwl_prefix', 'patch-kill-iwl_prefix.sql' ],
 183                         [ 'addField', 'categorylinks', 'cl_collation', 'patch-categorylinks-better-collation.sql' ],
 184                         [ 'doClFieldsUpdate' ],
 185                         [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
 186                         [ 'dropIndex', 'archive', 'ar_page_revid', 'patch-archive_kill_ar_page_revid.sql' ],
 187                         [ 'addIndex', 'archive', 'ar_revid', 'patch-archive_ar_revid.sql' ],
 188                         [ 'doLangLinksLengthUpdate' ],
 189
 190                         // 1.18
 191                         [ 'doUserNewTalkTimestampNotNull' ],
 192                         [ 'addIndex', 'user', 'user_email', 'patch-user_email_index.sql' ],
 193                         [ 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ],
 194                         [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
 195                         [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
 196
 197                         // 1.19
 198                         [ 'addIndex', 'logging', 'type_action', 'patch-logging-type-action-index.sql' ],
 199                         [ 'addField', 'revision', 'rev_sha1', 'patch-rev_sha1.sql' ],
 200                         [ 'doMigrateUserOptions' ],
 201                         [ 'dropField', 'user', 'user_options', 'patch-drop-user_options.sql' ],
 202                         [ 'addField', 'archive', 'ar_sha1', 'patch-ar_sha1.sql' ],
 203                         [ 'addIndex', 'page', 'page_redirect_namespace_len',
 204                                 'patch-page_redirect_namespace_len.sql' ],
 205                         [ 'addField', 'uploadstash', 'us_chunk_inx', 'patch-uploadstash_chunk.sql' ],
 206                         [ 'addfield', 'job', 'job_timestamp', 'patch-jobs-add-timestamp.sql' ],
 207
 208                         // 1.20
 209                         [ 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ],
 210                         [ 'addField', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id.sql' ],
 211                         [ 'addIndex', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id-index.sql' ],
 212                         [ 'dropField', 'category', 'cat_hidden', 'patch-cat_hidden.sql' ],
 213
 214                         // 1.21
 215                         [ 'addField', 'revision', 'rev_content_format', 'patch-revision-rev_content_format.sql' ],
 216                         [ 'addField', 'revision', 'rev_content_model', 'patch-revision-rev_content_model.sql' ],
 217                         [ 'addField', 'archive', 'ar_content_format', 'patch-archive-ar_content_format.sql' ],
 218                         [ 'addField', 'archive', 'ar_content_model', 'patch-archive-ar_content_model.sql' ],
 219                         [ 'addField', 'page', 'page_content_model', 'patch-page-page_content_model.sql' ],
 220                         [ 'enableContentHandlerUseDB' ],
 221                         [ 'dropField', 'site_stats', 'ss_admins', 'patch-drop-ss_admins.sql' ],
 222                         [ 'dropField', 'recentchanges', 'rc_moved_to_title', 'patch-rc_moved.sql' ],
 223                         [ 'addTable', 'sites', 'patch-sites.sql' ],
 224                         [ 'addField', 'filearchive', 'fa_sha1', 'patch-fa_sha1.sql' ],
 225                         [ 'addField', 'job', 'job_token', 'patch-job_token.sql' ],
 226                         [ 'addField', 'job', 'job_attempts', 'patch-job_attempts.sql' ],
 227                         [ 'doEnableProfiling' ],
 228                         [ 'addField', 'uploadstash', 'us_props', 'patch-uploadstash-us_props.sql' ],
 229                         [ 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ],
 230                         [ 'modifyField', 'user_former_groups', 'ufg_group',
 231                                 'patch-ufg_group-length-increase-255.sql' ],
 232                         [ 'addIndex', 'page_props', 'pp_propname_page',
 233                                 'patch-page_props-propname-page-index.sql' ],
 234                         [ 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ],
 235
 236                         // 1.22
 237                         [ 'doIwlinksIndexNonUnique' ],
 238                         [ 'addIndex', 'iwlinks', 'iwl_prefix_from_title',
 239                                 'patch-iwlinks-from-title-index.sql' ],
 240                         [ 'addField', 'archive', 'ar_id', 'patch-archive-ar_id.sql' ],
 241                         [ 'addField', 'externallinks', 'el_id', 'patch-externallinks-el_id.sql' ],
 242
 243                         // 1.23
 244                         [ 'addField', 'recentchanges', 'rc_source', 'patch-rc_source.sql' ],
 245                         [ 'addIndex', 'logging', 'log_user_text_type_time',
 246                                 'patch-logging_user_text_type_time_index.sql' ],
 247                         [ 'addIndex', 'logging', 'log_user_text_time', 'patch-logging_user_text_time_index.sql' ],
 248                         [ 'addField', 'page', 'page_links_updated', 'patch-page_links_updated.sql' ],
 249                         [ 'addField', 'user', 'user_password_expires', 'patch-user_password_expire.sql' ],
 250
 251                         // 1.24
 252                         [ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
 253                         [ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
 254                         [ 'addIndex', 'watchlist', 'wl_user_notificationtimestamp',
 255                                 'patch-watchlist-user-notificationtimestamp-index.sql' ],
 256                         [ 'addField', 'page', 'page_lang', 'patch-page_lang.sql' ],
 257                         [ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
 258                         [ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
 259                         [ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
 260                         [ 'modifyField', 'image', 'img_major_mime',
 261                                 'patch-img_major_mime-chemical.sql' ],
 262                         [ 'modifyField', 'oldimage', 'oi_major_mime',
 263                                 'patch-oi_major_mime-chemical.sql' ],
 264                         [ 'modifyField', 'filearchive', 'fa_major_mime',
 265                                 'patch-fa_major_mime-chemical.sql' ],
 266
 267                         // 1.25
 268                         [ 'doUserNewTalkUseridUnsigned' ],
 269                         // note this patch covers other _comment and _description fields too
 270                         [ 'modifyField', 'recentchanges', 'rc_comment', 'patch-editsummary-length.sql' ],
 271
 272                         // 1.26
 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' ],
 276
 277                         // 1.27
 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' ],
 286
 287                         // 1.28
 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
 296                         // 1.29
 297                         [ 'addField', 'externallinks', 'el_index_60', 'patch-externallinks-el_index_60.sql' ],
 298                         [ 'dropIndex', 'user_groups', 'ug_user_group', 'patch-user_groups-primary-key.sql' ],
 299                         [ 'addField', 'user_groups', 'ug_expiry', 'patch-user_groups-ug_expiry.sql' ],
 300                 ];
 301         }
 302
 303         /**
 304          * 1.4 betas were missing the 'binary' marker from logging.log_title,
 305          * which causes a collation mismatch error on joins in MySQL 4.1.
 306          *
 307          * @param string $table Table name
 308          * @param string $field Field name to check
 309          * @param string $patchFile Path to the patch to correct the field
 310          * @return bool
 311          */
 312         protected function checkBin( $table, $field, $patchFile ) {
 313                 if ( !$this->doTable( $table ) ) {
 314                         return true;
 315                 }
 316
 317                 /** @var MySQLField $fieldInfo */
 318                 $fieldInfo = $this->db->fieldInfo( $table, $field );
 319                 if ( $fieldInfo->isBinary() ) {
 320                         $this->output( "...$table table has correct $field encoding.\n" );
 321                 } else {
 322                         $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" );
 323                 }
 324         }
 325
 326         /**
 327          * Check whether an index contain a field
 328          *
 329          * @param string $table Table name
 330          * @param string $index Index name to check
 331          * @param string $field Field that should be in the index
 332          * @return bool
 333          */
 334         protected function indexHasField( $table, $index, $field ) {
 335                 if ( !$this->doTable( $table ) ) {
 336                         return true;
 337                 }
 338
 339                 $info = $this->db->indexInfo( $table, $index, __METHOD__ );
 340                 if ( $info ) {
 341                         foreach ( $info as $row ) {
 342                                 if ( $row->Column_name == $field ) {
 343                                         $this->output( "...index $index on table $table includes field $field.\n" );
 344
 345                                         return true;
 346                                 }
 347                         }
 348                 }
 349                 $this->output( "...index $index on table $table has no field $field; added.\n" );
 350
 351                 return false;
 352         }
 353
 354         /**
 355          * Check that interwiki table exists; if it doesn't source it
 356          */
 357         protected function doInterwikiUpdate() {
 358                 global $IP;
 359
 360                 if ( !$this->doTable( 'interwiki' ) ) {
 361                         return true;
 362                 }
 363
 364                 if ( $this->db->tableExists( "interwiki", __METHOD__ ) ) {
 365                         $this->output( "...already have interwiki table\n" );
 366
 367                         return;
 368                 }
 369
 370                 $this->applyPatch( 'patch-interwiki.sql', false, 'Creating interwiki table' );
 371                 $this->applyPatch(
 372                         "$IP/maintenance/interwiki.sql",
 373                         true,
 374                         'Adding default interwiki definitions'
 375                 );
 376         }
 377
 378         /**
 379          * Check that proper indexes are in place
 380          */
 381         protected function doIndexUpdate() {
 382                 $meta = $this->db->fieldInfo( 'recentchanges', 'rc_timestamp' );
 383                 if ( $meta === false ) {
 384                         throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' );
 385                 }
 386                 if ( $meta->isMultipleKey() ) {
 387                         $this->output( "...indexes seem up to 20031107 standards.\n" );
 388
 389                         return;
 390                 }
 391
 392                 $this->applyPatch( 'patch-indexes.sql', true, "Updating indexes to 20031107" );
 393         }
 394
 395         protected function doOldLinksUpdate() {
 396                 $cl = $this->maintenance->runChild( 'ConvertLinks' );
 397                 $cl->execute();
 398         }
 399
 400         protected function doFixAncientImagelinks() {
 401                 $info = $this->db->fieldInfo( 'imagelinks', 'il_from' );
 402                 if ( !$info || $info->type() !== 'string' ) {
 403                         $this->output( "...il_from OK\n" );
 404
 405                         return;
 406                 }
 407
 408                 $applied = $this->applyPatch(
 409                         'patch-fix-il_from.sql',
 410                         false,
 411                         'Fixing ancient broken imagelinks table.'
 412                 );
 413
 414                 if ( $applied ) {
 415                         $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this." );
 416                 }
 417         }
 418
 419         /**
 420          * Check if we need to add talk page rows to the watchlist
 421          */
 422         function doWatchlistUpdate() {
 423                 $talk = $this->db->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__ );
 424                 $nontalk = $this->db->selectField(
 425                         'watchlist',
 426                         'count(*)',
 427                         'NOT (wl_namespace & 1)',
 428                         __METHOD__
 429                 );
 430                 if ( $talk == $nontalk ) {
 431                         $this->output( "...watchlist talk page rows already present.\n" );
 432
 433                         return;
 434                 }
 435
 436                 $this->output( "Adding missing watchlist talk page rows... " );
 437                 $this->db->insertSelect( 'watchlist', 'watchlist',
 438                         [
 439                                 'wl_user' => 'wl_user',
 440                                 'wl_namespace' => 'wl_namespace | 1',
 441                                 'wl_title' => 'wl_title',
 442                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 443                         ], [ 'NOT (wl_namespace & 1)' ], __METHOD__, 'IGNORE' );
 444                 $this->output( "done.\n" );
 445
 446                 $this->output( "Adding missing watchlist subject page rows... " );
 447                 $this->db->insertSelect( 'watchlist', 'watchlist',
 448                         [
 449                                 'wl_user' => 'wl_user',
 450                                 'wl_namespace' => 'wl_namespace & ~1',
 451                                 'wl_title' => 'wl_title',
 452                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 453                         ], [ 'wl_namespace & 1' ], __METHOD__, 'IGNORE' );
 454                 $this->output( "done.\n" );
 455         }
 456
 457         function doSchemaRestructuring() {
 458                 if ( $this->db->tableExists( 'page', __METHOD__ ) ) {
 459                         $this->output( "...page table already exists.\n" );
 460
 461                         return;
 462                 }
 463
 464                 $this->output( "...converting from cur/old to page/revision/text DB structure.\n" );
 465                 $this->output( wfTimestamp( TS_DB ) );
 466                 $this->output( "......checking for duplicate entries.\n" );
 467
 468                 list( $cur, $old, $page, $revision, $text ) = $this->db->tableNamesN(
 469                         'cur',
 470                         'old',
 471                         'page',
 472                         'revision',
 473                         'text'
 474                 );
 475
 476                 $rows = $this->db->query( "
 477                         SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 478                         FROM $cur
 479                         GROUP BY cur_title, cur_namespace
 480                         HAVING c>1",
 481                         __METHOD__
 482                 );
 483
 484                 if ( $rows->numRows() > 0 ) {
 485                         $this->output( wfTimestamp( TS_DB ) );
 486                         $this->output( "......<b>Found duplicate entries</b>\n" );
 487                         $this->output( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 488                         $duplicate = [];
 489                         foreach ( $rows as $row ) {
 490                                 if ( !isset( $duplicate[$row->cur_namespace] ) ) {
 491                                         $duplicate[$row->cur_namespace] = [];
 492                                 }
 493
 494                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 495                                 $this->output( sprintf(
 496                                         "      %-60s %3s %5s\n",
 497                                         $row->cur_title, $row->cur_namespace,
 498                                         $row->c
 499                                 ) );
 500                         }
 501                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 502                         $firstCond = true;
 503                         foreach ( $duplicate as $ns => $titles ) {
 504                                 if ( $firstCond ) {
 505                                         $firstCond = false;
 506                                 } else {
 507                                         $sql .= ' OR ';
 508                                 }
 509                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 510                                 $first = true;
 511                                 foreach ( $titles as $t ) {
 512                                         if ( $first ) {
 513                                                 $sql .= $this->db->addQuotes( $t );
 514                                                 $first = false;
 515                                         } else {
 516                                                 $sql .= ', ' . $this->db->addQuotes( $t );
 517                                         }
 518                                 }
 519                                 $sql .= ") ) \n";
 520                         }
 521                         # By sorting descending, the most recent entry will be the first in the list.
 522                         # All following entries will be deleted by the next while-loop.
 523                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 524
 525                         $rows = $this->db->query( $sql, __METHOD__ );
 526
 527                         $prev_title = $prev_namespace = false;
 528                         $deleteId = [];
 529
 530                         foreach ( $rows as $row ) {
 531                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 532                                         $deleteId[] = $row->cur_id;
 533                                 }
 534                                 $prev_title = $row->cur_title;
 535                                 $prev_namespace = $row->cur_namespace;
 536                         }
 537                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . implode( ',', $deleteId ) . ')';
 538                         $this->db->query( $sql, __METHOD__ );
 539                         $this->output( wfTimestamp( TS_DB ) );
 540                         $this->output( "......<b>Deleted</b> " . $this->db->affectedRows() . " records.\n" );
 541                 }
 542
 543                 $this->output( wfTimestamp( TS_DB ) );
 544                 $this->output( "......Creating tables.\n" );
 545                 $this->db->query( "CREATE TABLE $page (
 546                         page_id int(8) unsigned NOT NULL auto_increment,
 547                         page_namespace int NOT NULL,
 548                         page_title varchar(255) binary NOT NULL,
 549                         page_restrictions tinyblob NOT NULL,
 550                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 551                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 552                         page_random real unsigned NOT NULL,
 553                         page_touched char(14) binary NOT NULL default '',
 554                         page_latest int(8) unsigned NOT NULL,
 555                         page_len int(8) unsigned NOT NULL,
 556
 557                         PRIMARY KEY page_id (page_id),
 558                         UNIQUE INDEX name_title (page_namespace,page_title),
 559                         INDEX (page_random),
 560                         INDEX (page_len)
 561                         ) ENGINE=InnoDB", __METHOD__ );
 562                 $this->db->query( "CREATE TABLE $revision (
 563                         rev_id int(8) unsigned NOT NULL auto_increment,
 564                         rev_page int(8) unsigned NOT NULL,
 565                         rev_comment tinyblob NOT NULL,
 566                         rev_user int(5) unsigned NOT NULL default '0',
 567                         rev_user_text varchar(255) binary NOT NULL default '',
 568                         rev_timestamp char(14) binary NOT NULL default '',
 569                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 570                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 571                         rev_len int(8) unsigned,
 572                         rev_parent_id int(8) unsigned default NULL,
 573                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 574                         UNIQUE INDEX rev_id (rev_id),
 575                         INDEX rev_timestamp (rev_timestamp),
 576                         INDEX page_timestamp (rev_page,rev_timestamp),
 577                         INDEX user_timestamp (rev_user,rev_timestamp),
 578                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 579                         ) ENGINE=InnoDB", __METHOD__ );
 580
 581                 $this->output( wfTimestamp( TS_DB ) );
 582                 $this->output( "......Locking tables.\n" );
 583                 $this->db->query(
 584                         "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE",
 585                         __METHOD__
 586                 );
 587
 588                 $maxold = intval( $this->db->selectField( 'old', 'max(old_id)', '', __METHOD__ ) );
 589                 $this->output( wfTimestamp( TS_DB ) );
 590                 $this->output( "......maxold is {$maxold}\n" );
 591
 592                 $this->output( wfTimestamp( TS_DB ) );
 593                 global $wgLegacySchemaConversion;
 594                 if ( $wgLegacySchemaConversion ) {
 595                         // Create HistoryBlobCurStub entries.
 596                         // Text will be pulled from the leftover 'cur' table at runtime.
 597                         $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 598                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 599                         $cur_flags = "'object'";
 600                 } else {
 601                         // Copy all cur text in immediately: this may take longer but avoids
 602                         // having to keep an extra table around.
 603                         $this->output( "......Moving text from cur.\n" );
 604                         $cur_text = 'cur_text';
 605                         $cur_flags = "''";
 606                 }
 607                 $this->db->query(
 608                         "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user,
 609                                 old_user_text, old_timestamp, old_minor_edit, old_flags)
 610                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text,
 611                                 cur_timestamp, cur_minor_edit, $cur_flags
 612                         FROM $cur",
 613                         __METHOD__
 614                 );
 615
 616                 $this->output( wfTimestamp( TS_DB ) );
 617                 $this->output( "......Setting up revision table.\n" );
 618                 $this->db->query(
 619                         "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user,
 620                                 rev_user_text, rev_timestamp, rev_minor_edit)
 621                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 622                                 old_timestamp, old_minor_edit
 623                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title",
 624                         __METHOD__
 625                 );
 626
 627                 $this->output( wfTimestamp( TS_DB ) );
 628                 $this->output( "......Setting up page table.\n" );
 629                 $this->db->query(
 630                         "INSERT INTO $page (page_id, page_namespace, page_title,
 631                                 page_restrictions, page_is_redirect, page_is_new, page_random,
 632                                 page_touched, page_latest, page_len)
 633                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions,
 634                                 cur_is_redirect, cur_is_new, cur_random, cur_touched, rev_id, LENGTH(cur_text)
 635                         FROM $cur,$revision
 636                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}",
 637                         __METHOD__
 638                 );
 639
 640                 $this->output( wfTimestamp( TS_DB ) );
 641                 $this->output( "......Unlocking tables.\n" );
 642                 $this->db->query( "UNLOCK TABLES", __METHOD__ );
 643
 644                 $this->output( wfTimestamp( TS_DB ) );
 645                 $this->output( "......Renaming old.\n" );
 646                 $this->db->query( "ALTER TABLE $old RENAME TO $text", __METHOD__ );
 647
 648                 $this->output( wfTimestamp( TS_DB ) );
 649                 $this->output( "...done.\n" );
 650         }
 651
 652         protected function doNamespaceSize() {
 653                 $tables = [
 654                         'page' => 'page',
 655                         'archive' => 'ar',
 656                         'recentchanges' => 'rc',
 657                         'watchlist' => 'wl',
 658                         'querycache' => 'qc',
 659                         'logging' => 'log',
 660                 ];
 661                 foreach ( $tables as $table => $prefix ) {
 662                         $field = $prefix . '_namespace';
 663
 664                         $tablename = $this->db->tableName( $table );
 665                         $result = $this->db->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__ );
 666                         $info = $this->db->fetchObject( $result );
 667
 668                         if ( substr( $info->Type, 0, 3 ) == 'int' ) {
 669                                 $this->output( "...$field is already a full int ($info->Type).\n" );
 670                         } else {
 671                                 $this->output( "Promoting $field from $info->Type to int... " );
 672                                 $this->db->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__ );
 673                                 $this->output( "done.\n" );
 674                         }
 675                 }
 676         }
 677
 678         protected function doPagelinksUpdate() {
 679                 if ( $this->db->tableExists( 'pagelinks', __METHOD__ ) ) {
 680                         $this->output( "...already have pagelinks table.\n" );
 681
 682                         return;
 683                 }
 684
 685                 $this->applyPatch(
 686                         'patch-pagelinks.sql',
 687                         false,
 688                         'Converting links and brokenlinks tables to pagelinks'
 689                 );
 690
 691                 global $wgContLang;
 692                 foreach ( $wgContLang->getNamespaces() as $ns => $name ) {
 693                         if ( $ns == 0 ) {
 694                                 continue;
 695                         }
 696
 697                         $this->output( "Cleaning up broken links for namespace $ns... " );
 698                         $this->db->update( 'pagelinks',
 699                                 [
 700                                         'pl_namespace' => $ns,
 701                                         "pl_title = TRIM(LEADING {$this->db->addQuotes( "$name:" )} FROM pl_title)",
 702                                 ],
 703                                 [
 704                                         'pl_namespace' => 0,
 705                                         'pl_title' . $this->db->buildLike( "$name:", $this->db->anyString() ),
 706                                 ],
 707                                 __METHOD__
 708                         );
 709                         $this->output( "done.\n" );
 710                 }
 711         }
 712
 713         protected function doUserUniqueUpdate() {
 714                 if ( !$this->doTable( 'user' ) ) {
 715                         return true;
 716                 }
 717
 718                 $duper = new UserDupes( $this->db, [ $this, 'output' ] );
 719                 if ( $duper->hasUniqueIndex() ) {
 720                         $this->output( "...already have unique user_name index.\n" );
 721
 722                         return;
 723                 }
 724
 725                 if ( !$duper->clearDupes() ) {
 726                         $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 727                 }
 728                 $this->applyPatch( 'patch-user_nameindex.sql', false, "Adding unique index on user_name" );
 729         }
 730
 731         protected function doUserGroupsUpdate() {
 732                 if ( !$this->doTable( 'user_groups' ) ) {
 733                         return true;
 734                 }
 735
 736                 if ( $this->db->tableExists( 'user_groups', __METHOD__ ) ) {
 737                         $info = $this->db->fieldInfo( 'user_groups', 'ug_group' );
 738                         if ( $info->type() == 'int' ) {
 739                                 $oldug = $this->db->tableName( 'user_groups' );
 740                                 $newug = $this->db->tableName( 'user_groups_bogus' );
 741                                 $this->output( "user_groups table exists but is in bogus intermediate " .
 742                                         "format. Renaming to $newug... " );
 743                                 $this->db->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__ );
 744                                 $this->output( "done.\n" );
 745
 746                                 $this->applyPatch( 'patch-user_groups.sql', false, "Re-adding fresh user_groups table" );
 747
 748                                 $this->output( "***\n" );
 749                                 $this->output( "*** WARNING: You will need to manually fix up user " .
 750                                         "permissions in the user_groups\n" );
 751                                 $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 752                                 $this->output( "***\n" );
 753                         } else {
 754                                 $this->output( "...user_groups table exists and is in current format.\n" );
 755                         }
 756
 757                         return;
 758                 }
 759
 760                 $this->applyPatch( 'patch-user_groups.sql', false, "Adding user_groups table" );
 761
 762                 if ( !$this->db->tableExists( 'user_rights', __METHOD__ ) ) {
 763                         if ( $this->db->fieldExists( 'user', 'user_rights', __METHOD__ ) ) {
 764                                 $this->applyPatch(
 765                                         'patch-user_rights.sql',
 766                                         false,
 767                                         'Upgrading from a 1.3 or older database? Breaking out user_rights for conversion'
 768                                 );
 769                         } else {
 770                                 $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 771                                 $this->output( "*** You may need to manually configure some sysops by manipulating\n" );
 772                                 $this->output( "*** the user_groups table.\n" );
 773
 774                                 return;
 775                         }
 776                 }
 777
 778                 $this->output( "Converting user_rights table to user_groups... " );
 779                 $result = $this->db->select( 'user_rights',
 780                         [ 'ur_user', 'ur_rights' ],
 781                         [ "ur_rights != ''" ],
 782                         __METHOD__ );
 783
 784                 foreach ( $result as $row ) {
 785                         $groups = array_unique(
 786                                 array_map( 'trim',
 787                                         explode( ',', $row->ur_rights ) ) );
 788
 789                         foreach ( $groups as $group ) {
 790                                 $this->db->insert( 'user_groups',
 791                                         [
 792                                                 'ug_user' => $row->ur_user,
 793                                                 'ug_group' => $group ],
 794                                         __METHOD__ );
 795                         }
 796                 }
 797                 $this->output( "done.\n" );
 798         }
 799
 800         /**
 801          * Make sure wl_notificationtimestamp can be NULL,
 802          * and update old broken items.
 803          */
 804         protected function doWatchlistNull() {
 805                 $info = $this->db->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 806                 if ( !$info ) {
 807                         return;
 808                 }
 809                 if ( $info->isNullable() ) {
 810                         $this->output( "...wl_notificationtimestamp is already nullable.\n" );
 811
 812                         return;
 813                 }
 814
 815                 $this->applyPatch(
 816                         'patch-watchlist-null.sql',
 817                         false,
 818                         'Making wl_notificationtimestamp nullable'
 819                 );
 820         }
 821
 822         /**
 823          * Set page_random field to a random value where it is equals to 0.
 824          *
 825          * @see bug 3946
 826          */
 827         protected function doPageRandomUpdate() {
 828                 $page = $this->db->tableName( 'page' );
 829                 $this->db->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__ );
 830                 $rows = $this->db->affectedRows();
 831
 832                 if ( $rows ) {
 833                         $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" );
 834                 } else {
 835                         $this->output( "...no page_random rows needed to be set\n" );
 836                 }
 837         }
 838
 839         protected function doTemplatelinksUpdate() {
 840                 if ( $this->db->tableExists( 'templatelinks', __METHOD__ ) ) {
 841                         $this->output( "...templatelinks table already exists\n" );
 842
 843                         return;
 844                 }
 845
 846                 $this->applyPatch( 'patch-templatelinks.sql', false, "Creating templatelinks table" );
 847
 848                 $this->output( "Populating...\n" );
 849                 if ( wfGetLB()->getServerCount() > 1 ) {
 850                         // Slow, replication-friendly update
 851                         $res = $this->db->select( 'pagelinks', [ 'pl_from', 'pl_namespace', 'pl_title' ],
 852                                 [ 'pl_namespace' => NS_TEMPLATE ], __METHOD__ );
 853                         $count = 0;
 854                         foreach ( $res as $row ) {
 855                                 $count = ( $count + 1 ) % 100;
 856                                 if ( $count == 0 ) {
 857                                         $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
 858                                         $lbFactory->waitForReplication( [ 'wiki' => wfWikiID() ] );
 859                                 }
 860                                 $this->db->insert( 'templatelinks',
 861                                         [
 862                                                 'tl_from' => $row->pl_from,
 863                                                 'tl_namespace' => $row->pl_namespace,
 864                                                 'tl_title' => $row->pl_title,
 865                                         ], __METHOD__
 866                                 );
 867                         }
 868                 } else {
 869                         // Fast update
 870                         $this->db->insertSelect( 'templatelinks', 'pagelinks',
 871                                 [
 872                                         'tl_from' => 'pl_from',
 873                                         'tl_namespace' => 'pl_namespace',
 874                                         'tl_title' => 'pl_title'
 875                                 ], [
 876                                         'pl_namespace' => 10
 877                                 ], __METHOD__
 878                         );
 879                 }
 880                 $this->output( "Done. Please run maintenance/refreshLinks.php for a more " .
 881                         "thorough templatelinks update.\n" );
 882         }
 883
 884         protected function doBacklinkingIndicesUpdate() {
 885                 if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
 886                         !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
 887                         !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' )
 888                 ) {
 889                         $this->applyPatch( 'patch-backlinkindexes.sql', false, "Updating backlinking indices" );
 890                 }
 891         }
 892
 893         /**
 894          * Adding page_restrictions table, obsoleting page.page_restrictions.
 895          * Migrating old restrictions to new table
 896          * -- Andrew Garrett, January 2007.
 897          */
 898         protected function doRestrictionsUpdate() {
 899                 if ( $this->db->tableExists( 'page_restrictions', __METHOD__ ) ) {
 900                         $this->output( "...page_restrictions table already exists.\n" );
 901
 902                         return;
 903                 }
 904
 905                 $this->applyPatch(
 906                         'patch-page_restrictions.sql',
 907                         false,
 908                         'Creating page_restrictions table (1/2)'
 909                 );
 910                 $this->applyPatch(
 911                         'patch-page_restrictions_sortkey.sql',
 912                         false,
 913                         'Creating page_restrictions table (2/2)'
 914                 );
 915                 $this->output( "done.\n" );
 916
 917                 $this->output( "Migrating old restrictions to new table...\n" );
 918                 $task = $this->maintenance->runChild( 'UpdateRestrictions' );
 919                 $task->execute();
 920         }
 921
 922         protected function doCategorylinksIndicesUpdate() {
 923                 if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) {
 924                         $this->applyPatch( 'patch-categorylinksindex.sql', false, "Updating categorylinks Indices" );
 925                 }
 926         }
 927
 928         protected function doCategoryPopulation() {
 929                 if ( $this->updateRowExists( 'populate category' ) ) {
 930                         $this->output( "...category table already populated.\n" );
 931
 932                         return;
 933                 }
 934
 935                 $this->output(
 936                         "Populating category table, printing progress markers. " .
 937                         "For large databases, you\n" .
 938                         "may want to hit Ctrl-C and do this manually with maintenance/\n" .
 939                         "populateCategory.php.\n"
 940                 );
 941                 $task = $this->maintenance->runChild( 'PopulateCategory' );
 942                 $task->execute();
 943                 $this->output( "Done populating category table.\n" );
 944         }
 945
 946         protected function doPopulateParentId() {
 947                 if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) {
 948                         $this->output(
 949                                 "Populating rev_parent_id fields, printing progress markers. For large\n" .
 950                                 "databases, you may want to hit Ctrl-C and do this manually with\n" .
 951                                 "maintenance/populateParentId.php.\n" );
 952
 953                         $task = $this->maintenance->runChild( 'PopulateParentId' );
 954                         $task->execute();
 955                 }
 956         }
 957
 958         protected function doMaybeProfilingMemoryUpdate() {
 959                 if ( !$this->doTable( 'profiling' ) ) {
 960                         return true;
 961                 }
 962
 963                 if ( !$this->db->tableExists( 'profiling', __METHOD__ ) ) {
 964                         return true;
 965                 } elseif ( $this->db->fieldExists( 'profiling', 'pf_memory', __METHOD__ ) ) {
 966                         $this->output( "...profiling table has pf_memory field.\n" );
 967
 968                         return true;
 969                 }
 970
 971                 return $this->applyPatch(
 972                         'patch-profiling-memory.sql',
 973                         false,
 974                         'Adding pf_memory field to table profiling'
 975                 );
 976         }
 977
 978         protected function doFilearchiveIndicesUpdate() {
 979                 $info = $this->db->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 980                 if ( !$info ) {
 981                         $this->applyPatch( 'patch-filearchive-user-index.sql', false, "Updating filearchive indices" );
 982                 }
 983
 984                 return true;
 985         }
 986
 987         protected function doNonUniquePlTlIl() {
 988                 $info = $this->db->indexInfo( 'pagelinks', 'pl_namespace' );
 989                 if ( is_array( $info ) && $info[0]->Non_unique ) {
 990                         $this->output( "...pl_namespace, tl_namespace, il_to indices are already non-UNIQUE.\n" );
 991
 992                         return true;
 993                 }
 994                 if ( $this->skipSchema ) {
 995                         $this->output( "...skipping schema change (making pl_namespace, tl_namespace " .
 996                                 "and il_to indices non-UNIQUE).\n" );
 997
 998                         return false;
 999                 }
1000
1001                 return $this->applyPatch(
1002                         'patch-pl-tl-il-nonunique.sql',
1003                         false,
1004                         'Making pl_namespace, tl_namespace and il_to indices non-UNIQUE'
1005                 );
1006         }
1007
1008         protected function doUpdateMimeMinorField() {
1009                 if ( $this->updateRowExists( 'mime_minor_length' ) ) {
1010                         $this->output( "...*_mime_minor fields are already long enough.\n" );
1011
1012                         return;
1013                 }
1014
1015                 $this->applyPatch(
1016                         'patch-mime_minor_length.sql',
1017                         false,
1018                         'Altering all *_mime_minor fields to 100 bytes in size'
1019                 );
1020         }
1021
1022         protected function doClFieldsUpdate() {
1023                 if ( $this->updateRowExists( 'cl_fields_update' ) ) {
1024                         $this->output( "...categorylinks up-to-date.\n" );
1025
1026                         return;
1027                 }
1028
1029                 $this->applyPatch(
1030                         'patch-categorylinks-better-collation2.sql',
1031                         false,
1032                         'Updating categorylinks (again)'
1033                 );
1034         }
1035
1036         protected function doLangLinksLengthUpdate() {
1037                 $langlinks = $this->db->tableName( 'langlinks' );
1038                 $res = $this->db->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" );
1039                 $row = $this->db->fetchObject( $res );
1040
1041                 if ( $row && $row->Type == "varbinary(10)" ) {
1042                         $this->applyPatch(
1043                                 'patch-langlinks-ll_lang-20.sql',
1044                                 false,
1045                                 'Updating length of ll_lang in langlinks'
1046                         );
1047                 } else {
1048                         $this->output( "...ll_lang is up-to-date.\n" );
1049                 }
1050         }
1051
1052         protected function doUserNewTalkTimestampNotNull() {
1053                 if ( !$this->doTable( 'user_newtalk' ) ) {
1054                         return true;
1055                 }
1056
1057                 $info = $this->db->fieldInfo( 'user_newtalk', 'user_last_timestamp' );
1058                 if ( $info === false ) {
1059                         return;
1060                 }
1061                 if ( $info->isNullable() ) {
1062                         $this->output( "...user_last_timestamp is already nullable.\n" );
1063
1064                         return;
1065                 }
1066
1067                 $this->applyPatch(
1068                         'patch-user-newtalk-timestamp-null.sql',
1069                         false,
1070                         'Making user_last_timestamp nullable'
1071                 );
1072         }
1073
1074         protected function doIwlinksIndexNonUnique() {
1075                 $info = $this->db->indexInfo( 'iwlinks', 'iwl_prefix_title_from' );
1076                 if ( is_array( $info ) && $info[0]->Non_unique ) {
1077                         $this->output( "...iwl_prefix_title_from index is already non-UNIQUE.\n" );
1078
1079                         return true;
1080                 }
1081                 if ( $this->skipSchema ) {
1082                         $this->output( "...skipping schema change (making iwl_prefix_title_from index non-UNIQUE).\n" );
1083
1084                         return false;
1085                 }
1086
1087                 return $this->applyPatch(
1088                         'patch-iwl_prefix_title_from-non-unique.sql',
1089                         false,
1090                         'Making iwl_prefix_title_from index non-UNIQUE'
1091                 );
1092         }
1093
1094         protected function doUserNewTalkUseridUnsigned() {
1095                 if ( !$this->doTable( 'user_newtalk' ) ) {
1096                         return true;
1097                 }
1098
1099                 $info = $this->db->fieldInfo( 'user_newtalk', 'user_id' );
1100                 if ( $info === false ) {
1101                         return true;
1102                 }
1103                 if ( $info->isUnsigned() ) {
1104                         $this->output( "...user_id is already unsigned int.\n" );
1105
1106                         return true;
1107                 }
1108
1109                 return $this->applyPatch(
1110                         'patch-user-newtalk-userid-unsigned.sql',
1111                         false,
1112                         'Making user_id unsigned int'
1113                 );
1114         }
1115
1116         protected function doRevisionPageRevIndexNonUnique() {
1117                 if ( !$this->doTable( 'revision' ) ) {
1118                         return true;
1119                 } elseif ( !$this->db->indexExists( 'revision', 'rev_page_id' ) ) {
1120                         $this->output( "...rev_page_id index not found on revision.\n" );
1121                         return true;
1122                 }
1123
1124                 if ( !$this->db->indexUnique( 'revision', 'rev_page_id' ) ) {
1125                         $this->output( "...rev_page_id index already non-unique.\n" );
1126                         return true;
1127                 }
1128
1129                 return $this->applyPatch(
1130                         'patch-revision-page-rev-index-nonunique.sql',
1131                         false,
1132                         'Making rev_page_id index non-unique'
1133                 );
1134         }
1135
1136         public function getSchemaVars() {
1137                 global $wgDBTableOptions;
1138
1139                 $vars = [];
1140                 $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
1141                 $vars['wgDBTableOptions'] = str_replace(
1142                         'CHARSET=mysql4',
1143                         'CHARSET=binary',
1144                         $vars['wgDBTableOptions']
1145                 );
1146
1147                 return $vars;
1148         }
1149 }