includes/installer/MysqlUpdater.php

   1 <?php
   2 /**
   3  * MySQL-specific updater.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Mysql update list and mysql-specific update functions.
  11  *
  12  * @ingroup Deployment
  13  * @since 1.17
  14  */
  15 class MysqlUpdater extends DatabaseUpdater {
  16
  17         protected function getCoreUpdateList() {
  18                 return array(
  19                         // 1.2
  20                         array( 'addField', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  21                         array( 'addField', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  22                         array( 'doInterwikiUpdate' ),
  23                         array( 'doIndexUpdate' ),
  24                         array( 'addTable', 'hitcounter',                        'patch-hitcounter.sql' ),
  25                         array( 'addField', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  26
  27                         // 1.3
  28                         array( 'addField', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  29                         array( 'addTable', 'querycache',                        'patch-querycache.sql' ),
  30                         array( 'addTable', 'objectcache',                       'patch-objectcache.sql' ),
  31                         array( 'addTable', 'categorylinks',                     'patch-categorylinks.sql' ),
  32                         array( 'doOldLinksUpdate' ),
  33                         array( 'doFixAncientImagelinks' ),
  34                         array( 'addField', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  35
  36                         // 1.4
  37                         array( 'addIndex', 'image',         'PRIMARY',          'patch-image_name_primary.sql' ),
  38                         array( 'addField', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  39                         array( 'addField', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  40                         array( 'addTable', 'logging',                           'patch-logging.sql' ),
  41                         array( 'addField', 'user',          'user_token',       'patch-user_token.sql' ),
  42                         array( 'addField', 'watchlist',     'wl_notificationtimestamp', 'patch-email-notification.sql' ),
  43                         array( 'doWatchlistUpdate' ),
  44                         array( 'dropField', 'user',         'user_emailauthenticationtimestamp', 'patch-email-authentication.sql' ),
  45
  46                         // 1.5
  47                         array( 'doSchemaRestructuring' ),
  48                         array( 'addField', 'logging',       'log_params',       'patch-log_params.sql' ),
  49                         array( 'checkBin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  50                         array( 'addField', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  51                         array( 'addField', 'page',          'page_len',         'patch-page_len.sql' ),
  52                         array( 'dropField', 'revision',     'inverse_timestamp', 'patch-inverse_timestamp.sql' ),
  53                         array( 'addField', 'revision',      'rev_text_id',      'patch-rev_text_id.sql' ),
  54                         array( 'addField', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  55                         array( 'addField', 'image',         'img_width',        'patch-img_width.sql' ),
  56                         array( 'addField', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  57                         array( 'addField', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  58                         array( 'addField', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  59                         array( 'doNamespaceSize' ),
  60                         array( 'addField', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  61                         array( 'doPagelinksUpdate' ),
  62                         array( 'dropField', 'image',        'img_type',         'patch-drop_img_type.sql' ),
  63                         array( 'doUserUniqueUpdate' ),
  64                         array( 'doUserGroupsUpdate' ),
  65                         array( 'addField', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  66                         array( 'addTable', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  67                         array( 'addTable', 'transcache',                        'patch-transcache.sql' ),
  68                         array( 'addField', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  69                         array( 'addTable', 'trackbacks',                        'patch-trackbacks.sql' ),
  70
  71                         // 1.6
  72                         array( 'doWatchlistNull' ),
  73                         array( 'addIndex', 'logging',         'times',            'patch-logging-times-index.sql' ),
  74                         array( 'addField', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  75                         array( 'doPageRandomUpdate' ),
  76                         array( 'addField', 'user',            'user_registration', 'patch-user_registration.sql' ),
  77                         array( 'doTemplatelinksUpdate' ),
  78                         array( 'addTable', 'externallinks',                       'patch-externallinks.sql' ),
  79                         array( 'addTable', 'job',                                 'patch-job.sql' ),
  80                         array( 'addField', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  81                         array( 'addTable', 'langlinks',                           'patch-langlinks.sql' ),
  82                         array( 'addTable', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  83                         array( 'addTable', 'filearchive',                         'patch-filearchive.sql' ),
  84                         array( 'addField', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  85                         array( 'addIndex', 'recentchanges',   'rc_ns_usertext',   'patch-recentchanges-utindex.sql' ),
  86                         array( 'addIndex', 'recentchanges',   'rc_user_text',     'patch-rc_user_text-index.sql' ),
  87
  88                         // 1.9
  89                         array( 'addField', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
  90                         array( 'addTable', 'redirect',                           'patch-redirect.sql' ),
  91                         array( 'addTable', 'querycachetwo',                      'patch-querycachetwo.sql' ),
  92                         array( 'addField', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  93                         array( 'doBacklinkingIndicesUpdate' ),
  94                         array( 'addField', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
  95                         array( 'addField', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
  96
  97                         // 1.10
  98                         array( 'doRestrictionsUpdate' ),
  99                         array( 'addField', 'logging',       'log_id',           'patch-log_id.sql' ),
 100                         array( 'addField', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 101                         array( 'addField', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 102                         array( 'addField', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 103                         array( 'addField', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 104                         array( 'addField', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 105                         array( 'addField', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 106                         array( 'addField', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 107                         array( 'addField', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 108                         array( 'addField', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 109
 110                         // 1.11
 111                         array( 'addField', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 112                         array( 'doCategorylinksIndicesUpdate' ),
 113                         array( 'addField', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql' ),
 114                         array( 'addIndex', 'archive',       'usertext_timestamp', 'patch-archive-user-index.sql' ),
 115                         array( 'addIndex', 'image',         'img_usertext_timestamp', 'patch-image-user-index.sql' ),
 116                         array( 'addIndex', 'oldimage',      'oi_usertext_timestamp', 'patch-oldimage-user-index.sql' ),
 117                         array( 'addField', 'archive',       'ar_page_id',       'patch-archive-page_id.sql' ),
 118                         array( 'addField', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 119
 120                         // 1.12
 121                         array( 'addTable', 'protected_titles',                  'patch-protected_titles.sql' ),
 122
 123                         // 1.13
 124                         array( 'addField', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 125                         array( 'addTable', 'page_props',                        'patch-page_props.sql' ),
 126                         array( 'addTable', 'updatelog',                         'patch-updatelog.sql' ),
 127                         array( 'addTable', 'category',                          'patch-category.sql' ),
 128                         array( 'doCategoryPopulation' ),
 129                         array( 'addField', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql' ),
 130                         array( 'addField', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql' ),
 131                         array( 'doPopulateParentId' ),
 132                         array( 'checkBin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 133                         array( 'doMaybeProfilingMemoryUpdate' ),
 134                         array( 'doFilearchiveIndicesUpdate' ),
 135
 136                         // 1.14
 137                         array( 'addField', 'site_stats',    'ss_active_users',  'patch-ss_active_users.sql' ),
 138                         array( 'doActiveUsersInit' ),
 139                         array( 'addField', 'ipblocks',      'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ),
 140
 141                         // 1.15
 142                         array( 'doUniquePlTlIl' ),
 143                         array( 'addTable', 'change_tag',                        'patch-change_tag.sql' ),
 144                         array( 'addTable', 'tag_summary',                       'patch-change_tag.sql' ),
 145                         array( 'addTable', 'valid_tag',                         'patch-change_tag.sql' ),
 146
 147                         // 1.16
 148                         array( 'addTable', 'user_properties',                   'patch-user_properties.sql' ),
 149                         array( 'addTable', 'log_search',                        'patch-log_search.sql' ),
 150                         array( 'addField', 'logging',       'log_user_text',    'patch-log_user_text.sql' ),
 151                         array( 'doLogUsertextPopulation' ), # listed separately from the previous update because 1.16 was released without this update
 152                         array( 'doLogSearchPopulation' ),
 153                         array( 'addTable', 'l10n_cache',                        'patch-l10n_cache.sql' ),
 154                         array( 'addTable', 'external_user',                     'patch-external_user.sql' ),
 155                         array( 'addIndex', 'log_search',    'ls_field_val',     'patch-log_search-rename-index.sql' ),
 156                         array( 'addIndex', 'change_tag',    'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 157                         array( 'addField', 'redirect',      'rd_interwiki',     'patch-rd_interwiki.sql' ),
 158                         array( 'doUpdateTranscacheField' ),
 159                         array( 'renameEuWikiId' ),
 160                         array( 'doUpdateMimeMinorField' ),
 161
 162                         // 1.17
 163                         array( 'addTable', 'iwlinks',                           'patch-iwlinks.sql' ),
 164                         array( 'addIndex', 'iwlinks', 'iwl_prefix_title_from',  'patch-rename-iwl_prefix.sql' ),
 165                         array( 'addField', 'updatelog',     'ul_value',         'patch-ul_value.sql' ),
 166                         array( 'addField', 'interwiki',     'iw_api',           'patch-iw_api_and_wikiid.sql' ),
 167                         array( 'dropIndex', 'iwlinks',      'iwl_prefix',       'patch-kill-iwl_prefix.sql' ),
 168                         array( 'dropIndex', 'iwlinks',      'iwl_prefix_from_title', 'patch-kill-iwl_pft.sql' ),
 169                         array( 'addField', 'categorylinks', 'cl_collation',     'patch-categorylinks-better-collation.sql' ),
 170                         array( 'doClFieldsUpdate' ),
 171                         array( 'doCollationUpdate' ),
 172                         array( 'addTable', 'msg_resource',                      'patch-msg_resource.sql' ),
 173                         array( 'addTable', 'module_deps',                       'patch-module_deps.sql' ),
 174                         array( 'dropIndex', 'archive',      'ar_page_revid',    'patch-archive_kill_ar_page_revid.sql' ),
 175                         array( 'addIndex', 'archive',       'ar_revid',         'patch-archive_ar_revid.sql' ),
 176                         array( 'doLangLinksLengthUpdate' ),
 177
 178                         // 1.18
 179                         array( 'doUserNewTalkTimestampNotNull' ),
 180                         array( 'addIndex', 'user',          'user_email',       'patch-user_email_index.sql' ),
 181                         array( 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ),
 182                         array( 'addTable', 'uploadstash',                       'patch-uploadstash.sql' ),
 183                         array( 'addTable', 'user_former_groups',                'patch-user_former_groups.sql'),
 184
 185                         // 1.19
 186                         array( 'addTable', 'config',                            'patch-config.sql' ),
 187                         array( 'addIndex', 'logging',       'type_action',      'patch-logging-type-action-index.sql'),
 188                         array( 'doMigrateUserOptions' ),
 189                         array( 'dropField', 'user',         'user_options', 'patch-drop-user_options.sql' ),
 190                         array( 'addField', 'revision',      'rev_sha1',         'patch-rev_sha1.sql' ),
 191                         array( 'addField', 'archive',       'ar_sha1',          'patch-ar_sha1.sql' ),
 192                         array( 'addIndex', 'page', 'page_redirect_namespace_len', 'patch-page_redirect_namespace_len.sql' ),
 193                         array( 'modifyField', 'user', 'ug_group', 'patch-ug_group-length-increase.sql' ),
 194                 );
 195         }
 196
 197         /**
 198          * 1.4 betas were missing the 'binary' marker from logging.log_title,
 199          * which causes a collation mismatch error on joins in MySQL 4.1.
 200          *
 201          * @param $table String: table name
 202          * @param $field String: field name to check
 203          * @param $patchFile String: path to the patch to correct the field
 204          */
 205         protected function checkBin( $table, $field, $patchFile ) {
 206                 $tableName = $this->db->tableName( $table );
 207                 $res = $this->db->query( "SELECT $field FROM $tableName LIMIT 0", __METHOD__ );
 208                 $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 209
 210                 if ( in_array( 'binary', $flags ) ) {
 211                         $this->output( "...$table table has correct $field encoding.\n" );
 212                 } else {
 213                         $this->output( "Fixing $field encoding on $table table... " );
 214                         $this->applyPatch( $patchFile );
 215                         $this->output( "done.\n" );
 216                 }
 217         }
 218
 219         /**
 220          * Check whether an index contain a field
 221          *
 222          * @param $table String: table name
 223          * @param $index String: index name to check
 224          * @param $field String: field that should be in the index
 225          * @return Boolean
 226          */
 227         protected function indexHasField( $table, $index, $field ) {
 228                 $info = $this->db->indexInfo( $table, $index, __METHOD__ );
 229                 if ( $info ) {
 230                         foreach ( $info as $row ) {
 231                                 if ( $row->Column_name == $field ) {
 232                                         $this->output( "...index $index on table $table includes field $field.\n" );
 233                                         return true;
 234                                 }
 235                         }
 236                 }
 237                 $this->output( "...index $index on table $table has no field $field; added.\n" );
 238                 return false;
 239         }
 240
 241         /**
 242          * Check that interwiki table exists; if it doesn't source it
 243          */
 244         protected function doInterwikiUpdate() {
 245                 global $IP;
 246
 247                 if ( $this->db->tableExists( "interwiki", __METHOD__ ) ) {
 248                         $this->output( "...already have interwiki table\n" );
 249                         return;
 250                 }
 251
 252                 $this->output( 'Creating interwiki table...' );
 253                 $this->applyPatch( 'patch-interwiki.sql' );
 254                 $this->output( "done.\n" );
 255                 $this->output( 'Adding default interwiki definitions...' );
 256                 $this->applyPatch( "$IP/maintenance/interwiki.sql", true );
 257                 $this->output( "done.\n" );
 258         }
 259
 260         /**
 261          * Check that proper indexes are in place
 262          */
 263         protected function doIndexUpdate() {
 264                 $meta = $this->db->fieldInfo( 'recentchanges', 'rc_timestamp' );
 265                 if ( $meta === false ) {
 266                         throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' );
 267                 }
 268                 if ( $meta->isMultipleKey() ) {
 269                         $this->output( "...indexes seem up to 20031107 standards.\n" );
 270                         return;
 271                 }
 272
 273                 $this->output( "Updating indexes to 20031107..." );
 274                 $this->applyPatch( 'patch-indexes.sql', true );
 275                 $this->output( "done.\n" );
 276         }
 277
 278         protected function doOldLinksUpdate() {
 279                 $cl = $this->maintenance->runChild( 'ConvertLinks' );
 280                 $cl->execute();
 281         }
 282
 283         protected function doFixAncientImagelinks() {
 284                 $info = $this->db->fieldInfo( 'imagelinks', 'il_from' );
 285                 if ( !$info || $info->type() !== 'string' ) {
 286                         $this->output( "...il_from OK\n" );
 287                         return;
 288                 }
 289
 290                 $this->output( "Fixing ancient broken imagelinks table.\n" );
 291                 $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 292                 $this->applyPatch( 'patch-fix-il_from.sql' );
 293                 $this->output( "done.\n" );
 294         }
 295
 296         /**
 297          * Check if we need to add talk page rows to the watchlist
 298          */
 299         function doWatchlistUpdate() {
 300                 $talk = $this->db->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__ );
 301                 $nontalk = $this->db->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', __METHOD__ );
 302                 if ( $talk == $nontalk ) {
 303                         $this->output( "...watchlist talk page rows already present.\n" );
 304                         return;
 305                 }
 306
 307                 $this->output( "Adding missing watchlist talk page rows... " );
 308                 $this->db->insertSelect( 'watchlist', 'watchlist',
 309                         array(
 310                                 'wl_user' => 'wl_user',
 311                                 'wl_namespace' => 'wl_namespace | 1',
 312                                 'wl_title' => 'wl_title',
 313                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 314                         ), array( 'NOT (wl_namespace & 1)' ), __METHOD__, 'IGNORE' );
 315                 $this->output( "done.\n" );
 316         }
 317
 318         function doSchemaRestructuring() {
 319                 if ( $this->db->tableExists( 'page', __METHOD__ ) ) {
 320                         $this->output( "...page table already exists.\n" );
 321                         return;
 322                 }
 323
 324                 $this->output( "...converting from cur/old to page/revision/text DB structure.\n" );
 325                 $this->output( wfTimestamp( TS_DB ) );
 326                 $this->output( "......checking for duplicate entries.\n" );
 327
 328                 list ( $cur, $old, $page, $revision, $text ) = $this->db->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 329
 330                 $rows = $this->db->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 331                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", __METHOD__ );
 332
 333                 if ( $rows->numRows() > 0 ) {
 334                         $this->output( wfTimestamp( TS_DB ) );
 335                         $this->output( "......<b>Found duplicate entries</b>\n" );
 336                         $this->output( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 337                         $duplicate = array();
 338                         foreach ( $rows as $row ) {
 339                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 340                                         $duplicate[$row->cur_namespace] = array();
 341                                 }
 342                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 343                                 $this->output( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 344                         }
 345                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 346                         $firstCond = true;
 347                         foreach ( $duplicate as $ns => $titles ) {
 348                                 if ( $firstCond ) {
 349                                         $firstCond = false;
 350                                 } else {
 351                                         $sql .= ' OR ';
 352                                 }
 353                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 354                                 $first = true;
 355                                 foreach ( $titles as $t ) {
 356                                         if ( $first ) {
 357                                                 $sql .= $this->db->addQuotes( $t );
 358                                                 $first = false;
 359                                         } else {
 360                                                 $sql .= ', ' . $this->db->addQuotes( $t );
 361                                         }
 362                                 }
 363                                 $sql .= ") ) \n";
 364                         }
 365                         # By sorting descending, the most recent entry will be the first in the list.
 366                         # All following entries will be deleted by the next while-loop.
 367                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 368
 369                         $rows = $this->db->query( $sql, __METHOD__ );
 370
 371                         $prev_title = $prev_namespace = false;
 372                         $deleteId = array();
 373
 374                         foreach ( $rows as $row ) {
 375                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 376                                         $deleteId[] = $row->cur_id;
 377                                 }
 378                                 $prev_title     = $row->cur_title;
 379                                 $prev_namespace = $row->cur_namespace;
 380                         }
 381                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 382                         $this->db->query( $sql, __METHOD__ );
 383                         $this->output( wfTimestamp( TS_DB ) );
 384                         $this->output( "......<b>Deleted</b> " . $this->db->affectedRows() . " records.\n" );
 385                 }
 386
 387                 $this->output( wfTimestamp( TS_DB ) );
 388                 $this->output( "......Creating tables.\n" );
 389                 $this->db->query( "CREATE TABLE $page (
 390                         page_id int(8) unsigned NOT NULL auto_increment,
 391                         page_namespace int NOT NULL,
 392                         page_title varchar(255) binary NOT NULL,
 393                         page_restrictions tinyblob NOT NULL,
 394                         page_counter bigint(20) unsigned NOT NULL default '0',
 395                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 396                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 397                         page_random real unsigned NOT NULL,
 398                         page_touched char(14) binary NOT NULL default '',
 399                         page_latest int(8) unsigned NOT NULL,
 400                         page_len int(8) unsigned NOT NULL,
 401
 402                         PRIMARY KEY page_id (page_id),
 403                         UNIQUE INDEX name_title (page_namespace,page_title),
 404                         INDEX (page_random),
 405                         INDEX (page_len)
 406                         ) ENGINE=InnoDB", __METHOD__ );
 407                 $this->db->query( "CREATE TABLE $revision (
 408                         rev_id int(8) unsigned NOT NULL auto_increment,
 409                         rev_page int(8) unsigned NOT NULL,
 410                         rev_comment tinyblob NOT NULL,
 411                         rev_user int(5) unsigned NOT NULL default '0',
 412                         rev_user_text varchar(255) binary NOT NULL default '',
 413                         rev_timestamp char(14) binary NOT NULL default '',
 414                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 415                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 416                         rev_len int(8) unsigned,
 417                         rev_parent_id int(8) unsigned default NULL,
 418                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 419                         UNIQUE INDEX rev_id (rev_id),
 420                         INDEX rev_timestamp (rev_timestamp),
 421                         INDEX page_timestamp (rev_page,rev_timestamp),
 422                         INDEX user_timestamp (rev_user,rev_timestamp),
 423                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 424                         ) ENGINE=InnoDB", __METHOD__ );
 425
 426                 $this->output( wfTimestamp( TS_DB ) );
 427                 $this->output( "......Locking tables.\n" );
 428                 $this->db->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", __METHOD__ );
 429
 430                 $maxold = intval( $this->db->selectField( 'old', 'max(old_id)', '', __METHOD__ ) );
 431                 $this->output( wfTimestamp( TS_DB ) );
 432                 $this->output( "......maxold is {$maxold}\n" );
 433
 434                 $this->output( wfTimestamp( TS_DB ) );
 435                 global $wgLegacySchemaConversion;
 436                 if ( $wgLegacySchemaConversion ) {
 437                         // Create HistoryBlobCurStub entries.
 438                         // Text will be pulled from the leftover 'cur' table at runtime.
 439                         $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 440                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 441                         $cur_flags = "'object'";
 442                 } else {
 443                         // Copy all cur text in immediately: this may take longer but avoids
 444                         // having to keep an extra table around.
 445                         $this->output( "......Moving text from cur.\n" );
 446                         $cur_text = 'cur_text';
 447                         $cur_flags = "''";
 448                 }
 449                 $this->db->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 450                                         old_timestamp, old_minor_edit, old_flags)
 451                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 452                         FROM $cur", __METHOD__ );
 453
 454                 $this->output( wfTimestamp( TS_DB ) );
 455                 $this->output( "......Setting up revision table.\n" );
 456                 $this->db->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 457                                 rev_minor_edit)
 458                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 459                                 old_timestamp, old_minor_edit
 460                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", __METHOD__ );
 461
 462                 $this->output( wfTimestamp( TS_DB ) );
 463                 $this->output( "......Setting up page table.\n" );
 464                 $this->db->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 465                         page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 466                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 467                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 468                         FROM $cur,$revision
 469                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", __METHOD__ );
 470
 471                 $this->output( wfTimestamp( TS_DB ) );
 472                 $this->output( "......Unlocking tables.\n" );
 473                 $this->db->query( "UNLOCK TABLES", __METHOD__ );
 474
 475                 $this->output( wfTimestamp( TS_DB ) );
 476                 $this->output( "......Renaming old.\n" );
 477                 $this->db->query( "ALTER TABLE $old RENAME TO $text", __METHOD__ );
 478
 479                 $this->output( wfTimestamp( TS_DB ) );
 480                 $this->output( "...done.\n" );
 481         }
 482
 483         protected function doNamespaceSize() {
 484                 $tables = array(
 485                         'page'          => 'page',
 486                         'archive'       => 'ar',
 487                         'recentchanges' => 'rc',
 488                         'watchlist'     => 'wl',
 489                         'querycache'    => 'qc',
 490                         'logging'       => 'log',
 491                 );
 492                 foreach ( $tables as $table => $prefix ) {
 493                         $field = $prefix . '_namespace';
 494
 495                         $tablename = $this->db->tableName( $table );
 496                         $result = $this->db->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__ );
 497                         $info = $this->db->fetchObject( $result );
 498
 499                         if ( substr( $info->Type, 0, 3 ) == 'int' ) {
 500                                 $this->output( "...$field is already a full int ($info->Type).\n" );
 501                         } else {
 502                                 $this->output( "Promoting $field from $info->Type to int... " );
 503                                 $this->db->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__ );
 504                                 $this->output( "done.\n" );
 505                         }
 506                 }
 507         }
 508
 509         protected function doPagelinksUpdate() {
 510                 if ( $this->db->tableExists( 'pagelinks', __METHOD__ ) ) {
 511                         $this->output( "...already have pagelinks table.\n" );
 512                         return;
 513                 }
 514
 515                 $this->output( "Converting links and brokenlinks tables to pagelinks... " );
 516                 $this->applyPatch( 'patch-pagelinks.sql' );
 517                 $this->output( "done.\n" );
 518
 519                 global $wgContLang;
 520                 foreach ( MWNamespace::getCanonicalNamespaces() as $ns => $name ) {
 521                         if ( $ns == 0 ) {
 522                                 continue;
 523                         }
 524
 525                         $this->output( "Cleaning up broken links for namespace $ns... " );
 526
 527                         $pagelinks = $this->db->tableName( 'pagelinks' );
 528                         $name = $wgContLang->getNsText( $ns );
 529                         $prefix = $this->db->strencode( $name );
 530                         $likeprefix = str_replace( '_', '\\_', $prefix );
 531
 532                         $sql = "UPDATE $pagelinks
 533                                            SET pl_namespace=$ns,
 534                                                    pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 535                                          WHERE pl_namespace=0
 536                                            AND pl_title LIKE '$likeprefix:%'";
 537
 538                         $this->db->query( $sql, __METHOD__ );
 539                         $this->output( "done.\n" );
 540                 }
 541         }
 542
 543         protected function doUserUniqueUpdate() {
 544                 $duper = new UserDupes( $this->db, array( $this, 'output' ) );
 545                 if ( $duper->hasUniqueIndex() ) {
 546                         $this->output( "...already have unique user_name index.\n" );
 547                         return;
 548                 }
 549
 550                 if ( !$duper->clearDupes() ) {
 551                         $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 552                 }
 553                 $this->output( "Adding unique index on user_name... " );
 554                 $this->applyPatch( 'patch-user_nameindex.sql' );
 555                 $this->output( "done.\n" );
 556         }
 557
 558         protected function doUserGroupsUpdate() {
 559                 if ( $this->db->tableExists( 'user_groups', __METHOD__ ) ) {
 560                         $info = $this->db->fieldInfo( 'user_groups', 'ug_group' );
 561                         if ( $info->type() == 'int' ) {
 562                                 $oldug = $this->db->tableName( 'user_groups' );
 563                                 $newug = $this->db->tableName( 'user_groups_bogus' );
 564                                 $this->output( "user_groups table exists but is in bogus intermediate format. Renaming to $newug... " );
 565                                 $this->db->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__ );
 566                                 $this->output( "ok\n" );
 567
 568                                 $this->output( "Re-adding fresh user_groups table... " );
 569                                 $this->applyPatch( 'patch-user_groups.sql' );
 570                                 $this->output( "ok\n" );
 571
 572                                 $this->output( "***\n" );
 573                                 $this->output( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 574                                 $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 575                                 $this->output( "***\n" );
 576                         } else {
 577                                 $this->output( "...user_groups table exists and is in current format.\n" );
 578                         }
 579                         return;
 580                 }
 581
 582                 $this->output( "Adding user_groups table... " );
 583                 $this->applyPatch( 'patch-user_groups.sql' );
 584                 $this->output( "done.\n" );
 585
 586                 if ( !$this->db->tableExists( 'user_rights', __METHOD__ ) ) {
 587                         if ( $this->db->fieldExists( 'user', 'user_rights', __METHOD__ ) ) {
 588                                 $this->output( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 589                                 $this->db->applyPatch( 'patch-user_rights.sql' );
 590                                 $this->output( done.\n" );
 591                         } else {
 592                                 $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 593                                 $this->output( "*** You may need to manually configure some sysops by manipulating\n" );
 594                                 $this->output( "*** the user_groups table.\n" );
 595                                 return;
 596                         }
 597                 }
 598
 599                 $this->output( "Converting user_rights table to user_groups... " );
 600                 $result = $this->db->select( 'user_rights',
 601                         array( 'ur_user', 'ur_rights' ),
 602                         array( "ur_rights != ''" ),
 603                         __METHOD__ );
 604
 605                 foreach ( $result as $row ) {
 606                         $groups = array_unique(
 607                                 array_map( 'trim',
 608                                         explode( ',', $row->ur_rights ) ) );
 609
 610                         foreach ( $groups as $group ) {
 611                                 $this->db->insert( 'user_groups',
 612                                         array(
 613                                                 'ug_user'  => $row->ur_user,
 614                                                 'ug_group' => $group ),
 615                                         __METHOD__ );
 616                         }
 617                 }
 618                 $this->output( "done.\n" );
 619         }
 620
 621         /**
 622          * Make sure wl_notificationtimestamp can be NULL,
 623          * and update old broken items.
 624          */
 625         protected function doWatchlistNull() {
 626                 $info = $this->db->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 627                 if ( $info->isNullable() ) {
 628                         $this->output( "...wl_notificationtimestamp is already nullable.\n" );
 629                         return;
 630                 }
 631
 632                 $this->output( "Making wl_notificationtimestamp nullable... " );
 633                 $this->applyPatch( 'patch-watchlist-null.sql' );
 634                 $this->output( "done.\n" );
 635         }
 636
 637         /**
 638          * Set page_random field to a random value where it is equals to 0.
 639          *
 640          * @see bug 3946
 641          */
 642         protected function doPageRandomUpdate() {
 643                 $page = $this->db->tableName( 'page' );
 644                 $this->db->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__ );
 645                 $rows = $this->db->affectedRows();
 646
 647                 if( $rows ) {
 648                         $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" );
 649                 } else {
 650                         $this->output( "...no page_random rows needed to be set\n" );
 651                 }
 652         }
 653
 654         protected function doTemplatelinksUpdate() {
 655                 if ( $this->db->tableExists( 'templatelinks', __METHOD__ ) ) {
 656                         $this->output( "...templatelinks table already exists\n" );
 657                         return;
 658                 }
 659
 660                 $this->output( "Creating templatelinks table...\n" );
 661                 $this->applyPatch( 'patch-templatelinks.sql' );
 662                 $this->output( "Populating...\n" );
 663                 if ( wfGetLB()->getServerCount() > 1 ) {
 664                         // Slow, replication-friendly update
 665                         $res = $this->db->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 666                                 array( 'pl_namespace' => NS_TEMPLATE ), __METHOD__ );
 667                         $count = 0;
 668                         foreach ( $res as $row ) {
 669                                 $count = ( $count + 1 ) % 100;
 670                                 if ( $count == 0 ) {
 671                                         wfWaitForSlaves();
 672                                 }
 673                                 $this->db->insert( 'templatelinks',
 674                                         array(
 675                                                 'tl_from' => $row->pl_from,
 676                                                 'tl_namespace' => $row->pl_namespace,
 677                                                 'tl_title' => $row->pl_title,
 678                                         ), __METHOD__
 679                                 );
 680
 681                         }
 682                 } else {
 683                         // Fast update
 684                         $this->db->insertSelect( 'templatelinks', 'pagelinks',
 685                                 array(
 686                                         'tl_from' => 'pl_from',
 687                                         'tl_namespace' => 'pl_namespace',
 688                                         'tl_title' => 'pl_title'
 689                                 ), array(
 690                                         'pl_namespace' => 10
 691                                 ), __METHOD__
 692                         );
 693                 }
 694                 $this->output( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 695         }
 696
 697         protected function doBacklinkingIndicesUpdate() {
 698                 if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
 699                         !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
 700                         !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' ) )
 701                 {
 702                         $this->applyPatch( 'patch-backlinkindexes.sql' );
 703                         $this->output( "...backlinking indices updated\n" );
 704                 }
 705         }
 706
 707         /**
 708          * Adding page_restrictions table, obsoleting page.page_restrictions.
 709          * Migrating old restrictions to new table
 710          * -- Andrew Garrett, January 2007.
 711          */
 712         protected function doRestrictionsUpdate() {
 713                 if ( $this->db->tableExists( 'page_restrictions', __METHOD__ ) ) {
 714                         $this->output( "...page_restrictions table already exists.\n" );
 715                         return;
 716                 }
 717
 718                 $this->output( "Creating page_restrictions table..." );
 719                 $this->applyPatch( 'patch-page_restrictions.sql' );
 720                 $this->applyPatch( 'patch-page_restrictions_sortkey.sql' );
 721                 $this->output( "done.\n" );
 722
 723                 $this->output( "Migrating old restrictions to new table...\n" );
 724                 $task = $this->maintenance->runChild( 'UpdateRestrictions' );
 725                 $task->execute();
 726         }
 727
 728         protected function doCategorylinksIndicesUpdate() {
 729                 if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) {
 730                         $this->applyPatch( 'patch-categorylinksindex.sql' );
 731                         $this->output( "...categorylinks indices updated\n" );
 732                 }
 733         }
 734
 735         protected function doCategoryPopulation() {
 736                 if ( $this->updateRowExists( 'populate category' ) ) {
 737                         $this->output( "...category table already populated.\n" );
 738                         return;
 739                 }
 740
 741                 $this->output(
 742                         "Populating category table, printing progress markers. " .
 743                         "For large databases, you\n" .
 744                         "may want to hit Ctrl-C and do this manually with maintenance/\n" .
 745                         "populateCategory.php.\n"
 746                 );
 747                 $task = $this->maintenance->runChild( 'PopulateCategory' );
 748                 $task->execute();
 749                 $this->output( "Done populating category table.\n" );
 750         }
 751
 752         protected function doPopulateParentId() {
 753                 if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) {
 754                         $this->output(
 755                                 "Populating rev_parent_id fields, printing progress markers. For large\n" .
 756                                 "databases, you may want to hit Ctrl-C and do this manually with\n" .
 757                                 "maintenance/populateParentId.php.\n" );
 758
 759                         $task = $this->maintenance->runChild( 'PopulateParentId' );
 760                         $task->execute();
 761                 }
 762         }
 763
 764         protected function doMaybeProfilingMemoryUpdate() {
 765                 if ( !$this->db->tableExists( 'profiling', __METHOD__ ) ) {
 766                         // Simply ignore
 767                 } elseif ( $this->db->fieldExists( 'profiling', 'pf_memory', __METHOD__ ) ) {
 768                         $this->output( "...profiling table has pf_memory field.\n" );
 769                 } else {
 770                         $this->output( "Adding pf_memory field to table profiling..." );
 771                         $this->applyPatch( 'patch-profiling-memory.sql' );
 772                         $this->output( "done.\n" );
 773                 }
 774         }
 775
 776         protected function doFilearchiveIndicesUpdate() {
 777                 $info = $this->db->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 778                 if ( !$info ) {
 779                         $this->output( "Updating filearchive indices..." );
 780                         $this->applyPatch( 'patch-filearchive-user-index.sql' );
 781                         $this->output( "done.\n" );
 782                 }
 783         }
 784
 785         protected function doUniquePlTlIl() {
 786                 $info = $this->db->indexInfo( 'pagelinks', 'pl_namespace' );
 787                 if ( is_array( $info ) && !$info[0]->Non_unique ) {
 788                         $this->output( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
 789                         return;
 790                 }
 791
 792                 $this->output( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
 793                 $this->applyPatch( 'patch-pl-tl-il-unique.sql' );
 794                 $this->output( "done.\n" );
 795         }
 796
 797         protected function renameEuWikiId() {
 798                 if ( $this->db->fieldExists( 'external_user', 'eu_local_id', __METHOD__ ) ) {
 799                         $this->output( "...eu_wiki_id already renamed to eu_local_id.\n" );
 800                         return;
 801                 }
 802
 803                 $this->output( "Renaming eu_wiki_id -> eu_local_id... " );
 804                 $this->applyPatch( 'patch-eu_local_id.sql' );
 805                 $this->output( "done.\n" );
 806         }
 807
 808         protected function doUpdateMimeMinorField() {
 809                 if ( $this->updateRowExists( 'mime_minor_length' ) ) {
 810                         $this->output( "...*_mime_minor fields are already long enough.\n" );
 811                         return;
 812                 }
 813
 814                 $this->output( "Altering all *_mime_minor fields to 100 bytes in size ... " );
 815                 $this->applyPatch( 'patch-mime_minor_length.sql' );
 816                 $this->output( "done.\n" );
 817         }
 818
 819         protected function doClFieldsUpdate() {
 820                 if ( $this->updateRowExists( 'cl_fields_update' ) ) {
 821                         $this->output( "...categorylinks up-to-date.\n" );
 822                         return;
 823                 }
 824
 825                 $this->output( 'Updating categorylinks (again)...' );
 826                 $this->applyPatch( 'patch-categorylinks-better-collation2.sql' );
 827                 $this->output( "done.\n" );
 828         }
 829
 830         protected function doLangLinksLengthUpdate() {
 831                 $langlinks = $this->db->tableName( 'langlinks' );
 832                 $res = $this->db->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" );
 833                 $row = $this->db->fetchObject( $res );
 834
 835                 if ( $row && $row->Type == "varbinary(10)" ) {
 836                         $this->output( 'Updating length of ll_lang in langlinks...' );
 837                         $this->applyPatch( 'patch-langlinks-ll_lang-20.sql' );
 838                         $this->output( "done.\n" );
 839                 } else {
 840                         $this->output( "...ll_lang is up-to-date.\n" );
 841                 }
 842         }
 843
 844         protected function doUserNewTalkTimestampNotNull() {
 845                 $info = $this->db->fieldInfo( 'user_newtalk', 'user_last_timestamp' );
 846                 if ( $info->isNullable() ) {
 847                         $this->output( "...user_last_timestamp is already nullable.\n" );
 848                         return;
 849                 }
 850
 851                 $this->output( "Making user_last_timestamp nullable... " );
 852                 $this->applyPatch( 'patch-user-newtalk-timestamp-null.sql' );
 853                 $this->output( "done.\n" );
 854         }
 855 }