maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'userDupes.inc';
  13 # Extension updates
  14 require_once( "$IP/includes/Hooks.php" );
  15
  16 /**
  17  * @deprecated. Do not use, ever.
  18  */
  19 $wgUpdates = array();
  20
  21
  22 # For extensions only, should be populated via hooks
  23 # $wgDBtype should be checked to specifiy the proper file
  24 $wgExtNewTables = array(); // table, dir
  25 $wgExtNewFields = array(); // table, column, dir
  26 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
  27 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
  28 $wgExtNewIndexes = array(); // table, index, dir
  29 $wgExtModifiedFields = array(); // table, index, dir
  30
  31 # Helper function: check if the given key is present in the updatelog table.
  32 # Obviously, only use this for updates that occur after the updatelog table was
  33 # created!
  34 function update_row_exists( $key ) {
  35         global $wgDatabase;
  36         $row = $wgDatabase->selectRow(
  37                 'updatelog',
  38                 '1',
  39                 array( 'ul_key' => $key ),
  40                 __FUNCTION__
  41         );
  42         return (bool)$row;
  43 }
  44
  45 function modify_field( $table, $field, $patch, $fullpath = false ) {
  46         global $wgDatabase;
  47         if ( !$wgDatabase->tableExists( $table ) ) {
  48                 wfOut( "...$table table does not exist, skipping modify field patch\n" );
  49         } elseif ( ! $wgDatabase->fieldExists( $table, $field ) ) {
  50                 wfOut( "...$field field does not exist in $table table, skipping modify field patch\n" );
  51         } else {
  52                 wfOut( "Modifying $field field of table $table..." );
  53                 if ( $fullpath ) {
  54                         $wgDatabase->sourceFile( $patch );
  55                 } else {
  56                         $wgDatabase->sourceFile( archive( $patch ) );
  57                 }
  58                 wfOut( "ok\n" );
  59         }
  60 }
  61
  62 function drop_index_if_exists( $table, $index, $patch, $fullpath = false ) {
  63         global $wgDatabase;
  64         if ( $wgDatabase->indexExists( $table, $index ) ) {
  65                 wfOut( "Dropping $index from table $table... " );
  66                 if ( $fullpath ) {
  67                         $wgDatabase->sourceFile( $patch );
  68                 } else {
  69                         $wgDatabase->sourceFile( archive( $patch ) );
  70                 }
  71                 wfOut( "ok\n" );
  72         } else {
  73                 wfOut( "...$index doesn't exist.\n" );
  74         }
  75 }
  76
  77 function do_all_updates( $shared = false, $purge = true ) {
  78         global $wgDatabase, $wgDBtype;
  79
  80         $updater = DatabaseUpdater::newForDb( $wgDatabase, $shared );
  81
  82         wfRunHooks( 'LoadExtensionSchemaUpdates', array( &$updater ) );
  83
  84         $updater->doUpdates();
  85
  86         if ( !defined( 'MW_NO_SETUP' ) ) {
  87                 define( 'MW_NO_SETUP', true );
  88         }
  89
  90         foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
  91                 call_user_func_array( array( new $maint, 'execute' ), array() );
  92         }
  93
  94         if ( $wgDBtype === 'postgres' ) {
  95                 return;
  96         }
  97
  98         do_stats_init();
  99
 100         if ( $purge ) {
 101                 purge_cache();
 102         }
 103 }
 104
 105 function archive( $name ) {
 106         return DatabaseBase::patchPath( $name );
 107 }
 108
 109 function do_interwiki_update() {
 110         # Check that interwiki table exists; if it doesn't source it
 111         global $wgDatabase, $IP;
 112         if ( $wgDatabase->tableExists( "interwiki" ) ) {
 113                 wfOut( "...already have interwiki table\n" );
 114                 return true;
 115         }
 116         wfOut( "Creating interwiki table: " );
 117         $wgDatabase->sourceFile( archive( "patch-interwiki.sql" ) );
 118         wfOut( "ok\n" );
 119         wfOut( "Adding default interwiki definitions: " );
 120         $wgDatabase->sourceFile( "$IP/maintenance/interwiki.sql" );
 121         wfOut( "ok\n" );
 122 }
 123
 124 function do_index_update() {
 125         # Check that proper indexes are in place
 126         global $wgDatabase;
 127         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 128         if ( !$meta->isMultipleKey() ) {
 129                 wfOut( "Updating indexes to 20031107: " );
 130                 $wgDatabase->sourceFile( archive( "patch-indexes.sql" ) );
 131                 wfOut( "ok\n" );
 132                 return true;
 133         }
 134         wfOut( "...indexes seem up to 20031107 standards\n" );
 135         return false;
 136 }
 137
 138 function do_image_index_update() {
 139         global $wgDatabase;
 140
 141         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 142         if ( !$meta->isMultipleKey() ) {
 143                 wfOut( "Updating indexes to 20050912: " );
 144                 $wgDatabase->sourceFile( archive( "patch-mimesearch-indexes.sql" ) );
 145                 wfOut( "ok\n" );
 146                 return true;
 147         }
 148         wfOut( "...indexes seem up to 20050912 standards\n" );
 149         return false;
 150 }
 151
 152 function do_image_name_unique_update() {
 153         global $wgDatabase;
 154         if ( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 155                 wfOut( "...image primary key already set.\n" );
 156         } else {
 157                 wfOut( "Making img_name the primary key... " );
 158                 $wgDatabase->sourceFile( archive( "patch-image_name_primary.sql" ) );
 159                 wfOut( "ok\n" );
 160         }
 161 }
 162
 163 function do_watchlist_update() {
 164         global $wgDatabase;
 165         $fname = 'do_watchlist_update';
 166         if ( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 167                 wfOut( "...the watchlist table is already set up for email notification.\n" );
 168         } else {
 169                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 170                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 171                 $wgDatabase->sourceFile( archive( 'patch-email-notification.sql' ) );
 172                 wfOut( "ok\n" );
 173         }
 174         # Check if we need to add talk page rows to the watchlist
 175         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 176         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 177         if ( $talk != $nontalk ) {
 178                 wfOut( "Adding missing watchlist talk page rows... " );
 179                 flush();
 180
 181                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 182                         array(
 183                                 'wl_user' => 'wl_user',
 184                                 'wl_namespace' => 'wl_namespace | 1',
 185                                 'wl_title' => 'wl_title',
 186                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 187                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 188                 wfOut( "ok\n" );
 189         } else {
 190                 wfOut( "...watchlist talk page rows already present\n" );
 191         }
 192 }
 193
 194 function do_copy_newtalk_to_watchlist() {
 195         global $wgDatabase;
 196
 197         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 198                 $wgDatabase->tableName( 'user_newtalk' ) );
 199         $num_newtalks = $wgDatabase->numRows( $res );
 200         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 201
 202         $user = new User();
 203         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 204                 $wluser = $wgDatabase->fetchObject( $res );
 205                 if ( $wluser->user_id == 0 ) { # anonymous users ... have IP numbers as "names"
 206                         if ( $user->isIP( $wluser->user_ip ) ) { # do only if it really looks like an IP number (double checked)
 207                                 $wgDatabase->replace( 'watchlist',
 208                                         array( array( 'wl_user', 'wl_namespace', 'wl_title', 'wl_notificationtimestamp' ) ),
 209                                         array( 'wl_user' => 0,
 210                                                 'wl_namespace' => NS_USER_TALK,
 211                                                 'wl_title' => $wluser->user_ip,
 212                                                 'wl_notificationtimestamp' => '19700101000000'
 213                                                 ), 'updaters.inc::do_watchlist_update2'
 214                                         );
 215                         }
 216                 } else { # normal users ... have user_ids
 217                         $user->setID( $wluser->user_id );
 218                         $wgDatabase->replace( 'watchlist',
 219                                 array( array( 'wl_user', 'wl_namespace', 'wl_title', 'wl_notificationtimestamp' ) ),
 220                                 array( 'wl_user' => $user->getID(),
 221                                         'wl_namespace' => NS_USER_TALK,
 222                                         'wl_title' => $user->getName(),
 223                                         'wl_notificationtimestamp' => '19700101000000'
 224                                         ), 'updaters.inc::do_watchlist_update3'
 225                                 );
 226                 }
 227         }
 228         wfOut( "Done.\n" );
 229 }
 230
 231 /**
 232  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 233  * which causes a collation mismatch error on joins in MySQL 4.1.
 234  */
 235 function check_bin( $table, $field, $patchFile ) {
 236         global $wgDatabase, $wgDBtype;
 237         if ( $wgDBtype != 'mysql' )
 238                 return;
 239         $tableName = $wgDatabase->tableName( $table );
 240         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 241         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 242
 243         if ( in_array( 'binary', $flags ) ) {
 244                 wfOut( "...$table table has correct $field encoding.\n" );
 245         } else {
 246                 wfOut( "Fixing $field encoding on $table table... " );
 247                 $wgDatabase->sourceFile( archive( $patchFile ) );
 248                 wfOut( "ok\n" );
 249         }
 250 }
 251
 252 function do_schema_restructuring() {
 253         global $wgDatabase;
 254         $fname = "do_schema_restructuring";
 255         if ( $wgDatabase->tableExists( 'page' ) ) {
 256                 wfOut( "...page table already exists.\n" );
 257         } else {
 258                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 259                 wfOut( wfTimestamp( TS_DB ) );
 260                 wfOut( "......checking for duplicate entries.\n" );
 261
 262                 list ( $cur, $old, $page, $revision, $text ) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 263
 264                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 265                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 266
 267                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 268                         wfOut( wfTimestamp( TS_DB ) );
 269                         wfOut( "......<b>Found duplicate entries</b>\n" );
 270                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 271                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 272                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 273                                         $duplicate[$row->cur_namespace] = array();
 274                                 }
 275                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 276                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 277                         }
 278                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 279                         $firstCond = true;
 280                         foreach ( $duplicate as $ns => $titles ) {
 281                                 if ( $firstCond ) {
 282                                         $firstCond = false;
 283                                 } else {
 284                                         $sql .= ' OR ';
 285                                 }
 286                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 287                                 $first = true;
 288                                 foreach ( $titles as $t ) {
 289                                         if ( $first ) {
 290                                                 $sql .= $wgDatabase->addQuotes( $t );
 291                                                 $first = false;
 292                                         } else {
 293                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 294                                         }
 295                                 }
 296                                 $sql .= ") ) \n";
 297                         }
 298                         # By sorting descending, the most recent entry will be the first in the list.
 299                         # All following entries will be deleted by the next while-loop.
 300                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 301
 302                         $rows = $wgDatabase->query( $sql, $fname );
 303
 304                         $prev_title = $prev_namespace = false;
 305                         $deleteId = array();
 306
 307                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 308                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 309                                         $deleteId[] = $row->cur_id;
 310                                 }
 311                                 $prev_title     = $row->cur_title;
 312                                 $prev_namespace = $row->cur_namespace;
 313                         }
 314                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 315                         $rows = $wgDatabase->query( $sql, $fname );
 316                         wfOut( wfTimestamp( TS_DB ) );
 317                         wfOut( "......<b>Deleted</b> " . $wgDatabase->affectedRows() . " records.\n" );
 318                 }
 319
 320
 321                 wfOut( wfTimestamp( TS_DB ) );
 322                 wfOut( "......Creating tables.\n" );
 323                 $wgDatabase->query( "CREATE TABLE $page (
 324                         page_id int(8) unsigned NOT NULL auto_increment,
 325                         page_namespace int NOT NULL,
 326                         page_title varchar(255) binary NOT NULL,
 327                         page_restrictions tinyblob NOT NULL,
 328                         page_counter bigint(20) unsigned NOT NULL default '0',
 329                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 330                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 331                         page_random real unsigned NOT NULL,
 332                         page_touched char(14) binary NOT NULL default '',
 333                         page_latest int(8) unsigned NOT NULL,
 334                         page_len int(8) unsigned NOT NULL,
 335
 336                         PRIMARY KEY page_id (page_id),
 337                         UNIQUE INDEX name_title (page_namespace,page_title),
 338                         INDEX (page_random),
 339                         INDEX (page_len)
 340                         ) ENGINE=InnoDB", $fname );
 341                 $wgDatabase->query( "CREATE TABLE $revision (
 342                         rev_id int(8) unsigned NOT NULL auto_increment,
 343                         rev_page int(8) unsigned NOT NULL,
 344                         rev_comment tinyblob NOT NULL,
 345                         rev_user int(5) unsigned NOT NULL default '0',
 346                         rev_user_text varchar(255) binary NOT NULL default '',
 347                         rev_timestamp char(14) binary NOT NULL default '',
 348                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 349                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 350                         rev_len int(8) unsigned,
 351                         rev_parent_id int(8) unsigned default NULL,
 352                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 353                         UNIQUE INDEX rev_id (rev_id),
 354                         INDEX rev_timestamp (rev_timestamp),
 355                         INDEX page_timestamp (rev_page,rev_timestamp),
 356                         INDEX user_timestamp (rev_user,rev_timestamp),
 357                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 358                         ) ENGINE=InnoDB", $fname );
 359
 360                 wfOut( wfTimestamp( TS_DB ) );
 361                 wfOut( "......Locking tables.\n" );
 362                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 363
 364                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 365                 wfOut( wfTimestamp( TS_DB ) );
 366                 wfOut( "......maxold is {$maxold}\n" );
 367
 368                 wfOut( wfTimestamp( TS_DB ) );
 369                 global $wgLegacySchemaConversion;
 370                 if ( $wgLegacySchemaConversion ) {
 371                         // Create HistoryBlobCurStub entries.
 372                         // Text will be pulled from the leftover 'cur' table at runtime.
 373                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 374                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 375                         $cur_flags = "'object'";
 376                 } else {
 377                         // Copy all cur text in immediately: this may take longer but avoids
 378                         // having to keep an extra table around.
 379                         wfOut( "......Moving text from cur.\n" );
 380                         $cur_text = 'cur_text';
 381                         $cur_flags = "''";
 382                 }
 383                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 384                                         old_timestamp, old_minor_edit, old_flags)
 385                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 386                         FROM $cur", $fname );
 387
 388                 wfOut( wfTimestamp( TS_DB ) );
 389                 wfOut( "......Setting up revision table.\n" );
 390                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 391                                 rev_minor_edit)
 392                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 393                                 old_timestamp, old_minor_edit
 394                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 395
 396                 wfOut( wfTimestamp( TS_DB ) );
 397                 wfOut( "......Setting up page table.\n" );
 398                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 399                         page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 400                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 401                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 402                         FROM $cur,$revision
 403                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 404
 405                 wfOut( wfTimestamp( TS_DB ) );
 406                 wfOut( "......Unlocking tables.\n" );
 407                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 408
 409                 wfOut( wfTimestamp( TS_DB ) );
 410                 wfOut( "......Renaming old.\n" );
 411                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 412
 413                 wfOut( wfTimestamp( TS_DB ) );
 414                 wfOut( "...done.\n" );
 415         }
 416 }
 417
 418 function do_pagelinks_update() {
 419         global $wgDatabase;
 420         if ( $wgDatabase->tableExists( 'pagelinks' ) ) {
 421                 wfOut( "...already have pagelinks table.\n" );
 422         } else {
 423                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 424                 $wgDatabase->sourceFile( archive( 'patch-pagelinks.sql' ) );
 425                 wfOut( "ok\n" );
 426                 flush();
 427
 428                 global $wgCanonicalNamespaceNames;
 429                 foreach ( $wgCanonicalNamespaceNames as $ns => $name ) {
 430                         if ( $ns != 0 ) {
 431                                 do_pagelinks_namespace( $ns );
 432                         }
 433                 }
 434         }
 435 }
 436
 437 function do_pagelinks_namespace( $namespace ) {
 438         global $wgDatabase, $wgContLang;
 439
 440         $ns = intval( $namespace );
 441         wfOut( "Cleaning up broken links for namespace $ns... " );
 442
 443         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 444         $name = $wgContLang->getNsText( $ns );
 445         $prefix = $wgDatabase->strencode( $name );
 446         $likeprefix = str_replace( '_', '\\_', $prefix );
 447
 448         $sql = "UPDATE $pagelinks
 449                    SET pl_namespace=$ns,
 450                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 451                  WHERE pl_namespace=0
 452                    AND pl_title LIKE '$likeprefix:%'";
 453
 454         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 455         wfOut( "ok\n" );
 456 }
 457
 458 function do_old_links_update() {
 459         if( !defined( 'MW_NO_SETUP' ) ) {
 460                 define( 'MW_NO_SETUP', true );
 461         }
 462         require( "convertLinks.php" );
 463         $cl = new ConvertLinks();
 464         $cl->execute();
 465 }
 466
 467 function fix_ancient_imagelinks() {
 468         global $wgDatabase;
 469         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 470         if ( $info && $info->type() === 'string' ) {
 471                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 472                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 473                 $wgDatabase->sourceFile( archive( 'patch-fix-il_from.sql' ) );
 474                 wfOut( "ok\n" );
 475         } else {
 476                 wfOut( "...il_from OK\n" );
 477         }
 478 }
 479
 480 function do_user_unique_update() {
 481         global $wgDatabase;
 482         $duper = new UserDupes( $wgDatabase );
 483         if ( $duper->hasUniqueIndex() ) {
 484                 wfOut( "...already have unique user_name index.\n" );
 485         } else {
 486                 if ( !$duper->clearDupes() ) {
 487                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 488                 }
 489                 wfOut( "Adding unique index on user_name... " );
 490                 $wgDatabase->sourceFile( archive( 'patch-user_nameindex.sql' ) );
 491                 wfOut( "ok\n" );
 492         }
 493 }
 494
 495 function do_user_groups_update() {
 496         $fname = 'do_user_groups_update';
 497         global $wgDatabase;
 498
 499         if ( $wgDatabase->tableExists( 'user_groups' ) ) {
 500                 wfOut( "...user_groups table already exists.\n" );
 501                 return do_user_groups_reformat();
 502         }
 503
 504         wfOut( "Adding user_groups table... " );
 505         $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 506         wfOut( "ok\n" );
 507
 508         if ( !$wgDatabase->tableExists( 'user_rights' ) ) {
 509                 if ( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 510                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 511                         $wgDatabase->sourceFile( archive( 'patch-user_rights.sql' ) );
 512                         wfOut( "ok\n" );
 513                 } else {
 514                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 515                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 516                         wfOut( "*** the user_groups table.\n" );
 517                         return;
 518                 }
 519         }
 520
 521         wfOut( "Converting user_rights table to user_groups... " );
 522         $result = $wgDatabase->select( 'user_rights',
 523                 array( 'ur_user', 'ur_rights' ),
 524                 array( "ur_rights != ''" ),
 525                 $fname );
 526
 527         while ( $row = $wgDatabase->fetchObject( $result ) ) {
 528                 $groups = array_unique(
 529                         array_map( 'trim',
 530                                 explode( ',', $row->ur_rights ) ) );
 531
 532                 foreach ( $groups as $group ) {
 533                         $wgDatabase->insert( 'user_groups',
 534                                 array(
 535                                         'ug_user'  => $row->ur_user,
 536                                         'ug_group' => $group ),
 537                                 $fname );
 538                 }
 539         }
 540         wfOut( "ok\n" );
 541 }
 542
 543 function do_user_groups_reformat() {
 544         # Check for bogus formats from previous 1.5 alpha code.
 545         global $wgDatabase;
 546         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 547
 548         if ( $info->type() == 'int' ) {
 549                 $oldug = $wgDatabase->tableName( 'user_groups' );
 550                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 551                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 552                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 553                 wfOut( "ok\n" );
 554
 555                 wfOut( "Re-adding fresh user_groups table... " );
 556                 $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 557                 wfOut( "ok\n" );
 558
 559                 wfOut( "***\n" );
 560                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 561                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 562                 wfOut( "***\n" );
 563         } else {
 564                 wfOut( "...user_groups is in current format.\n" );
 565         }
 566
 567 }
 568
 569 function do_watchlist_null() {
 570         # Make sure wl_notificationtimestamp can be NULL,
 571         # and update old broken items.
 572         global $wgDatabase;
 573         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 574
 575         if ( !$info->nullable() ) {
 576                 wfOut( "Making wl_notificationtimestamp nullable... " );
 577                 $wgDatabase->sourceFile( archive( 'patch-watchlist-null.sql' ) );
 578                 wfOut( "ok\n" );
 579         } else {
 580                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 581         }
 582
 583 }
 584
 585 /**
 586  * @bug 3946
 587  */
 588 function do_page_random_update() {
 589         global $wgDatabase;
 590
 591         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 592
 593         $page = $wgDatabase->tableName( 'page' );
 594         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 595         $rows = $wgDatabase->affectedRows();
 596
 597         wfOut( "changed $rows rows\n" );
 598 }
 599
 600 function do_templatelinks_update() {
 601         global $wgDatabase;
 602         $fname = 'do_templatelinks_update';
 603
 604         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 605                 wfOut( "...templatelinks table already exists\n" );
 606                 return;
 607         }
 608         wfOut( "Creating templatelinks table...\n" );
 609         $wgDatabase->sourceFile( archive( 'patch-templatelinks.sql' ) );
 610         wfOut( "Populating...\n" );
 611         if ( wfGetLB()->getServerCount() > 1 ) {
 612                 // Slow, replication-friendly update
 613                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 614                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 615                 $count = 0;
 616                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 617                         $count = ( $count + 1 ) % 100;
 618                         if ( $count == 0 ) {
 619                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 620                                         wfWaitForSlaves( 10 );
 621                                 } else {
 622                                         sleep( 1 );
 623                                 }
 624                         }
 625                         $wgDatabase->insert( 'templatelinks',
 626                                 array(
 627                                         'tl_from' => $row->pl_from,
 628                                         'tl_namespace' => $row->pl_namespace,
 629                                         'tl_title' => $row->pl_title,
 630                                 ), $fname
 631                         );
 632
 633                 }
 634         } else {
 635                 // Fast update
 636                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 637                         array(
 638                                 'tl_from' => 'pl_from',
 639                                 'tl_namespace' => 'pl_namespace',
 640                                 'tl_title' => 'pl_title'
 641                         ), array(
 642                                 'pl_namespace' => 10
 643                         ), $fname
 644                 );
 645         }
 646         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 647 }
 648
 649 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 650 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 651 function do_rc_indices_update() {
 652         global $wgDatabase;
 653         wfOut( "Checking for additional recent changes indices...\n" );
 654
 655         $indexes = array(
 656                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 657                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 658         );
 659
 660         foreach ( $indexes as $index => $patch ) {
 661                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 662                 if ( !$info ) {
 663                         wfOut( "...index `{$index}` not found; adding..." );
 664                         $wgDatabase->sourceFile( archive( $patch ) );
 665                         wfOut( "done.\n" );
 666                 } else {
 667                         wfOut( "...index `{$index}` seems ok.\n" );
 668                 }
 669         }
 670 }
 671
 672 function index_has_field( $table, $index, $field ) {
 673         global $wgDatabase;
 674         wfOut( "Checking if $table index $index includes field $field...\n" );
 675         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 676         if ( $info ) {
 677                 foreach ( $info as $row ) {
 678                         if ( $row->Column_name == $field ) {
 679                                 wfOut( "...index $index on table $table seems to be ok\n" );
 680                                 return true;
 681                         }
 682                 }
 683         }
 684         wfOut( "...index $index on table $table has no field $field; adding\n" );
 685         return false;
 686 }
 687
 688 function do_backlinking_indices_update() {
 689         global $wgDatabase;
 690         wfOut( "Checking for backlinking indices...\n" );
 691         if ( !index_has_field( 'pagelinks', 'pl_namespace', 'pl_from' ) ||
 692                 !index_has_field( 'templatelinks', 'tl_namespace', 'tl_from' ) ||
 693                 !index_has_field( 'imagelinks', 'il_to', 'il_from' ) )
 694         {
 695                 $wgDatabase->sourceFile( archive( 'patch-backlinkindexes.sql' ) );
 696                 wfOut( "...backlinking indices updated\n" );
 697         }
 698 }
 699
 700 function do_categorylinks_indices_update() {
 701         global $wgDatabase;
 702         wfOut( "Checking for categorylinks indices...\n" );
 703         if ( !index_has_field( 'categorylinks', 'cl_sortkey', 'cl_from' ) )
 704         {
 705                 $wgDatabase->sourceFile( archive( 'patch-categorylinksindex.sql' ) );
 706                 wfOut( "...categorylinks indices updated\n" );
 707         }
 708 }
 709
 710 function do_filearchive_indices_update() {
 711         global $wgDatabase;
 712         wfOut( "Checking filearchive indices...\n" );
 713         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 714         if ( !$info )
 715         {
 716                 $wgDatabase->sourceFile( archive( 'patch-filearchive-user-index.sql' ) );
 717                 wfOut( "...filearchive indices updated\n" );
 718         }
 719 }
 720
 721 function maybe_do_profiling_memory_update() {
 722         global $wgDatabase;
 723         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
 724                 // Simply ignore
 725         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
 726                 wfOut( "...profiling table has pf_memory field.\n" );
 727         } else {
 728                 wfOut( "Adding pf_memory field to table profiling..." );
 729                 $wgDatabase->sourceFile( archive( 'patch-profiling-memory.sql' ) );
 730                 wfOut( "ok\n" );
 731         }
 732 }
 733
 734 function do_stats_init() {
 735         // Sometimes site_stats table is not properly populated.
 736         global $wgDatabase;
 737         wfOut( "\nChecking site_stats row..." );
 738         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 739         if ( $row === false ) {
 740                 wfOut( "data is missing! rebuilding...\n" );
 741         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
 742                 wfOut( "missing ss_total_pages, rebuilding...\n" );
 743         } else {
 744                 wfOut( "ok.\n" );
 745                 return;
 746         }
 747         SiteStatsInit::doAllAndCommit( false );
 748 }
 749
 750 function do_active_users_init() {
 751         global $wgDatabase;
 752         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
 753         if ( $activeUsers == -1 ) {
 754                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
 755                         'COUNT( DISTINCT rc_user_text )',
 756                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
 757                 );
 758                 $wgDatabase->update( 'site_stats',
 759                         array( 'ss_active_users' => intval( $activeUsers ) ),
 760                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
 761                 );
 762         }
 763         wfOut( "...ss_active_users user count set...\n" );
 764 }
 765
 766 function purge_cache() {
 767         global $wgDatabase;
 768         # We can't guarantee that the user will be able to use TRUNCATE,
 769         # but we know that DELETE is available to us
 770         wfOut( "Purging caches..." );
 771         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 772         wfOut( "done.\n" );
 773 }
 774
 775 /**
 776  * Adding page_restrictions table, obsoleting page.page_restrictions.
 777  * Migrating old restrictions to new table
 778  * -- Andrew Garrett, January 2007.
 779  */
 780 function do_restrictions_update() {
 781         global $wgDatabase;
 782
 783         if ( $wgDatabase->tableExists( 'page_restrictions' ) ) {
 784                 wfOut( "...page_restrictions table already exists.\n" );
 785         } else {
 786                 wfOut( "Creating page_restrictions table..." );
 787                 $wgDatabase->sourceFile( archive( 'patch-page_restrictions.sql' ) );
 788                 $wgDatabase->sourceFile( archive( 'patch-page_restrictions_sortkey.sql' ) );
 789                 wfOut( "ok\n" );
 790
 791                 wfOut( "Migrating old restrictions to new table...\n" );
 792                 require_once( 'updateRestrictions.php' );
 793                 $task = new UpdateRestrictions();
 794                 $task->execute();
 795         }
 796 }
 797
 798 function do_category_population() {
 799         if ( update_row_exists( 'populate category' ) ) {
 800                 wfOut( "...category table already populated.\n" );
 801                 return;
 802         }
 803         require_once( 'populateCategory.php' );
 804         wfOut(
 805                 "Populating category table, printing progress markers. " .
 806                 "For large databases, you\n" .
 807                 "may want to hit Ctrl-C and do this manually with maintenance/\n" .
 808                 "populateCategory.php.\n"
 809         );
 810         $task = new PopulateCategory();
 811         $task->execute();
 812         wfOut( "Done populating category table.\n" );
 813 }
 814
 815 function do_populate_parent_id() {
 816         if ( update_row_exists( 'populate rev_parent_id' ) ) {
 817                 wfOut( "...rev_parent_id column already populated.\n" );
 818                 return;
 819         }
 820         require_once( 'populateParentId.php' );
 821         $task = new PopulateParentId();
 822         $task->execute();
 823 }
 824
 825 function do_populate_rev_len() {
 826         if ( update_row_exists( 'populate rev_len' ) ) {
 827                 wfOut( "...rev_len column already populated.\n" );
 828                 return;
 829         }
 830         require_once( 'populateRevisionLength.php' );
 831         $task = new PopulateRevisionLength();
 832         $task->execute();
 833 }
 834
 835 function do_cl_fields_update() {
 836         if ( update_row_exists( 'cl_fields_update' ) ) {
 837                 wfOut( "...categorylinks up-to-date.\n" );
 838                 return;
 839         }
 840         wfOut( 'Updating categorylinks (again)...' );
 841         global $wgDatabase;
 842         $wgDatabase->sourceFile( archive( 'patch-categorylinks-better-collation2.sql' ) );
 843         wfOut( "done.\n" );
 844 }
 845
 846 function do_collation_update() {
 847         global $wgDatabase, $wgCategoryCollation;
 848         if ( $wgDatabase->selectField(
 849                 'categorylinks',
 850                 'COUNT(*)',
 851                 'cl_collation != ' . $wgDatabase->addQuotes( $wgCategoryCollation ),
 852                 __FUNCTION__
 853         ) == 0 ) {
 854                 wfOut( "...collations up-to-date.\n" );
 855                 return;
 856         }
 857         require_once( 'updateCollation.php' );
 858         $task = new UpdateCollation();
 859         $task->execute();
 860 }
 861
 862 function sqlite_initial_indexes() {
 863         global $wgDatabase;
 864         // initial-indexes.sql fails if the indexes are already present, so we perform a quick check if our database is newer.
 865         if ( update_row_exists( 'initial_indexes' ) || $wgDatabase->indexExists( 'user', 'user_name' ) ) {
 866                 wfOut( "...have initial indexes\n" );
 867                 return;
 868         }
 869         wfOut( "Adding initial indexes..." );
 870         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
 871         wfOut( "done\n" );
 872 }
 873
 874 function sqlite_setup_searchindex() {
 875         global $wgDatabase;
 876         $module = $wgDatabase->getFulltextSearchModule();
 877         $fts3tTable = update_row_exists( 'fts3' );
 878         if ( $fts3tTable &&  !$module ) {
 879                 wfOut( '...PHP is missing FTS3 support, downgrading tables...' );
 880                 $wgDatabase->sourceFile( archive( 'searchindex-no-fts.sql' ) );
 881                 wfOut( "done\n" );
 882         } elseif ( !$fts3tTable && $module == 'FTS3' ) {
 883                 wfOut( '...adding FTS3 search capabilities...' );
 884                 $wgDatabase->sourceFile( archive( 'searchindex-fts3.sql' ) );
 885                 wfOut( "done\n" );
 886         } else {
 887                 wfOut( "...fulltext search table appears to be in order.\n" );
 888         }
 889 }
 890
 891 function do_unique_pl_tl_il() {
 892         global $wgDatabase;
 893         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
 894         if ( is_array( $info ) && !$info[0]->Non_unique ) {
 895                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
 896         } else {
 897                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
 898                 $wgDatabase->sourceFile( archive( 'patch-pl-tl-il-unique.sql' ) );
 899                 wfOut( "ok\n" );
 900         }
 901 }
 902
 903 function do_log_search_population() {
 904         if ( update_row_exists( 'populate log_search' ) ) {
 905                 wfOut( "...log_search table already populated.\n" );
 906                 return;
 907         }
 908         require_once( 'populateLogSearch.php' );
 909         wfOut(
 910 "Populating log_search table, printing progress markers. For large\n" .
 911 "databases, you may want to hit Ctrl-C and do this manually with\n" .
 912 "maintenance/populateLogSearch.php.\n" );
 913         $task = new PopulateLogSearch();
 914         $task->execute();
 915         wfOut( "Done populating log_search table.\n" );
 916 }
 917
 918 function rename_eu_wiki_id() {
 919         global $wgDatabase;
 920         if ( $wgDatabase->fieldExists( 'external_user', 'eu_local_id' ) ) {
 921                 wfOut( "...eu_wiki_id already renamed to eu_local_id.\n" );
 922                 return;
 923         }
 924         wfOut( "Renaming eu_wiki_id -> eu_local_id... " );
 925         $wgDatabase->sourceFile( archive( 'patch-eu_local_id.sql' ) );
 926         wfOut( "ok\n" );
 927 }
 928
 929 function do_update_transcache_field() {
 930         global $wgDatabase;
 931         if ( update_row_exists( 'convert transcache field' ) ) {
 932                 wfOut( "...transcache tc_time already converted.\n" );
 933                 return;
 934         } else {
 935                 wfOut( "Converting tc_time from UNIX epoch to MediaWiki timestamp... " );
 936                 $wgDatabase->sourceFile( archive( 'patch-tc-timestamp.sql' ) );
 937                 wfOut( "ok\n" );
 938         }
 939 }
 940
 941 function do_update_mime_minor_field() {
 942         if ( update_row_exists( 'mime_minor_length' ) ) {
 943                 wfOut( "...*_mime_minor fields are already long enough.\n" );
 944         } else {
 945                 global $wgDatabase;
 946                 wfOut( "Altering all *_mime_minor fields to 100 bytes in size ... " );
 947                 $wgDatabase->sourceFile( archive( 'patch-mime_minor_length.sql' ) );
 948                 wfOut( "ok\n" );
 949         }
 950 }