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