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