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