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