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