maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  * @subpackage Maintenance
   5  */
   6
   7  /** */
   8
   9 require_once 'convertLinks.inc';
  10 require_once 'InitialiseMessages.inc';
  11 require_once 'userDupes.inc';
  12
  13 $wgRenamedTables = array(
  14 #           from             to                  patch file
  15 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  16 );
  17
  18 $wgNewTables = array(
  19 #            table          patch file (in maintenance/archives)
  20         array( 'hitcounter',    'patch-hitcounter.sql' ),
  21         array( 'querycache',    'patch-querycache.sql' ),
  22         array( 'objectcache',   'patch-objectcache.sql' ),
  23         array( 'categorylinks', 'patch-categorylinks.sql' ),
  24         array( 'logging',       'patch-logging.sql' ),
  25         array( 'validate',      'patch-validate.sql' ),
  26         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  27         array( 'transcache',    'patch-transcache.sql' ),
  28         array( 'trackbacks',    'patch-trackbacks.sql' ),
  29 );
  30
  31 $wgNewFields = array(
  32 #           table            field             patch file (in maintenance/archives)
  33         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  34         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  35         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  36         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  37         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  38         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  39         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  40         array( 'user',          'user_token',       'patch-user_token.sql' ),
  41         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  42         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  43         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  44         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  45         array( 'page',          'page_len',         'patch-page_len.sql' ),
  46         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  47         array( 'image',         'img_width',        'patch-img_width.sql' ),
  48         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  49         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  50         array( 'validate',      'val_ip',           'patch-val_ip.sql' ),
  51         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  52         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  53         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  54 );
  55
  56 function rename_table( $from, $to, $patch ) {
  57         global $wgDatabase;
  58         if ( $wgDatabase->tableExists( $from ) ) {
  59                 if ( $wgDatabase->tableExists( $to ) ) {
  60                         echo "...can't move table $from to $to, $to already exists.\n";
  61                 } else {
  62                         echo "Moving table $from to $to...";
  63                         dbsource( archive($patch), $wgDatabase );
  64                         echo "ok\n";
  65                 }
  66         } else {
  67                 // Source table does not exist
  68                 // Renames are done before creations, so this is typical for a new installation
  69                 // Ignore silently
  70         }
  71 }
  72
  73 function add_table( $name, $patch ) {
  74         global $wgDatabase;
  75         if ( $wgDatabase->tableExists( $name ) ) {
  76                 echo "...$name table already exists.\n";
  77         } else {
  78                 echo "Creating $name table...";
  79                 dbsource( archive($patch), $wgDatabase );
  80                 echo "ok\n";
  81         }
  82 }
  83
  84 function add_field( $table, $field, $patch ) {
  85         global $wgDatabase;
  86         if ( !$wgDatabase->tableExists( $table ) ) {
  87                 echo "...$table table does not exist, skipping new field patch\n";
  88         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
  89                 echo "...have $field field in $table table.\n";
  90         } else {
  91                 echo "Adding $field field to table $table...";
  92                 dbsource( archive($patch) , $wgDatabase );
  93                 echo "ok\n";
  94         }
  95 }
  96
  97 function do_revision_updates() {
  98         global $wgSoftwareRevision;
  99         if ( $wgSoftwareRevision < 1001 ) {
 100                 update_passwords();
 101         }
 102 }
 103
 104 function update_passwords() {
 105         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 106
 107         global $wgDatabase;
 108         $fname = "Update script: update_passwords()";
 109         print "\nIt appears that you need to update the user passwords in your\n" .
 110           "database. If you have already done this (if you've run this update\n" .
 111           "script once before, for example), doing so again will make all your\n" .
 112           "user accounts inaccessible, so be sure you only do this once.\n" .
 113           "Update user passwords? (yes/no)";
 114
 115         $resp = readconsole();
 116     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 117
 118         $sql = "SELECT user_id,user_password FROM user";
 119         $source = $wgDatabase->query( $sql, $fname );
 120
 121         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 122                 $id = $row->user_id;
 123                 $oldpass = $row->user_password;
 124                 $newpass = md5( "{$id}-{$oldpass}" );
 125
 126                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 127                   "WHERE user_id={$id}";
 128                 $wgDatabase->query( $sql, $fname );
 129         }
 130 }
 131
 132 function do_interwiki_update() {
 133         # Check that interwiki table exists; if it doesn't source it
 134         global $wgDatabase;
 135         if( $wgDatabase->tableExists( "interwiki" ) ) {
 136                 echo "...already have interwiki table\n";
 137                 return true;
 138         }
 139         echo "Creating interwiki table: ";
 140         dbsource( archive("patch-interwiki.sql") );
 141         echo "ok\n";
 142         echo "Adding default interwiki definitions: ";
 143         dbsource( "maintenance/interwiki.sql" );
 144         echo "ok\n";
 145 }
 146
 147 function do_index_update() {
 148         # Check that proper indexes are in place
 149         global $wgDatabase;
 150         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 151         if( $meta->multiple_key == 0 ) {
 152                 echo "Updating indexes to 20031107: ";
 153                 dbsource( archive("patch-indexes.sql") );
 154                 echo "ok\n";
 155                 return true;
 156         }
 157         echo "...indexes seem up to 20031107 standards\n";
 158         return false;
 159 }
 160
 161 function do_image_index_update() {
 162         global $wgDatabase;
 163
 164         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 165         if( $meta->multiple_key == 0 ) {
 166                 echo "Updating indexes to 20050912: ";
 167                 dbsource( archive("patch-mimesearch-indexes.sql") );
 168                 echo "ok\n";
 169                 return true;
 170         }
 171         echo "...indexes seem up to 20050912 standards\n";
 172         return false;
 173 }
 174
 175 function do_image_name_unique_update() {
 176         global $wgDatabase;
 177         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 178                 echo "...image primary key already set.\n";
 179         } else {
 180                 echo "Making img_name the primary key... ";
 181                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 182                 echo "ok\n";
 183         }
 184 }
 185
 186 function do_logging_timestamp_index() {
 187         global $wgDatabase;
 188         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 189                 echo "...timestamp key on logging already exists.\n";
 190         } else {
 191                 echo "Adding timestamp key on logging table... ";
 192                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 193                 echo "ok\n";
 194         }
 195 }
 196
 197
 198 function do_watchlist_update() {
 199         global $wgDatabase;
 200         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 201                 echo "The watchlist table is already set up for email notification.\n";
 202         } else {
 203                 echo "Adding wl_notificationtimestamp field for email notification management.";
 204                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 205                 dbsource( "maintenance/archives/patch-email-notification.sql", $wgDatabase );
 206                 echo "ok\n";
 207         }
 208 }
 209
 210 function do_copy_newtalk_to_watchlist() {
 211         global $wgDatabase;
 212         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 213
 214         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 215                 $wgDatabase->tableName( 'user_newtalk' ) );
 216         $num_newtalks=$wgDatabase->numRows($res);
 217         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 218
 219         $user = new User();
 220         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 221                 $wluser = $wgDatabase->fetchObject( $res );
 222                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 223                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 224                                 $wgDatabase->replace( 'watchlist',
 225                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 226                                           array('wl_user'                       => 0,
 227                                                 'wl_namespace'                  => NS_USER_TALK,
 228                                                 'wl_title'                      => $wluser->user_ip,
 229                                                 'wl_notificationtimestamp'      => '19700101000000'
 230                                                 ), 'updaters.inc::do_watchlist_update2'
 231                                         );
 232                         }
 233                 } else { # normal users ... have user_ids
 234                         $user->setID($wluser->user_id);
 235                         $wgDatabase->replace( 'watchlist',
 236                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 237                                   array('wl_user'                       => $user->getID(),
 238                                         'wl_namespace'                  => NS_USER_TALK,
 239                                         'wl_title'                      => $user->getName(),
 240                                         'wl_notificationtimestamp'      => '19700101000000'
 241                                         ), 'updaters.inc::do_watchlist_update3'
 242                                 );
 243                 }
 244         }
 245         echo "Done.\n";
 246 }
 247
 248
 249 function do_user_update() {
 250         global $wgDatabase;
 251         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 252                 echo "User table contains old email authentication field. Dropping... ";
 253                 dbsource( "maintenance/archives/patch-email-authentication.sql", $wgDatabase );
 254                 echo "ok\n";
 255         } else {
 256                 echo "...user table does not contain old email authentication field.\n";
 257         }
 258 }
 259
 260 /**
 261  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 262  * which causes a collation mismatch error on joins in MySQL 4.1.
 263  */
 264 function do_logging_encoding() {
 265         global $wgDatabase, $wgDBtype;
 266         if ($wgDBtype != 'mysql')
 267                 return;
 268         $logging = $wgDatabase->tableName( 'logging' );
 269         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 270         $flags = explode( ' ', mysql_field_flags( $res, 0 ) );
 271         $wgDatabase->freeResult( $res );
 272
 273         if( in_array( 'binary', $flags ) ) {
 274                 echo "Logging table has correct title encoding.\n";
 275         } else {
 276                 echo "Fixing title encoding on logging table... ";
 277                 dbsource( 'maintenance/archives/patch-logging-title.sql', $wgDatabase );
 278                 echo "ok\n";
 279         }
 280 }
 281
 282 function do_schema_restructuring() {
 283         global $wgDatabase;
 284         $fname="do_schema_restructuring";
 285         if ( $wgDatabase->tableExists( 'page' ) ) {
 286                 echo "...page table already exists.\n";
 287         } else {
 288                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 289                 echo wfTimestamp();
 290                 echo "......checking for duplicate entries.\n"; flush();
 291
 292                 extract( $wgDatabase->tableNames( 'cur', 'old', 'page', 'revision', 'text' ) );
 293
 294                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 295                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 296
 297                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 298                         echo wfTimestamp();
 299                         echo "......<b>Found duplicate entries</b>\n";
 300                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 301                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 302                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 303                                         $duplicate[$row->cur_namespace] = array();
 304                                 }
 305                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 306                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 307                         }
 308                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 309                         $firstCond = true;
 310                         foreach ( $duplicate as $ns => $titles ) {
 311                                 if ( $firstCond ) {
 312                                         $firstCond = false;
 313                                 } else {
 314                                         $sql .= ' OR ';
 315                                 }
 316                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 317                                 $first = true;
 318                                 foreach ( $titles as $t ) {
 319                                         if ( $first ) {
 320                                                 $sql .= $wgDatabase->addQuotes( $t );
 321                                                 $first = false;
 322                                         } else {
 323                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 324                                         }
 325                                 }
 326                                 $sql .= ") ) \n";
 327                         }
 328                         # By sorting descending, the most recent entry will be the first in the list.
 329                         # All following entries will be deleted by the next while-loop.
 330                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 331
 332                         $rows = $wgDatabase->query( $sql, $fname );
 333
 334                         $prev_title = $prev_namespace = false;
 335                         $deleteId = array();
 336
 337                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 338                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 339                                         $deleteId[] = $row->cur_id;
 340                                 }
 341                                 $prev_title     = $row->cur_title;
 342                                 $prev_namespace = $row->cur_namespace;
 343                         }
 344                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 345                         $rows = $wgDatabase->query( $sql, $fname );
 346                         echo wfTimestamp();
 347                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 348                 }
 349
 350
 351                 echo wfTimestamp();
 352                 echo "......Creating tables.\n";
 353                 $wgDatabase->query("CREATE TABLE $page (
 354                         page_id int(8) unsigned NOT NULL auto_increment,
 355                         page_namespace int NOT NULL,
 356                         page_title varchar(255) binary NOT NULL,
 357                         page_restrictions tinyblob NOT NULL default '',
 358                         page_counter bigint(20) unsigned NOT NULL default '0',
 359                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 360                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 361                         page_random real unsigned NOT NULL,
 362                         page_touched char(14) binary NOT NULL default '',
 363                         page_latest int(8) unsigned NOT NULL,
 364                         page_len int(8) unsigned NOT NULL,
 365
 366                         PRIMARY KEY page_id (page_id),
 367                         UNIQUE INDEX name_title (page_namespace,page_title),
 368                         INDEX (page_random),
 369                         INDEX (page_len)
 370                         ) TYPE=InnoDB", $fname );
 371                 $wgDatabase->query("CREATE TABLE $revision (
 372                         rev_id int(8) unsigned NOT NULL auto_increment,
 373                         rev_page int(8) unsigned NOT NULL,
 374                         rev_comment tinyblob NOT NULL default '',
 375                         rev_user int(5) unsigned NOT NULL default '0',
 376                         rev_user_text varchar(255) binary NOT NULL default '',
 377                         rev_timestamp char(14) binary NOT NULL default '',
 378                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 379                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 380
 381                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 382                         UNIQUE INDEX rev_id (rev_id),
 383                         INDEX rev_timestamp (rev_timestamp),
 384                         INDEX page_timestamp (rev_page,rev_timestamp),
 385                         INDEX user_timestamp (rev_user,rev_timestamp),
 386                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 387                         ) TYPE=InnoDB", $fname );
 388
 389                 echo wfTimestamp();
 390                 echo "......Locking tables.\n";
 391                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 392
 393                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 394                 echo wfTimestamp();
 395                 echo "......maxold is {$maxold}\n";
 396
 397                 echo wfTimestamp();
 398                 global $wgLegacySchemaConversion;
 399                 if( $wgLegacySchemaConversion ) {
 400                         // Create HistoryBlobCurStub entries.
 401                         // Text will be pulled from the leftover 'cur' table at runtime.
 402                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 403                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 404                         $cur_flags = "'object'";
 405                 } else {
 406                         // Copy all cur text in immediately: this may take longer but avoids
 407                         // having to keep an extra table around.
 408                         echo "......Moving text from cur.\n";
 409                         $cur_text = 'cur_text';
 410                         $cur_flags = "''";
 411                 }
 412                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 413                                 old_timestamp, old_minor_edit, old_flags)
 414                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 415                         FROM $cur", $fname );
 416
 417                 echo wfTimestamp();
 418                 echo "......Setting up revision table.\n";
 419                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 420                                 rev_minor_edit)
 421                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 422                                 old_timestamp, old_minor_edit
 423                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 424
 425                 echo wfTimestamp();
 426                 echo "......Setting up page table.\n";
 427                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 428                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 429                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 430                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 431                         FROM $cur,$revision
 432                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 433
 434                 echo wfTimestamp();
 435                 echo "......Unlocking tables.\n";
 436                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 437
 438                 echo wfTimestamp();
 439                 echo "......Renaming old.\n";
 440                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 441
 442                 echo wfTimestamp();
 443                 echo "...done.\n";
 444         }
 445 }
 446
 447 function do_inverse_timestamp() {
 448         global $wgDatabase;
 449         $fname="do_schema_restructuring";
 450         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 451                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 452                 dbsource( 'maintenance/archives/patch-inverse_timestamp.sql', $wgDatabase );
 453                 echo "ok\n";
 454         } else {
 455                 echo "revision timestamp indexes already up to 2005-03-13\n";
 456         }
 457 }
 458
 459 function do_text_id() {
 460         global $wgDatabase;
 461         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 462                 echo "...rev_text_id already in place.\n";
 463         } else {
 464                 echo "Adding rev_text_id field... ";
 465                 dbsource( 'maintenance/archives/patch-rev_text_id.sql', $wgDatabase );
 466                 echo "ok\n";
 467         }
 468 }
 469
 470 function do_namespace_size() {
 471         $tables = array(
 472                 'page'          => 'page',
 473                 'archive'       => 'ar',
 474                 'recentchanges' => 'rc',
 475                 'watchlist'     => 'wl',
 476                 'querycache'    => 'qc',
 477                 'logging'       => 'log',
 478         );
 479         foreach( $tables as $table => $prefix ) {
 480                 do_namespace_size_on( $table, $prefix );
 481                 flush();
 482         }
 483 }
 484
 485 function do_namespace_size_on( $table, $prefix ) {
 486         global $wgDatabase, $wgDBtype;
 487         if ($wgDBtype != 'mysql')
 488                 return;
 489         $field = $prefix . '_namespace';
 490
 491         $tablename = $wgDatabase->tableName( $table );
 492         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 493         $info = $wgDatabase->fetchObject( $result );
 494         $wgDatabase->freeResult( $result );
 495
 496         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 497                 echo "...$field is already a full int ($info->Type).\n";
 498         } else {
 499                 echo "Promoting $field from $info->Type to int... ";
 500
 501                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 502                 $wgDatabase->query( $sql );
 503
 504                 echo "ok\n";
 505         }
 506 }
 507
 508 function do_pagelinks_update() {
 509         global $wgDatabase;
 510         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 511                 echo "...already have pagelinks table.\n";
 512         } else {
 513                 echo "Converting links and brokenlinks tables to pagelinks... ";
 514                 dbsource( "maintenance/archives/patch-pagelinks.sql", $wgDatabase );
 515                 echo "ok\n";
 516                 flush();
 517
 518                 global $wgCanonicalNamespaceNames;
 519                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 520                         if( $ns != 0 ) {
 521                                 do_pagelinks_namespace( $ns );
 522                         }
 523                 }
 524         }
 525 }
 526
 527 function do_pagelinks_namespace( $namespace ) {
 528         global $wgDatabase, $wgContLang;
 529
 530         $ns = intval( $namespace );
 531         echo "Cleaning up broken links for namespace $ns... ";
 532
 533         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 534         $name = $wgContLang->getNsText( $ns );
 535         $prefix = $wgDatabase->strencode( $name );
 536         $likeprefix = str_replace( '_', '\\_', $prefix);
 537
 538         $sql = "UPDATE $pagelinks
 539                    SET pl_namespace=$ns,
 540                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 541                  WHERE pl_namespace=0
 542                    AND pl_title LIKE '$likeprefix:%'";
 543
 544         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 545         echo "ok\n";
 546 }
 547
 548 function do_drop_img_type() {
 549         global $wgDatabase;
 550
 551         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 552                 echo "Dropping unused img_type field in image table... ";
 553                 dbsource( "maintenance/archives/patch-drop_img_type.sql", $wgDatabase );
 554                 echo "ok\n";
 555         } else {
 556                 echo "No img_type field in image table; Good.\n";
 557         }
 558 }
 559
 560 function do_old_links_update() {
 561         global $wgDatabase;
 562         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 563                 echo "Already have pagelinks; skipping old links table updates.\n";
 564         } else {
 565                 convertLinks(); flush();
 566         }
 567 }
 568
 569 function do_user_unique_update() {
 570         global $wgDatabase;
 571         $duper = new UserDupes( $wgDatabase );
 572         if( $duper->hasUniqueIndex() ) {
 573                 echo "Already have unique user_name index.\n";
 574         } else {
 575                 if( !$duper->clearDupes() ) {
 576                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 577                 }
 578                 echo "Adding unique index on user_name... ";
 579                 dbsource( 'maintenance/archives/patch-user_nameindex.sql', $wgDatabase );
 580                 echo "ok\n";
 581         }
 582 }
 583
 584 function do_user_groups_update() {
 585         $fname = 'do_user_groups_update';
 586         global $wgDatabase;
 587
 588         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 589                 echo "...user_groups table already exists.\n";
 590                 return do_user_groups_reformat();
 591         }
 592
 593         echo "Adding user_groups table... ";
 594         dbsource( 'maintenance/archives/patch-user_groups.sql', $wgDatabase );
 595         echo "ok\n";
 596
 597         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 598                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 599                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 600                         dbsource( 'maintenance/archives/patch-user_rights.sql', $wgDatabase );
 601                         echo "ok\n";
 602                 } else {
 603                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 604                         echo "*** You may need to manually configure some sysops by manipulating\n";
 605                         echo "*** the user_groups table.\n";
 606                         return;
 607                 }
 608         }
 609
 610         echo "Converting user_rights table to user_groups... ";
 611         $result = $wgDatabase->select( 'user_rights',
 612                 array( 'ur_user', 'ur_rights' ),
 613                 array( "ur_rights != ''" ),
 614                 $fname );
 615
 616         while( $row = $wgDatabase->fetchObject( $result ) ) {
 617                 $groups = array_unique(
 618                         array_map( 'trim',
 619                                 explode( ',', $row->ur_rights ) ) );
 620
 621                 foreach( $groups as $group ) {
 622                         $wgDatabase->insert( 'user_groups',
 623                                 array(
 624                                         'ug_user'  => $row->ur_user,
 625                                         'ug_group' => $group ),
 626                                 $fname );
 627                 }
 628         }
 629         $wgDatabase->freeResult( $result );
 630         echo "ok\n";
 631 }
 632
 633 function do_user_groups_reformat() {
 634         # Check for bogus formats from previous 1.5 alpha code.
 635         global $wgDatabase;
 636         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 637
 638         if( $info->type == 'int' ) {
 639                 $oldug = $wgDatabase->tableName( 'user_groups' );
 640                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 641                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 642                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 643                 echo "ok\n";
 644
 645                 echo "Re-adding fresh user_groups table... ";
 646                 dbsource( 'maintenance/archives/patch-user_groups.sql', $wgDatabase );
 647                 echo "ok\n";
 648
 649                 echo "***\n";
 650                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 651                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 652                 echo "***\n";
 653         } else {
 654                 echo "...user_groups is in current format.\n";
 655         }
 656
 657 }
 658
 659 function do_watchlist_null() {
 660         # Make sure wl_notificationtimestamp can be NULL,
 661         # and update old broken items.
 662         global $wgDatabase;
 663         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 664
 665         if( $info->not_null ) {
 666                 echo "Making wl_notificationtimestamp nullable... ";
 667                 dbsource( 'maintenance/archives/patch-watchlist-null.sql', $wgDatabase );
 668                 echo "ok\n";
 669         } else {
 670                 echo "...wl_notificationtimestamp is already nullable.\n";
 671         }
 672
 673 }
 674
 675 function do_all_updates() {
 676         global $wgNewTables, $wgNewFields, $wgRenamedTables;
 677
 678         # Rename tables
 679         foreach ( $wgRenamedTables as $tableRecord ) {
 680                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 681         }
 682
 683         # Add missing tables
 684         foreach ( $wgNewTables as $tableRecord ) {
 685                 add_table( $tableRecord[0], $tableRecord[1] );
 686                 flush();
 687         }
 688
 689         # Add missing fields
 690         foreach ( $wgNewFields as $fieldRecord ) {
 691                 add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 692                 flush();
 693         }
 694
 695         # Do schema updates which require special handling
 696         do_interwiki_update(); flush();
 697         do_index_update(); flush();
 698         do_old_links_update(); flush();
 699         do_image_name_unique_update(); flush();
 700         do_watchlist_update(); flush();
 701         do_user_update(); flush();
 702 ######  do_copy_newtalk_to_watchlist(); flush();
 703         do_logging_encoding(); flush();
 704
 705         do_schema_restructuring(); flush();
 706         do_inverse_timestamp(); flush();
 707         do_text_id(); flush();
 708         do_namespace_size(); flush();
 709
 710         do_pagelinks_update(); flush();
 711
 712         do_drop_img_type(); flush();
 713
 714         do_user_unique_update(); flush();
 715         do_user_groups_update(); flush();
 716
 717         do_watchlist_null(); flush();
 718
 719         //do_image_index_update(); flush();
 720
 721         do_logging_timestamp_index(); flush();
 722
 723         initialiseMessages(); flush();
 724 }
 725
 726 function archive($name) {
 727         global $wgDBtype;
 728         switch ($wgDBtype) {
 729         case "oracle":
 730                 return "maintenance/oracle/archives/$name";
 731         default:
 732                 return "maintenance/archives/$name";
 733         }
 734 }
 735 ?>