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