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