maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @addtogroup Maintenance
   4  */
   5
   6  /** */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         echo "This file is not a valid entry point\n";
  10         exit( 1 );
  11 }
  12
  13 require_once 'convertLinks.inc';
  14 require_once 'userDupes.inc';
  15 require_once 'deleteDefaultMessages.php';
  16 # Extension updates
  17 require_once( "$IP/includes/Hooks.php" );
  18
  19 $wgRenamedTables = array(
  20 #           from             to                  patch file
  21 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  22 );
  23
  24 $wgNewTables = array(
  25 #            table          patch file (in maintenance/archives)
  26         array( 'hitcounter',    'patch-hitcounter.sql' ),
  27         array( 'querycache',    'patch-querycache.sql' ),
  28         array( 'objectcache',   'patch-objectcache.sql' ),
  29         array( 'categorylinks', 'patch-categorylinks.sql' ),
  30         array( 'logging',       'patch-logging.sql' ),
  31         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  32         array( 'transcache',    'patch-transcache.sql' ),
  33         array( 'trackbacks',    'patch-trackbacks.sql' ),
  34         array( 'externallinks', 'patch-externallinks.sql' ),
  35         array( 'job',           'patch-job.sql' ),
  36         array( 'langlinks',     'patch-langlinks.sql' ),
  37         array( 'querycache_info', 'patch-querycacheinfo.sql' ),
  38         array( 'filearchive',   'patch-filearchive.sql' ),
  39         array( 'querycachetwo', 'patch-querycachetwo.sql' ),
  40         array( 'redirect', 'patch-redirect.sql' ),
  41         array( 'protected_titles', 'patch-protected_titles.sql' ),
  42 );
  43
  44 $wgNewFields = array(
  45 #           table            field             patch file (in maintenance/archives)
  46         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  47         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  48         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  49         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  50         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  51         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  52         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  53         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  54         array( 'user',          'user_token',       'patch-user_token.sql' ),
  55         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  56         array( 'user',          'user_registration','patch-user_registration.sql' ),
  57         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  58         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  59         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  60         array( 'page',          'page_len',         'patch-page_len.sql' ),
  61         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  62         array( 'image',         'img_width',        'patch-img_width.sql' ),
  63         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  64         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  65         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  66         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  67         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  68         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  69         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  70         array( 'ipblocks',              'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  71         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  72         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  73         array( 'recentchanges', 'rc_deleted',           'patch-rc_deleted.sql' ),
  74         array( 'logging',               'log_id',                       'patch-log_id.sql' ),
  75         array( 'logging',               'log_deleted',          'patch-log_deleted.sql' ),
  76         array( 'archive',               'ar_deleted',           'patch-ar_deleted.sql' ),
  77         array( 'ipblocks',              'ipb_deleted',          'patch-ipb_deleted.sql' ),
  78         array( 'filearchive',   'fa_deleted',           'patch-fa_deleted.sql' ),
  79         array( 'revision',          'rev_len',          'patch-rev_len.sql' ),
  80         array( 'archive',           'ar_len',           'patch-ar_len.sql' ),
  81         array( 'revision',          'rev_parent_id',    'patch-rev_parent_id.sql' ),
  82         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  83         array( 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
  84         array( 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
  85         array( 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
  86         array( 'image',         'img_sha1',         'patch-img_sha1.sql' ),
  87 );
  88
  89 # For extensions only, should be populated via hooks
  90 # $wgDBtype should be checked to specifiy the proper file
  91 $wgExtNewTables = array(); // table, dir
  92 $wgExtNewFields = array(); // table, column, dir
  93 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
  94 $wgExtNewIndexes = array(); // table, index, dir
  95
  96 function rename_table( $from, $to, $patch ) {
  97         global $wgDatabase;
  98         if ( $wgDatabase->tableExists( $from ) ) {
  99                 if ( $wgDatabase->tableExists( $to ) ) {
 100                         echo "...can't move table $from to $to, $to already exists.\n";
 101                 } else {
 102                         echo "Moving table $from to $to...";
 103                         dbsource( archive($patch), $wgDatabase );
 104                         echo "ok\n";
 105                 }
 106         } else {
 107                 // Source table does not exist
 108                 // Renames are done before creations, so this is typical for a new installation
 109                 // Ignore silently
 110         }
 111 }
 112
 113 function add_table( $name, $patch, $fullpath=false ) {
 114         global $wgDatabase;
 115         if ( $wgDatabase->tableExists( $name ) ) {
 116                 echo "...$name table already exists.\n";
 117         } else {
 118                 echo "Creating $name table...";
 119                 if( $fullpath ) {
 120                         dbsource( $patch, $wgDatabase );
 121                 } else {
 122                         dbsource( archive($patch), $wgDatabase );
 123                 }
 124                 echo "ok\n";
 125         }
 126 }
 127
 128 function add_field( $table, $field, $patch, $fullpath=false ) {
 129         global $wgDatabase;
 130         if ( !$wgDatabase->tableExists( $table ) ) {
 131                 echo "...$table table does not exist, skipping new field patch\n";
 132         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 133                 echo "...have $field field in $table table.\n";
 134         } else {
 135                 echo "Adding $field field to table $table...";
 136                 if( $fullpath ) {
 137                         dbsource( $patch, $wgDatabase );
 138                 } else {
 139                         dbsource( archive($patch), $wgDatabase );
 140                 }
 141                 echo "ok\n";
 142         }
 143 }
 144
 145 function add_index( $table, $index, $patch, $fullpath=false ) {
 146         global $wgDatabase;
 147         if( $wgDatabase->indexExists( $table, $index ) ) {
 148                 echo "...$index key already set on $table table.\n";
 149         } else {
 150                 echo "Adding $index key to table $table... ";
 151                 if( $fullpath ) {
 152                         dbsource( $patch, $wgDatabase );
 153                 } else {
 154                         dbsource( archive($patch), $wgDatabase );
 155                 }
 156                 echo "ok\n";
 157         }
 158 }
 159
 160 function do_revision_updates() {
 161         global $wgSoftwareRevision;
 162         if ( $wgSoftwareRevision < 1001 ) {
 163                 update_passwords();
 164         }
 165 }
 166
 167 function update_passwords() {
 168         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 169
 170         global $wgDatabase;
 171         $fname = "Update script: update_passwords()";
 172         print "\nIt appears that you need to update the user passwords in your\n" .
 173           "database. If you have already done this (if you've run this update\n" .
 174           "script once before, for example), doing so again will make all your\n" .
 175           "user accounts inaccessible, so be sure you only do this once.\n" .
 176           "Update user passwords? (yes/no)";
 177
 178         $resp = readconsole();
 179     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 180
 181         $sql = "SELECT user_id,user_password FROM user";
 182         $source = $wgDatabase->query( $sql, $fname );
 183
 184         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 185                 $id = $row->user_id;
 186                 $oldpass = $row->user_password;
 187                 $newpass = md5( "{$id}-{$oldpass}" );
 188
 189                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 190                   "WHERE user_id={$id}";
 191                 $wgDatabase->query( $sql, $fname );
 192         }
 193 }
 194
 195 function do_interwiki_update() {
 196         # Check that interwiki table exists; if it doesn't source it
 197         global $wgDatabase, $IP;
 198         if( $wgDatabase->tableExists( "interwiki" ) ) {
 199                 echo "...already have interwiki table\n";
 200                 return true;
 201         }
 202         echo "Creating interwiki table: ";
 203         dbsource( archive("patch-interwiki.sql") );
 204         echo "ok\n";
 205         echo "Adding default interwiki definitions: ";
 206         dbsource( "$IP/maintenance/interwiki.sql" );
 207         echo "ok\n";
 208 }
 209
 210 function do_index_update() {
 211         # Check that proper indexes are in place
 212         global $wgDatabase;
 213         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 214         if( !$meta->isMultipleKey() ) {
 215                 echo "Updating indexes to 20031107: ";
 216                 dbsource( archive("patch-indexes.sql") );
 217                 echo "ok\n";
 218                 return true;
 219         }
 220         echo "...indexes seem up to 20031107 standards\n";
 221         return false;
 222 }
 223
 224 function do_image_index_update() {
 225         global $wgDatabase;
 226
 227         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 228         if( !$meta->isMultipleKey() ) {
 229                 echo "Updating indexes to 20050912: ";
 230                 dbsource( archive("patch-mimesearch-indexes.sql") );
 231                 echo "ok\n";
 232                 return true;
 233         }
 234         echo "...indexes seem up to 20050912 standards\n";
 235         return false;
 236 }
 237
 238 function do_image_name_unique_update() {
 239         global $wgDatabase;
 240         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 241                 echo "...image primary key already set.\n";
 242         } else {
 243                 echo "Making img_name the primary key... ";
 244                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 245                 echo "ok\n";
 246         }
 247 }
 248
 249 function do_logging_timestamp_index() {
 250         global $wgDatabase;
 251         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 252                 echo "...timestamp key on logging already exists.\n";
 253         } else {
 254                 echo "Adding timestamp key on logging table... ";
 255                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 256                 echo "ok\n";
 257         }
 258 }
 259
 260 function do_archive_user_index() {
 261         global $wgDatabase;
 262         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 263                 echo "...usertext,timestamp key on archive already exists.\n";
 264         } else {
 265                 echo "Adding usertext,timestamp key on archive table... ";
 266                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 267                 echo "ok\n";
 268         }
 269 }
 270
 271 function do_image_user_index() {
 272         global $wgDatabase;
 273         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 274                 echo "...usertext,timestamp key on image already exists.\n";
 275         } else {
 276                 echo "Adding usertext,timestamp key on image table... ";
 277                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 278                 echo "ok\n";
 279         }
 280 }
 281
 282 function do_oldimage_user_index() {
 283         global $wgDatabase;
 284         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 285                 echo "...usertext,timestamp key on oldimage already exists.\n";
 286         } else {
 287                 echo "Adding usertext,timestamp key on oldimage table... ";
 288                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 289                 echo "ok\n";
 290         }
 291 }
 292
 293 function do_watchlist_update() {
 294         global $wgDatabase;
 295         $fname = 'do_watchlist_update';
 296         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 297                 echo "The watchlist table is already set up for email notification.\n";
 298         } else {
 299                 echo "Adding wl_notificationtimestamp field for email notification management.";
 300                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 301                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 302                 echo "ok\n";
 303         }
 304         # Check if we need to add talk page rows to the watchlist
 305         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 306         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 307         if ( $talk != $nontalk ) {
 308                 echo "Adding missing watchlist talk page rows... ";
 309                 flush();
 310
 311                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 312                         array(
 313                                 'wl_user' => 'wl_user',
 314                                 'wl_namespace' => 'wl_namespace | 1',
 315                                 'wl_title' => 'wl_title',
 316                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 317                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 318                 echo "ok\n";
 319         } else {
 320                 echo "...watchlist talk page rows already present\n";
 321         }
 322 }
 323
 324 function do_copy_newtalk_to_watchlist() {
 325         global $wgDatabase;
 326         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 327
 328         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 329                 $wgDatabase->tableName( 'user_newtalk' ) );
 330         $num_newtalks=$wgDatabase->numRows($res);
 331         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 332
 333         $user = new User();
 334         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 335                 $wluser = $wgDatabase->fetchObject( $res );
 336                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 337                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 338                                 $wgDatabase->replace( 'watchlist',
 339                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 340                                           array('wl_user'                       => 0,
 341                                                 'wl_namespace'                  => NS_USER_TALK,
 342                                                 'wl_title'                      => $wluser->user_ip,
 343                                                 'wl_notificationtimestamp'      => '19700101000000'
 344                                                 ), 'updaters.inc::do_watchlist_update2'
 345                                         );
 346                         }
 347                 } else { # normal users ... have user_ids
 348                         $user->setID($wluser->user_id);
 349                         $wgDatabase->replace( 'watchlist',
 350                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 351                                   array('wl_user'                       => $user->getID(),
 352                                         'wl_namespace'                  => NS_USER_TALK,
 353                                         'wl_title'                      => $user->getName(),
 354                                         'wl_notificationtimestamp'      => '19700101000000'
 355                                         ), 'updaters.inc::do_watchlist_update3'
 356                                 );
 357                 }
 358         }
 359         echo "Done.\n";
 360 }
 361
 362
 363 function do_user_update() {
 364         global $wgDatabase;
 365         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 366                 echo "User table contains old email authentication field. Dropping... ";
 367                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 368                 echo "ok\n";
 369         } else {
 370                 echo "...user table does not contain old email authentication field.\n";
 371         }
 372 }
 373
 374 /**
 375  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 376  * which causes a collation mismatch error on joins in MySQL 4.1.
 377  */
 378 function do_logging_encoding() {
 379         global $wgDatabase, $wgDBtype;
 380         if ($wgDBtype != 'mysql')
 381                 return;
 382         $logging = $wgDatabase->tableName( 'logging' );
 383         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 384         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 385         $wgDatabase->freeResult( $res );
 386
 387         if( in_array( 'binary', $flags ) ) {
 388                 echo "Logging table has correct title encoding.\n";
 389         } else {
 390                 echo "Fixing title encoding on logging table... ";
 391                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 392                 echo "ok\n";
 393         }
 394 }
 395
 396 function do_schema_restructuring() {
 397         global $wgDatabase;
 398         $fname="do_schema_restructuring";
 399         if ( $wgDatabase->tableExists( 'page' ) ) {
 400                 echo "...page table already exists.\n";
 401         } else {
 402                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 403                 echo wfTimestamp( TS_DB );
 404                 echo "......checking for duplicate entries.\n"; flush();
 405
 406                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 407
 408                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 409                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 410
 411                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 412                         echo wfTimestamp( TS_DB );
 413                         echo "......<b>Found duplicate entries</b>\n";
 414                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 415                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 416                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 417                                         $duplicate[$row->cur_namespace] = array();
 418                                 }
 419                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 420                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 421                         }
 422                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 423                         $firstCond = true;
 424                         foreach ( $duplicate as $ns => $titles ) {
 425                                 if ( $firstCond ) {
 426                                         $firstCond = false;
 427                                 } else {
 428                                         $sql .= ' OR ';
 429                                 }
 430                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 431                                 $first = true;
 432                                 foreach ( $titles as $t ) {
 433                                         if ( $first ) {
 434                                                 $sql .= $wgDatabase->addQuotes( $t );
 435                                                 $first = false;
 436                                         } else {
 437                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 438                                         }
 439                                 }
 440                                 $sql .= ") ) \n";
 441                         }
 442                         # By sorting descending, the most recent entry will be the first in the list.
 443                         # All following entries will be deleted by the next while-loop.
 444                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 445
 446                         $rows = $wgDatabase->query( $sql, $fname );
 447
 448                         $prev_title = $prev_namespace = false;
 449                         $deleteId = array();
 450
 451                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 452                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 453                                         $deleteId[] = $row->cur_id;
 454                                 }
 455                                 $prev_title     = $row->cur_title;
 456                                 $prev_namespace = $row->cur_namespace;
 457                         }
 458                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 459                         $rows = $wgDatabase->query( $sql, $fname );
 460                         echo wfTimestamp( TS_DB );
 461                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 462                 }
 463
 464
 465                 echo wfTimestamp( TS_DB );
 466                 echo "......Creating tables.\n";
 467                 $wgDatabase->query("CREATE TABLE $page (
 468                         page_id int(8) unsigned NOT NULL auto_increment,
 469                         page_namespace int NOT NULL,
 470                         page_title varchar(255) binary NOT NULL,
 471                         page_restrictions tinyblob NOT NULL,
 472                         page_counter bigint(20) unsigned NOT NULL default '0',
 473                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 474                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 475                         page_random real unsigned NOT NULL,
 476                         page_touched char(14) binary NOT NULL default '',
 477                         page_latest int(8) unsigned NOT NULL,
 478                         page_len int(8) unsigned NOT NULL,
 479
 480                         PRIMARY KEY page_id (page_id),
 481                         UNIQUE INDEX name_title (page_namespace,page_title),
 482                         INDEX (page_random),
 483                         INDEX (page_len)
 484                         ) TYPE=InnoDB", $fname );
 485                 $wgDatabase->query("CREATE TABLE $revision (
 486                         rev_id int(8) unsigned NOT NULL auto_increment,
 487                         rev_page int(8) unsigned NOT NULL,
 488                         rev_comment tinyblob NOT NULL,
 489                         rev_user int(5) unsigned NOT NULL default '0',
 490                         rev_user_text varchar(255) binary NOT NULL default '',
 491                         rev_timestamp char(14) binary NOT NULL default '',
 492                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 493                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 494                         rev_len int(8) unsigned,
 495                         rev_parent_id int(8) unsigned default NULL,
 496                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 497                         UNIQUE INDEX rev_id (rev_id),
 498                         INDEX rev_timestamp (rev_timestamp),
 499                         INDEX page_timestamp (rev_page,rev_timestamp),
 500                         INDEX user_timestamp (rev_user,rev_timestamp),
 501                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 502                         ) TYPE=InnoDB", $fname );
 503
 504                 echo wfTimestamp( TS_DB );
 505                 echo "......Locking tables.\n";
 506                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 507
 508                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 509                 echo wfTimestamp( TS_DB );
 510                 echo "......maxold is {$maxold}\n";
 511
 512                 echo wfTimestamp( TS_DB );
 513                 global $wgLegacySchemaConversion;
 514                 if( $wgLegacySchemaConversion ) {
 515                         // Create HistoryBlobCurStub entries.
 516                         // Text will be pulled from the leftover 'cur' table at runtime.
 517                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 518                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 519                         $cur_flags = "'object'";
 520                 } else {
 521                         // Copy all cur text in immediately: this may take longer but avoids
 522                         // having to keep an extra table around.
 523                         echo "......Moving text from cur.\n";
 524                         $cur_text = 'cur_text';
 525                         $cur_flags = "''";
 526                 }
 527                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 528                                 old_timestamp, old_minor_edit, old_flags)
 529                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 530                         FROM $cur", $fname );
 531
 532                 echo wfTimestamp( TS_DB );
 533                 echo "......Setting up revision table.\n";
 534                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 535                                 rev_minor_edit)
 536                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 537                                 old_timestamp, old_minor_edit
 538                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 539
 540                 echo wfTimestamp( TS_DB );
 541                 echo "......Setting up page table.\n";
 542                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 543                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 544                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 545                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 546                         FROM $cur,$revision
 547                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 548
 549                 echo wfTimestamp( TS_DB );
 550                 echo "......Unlocking tables.\n";
 551                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 552
 553                 echo wfTimestamp( TS_DB );
 554                 echo "......Renaming old.\n";
 555                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 556
 557                 echo wfTimestamp( TS_DB );
 558                 echo "...done.\n";
 559         }
 560 }
 561
 562 function do_inverse_timestamp() {
 563         global $wgDatabase;
 564         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 565                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 566                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 567                 echo "ok\n";
 568         } else {
 569                 echo "revision timestamp indexes already up to 2005-03-13\n";
 570         }
 571 }
 572
 573 function do_text_id() {
 574         global $wgDatabase;
 575         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 576                 echo "...rev_text_id already in place.\n";
 577         } else {
 578                 echo "Adding rev_text_id field... ";
 579                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 580                 echo "ok\n";
 581         }
 582 }
 583
 584 function do_namespace_size() {
 585         $tables = array(
 586                 'page'          => 'page',
 587                 'archive'       => 'ar',
 588                 'recentchanges' => 'rc',
 589                 'watchlist'     => 'wl',
 590                 'querycache'    => 'qc',
 591                 'logging'       => 'log',
 592         );
 593         foreach( $tables as $table => $prefix ) {
 594                 do_namespace_size_on( $table, $prefix );
 595                 flush();
 596         }
 597 }
 598
 599 function do_namespace_size_on( $table, $prefix ) {
 600         global $wgDatabase, $wgDBtype;
 601         if ($wgDBtype != 'mysql')
 602                 return;
 603         $field = $prefix . '_namespace';
 604
 605         $tablename = $wgDatabase->tableName( $table );
 606         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 607         $info = $wgDatabase->fetchObject( $result );
 608         $wgDatabase->freeResult( $result );
 609
 610         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 611                 echo "...$field is already a full int ($info->Type).\n";
 612         } else {
 613                 echo "Promoting $field from $info->Type to int... ";
 614
 615                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 616                 $wgDatabase->query( $sql );
 617
 618                 echo "ok\n";
 619         }
 620 }
 621
 622 function do_pagelinks_update() {
 623         global $wgDatabase;
 624         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 625                 echo "...already have pagelinks table.\n";
 626         } else {
 627                 echo "Converting links and brokenlinks tables to pagelinks... ";
 628                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 629                 echo "ok\n";
 630                 flush();
 631
 632                 global $wgCanonicalNamespaceNames;
 633                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 634                         if( $ns != 0 ) {
 635                                 do_pagelinks_namespace( $ns );
 636                         }
 637                 }
 638         }
 639 }
 640
 641 function do_pagelinks_namespace( $namespace ) {
 642         global $wgDatabase, $wgContLang;
 643
 644         $ns = intval( $namespace );
 645         echo "Cleaning up broken links for namespace $ns... ";
 646
 647         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 648         $name = $wgContLang->getNsText( $ns );
 649         $prefix = $wgDatabase->strencode( $name );
 650         $likeprefix = str_replace( '_', '\\_', $prefix);
 651
 652         $sql = "UPDATE $pagelinks
 653                    SET pl_namespace=$ns,
 654                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 655                  WHERE pl_namespace=0
 656                    AND pl_title LIKE '$likeprefix:%'";
 657
 658         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 659         echo "ok\n";
 660 }
 661
 662 function do_drop_img_type() {
 663         global $wgDatabase;
 664
 665         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 666                 echo "Dropping unused img_type field in image table... ";
 667                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 668                 echo "ok\n";
 669         } else {
 670                 echo "No img_type field in image table; Good.\n";
 671         }
 672 }
 673
 674 function do_old_links_update() {
 675         global $wgDatabase;
 676         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 677                 echo "Already have pagelinks; skipping old links table updates.\n";
 678         } else {
 679                 convertLinks(); flush();
 680         }
 681 }
 682
 683 function do_user_unique_update() {
 684         global $wgDatabase;
 685         $duper = new UserDupes( $wgDatabase );
 686         if( $duper->hasUniqueIndex() ) {
 687                 echo "Already have unique user_name index.\n";
 688         } else {
 689                 if( !$duper->clearDupes() ) {
 690                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 691                 }
 692                 echo "Adding unique index on user_name... ";
 693                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 694                 echo "ok\n";
 695         }
 696 }
 697
 698 function do_user_groups_update() {
 699         $fname = 'do_user_groups_update';
 700         global $wgDatabase;
 701
 702         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 703                 echo "...user_groups table already exists.\n";
 704                 return do_user_groups_reformat();
 705         }
 706
 707         echo "Adding user_groups table... ";
 708         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 709         echo "ok\n";
 710
 711         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 712                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 713                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 714                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 715                         echo "ok\n";
 716                 } else {
 717                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 718                         echo "*** You may need to manually configure some sysops by manipulating\n";
 719                         echo "*** the user_groups table.\n";
 720                         return;
 721                 }
 722         }
 723
 724         echo "Converting user_rights table to user_groups... ";
 725         $result = $wgDatabase->select( 'user_rights',
 726                 array( 'ur_user', 'ur_rights' ),
 727                 array( "ur_rights != ''" ),
 728                 $fname );
 729
 730         while( $row = $wgDatabase->fetchObject( $result ) ) {
 731                 $groups = array_unique(
 732                         array_map( 'trim',
 733                                 explode( ',', $row->ur_rights ) ) );
 734
 735                 foreach( $groups as $group ) {
 736                         $wgDatabase->insert( 'user_groups',
 737                                 array(
 738                                         'ug_user'  => $row->ur_user,
 739                                         'ug_group' => $group ),
 740                                 $fname );
 741                 }
 742         }
 743         $wgDatabase->freeResult( $result );
 744         echo "ok\n";
 745 }
 746
 747 function do_user_groups_reformat() {
 748         # Check for bogus formats from previous 1.5 alpha code.
 749         global $wgDatabase;
 750         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 751
 752         if( $info->type() == 'int' ) {
 753                 $oldug = $wgDatabase->tableName( 'user_groups' );
 754                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 755                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 756                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 757                 echo "ok\n";
 758
 759                 echo "Re-adding fresh user_groups table... ";
 760                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 761                 echo "ok\n";
 762
 763                 echo "***\n";
 764                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 765                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 766                 echo "***\n";
 767         } else {
 768                 echo "...user_groups is in current format.\n";
 769         }
 770
 771 }
 772
 773 function do_watchlist_null() {
 774         # Make sure wl_notificationtimestamp can be NULL,
 775         # and update old broken items.
 776         global $wgDatabase;
 777         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 778
 779         if( !$info->nullable() ) {
 780                 echo "Making wl_notificationtimestamp nullable... ";
 781                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 782                 echo "ok\n";
 783         } else {
 784                 echo "...wl_notificationtimestamp is already nullable.\n";
 785         }
 786
 787 }
 788
 789 /**
 790  * @bug 3946
 791  */
 792 function do_page_random_update() {
 793         global $wgDatabase;
 794
 795         echo "Setting page_random to a random value on rows where it equals 0...";
 796
 797         $page = $wgDatabase->tableName( 'page' );
 798         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 799         $rows = $wgDatabase->affectedRows();
 800
 801         echo "changed $rows rows\n";
 802 }
 803
 804 function do_templatelinks_update() {
 805         global $wgDatabase, $wgLoadBalancer;
 806         $fname = 'do_templatelinks_update';
 807
 808         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 809                 echo "...templatelinks table already exists\n";
 810                 return;
 811         }
 812         echo "Creating templatelinks table...\n";
 813         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 814         echo "Populating...\n";
 815         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 816                 // Slow, replication-friendly update
 817                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 818                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 819                 $count = 0;
 820                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 821                         $count = ($count + 1) % 100;
 822                         if ( $count == 0 ) {
 823                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 824                                         wfWaitForSlaves( 10 );
 825                                 } else {
 826                                         sleep( 1 );
 827                                 }
 828                         }
 829                         $wgDatabase->insert( 'templatelinks',
 830                                 array(
 831                                         'tl_from' => $row->pl_from,
 832                                         'tl_namespace' => $row->pl_namespace,
 833                                         'tl_title' => $row->pl_title,
 834                                 ), $fname
 835                         );
 836
 837                 }
 838                 $wgDatabase->freeResult( $res );
 839         } else {
 840                 // Fast update
 841                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 842                         array(
 843                                 'tl_from' => 'pl_from',
 844                                 'tl_namespace' => 'pl_namespace',
 845                                 'tl_title' => 'pl_title'
 846                         ), array(
 847                                 'pl_namespace' => 10
 848                         ), $fname
 849                 );
 850         }
 851         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 852 }
 853
 854 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 855 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 856 function do_rc_indices_update() {
 857         global $wgDatabase;
 858         echo( "Checking for additional recent changes indices...\n" );
 859
 860         $indexes = array(
 861                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 862                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 863         );
 864
 865         foreach( $indexes as $index => $patch ) {
 866                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 867                 if( !$info ) {
 868                         echo( "...index `{$index}` not found; adding..." );
 869                         dbsource( archive( $patch ) );
 870                         echo( "done.\n" );
 871                 } else {
 872                         echo( "...index `{$index}` seems ok.\n" );
 873                 }
 874         }
 875 }
 876
 877 function index_has_field($table, $index, $field) {
 878         global $wgDatabase;
 879         echo( "Checking if $table index $index includes field $field...\n" );
 880         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 881         if( $info ) {
 882                 foreach($info as $row) {
 883                         if($row->Column_name == $field) {
 884                                 echo( "...index $index on table $table seems to be ok\n" );
 885                                 return true;
 886                         }
 887                 }
 888         }
 889         echo( "...index $index on table $table has no field $field; adding\n" );
 890         return false;
 891 }
 892
 893 function do_backlinking_indices_update() {
 894         echo( "Checking for backlinking indices...\n" );
 895         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 896                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 897                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 898         {
 899                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 900         }
 901 }
 902
 903 function do_categorylinks_indices_update() {
 904         echo( "Checking for categorylinks indices...\n" );
 905         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 906         {
 907                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 908         }
 909 }
 910
 911 function do_stats_init() {
 912         // Sometimes site_stats table is not properly populated.
 913         global $wgDatabase;
 914         echo "Checking site_stats row...";
 915         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 916         if( $row === false ) {
 917                 echo "data is missing! rebuilding...\n";
 918
 919                 global $IP;
 920                 require_once "$IP/maintenance/initStats.inc";
 921                 wfInitStats();
 922         } else {
 923                 echo "ok.\n";
 924         }
 925 }
 926
 927 function purge_cache() {
 928         global $wgDatabase;
 929         # We can't guarantee that the user will be able to use TRUNCATE,
 930         # but we know that DELETE is available to us
 931         echo( "Purging caches..." );
 932         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 933         echo( "done.\n" );
 934 }
 935
 936 function do_all_updates( $shared = false, $purge = true ) {
 937         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 938
 939         wfRunHooks('LoadExtensionSchemaUpdates');
 940
 941         $doUser = !$wgSharedDB || $shared;
 942
 943         if ($wgDBtype === 'postgres') {
 944                 do_postgres_updates();
 945                 return;
 946         }
 947
 948         # Rename tables
 949         foreach ( $wgRenamedTables as $tableRecord ) {
 950                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 951         }
 952
 953         # Add missing tables
 954         foreach ( $wgNewTables as $tableRecord ) {
 955                 add_table( $tableRecord[0], $tableRecord[1] );
 956                 flush();
 957         }
 958
 959         # Add missing fields
 960         foreach ( $wgNewFields as $fieldRecord ) {
 961                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 962                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 963                 }
 964                 flush();
 965         }
 966
 967         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
 968         # Add missing extension tables
 969         foreach ( $wgExtNewTables as $tableRecord ) {
 970                 add_table( $tableRecord[0], $tableRecord[1], true );
 971                 flush();
 972         }
 973         # Add missing extension fields
 974         foreach ( $wgExtNewFields as $fieldRecord ) {
 975                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 976                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 977                 }
 978                 flush();
 979         }
 980         # Add missing extension indexes
 981         foreach ( $wgExtNewIndexes as $fieldRecord ) {
 982                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 983                 flush();
 984         }
 985
 986         # Do schema updates which require special handling
 987         do_interwiki_update(); flush();
 988         do_index_update(); flush();
 989         do_old_links_update(); flush();
 990         do_image_name_unique_update(); flush();
 991         do_watchlist_update(); flush();
 992         if ( $doUser ) {
 993                 do_user_update(); flush();
 994         }
 995 ######  do_copy_newtalk_to_watchlist(); flush();
 996         do_logging_encoding(); flush();
 997
 998         do_schema_restructuring(); flush();
 999         do_inverse_timestamp(); flush();
1000         do_text_id(); flush();
1001         do_namespace_size(); flush();
1002
1003         do_pagelinks_update(); flush();
1004         do_templatelinks_update(); flush(); // after pagelinks
1005
1006         do_drop_img_type(); flush();
1007
1008         if ( $doUser ) {
1009                 do_user_unique_update(); flush();
1010         }
1011         do_user_groups_update(); flush();
1012
1013         do_watchlist_null(); flush();
1014
1015         //do_image_index_update(); flush();
1016
1017         do_logging_timestamp_index(); flush();
1018
1019         do_page_random_update(); flush();
1020
1021         do_rc_indices_update(); flush();
1022
1023         do_backlinking_indices_update(); flush();
1024
1025         do_categorylinks_indices_update(); flush();
1026
1027         do_restrictions_update(); flush ();
1028
1029         do_archive_user_index(); flush ();
1030
1031         do_image_user_index(); flush ();
1032
1033         do_oldimage_user_index(); flush ();
1034
1035         echo "Deleting old default messages (this may take a long time!)..."; flush();
1036         deleteDefaultMessages();
1037         echo "Done\n"; flush();
1038
1039         do_stats_init(); flush();
1040
1041         if( $purge ) {
1042                 purge_cache();
1043                 flush();
1044         }
1045 }
1046
1047 function archive($name) {
1048         global $wgDBtype, $IP;
1049         switch ($wgDBtype) {
1050         case "postgres":
1051                 return "$IP/maintenance/postgres/archives/$name";
1052         default:
1053                 return "$IP/maintenance/archives/$name";
1054         }
1055 }
1056
1057 function do_restrictions_update() {
1058         # Adding page_restrictions table, obsoleting page.page_restrictions.
1059         #  Migrating old restrictions to new table
1060         # -- Andrew Garrett, January 2007.
1061
1062         global $wgDatabase;
1063
1064         $name = 'page_restrictions';
1065         $patch = 'patch-page_restrictions.sql';
1066         $patch2 = 'patch-page_restrictions_sortkey.sql';
1067
1068         if ( $wgDatabase->tableExists( $name ) ) {
1069                 echo "...$name table already exists.\n";
1070         } else {
1071                 echo "Creating $name table...";
1072                 dbsource( archive($patch), $wgDatabase );
1073                 dbsource( archive($patch2), $wgDatabase );
1074                 echo "ok\n";
1075
1076                 echo "Migrating old restrictions to new table...";
1077
1078                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1079
1080                 $count = 0;
1081
1082                 while ($row = $wgDatabase->fetchObject($res) ) {
1083                         $count = ($count + 1) % 100;
1084
1085                         if ($count == 0) {
1086                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1087                                         wfWaitForSlaves( 10 );
1088                                 } else {
1089                                         sleep( 1 );
1090                                 }
1091                         }
1092
1093                         # Figure out what the restrictions are..
1094                         $id = $row->page_id;
1095                         $flatrestrictions = explode( ':', $row->page_restrictions );
1096
1097                         $restrictions = array ();
1098                         foreach( $flatrestrictions as $restriction ) {
1099                                 $thisrestriction = explode( '=', $restriction, 2 );
1100                                 if( count( $thisrestriction ) == 1 ) {
1101                                         // Compatibility with old protections from before
1102                                         // separate move protection was added.
1103                                         list( $level ) = $thisrestriction;
1104                                         if( $level ) {
1105                                                 $restrictions['edit'] = $level;
1106                                                 $restrictions['move'] = $level;
1107                                         }
1108                                 } else {
1109                                         list( $type, $level ) = $thisrestriction;
1110                                         if( $level ) {
1111                                                 $restrictions[$type] = $level;
1112                                         }
1113                                 }
1114
1115                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1116
1117                         }
1118
1119                         foreach( $restrictions as $type => $level ) {
1120                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1121                                                                                         'pr_type' => $type,
1122                                                                                         'pr_level' => $level,
1123                                                                                         'pr_cascade' => 0,
1124                                                                                         'pr_expiry' => 'infinity' ),
1125                                                                                         __METHOD__ );
1126                         }
1127                 }
1128                 print "ok\n";
1129         }
1130
1131 }
1132
1133 function
1134 pg_describe_table($table)
1135 {
1136 global  $wgDatabase, $wgDBmwschema;
1137         $q = <<<END
1138 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1139         WHERE pg_class.relnamespace = pg_namespace.oid
1140           AND attrelid=pg_class.oid AND attnum > 0
1141           AND relname=%s AND nspname=%s
1142 END;
1143         $res = $wgDatabase->query(sprintf($q,
1144                         $wgDatabase->addQuotes($table),
1145                         $wgDatabase->addQuotes($wgDBmwschema)));
1146         if (!$res)
1147                 return null;
1148
1149         $cols = array();
1150         while ($r = $wgDatabase->fetchRow($res)) {
1151                 $cols[] = array(
1152                                 "name" => $r[0],
1153                                 "ord" => $r[1],
1154                         );
1155         }
1156         return $cols;
1157 }
1158
1159 function
1160 pg_describe_index($idx)
1161 {
1162 global  $wgDatabase, $wgDBmwschema;
1163
1164         // first fetch the key (which is a list of columns ords) and
1165         // the table the index applies to (an oid)
1166         $q = <<<END
1167 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1168         WHERE nspname=%s
1169           AND pg_class.relnamespace = pg_namespace.oid
1170           AND relname=%s
1171           AND indexrelid=pg_class.oid
1172 END;
1173         $res = $wgDatabase->query(sprintf($q,
1174                         $wgDatabase->addQuotes($wgDBmwschema),
1175                         $wgDatabase->addQuotes($idx)));
1176         if (!$res)
1177                 return null;
1178         if (!($r = $wgDatabase->fetchRow($res))) {
1179                 $wgDatabase->freeResult($res);
1180                 return null;
1181         }
1182
1183         $indkey = $r[0];
1184         $relid = intval($r[1]);
1185         $indkeys = explode(" ", $indkey);
1186         $wgDatabase->freeResult($res);
1187
1188         $colnames = array();
1189         foreach ($indkeys as $rid) {
1190                 $query = <<<END
1191 SELECT attname FROM pg_class, pg_attribute
1192         WHERE attrelid=$relid
1193           AND attnum=%d
1194           AND attrelid=pg_class.oid
1195 END;
1196                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1197                 if (!$r2)
1198                         return null;
1199                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1200                         $wgDatabase->freeResult($r2);
1201                         return null;
1202                 }
1203                 $colnames[] = $row2[0];
1204                 $wgDatabase->freeResult($r2);
1205         }
1206
1207         return $colnames;
1208 }
1209
1210 function
1211 pg_index_exists($table, $index)
1212 {
1213 global  $wgDatabase, $wgDBmwschema;
1214         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1215                         array(  "indexname" => $index,
1216                                 "tablename" => $table,
1217                                 "schemaname" => $wgDBmwschema));
1218         return $exists === $index;
1219 }
1220
1221 function
1222 pg_fkey_deltype($fkey)
1223 {
1224 global  $wgDatabase, $wgDBmwschema;
1225         $q = <<<END
1226 SELECT confdeltype FROM pg_constraint, pg_namespace
1227         WHERE connamespace=pg_namespace.oid
1228           AND nspname=%s
1229           AND conname=%s;
1230 END;
1231         $r = $wgDatabase->query(sprintf($q,
1232                 $wgDatabase->addQuotes($wgDBmwschema),
1233                 $wgDatabase->addQuotes($fkey)));
1234         if (!($row = $wgDatabase->fetchRow($r)))
1235                 return null;
1236         return $row[0];
1237 }
1238
1239 function
1240 pg_rule_def($table, $rule)
1241 {
1242 global  $wgDatabase, $wgDBmwschema;
1243         $q = <<<END
1244 SELECT definition FROM pg_rules
1245         WHERE schemaname = %s
1246           AND tablename = %s
1247           AND rulename = %s
1248 END;
1249         $r = $wgDatabase->query(sprintf($q,
1250                         $wgDatabase->addQuotes($wgDBmwschema),
1251                         $wgDatabase->addQuotes($table),
1252                         $wgDatabase->addQuotes($rule)));
1253         $row = $wgDatabase->fetchRow($r);
1254         if (!$row)
1255                 return null;
1256         $d = $row[0];
1257         $wgDatabase->freeResult($r);
1258         return $d;
1259 }
1260
1261 function do_postgres_updates() {
1262         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1263
1264         $wgShowExceptionDetails = 1;
1265
1266         # Just in case their LocalSettings.php does not have this:
1267         if ( !isset( $wgDBmwschema ))
1268                 $wgDBmwschema = 'mediawiki';
1269
1270         # Verify that this user is configured correctly
1271         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1272         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1273         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1274         $conf = array();
1275         foreach( explode( '*', $config ) as $c ) {
1276                 list( $x,$y ) = explode( '=', $c );
1277                 $conf[$x] = $y;
1278         }
1279         $newpath = array();
1280         if( $wgDBmwschema === 'mediawiki' ) {
1281                 if (!array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1282                         echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1283                         $newpath[$wgDBmwschema] = 1;
1284                 }
1285         }
1286         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1287                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1288                 $newpath[$wgDBts2schema] = 1;
1289         }
1290         $searchpath = implode( ',', array_keys( $newpath ) );
1291         if( strlen( $searchpath ) ) {
1292                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1293                 $wgDatabase->doQuery( "SET search_path = $searchpath" );
1294         }
1295         else {
1296                 $path = $conf['search_path'];
1297                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1298         }
1299         $goodconf = array(
1300                 'client_min_messages' => 'error',
1301                 'DateStyle'           => 'ISO, YMD',
1302                 'TimeZone'            => 'GMT'
1303         );
1304         foreach( array_keys( $goodconf ) AS $key ) {
1305                 $value = $goodconf[$key];
1306                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1307                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1308                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1309                         $wgDatabase->doQuery( "SET $key = '$value'" );
1310                 }
1311                 else {
1312                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1313                 }
1314         }
1315
1316         $newsequences = array(
1317                 "log_log_id_seq",
1318                 "pr_id_val",
1319         );
1320
1321         $newtables = array(
1322                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1323                 array("mwuser",            "patch-mwuser.sql"),
1324                 array("pagecontent",       "patch-pagecontent.sql"),
1325                 array("querycachetwo",     "patch-querycachetwo.sql"),
1326                 array("page_restrictions", "patch-page_restrictions.sql"),
1327                 array("profiling",         "patch-profiling.sql"),
1328                 array("protected_titles",  "patch-protected_titles.sql"),
1329                 array("redirect",          "patch-redirect.sql"),
1330         );
1331
1332         $newcols = array(
1333                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1334                 array("archive",       "ar_len",               "INTEGER"),
1335                 array("archive",       "ar_page_id",           "INTEGER"),
1336                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1337                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1338                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1339                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1340                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1341                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1342                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1343                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1344                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1345                 array("logging",       "log_params",           "TEXT"),
1346                 array("mwuser",        "user_editcount",       "INTEGER"),
1347                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1348                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1349                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1350                 array("oldimage",      "oi_media_type",        "TEXT"),
1351                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1352                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1353                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1354                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1355                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1356                 array("recentchanges", "rc_log_action",        "TEXT"),
1357         array("recentchanges", "rc_log_type",          "TEXT"),
1358         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1359                 array("recentchanges", "rc_new_len",           "INTEGER"),
1360                 array("recentchanges", "rc_old_len",           "INTEGER"),
1361                 array("recentchanges", "rc_params",            "TEXT"),
1362                 array("revision",      "rev_len",              "INTEGER"),
1363                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1364         );
1365
1366
1367         # table, column, desired type, USING clause if needed (with new default if needed)
1368         $typechanges = array(
1369                 array("archive",      "ar_deleted",      "smallint", ""),
1370                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1371                 array("filearchive",  "fa_deleted",      "smallint", ""),
1372                 array("filearchive",  "fa_height",       "integer",  ""),
1373                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1374                 array("filearchive",  "fa_size",         "integer",  ""),
1375                 array("filearchive",  "fa_width",        "integer",  ""),
1376                 array("filearchive",  "fa_storage_group","text",     ""),
1377                 array("filearchive",  "fa_storage_key",  "text",     ""),
1378                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1379                 array("image",        "img_size",        "integer",  ""),
1380                 array("image",        "img_width",       "integer",  ""),
1381                 array("image",        "img_height",      "integer",  ""),
1382                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1383                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1384                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1385                 array("ipblocks",     "ipb_anon_only",        "smallint", "ipb_anon_only::smallint DEFAULT 0"),
1386                 array("ipblocks",     "ipb_create_account",        "smallint", "ipb_create_account::smallint DEFAULT 1"),
1387                 array("ipblocks",     "ipb_enable_autoblock",        "smallint", "ipb_enable_autoblock::smallint DEFAULT 1"),
1388                 array("ipblocks",     "ipb_block_email",        "smallint", "ipb_block_email::smallint DEFAULT 0"),
1389                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1390                 array("ipblocks",     "ipb_deleted",     "smallint", ""),
1391                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1392                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1393                 array("mwuser",       "user_token",      "text",     ""),
1394                 array("mwuser",       "user_email_token","text",     ""),
1395                 array("objectcache",  "keyname",         "text",     ""),
1396                 array("oldimage",     "oi_height",       "integer",  ""),
1397                 array("oldimage",     "oi_size",         "integer",  ""),
1398                 array("oldimage",     "oi_width",        "integer",  ""),
1399                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1400                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1401                 array("querycache",   "qc_value",        "integer",  ""),
1402                 array("querycachetwo","qcc_value",       "integer",  ""),
1403                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1404                 array("recentchanges","rc_deleted",      "smallint", ""),
1405                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1406                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1407                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1408                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1409                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1410                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1411                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1412         );
1413
1414         $newindexes = array(
1415                 array("archive",       "archive_user_text", "(ar_user_text)"),
1416                 array("image",         "img_sha1",          "(img_sha1)"),
1417                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1418                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1419         );
1420
1421         $newrules = array(
1422         );
1423
1424         foreach ($newsequences as $ns) {
1425                 if ($wgDatabase->sequenceExists($ns)) {
1426                         echo "... sequence \"$ns\" already exists\n";
1427                         continue;
1428                 }
1429
1430                 echo "Creating sequence \"$ns\"\n";
1431                 $wgDatabase->query("CREATE SEQUENCE $ns");
1432         }
1433
1434         foreach ($newtables as $nt) {
1435                 if ($wgDatabase->tableExists($nt[0])) {
1436                         echo "... table \"$nt[0]\" already exists\n";
1437                         continue;
1438                 }
1439
1440                 echo "Creating table \"$nt[0]\"\n";
1441                 dbsource(archive($nt[1]));
1442         }
1443
1444         ## Needed before newcols
1445         if ($wgDatabase->tableExists("archive2")) {
1446                 echo "Converting \"archive2\" back to normal archive table\n";
1447                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1448                         echo "Dropping rule \"archive_insert\"\n";
1449                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1450                 }
1451                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1452                         echo "Dropping rule \"archive_delete\"\n";
1453                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1454                 }
1455                 dbsource(archive("patch-remove-archive2.sql"));
1456         }
1457         else
1458                 echo "... obsolete table \"archive2\" does not exist\n";
1459
1460         foreach ($newcols as $nc) {
1461                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1462                 if (!is_null($fi)) {
1463                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1464                         continue;
1465                 }
1466
1467                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1468                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1469         }
1470
1471         foreach ($typechanges as $tc) {
1472                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1473                 if (is_null($fi)) {
1474                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1475                         exit(1);
1476                 }
1477
1478                 if ($fi->type() === $tc[2])
1479                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1480                 else {
1481                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1482                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1483                         if (strlen($tc[3])) {
1484                                 $default = array();
1485                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1486                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1487                                         $wgDatabase->query($sqldef);
1488                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1489                                 }
1490                                 $sql .= " USING $tc[3]";
1491                         }
1492                         $sql .= ";\nCOMMIT;\n";
1493                         $wgDatabase->query($sql);
1494                 }
1495         }
1496
1497         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1498                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1499                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1500                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1501                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1502         }
1503         else
1504                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1505
1506
1507         foreach ($newindexes as $ni) {
1508                 if (pg_index_exists($ni[0], $ni[1])) {
1509                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1510                         continue;
1511                 }
1512                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1513                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1514         }
1515
1516         foreach ($newrules as $nr) {
1517                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1518                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1519                         continue;
1520                 }
1521                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1522                 dbsource(archive($nr[2]));
1523         }
1524
1525         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1526                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1527                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1528                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1529                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1530         }
1531         else
1532                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1533
1534         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1535                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1536                 dbsource(archive('patch-page_deleted.sql'));
1537         }
1538         else
1539                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1540
1541         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1542         if (!$fi->nullable()) {
1543                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1544                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1545         }
1546         else
1547                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1548
1549         $pu = pg_describe_index("pagelink_unique");
1550         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1551                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1552                 $wgDatabase->query("DROP INDEX pagelink_unique");
1553                 $pu = null;
1554         }
1555         else
1556                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1557
1558         if (is_null($pu)) {
1559                 echo "Creating index \"pagelink_unique index\"\n";
1560                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1561         }
1562         else
1563                 echo "... index \"pagelink_unique_index\" aready exists\n";
1564
1565         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1566                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1567         }
1568         else {
1569                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1570                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1571         }
1572
1573         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1574         # Add missing extension tables
1575         foreach ( $wgExtNewTables as $nt ) {
1576                 if ($wgDatabase->tableExists($nt[0])) {
1577                         echo "... table \"$nt[0]\" already exists\n";
1578                         continue;
1579                 }
1580                 echo "Creating table \"$nt[0]\"\n";
1581                 dbsource($nt[1]);
1582         }
1583         # Add missing extension fields
1584         foreach ( $wgExtPGNewFields as $nc ) {
1585                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1586                 if (!is_null($fi)) {
1587                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1588                         continue;
1589                 }
1590                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1591                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1592         }
1593         # Add missing extension indexes
1594         foreach ( $wgExtNewIndexes as $ni ) {
1595                 if (pg_index_exists($ni[0], $ni[1])) {
1596                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1597                         continue;
1598                 }
1599                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1600                 dbsource($ni[2]);
1601         }
1602
1603         # Tweak the page_title tsearch2 trigger to filter out slashes
1604         # This is create or replace, so harmless to call if not needed
1605         dbsource(archive("patch-ts2pagetitle.sql"));
1606
1607         return;
1608 }