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         array( 'page_props',       'patch-page_props.sql' ),
  43 );
  44
  45 $wgNewFields = array(
  46 #           table            field             patch file (in maintenance/archives)
  47         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  48         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  49         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  50         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  51         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  52         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  53         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  54         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  55         array( 'user',          'user_token',       'patch-user_token.sql' ),
  56         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  57         array( 'user',          'user_registration','patch-user_registration.sql' ),
  58         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  59         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  60         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  61         array( 'page',          'page_len',         'patch-page_len.sql' ),
  62         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  63         array( 'image',         'img_width',        'patch-img_width.sql' ),
  64         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  65         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  66         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  67         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  68         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  69         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  70         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  71         array( 'ipblocks',              'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  72         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  73         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  74         array( 'recentchanges', 'rc_deleted',           'patch-rc_deleted.sql' ),
  75         array( 'logging',               'log_id',                       'patch-log_id.sql' ),
  76         array( 'logging',               'log_deleted',          'patch-log_deleted.sql' ),
  77         array( 'archive',               'ar_deleted',           'patch-ar_deleted.sql' ),
  78         array( 'ipblocks',              'ipb_deleted',          'patch-ipb_deleted.sql' ),
  79         array( 'filearchive',   'fa_deleted',           'patch-fa_deleted.sql' ),
  80         array( 'revision',          'rev_len',          'patch-rev_len.sql' ),
  81         array( 'archive',           'ar_len',           'patch-ar_len.sql' ),
  82         array( 'revision',          'rev_parent_id',    'patch-rev_parent_id.sql' ),
  83         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  84         array( 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
  85         array( 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
  86         array( 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
  87         array( 'image',         'img_sha1',         'patch-img_sha1.sql' ),
  88         array( 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
  89 );
  90
  91 # For extensions only, should be populated via hooks
  92 # $wgDBtype should be checked to specifiy the proper file
  93 $wgExtNewTables = array(); // table, dir
  94 $wgExtNewFields = array(); // table, column, dir
  95 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
  96 $wgExtNewIndexes = array(); // table, index, dir
  97
  98 function rename_table( $from, $to, $patch ) {
  99         global $wgDatabase;
 100         if ( $wgDatabase->tableExists( $from ) ) {
 101                 if ( $wgDatabase->tableExists( $to ) ) {
 102                         echo "...can't move table $from to $to, $to already exists.\n";
 103                 } else {
 104                         echo "Moving table $from to $to...";
 105                         dbsource( archive($patch), $wgDatabase );
 106                         echo "ok\n";
 107                 }
 108         } else {
 109                 // Source table does not exist
 110                 // Renames are done before creations, so this is typical for a new installation
 111                 // Ignore silently
 112         }
 113 }
 114
 115 function add_table( $name, $patch, $fullpath=false ) {
 116         global $wgDatabase;
 117         if ( $wgDatabase->tableExists( $name ) ) {
 118                 echo "...$name table already exists.\n";
 119         } else {
 120                 echo "Creating $name table...";
 121                 if( $fullpath ) {
 122                         dbsource( $patch, $wgDatabase );
 123                 } else {
 124                         dbsource( archive($patch), $wgDatabase );
 125                 }
 126                 echo "ok\n";
 127         }
 128 }
 129
 130 function add_field( $table, $field, $patch, $fullpath=false ) {
 131         global $wgDatabase;
 132         if ( !$wgDatabase->tableExists( $table ) ) {
 133                 echo "...$table table does not exist, skipping new field patch\n";
 134         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 135                 echo "...have $field field in $table table.\n";
 136         } else {
 137                 echo "Adding $field field to table $table...";
 138                 if( $fullpath ) {
 139                         dbsource( $patch, $wgDatabase );
 140                 } else {
 141                         dbsource( archive($patch), $wgDatabase );
 142                 }
 143                 echo "ok\n";
 144         }
 145 }
 146
 147 function add_index( $table, $index, $patch, $fullpath=false ) {
 148         global $wgDatabase;
 149         if( $wgDatabase->indexExists( $table, $index ) ) {
 150                 echo "...$index key already set on $table table.\n";
 151         } else {
 152                 echo "Adding $index key to table $table... ";
 153                 if( $fullpath ) {
 154                         dbsource( $patch, $wgDatabase );
 155                 } else {
 156                         dbsource( archive($patch), $wgDatabase );
 157                 }
 158                 echo "ok\n";
 159         }
 160 }
 161
 162 function do_revision_updates() {
 163         global $wgSoftwareRevision;
 164         if ( $wgSoftwareRevision < 1001 ) {
 165                 update_passwords();
 166         }
 167 }
 168
 169 function update_passwords() {
 170         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 171
 172         global $wgDatabase;
 173         $fname = "Update script: update_passwords()";
 174         print "\nIt appears that you need to update the user passwords in your\n" .
 175           "database. If you have already done this (if you've run this update\n" .
 176           "script once before, for example), doing so again will make all your\n" .
 177           "user accounts inaccessible, so be sure you only do this once.\n" .
 178           "Update user passwords? (yes/no)";
 179
 180         $resp = readconsole();
 181     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 182
 183         $sql = "SELECT user_id,user_password FROM user";
 184         $source = $wgDatabase->query( $sql, $fname );
 185
 186         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 187                 $id = $row->user_id;
 188                 $oldpass = $row->user_password;
 189                 $newpass = md5( "{$id}-{$oldpass}" );
 190
 191                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 192                   "WHERE user_id={$id}";
 193                 $wgDatabase->query( $sql, $fname );
 194         }
 195 }
 196
 197 function do_interwiki_update() {
 198         # Check that interwiki table exists; if it doesn't source it
 199         global $wgDatabase, $IP;
 200         if( $wgDatabase->tableExists( "interwiki" ) ) {
 201                 echo "...already have interwiki table\n";
 202                 return true;
 203         }
 204         echo "Creating interwiki table: ";
 205         dbsource( archive("patch-interwiki.sql") );
 206         echo "ok\n";
 207         echo "Adding default interwiki definitions: ";
 208         dbsource( "$IP/maintenance/interwiki.sql" );
 209         echo "ok\n";
 210 }
 211
 212 function do_index_update() {
 213         # Check that proper indexes are in place
 214         global $wgDatabase;
 215         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 216         if( !$meta->isMultipleKey() ) {
 217                 echo "Updating indexes to 20031107: ";
 218                 dbsource( archive("patch-indexes.sql") );
 219                 echo "ok\n";
 220                 return true;
 221         }
 222         echo "...indexes seem up to 20031107 standards\n";
 223         return false;
 224 }
 225
 226 function do_image_index_update() {
 227         global $wgDatabase;
 228
 229         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 230         if( !$meta->isMultipleKey() ) {
 231                 echo "Updating indexes to 20050912: ";
 232                 dbsource( archive("patch-mimesearch-indexes.sql") );
 233                 echo "ok\n";
 234                 return true;
 235         }
 236         echo "...indexes seem up to 20050912 standards\n";
 237         return false;
 238 }
 239
 240 function do_image_name_unique_update() {
 241         global $wgDatabase;
 242         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 243                 echo "...image primary key already set.\n";
 244         } else {
 245                 echo "Making img_name the primary key... ";
 246                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 247                 echo "ok\n";
 248         }
 249 }
 250
 251 function do_logging_timestamp_index() {
 252         global $wgDatabase;
 253         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 254                 echo "...timestamp key on logging already exists.\n";
 255         } else {
 256                 echo "Adding timestamp key on logging table... ";
 257                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 258                 echo "ok\n";
 259         }
 260 }
 261
 262 function do_archive_user_index() {
 263         global $wgDatabase;
 264         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 265                 echo "...usertext,timestamp key on archive already exists.\n";
 266         } else {
 267                 echo "Adding usertext,timestamp key on archive table... ";
 268                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 269                 echo "ok\n";
 270         }
 271 }
 272
 273 function do_image_user_index() {
 274         global $wgDatabase;
 275         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 276                 echo "...usertext,timestamp key on image already exists.\n";
 277         } else {
 278                 echo "Adding usertext,timestamp key on image table... ";
 279                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 280                 echo "ok\n";
 281         }
 282 }
 283
 284 function do_oldimage_user_index() {
 285         global $wgDatabase;
 286         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 287                 echo "...usertext,timestamp key on oldimage already exists.\n";
 288         } else {
 289                 echo "Adding usertext,timestamp key on oldimage table... ";
 290                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 291                 echo "ok\n";
 292         }
 293 }
 294
 295 function do_watchlist_update() {
 296         global $wgDatabase;
 297         $fname = 'do_watchlist_update';
 298         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 299                 echo "The watchlist table is already set up for email notification.\n";
 300         } else {
 301                 echo "Adding wl_notificationtimestamp field for email notification management.";
 302                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 303                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 304                 echo "ok\n";
 305         }
 306         # Check if we need to add talk page rows to the watchlist
 307         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 308         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 309         if ( $talk != $nontalk ) {
 310                 echo "Adding missing watchlist talk page rows... ";
 311                 flush();
 312
 313                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 314                         array(
 315                                 'wl_user' => 'wl_user',
 316                                 'wl_namespace' => 'wl_namespace | 1',
 317                                 'wl_title' => 'wl_title',
 318                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 319                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 320                 echo "ok\n";
 321         } else {
 322                 echo "...watchlist talk page rows already present\n";
 323         }
 324 }
 325
 326 function do_copy_newtalk_to_watchlist() {
 327         global $wgDatabase;
 328         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 329
 330         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 331                 $wgDatabase->tableName( 'user_newtalk' ) );
 332         $num_newtalks=$wgDatabase->numRows($res);
 333         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 334
 335         $user = new User();
 336         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 337                 $wluser = $wgDatabase->fetchObject( $res );
 338                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 339                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 340                                 $wgDatabase->replace( 'watchlist',
 341                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 342                                           array('wl_user'                       => 0,
 343                                                 'wl_namespace'                  => NS_USER_TALK,
 344                                                 'wl_title'                      => $wluser->user_ip,
 345                                                 'wl_notificationtimestamp'      => '19700101000000'
 346                                                 ), 'updaters.inc::do_watchlist_update2'
 347                                         );
 348                         }
 349                 } else { # normal users ... have user_ids
 350                         $user->setID($wluser->user_id);
 351                         $wgDatabase->replace( 'watchlist',
 352                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 353                                   array('wl_user'                       => $user->getID(),
 354                                         'wl_namespace'                  => NS_USER_TALK,
 355                                         'wl_title'                      => $user->getName(),
 356                                         'wl_notificationtimestamp'      => '19700101000000'
 357                                         ), 'updaters.inc::do_watchlist_update3'
 358                                 );
 359                 }
 360         }
 361         echo "Done.\n";
 362 }
 363
 364
 365 function do_user_update() {
 366         global $wgDatabase;
 367         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 368                 echo "User table contains old email authentication field. Dropping... ";
 369                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 370                 echo "ok\n";
 371         } else {
 372                 echo "...user table does not contain old email authentication field.\n";
 373         }
 374 }
 375
 376 /**
 377  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 378  * which causes a collation mismatch error on joins in MySQL 4.1.
 379  */
 380 function do_logging_encoding() {
 381         global $wgDatabase, $wgDBtype;
 382         if ($wgDBtype != 'mysql')
 383                 return;
 384         $logging = $wgDatabase->tableName( 'logging' );
 385         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 386         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 387         $wgDatabase->freeResult( $res );
 388
 389         if( in_array( 'binary', $flags ) ) {
 390                 echo "Logging table has correct title encoding.\n";
 391         } else {
 392                 echo "Fixing title encoding on logging table... ";
 393                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 394                 echo "ok\n";
 395         }
 396 }
 397
 398 function do_schema_restructuring() {
 399         global $wgDatabase;
 400         $fname="do_schema_restructuring";
 401         if ( $wgDatabase->tableExists( 'page' ) ) {
 402                 echo "...page table already exists.\n";
 403         } else {
 404                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 405                 echo wfTimestamp( TS_DB );
 406                 echo "......checking for duplicate entries.\n"; flush();
 407
 408                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 409
 410                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 411                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 412
 413                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 414                         echo wfTimestamp( TS_DB );
 415                         echo "......<b>Found duplicate entries</b>\n";
 416                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 417                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 418                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 419                                         $duplicate[$row->cur_namespace] = array();
 420                                 }
 421                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 422                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 423                         }
 424                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 425                         $firstCond = true;
 426                         foreach ( $duplicate as $ns => $titles ) {
 427                                 if ( $firstCond ) {
 428                                         $firstCond = false;
 429                                 } else {
 430                                         $sql .= ' OR ';
 431                                 }
 432                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 433                                 $first = true;
 434                                 foreach ( $titles as $t ) {
 435                                         if ( $first ) {
 436                                                 $sql .= $wgDatabase->addQuotes( $t );
 437                                                 $first = false;
 438                                         } else {
 439                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 440                                         }
 441                                 }
 442                                 $sql .= ") ) \n";
 443                         }
 444                         # By sorting descending, the most recent entry will be the first in the list.
 445                         # All following entries will be deleted by the next while-loop.
 446                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 447
 448                         $rows = $wgDatabase->query( $sql, $fname );
 449
 450                         $prev_title = $prev_namespace = false;
 451                         $deleteId = array();
 452
 453                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 454                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 455                                         $deleteId[] = $row->cur_id;
 456                                 }
 457                                 $prev_title     = $row->cur_title;
 458                                 $prev_namespace = $row->cur_namespace;
 459                         }
 460                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 461                         $rows = $wgDatabase->query( $sql, $fname );
 462                         echo wfTimestamp( TS_DB );
 463                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 464                 }
 465
 466
 467                 echo wfTimestamp( TS_DB );
 468                 echo "......Creating tables.\n";
 469                 $wgDatabase->query("CREATE TABLE $page (
 470                         page_id int(8) unsigned NOT NULL auto_increment,
 471                         page_namespace int NOT NULL,
 472                         page_title varchar(255) binary NOT NULL,
 473                         page_restrictions tinyblob NOT NULL,
 474                         page_counter bigint(20) unsigned NOT NULL default '0',
 475                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 476                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 477                         page_random real unsigned NOT NULL,
 478                         page_touched char(14) binary NOT NULL default '',
 479                         page_latest int(8) unsigned NOT NULL,
 480                         page_len int(8) unsigned NOT NULL,
 481
 482                         PRIMARY KEY page_id (page_id),
 483                         UNIQUE INDEX name_title (page_namespace,page_title),
 484                         INDEX (page_random),
 485                         INDEX (page_len)
 486                         ) TYPE=InnoDB", $fname );
 487                 $wgDatabase->query("CREATE TABLE $revision (
 488                         rev_id int(8) unsigned NOT NULL auto_increment,
 489                         rev_page int(8) unsigned NOT NULL,
 490                         rev_comment tinyblob NOT NULL,
 491                         rev_user int(5) unsigned NOT NULL default '0',
 492                         rev_user_text varchar(255) binary NOT NULL default '',
 493                         rev_timestamp char(14) binary NOT NULL default '',
 494                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 495                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 496                         rev_len int(8) unsigned,
 497                         rev_parent_id int(8) unsigned default NULL,
 498                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 499                         UNIQUE INDEX rev_id (rev_id),
 500                         INDEX rev_timestamp (rev_timestamp),
 501                         INDEX page_timestamp (rev_page,rev_timestamp),
 502                         INDEX user_timestamp (rev_user,rev_timestamp),
 503                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 504                         ) TYPE=InnoDB", $fname );
 505
 506                 echo wfTimestamp( TS_DB );
 507                 echo "......Locking tables.\n";
 508                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 509
 510                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 511                 echo wfTimestamp( TS_DB );
 512                 echo "......maxold is {$maxold}\n";
 513
 514                 echo wfTimestamp( TS_DB );
 515                 global $wgLegacySchemaConversion;
 516                 if( $wgLegacySchemaConversion ) {
 517                         // Create HistoryBlobCurStub entries.
 518                         // Text will be pulled from the leftover 'cur' table at runtime.
 519                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 520                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 521                         $cur_flags = "'object'";
 522                 } else {
 523                         // Copy all cur text in immediately: this may take longer but avoids
 524                         // having to keep an extra table around.
 525                         echo "......Moving text from cur.\n";
 526                         $cur_text = 'cur_text';
 527                         $cur_flags = "''";
 528                 }
 529                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 530                                 old_timestamp, old_minor_edit, old_flags)
 531                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 532                         FROM $cur", $fname );
 533
 534                 echo wfTimestamp( TS_DB );
 535                 echo "......Setting up revision table.\n";
 536                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 537                                 rev_minor_edit)
 538                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 539                                 old_timestamp, old_minor_edit
 540                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 541
 542                 echo wfTimestamp( TS_DB );
 543                 echo "......Setting up page table.\n";
 544                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 545                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 546                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 547                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 548                         FROM $cur,$revision
 549                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 550
 551                 echo wfTimestamp( TS_DB );
 552                 echo "......Unlocking tables.\n";
 553                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 554
 555                 echo wfTimestamp( TS_DB );
 556                 echo "......Renaming old.\n";
 557                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 558
 559                 echo wfTimestamp( TS_DB );
 560                 echo "...done.\n";
 561         }
 562 }
 563
 564 function do_inverse_timestamp() {
 565         global $wgDatabase;
 566         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 567                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 568                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 569                 echo "ok\n";
 570         } else {
 571                 echo "revision timestamp indexes already up to 2005-03-13\n";
 572         }
 573 }
 574
 575 function do_text_id() {
 576         global $wgDatabase;
 577         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 578                 echo "...rev_text_id already in place.\n";
 579         } else {
 580                 echo "Adding rev_text_id field... ";
 581                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 582                 echo "ok\n";
 583         }
 584 }
 585
 586 function do_namespace_size() {
 587         $tables = array(
 588                 'page'          => 'page',
 589                 'archive'       => 'ar',
 590                 'recentchanges' => 'rc',
 591                 'watchlist'     => 'wl',
 592                 'querycache'    => 'qc',
 593                 'logging'       => 'log',
 594         );
 595         foreach( $tables as $table => $prefix ) {
 596                 do_namespace_size_on( $table, $prefix );
 597                 flush();
 598         }
 599 }
 600
 601 function do_namespace_size_on( $table, $prefix ) {
 602         global $wgDatabase, $wgDBtype;
 603         if ($wgDBtype != 'mysql')
 604                 return;
 605         $field = $prefix . '_namespace';
 606
 607         $tablename = $wgDatabase->tableName( $table );
 608         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 609         $info = $wgDatabase->fetchObject( $result );
 610         $wgDatabase->freeResult( $result );
 611
 612         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 613                 echo "...$field is already a full int ($info->Type).\n";
 614         } else {
 615                 echo "Promoting $field from $info->Type to int... ";
 616
 617                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 618                 $wgDatabase->query( $sql );
 619
 620                 echo "ok\n";
 621         }
 622 }
 623
 624 function do_pagelinks_update() {
 625         global $wgDatabase;
 626         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 627                 echo "...already have pagelinks table.\n";
 628         } else {
 629                 echo "Converting links and brokenlinks tables to pagelinks... ";
 630                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 631                 echo "ok\n";
 632                 flush();
 633
 634                 global $wgCanonicalNamespaceNames;
 635                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 636                         if( $ns != 0 ) {
 637                                 do_pagelinks_namespace( $ns );
 638                         }
 639                 }
 640         }
 641 }
 642
 643 function do_pagelinks_namespace( $namespace ) {
 644         global $wgDatabase, $wgContLang;
 645
 646         $ns = intval( $namespace );
 647         echo "Cleaning up broken links for namespace $ns... ";
 648
 649         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 650         $name = $wgContLang->getNsText( $ns );
 651         $prefix = $wgDatabase->strencode( $name );
 652         $likeprefix = str_replace( '_', '\\_', $prefix);
 653
 654         $sql = "UPDATE $pagelinks
 655                    SET pl_namespace=$ns,
 656                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 657                  WHERE pl_namespace=0
 658                    AND pl_title LIKE '$likeprefix:%'";
 659
 660         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 661         echo "ok\n";
 662 }
 663
 664 function do_drop_img_type() {
 665         global $wgDatabase;
 666
 667         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 668                 echo "Dropping unused img_type field in image table... ";
 669                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 670                 echo "ok\n";
 671         } else {
 672                 echo "No img_type field in image table; Good.\n";
 673         }
 674 }
 675
 676 function do_old_links_update() {
 677         global $wgDatabase;
 678         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 679                 echo "Already have pagelinks; skipping old links table updates.\n";
 680         } else {
 681                 convertLinks(); flush();
 682         }
 683 }
 684
 685 function do_user_unique_update() {
 686         global $wgDatabase;
 687         $duper = new UserDupes( $wgDatabase );
 688         if( $duper->hasUniqueIndex() ) {
 689                 echo "Already have unique user_name index.\n";
 690         } else {
 691                 if( !$duper->clearDupes() ) {
 692                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 693                 }
 694                 echo "Adding unique index on user_name... ";
 695                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 696                 echo "ok\n";
 697         }
 698 }
 699
 700 function do_user_groups_update() {
 701         $fname = 'do_user_groups_update';
 702         global $wgDatabase;
 703
 704         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 705                 echo "...user_groups table already exists.\n";
 706                 return do_user_groups_reformat();
 707         }
 708
 709         echo "Adding user_groups table... ";
 710         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 711         echo "ok\n";
 712
 713         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 714                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 715                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 716                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 717                         echo "ok\n";
 718                 } else {
 719                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 720                         echo "*** You may need to manually configure some sysops by manipulating\n";
 721                         echo "*** the user_groups table.\n";
 722                         return;
 723                 }
 724         }
 725
 726         echo "Converting user_rights table to user_groups... ";
 727         $result = $wgDatabase->select( 'user_rights',
 728                 array( 'ur_user', 'ur_rights' ),
 729                 array( "ur_rights != ''" ),
 730                 $fname );
 731
 732         while( $row = $wgDatabase->fetchObject( $result ) ) {
 733                 $groups = array_unique(
 734                         array_map( 'trim',
 735                                 explode( ',', $row->ur_rights ) ) );
 736
 737                 foreach( $groups as $group ) {
 738                         $wgDatabase->insert( 'user_groups',
 739                                 array(
 740                                         'ug_user'  => $row->ur_user,
 741                                         'ug_group' => $group ),
 742                                 $fname );
 743                 }
 744         }
 745         $wgDatabase->freeResult( $result );
 746         echo "ok\n";
 747 }
 748
 749 function do_user_groups_reformat() {
 750         # Check for bogus formats from previous 1.5 alpha code.
 751         global $wgDatabase;
 752         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 753
 754         if( $info->type() == 'int' ) {
 755                 $oldug = $wgDatabase->tableName( 'user_groups' );
 756                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 757                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 758                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 759                 echo "ok\n";
 760
 761                 echo "Re-adding fresh user_groups table... ";
 762                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 763                 echo "ok\n";
 764
 765                 echo "***\n";
 766                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 767                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 768                 echo "***\n";
 769         } else {
 770                 echo "...user_groups is in current format.\n";
 771         }
 772
 773 }
 774
 775 function do_watchlist_null() {
 776         # Make sure wl_notificationtimestamp can be NULL,
 777         # and update old broken items.
 778         global $wgDatabase;
 779         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 780
 781         if( !$info->nullable() ) {
 782                 echo "Making wl_notificationtimestamp nullable... ";
 783                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 784                 echo "ok\n";
 785         } else {
 786                 echo "...wl_notificationtimestamp is already nullable.\n";
 787         }
 788
 789 }
 790
 791 /**
 792  * @bug 3946
 793  */
 794 function do_page_random_update() {
 795         global $wgDatabase;
 796
 797         echo "Setting page_random to a random value on rows where it equals 0...";
 798
 799         $page = $wgDatabase->tableName( 'page' );
 800         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 801         $rows = $wgDatabase->affectedRows();
 802
 803         echo "changed $rows rows\n";
 804 }
 805
 806 function do_templatelinks_update() {
 807         global $wgDatabase, $wgLoadBalancer;
 808         $fname = 'do_templatelinks_update';
 809
 810         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 811                 echo "...templatelinks table already exists\n";
 812                 return;
 813         }
 814         echo "Creating templatelinks table...\n";
 815         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 816         echo "Populating...\n";
 817         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 818                 // Slow, replication-friendly update
 819                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 820                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 821                 $count = 0;
 822                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 823                         $count = ($count + 1) % 100;
 824                         if ( $count == 0 ) {
 825                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 826                                         wfWaitForSlaves( 10 );
 827                                 } else {
 828                                         sleep( 1 );
 829                                 }
 830                         }
 831                         $wgDatabase->insert( 'templatelinks',
 832                                 array(
 833                                         'tl_from' => $row->pl_from,
 834                                         'tl_namespace' => $row->pl_namespace,
 835                                         'tl_title' => $row->pl_title,
 836                                 ), $fname
 837                         );
 838
 839                 }
 840                 $wgDatabase->freeResult( $res );
 841         } else {
 842                 // Fast update
 843                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 844                         array(
 845                                 'tl_from' => 'pl_from',
 846                                 'tl_namespace' => 'pl_namespace',
 847                                 'tl_title' => 'pl_title'
 848                         ), array(
 849                                 'pl_namespace' => 10
 850                         ), $fname
 851                 );
 852         }
 853         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 854 }
 855
 856 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 857 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 858 function do_rc_indices_update() {
 859         global $wgDatabase;
 860         echo( "Checking for additional recent changes indices...\n" );
 861
 862         $indexes = array(
 863                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 864                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 865         );
 866
 867         foreach( $indexes as $index => $patch ) {
 868                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 869                 if( !$info ) {
 870                         echo( "...index `{$index}` not found; adding..." );
 871                         dbsource( archive( $patch ) );
 872                         echo( "done.\n" );
 873                 } else {
 874                         echo( "...index `{$index}` seems ok.\n" );
 875                 }
 876         }
 877 }
 878
 879 function index_has_field($table, $index, $field) {
 880         global $wgDatabase;
 881         echo( "Checking if $table index $index includes field $field...\n" );
 882         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 883         if( $info ) {
 884                 foreach($info as $row) {
 885                         if($row->Column_name == $field) {
 886                                 echo( "...index $index on table $table seems to be ok\n" );
 887                                 return true;
 888                         }
 889                 }
 890         }
 891         echo( "...index $index on table $table has no field $field; adding\n" );
 892         return false;
 893 }
 894
 895 function do_backlinking_indices_update() {
 896         echo( "Checking for backlinking indices...\n" );
 897         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 898                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 899                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 900         {
 901                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 902         }
 903 }
 904
 905 function do_categorylinks_indices_update() {
 906         echo( "Checking for categorylinks indices...\n" );
 907         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 908         {
 909                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 910         }
 911 }
 912
 913 function do_stats_init() {
 914         // Sometimes site_stats table is not properly populated.
 915         global $wgDatabase;
 916         echo "Checking site_stats row...";
 917         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 918         if( $row === false ) {
 919                 echo "data is missing! rebuilding...\n";
 920
 921                 global $IP;
 922                 require_once "$IP/maintenance/initStats.inc";
 923                 wfInitStats();
 924         } else {
 925                 echo "ok.\n";
 926         }
 927 }
 928
 929 function purge_cache() {
 930         global $wgDatabase;
 931         # We can't guarantee that the user will be able to use TRUNCATE,
 932         # but we know that DELETE is available to us
 933         echo( "Purging caches..." );
 934         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 935         echo( "done.\n" );
 936 }
 937
 938 function do_all_updates( $shared = false, $purge = true ) {
 939         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 940
 941         wfRunHooks('LoadExtensionSchemaUpdates');
 942
 943         $doUser = !$wgSharedDB || $shared;
 944
 945         if ($wgDBtype === 'postgres') {
 946                 do_postgres_updates();
 947                 return;
 948         }
 949
 950         # Rename tables
 951         foreach ( $wgRenamedTables as $tableRecord ) {
 952                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 953         }
 954
 955         # Add missing tables
 956         foreach ( $wgNewTables as $tableRecord ) {
 957                 add_table( $tableRecord[0], $tableRecord[1] );
 958                 flush();
 959         }
 960
 961         # Add missing fields
 962         foreach ( $wgNewFields as $fieldRecord ) {
 963                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 964                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 965                 }
 966                 flush();
 967         }
 968
 969         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
 970         # Add missing extension tables
 971         foreach ( $wgExtNewTables as $tableRecord ) {
 972                 add_table( $tableRecord[0], $tableRecord[1], true );
 973                 flush();
 974         }
 975         # Add missing extension fields
 976         foreach ( $wgExtNewFields as $fieldRecord ) {
 977                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 978                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 979                 }
 980                 flush();
 981         }
 982         # Add missing extension indexes
 983         foreach ( $wgExtNewIndexes as $fieldRecord ) {
 984                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 985                 flush();
 986         }
 987
 988         # Do schema updates which require special handling
 989         do_interwiki_update(); flush();
 990         do_index_update(); flush();
 991         do_old_links_update(); flush();
 992         do_image_name_unique_update(); flush();
 993         do_watchlist_update(); flush();
 994         if ( $doUser ) {
 995                 do_user_update(); flush();
 996         }
 997 ######  do_copy_newtalk_to_watchlist(); flush();
 998         do_logging_encoding(); flush();
 999
1000         do_schema_restructuring(); flush();
1001         do_inverse_timestamp(); flush();
1002         do_text_id(); flush();
1003         do_namespace_size(); flush();
1004
1005         do_pagelinks_update(); flush();
1006         do_templatelinks_update(); flush(); // after pagelinks
1007
1008         do_drop_img_type(); flush();
1009
1010         if ( $doUser ) {
1011                 do_user_unique_update(); flush();
1012         }
1013         do_user_groups_update(); flush();
1014
1015         do_watchlist_null(); flush();
1016
1017         //do_image_index_update(); flush();
1018
1019         do_logging_timestamp_index(); flush();
1020
1021         do_page_random_update(); flush();
1022
1023         do_rc_indices_update(); flush();
1024
1025         do_backlinking_indices_update(); flush();
1026
1027         do_categorylinks_indices_update(); flush();
1028
1029         do_restrictions_update(); flush ();
1030
1031         do_archive_user_index(); flush ();
1032
1033         do_image_user_index(); flush ();
1034
1035         do_oldimage_user_index(); flush ();
1036
1037         echo "Deleting old default messages (this may take a long time!)..."; flush();
1038         deleteDefaultMessages();
1039         echo "Done\n"; flush();
1040
1041         do_stats_init(); flush();
1042
1043         if( $purge ) {
1044                 purge_cache();
1045                 flush();
1046         }
1047 }
1048
1049 function archive($name) {
1050         global $wgDBtype, $IP;
1051         switch ($wgDBtype) {
1052         case "postgres":
1053                 return "$IP/maintenance/postgres/archives/$name";
1054         default:
1055                 return "$IP/maintenance/archives/$name";
1056         }
1057 }
1058
1059 function do_restrictions_update() {
1060         # Adding page_restrictions table, obsoleting page.page_restrictions.
1061         #  Migrating old restrictions to new table
1062         # -- Andrew Garrett, January 2007.
1063
1064         global $wgDatabase;
1065
1066         $name = 'page_restrictions';
1067         $patch = 'patch-page_restrictions.sql';
1068         $patch2 = 'patch-page_restrictions_sortkey.sql';
1069
1070         if ( $wgDatabase->tableExists( $name ) ) {
1071                 echo "...$name table already exists.\n";
1072         } else {
1073                 echo "Creating $name table...";
1074                 dbsource( archive($patch), $wgDatabase );
1075                 dbsource( archive($patch2), $wgDatabase );
1076                 echo "ok\n";
1077
1078                 echo "Migrating old restrictions to new table...";
1079
1080                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1081
1082                 $count = 0;
1083
1084                 while ($row = $wgDatabase->fetchObject($res) ) {
1085                         $count = ($count + 1) % 100;
1086
1087                         if ($count == 0) {
1088                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1089                                         wfWaitForSlaves( 10 );
1090                                 } else {
1091                                         sleep( 1 );
1092                                 }
1093                         }
1094
1095                         # Figure out what the restrictions are..
1096                         $id = $row->page_id;
1097                         $flatrestrictions = explode( ':', $row->page_restrictions );
1098
1099                         $restrictions = array ();
1100                         foreach( $flatrestrictions as $restriction ) {
1101                                 $thisrestriction = explode( '=', $restriction, 2 );
1102                                 if( count( $thisrestriction ) == 1 ) {
1103                                         // Compatibility with old protections from before
1104                                         // separate move protection was added.
1105                                         list( $level ) = $thisrestriction;
1106                                         if( $level ) {
1107                                                 $restrictions['edit'] = $level;
1108                                                 $restrictions['move'] = $level;
1109                                         }
1110                                 } else {
1111                                         list( $type, $level ) = $thisrestriction;
1112                                         if( $level ) {
1113                                                 $restrictions[$type] = $level;
1114                                         }
1115                                 }
1116
1117                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1118
1119                         }
1120
1121                         foreach( $restrictions as $type => $level ) {
1122                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1123                                                                                         'pr_type' => $type,
1124                                                                                         'pr_level' => $level,
1125                                                                                         'pr_cascade' => 0,
1126                                                                                         'pr_expiry' => 'infinity' ),
1127                                                                                         __METHOD__ );
1128                         }
1129                 }
1130                 print "ok\n";
1131         }
1132
1133 }
1134
1135 function
1136 pg_describe_table($table)
1137 {
1138 global  $wgDatabase, $wgDBmwschema;
1139         $q = <<<END
1140 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1141         WHERE pg_class.relnamespace = pg_namespace.oid
1142           AND attrelid=pg_class.oid AND attnum > 0
1143           AND relname=%s AND nspname=%s
1144 END;
1145         $res = $wgDatabase->query(sprintf($q,
1146                         $wgDatabase->addQuotes($table),
1147                         $wgDatabase->addQuotes($wgDBmwschema)));
1148         if (!$res)
1149                 return null;
1150
1151         $cols = array();
1152         while ($r = $wgDatabase->fetchRow($res)) {
1153                 $cols[] = array(
1154                                 "name" => $r[0],
1155                                 "ord" => $r[1],
1156                         );
1157         }
1158         return $cols;
1159 }
1160
1161 function
1162 pg_describe_index($idx)
1163 {
1164 global  $wgDatabase, $wgDBmwschema;
1165
1166         // first fetch the key (which is a list of columns ords) and
1167         // the table the index applies to (an oid)
1168         $q = <<<END
1169 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1170         WHERE nspname=%s
1171           AND pg_class.relnamespace = pg_namespace.oid
1172           AND relname=%s
1173           AND indexrelid=pg_class.oid
1174 END;
1175         $res = $wgDatabase->query(sprintf($q,
1176                         $wgDatabase->addQuotes($wgDBmwschema),
1177                         $wgDatabase->addQuotes($idx)));
1178         if (!$res)
1179                 return null;
1180         if (!($r = $wgDatabase->fetchRow($res))) {
1181                 $wgDatabase->freeResult($res);
1182                 return null;
1183         }
1184
1185         $indkey = $r[0];
1186         $relid = intval($r[1]);
1187         $indkeys = explode(" ", $indkey);
1188         $wgDatabase->freeResult($res);
1189
1190         $colnames = array();
1191         foreach ($indkeys as $rid) {
1192                 $query = <<<END
1193 SELECT attname FROM pg_class, pg_attribute
1194         WHERE attrelid=$relid
1195           AND attnum=%d
1196           AND attrelid=pg_class.oid
1197 END;
1198                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1199                 if (!$r2)
1200                         return null;
1201                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1202                         $wgDatabase->freeResult($r2);
1203                         return null;
1204                 }
1205                 $colnames[] = $row2[0];
1206                 $wgDatabase->freeResult($r2);
1207         }
1208
1209         return $colnames;
1210 }
1211
1212 function
1213 pg_index_exists($table, $index)
1214 {
1215 global  $wgDatabase, $wgDBmwschema;
1216         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1217                         array(  "indexname" => $index,
1218                                 "tablename" => $table,
1219                                 "schemaname" => $wgDBmwschema));
1220         return $exists === $index;
1221 }
1222
1223 function
1224 pg_fkey_deltype($fkey)
1225 {
1226 global  $wgDatabase, $wgDBmwschema;
1227         $q = <<<END
1228 SELECT confdeltype FROM pg_constraint, pg_namespace
1229         WHERE connamespace=pg_namespace.oid
1230           AND nspname=%s
1231           AND conname=%s;
1232 END;
1233         $r = $wgDatabase->query(sprintf($q,
1234                 $wgDatabase->addQuotes($wgDBmwschema),
1235                 $wgDatabase->addQuotes($fkey)));
1236         if (!($row = $wgDatabase->fetchRow($r)))
1237                 return null;
1238         return $row[0];
1239 }
1240
1241 function
1242 pg_rule_def($table, $rule)
1243 {
1244 global  $wgDatabase, $wgDBmwschema;
1245         $q = <<<END
1246 SELECT definition FROM pg_rules
1247         WHERE schemaname = %s
1248           AND tablename = %s
1249           AND rulename = %s
1250 END;
1251         $r = $wgDatabase->query(sprintf($q,
1252                         $wgDatabase->addQuotes($wgDBmwschema),
1253                         $wgDatabase->addQuotes($table),
1254                         $wgDatabase->addQuotes($rule)));
1255         $row = $wgDatabase->fetchRow($r);
1256         if (!$row)
1257                 return null;
1258         $d = $row[0];
1259         $wgDatabase->freeResult($r);
1260         return $d;
1261 }
1262
1263 function do_postgres_updates() {
1264         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1265
1266         ## Gather version numbers in case we need them
1267         $version = $wgDatabase->getServerVersion(); ## long string
1268         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1269
1270         $wgShowExceptionDetails = 1;
1271
1272         # Just in case their LocalSettings.php does not have this:
1273         if ( !isset( $wgDBmwschema ))
1274                 $wgDBmwschema = 'mediawiki';
1275
1276         # Verify that this user is configured correctly
1277         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1278         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1279         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1280         $conf = array();
1281         foreach( explode( '*', $config ) as $c ) {
1282                 list( $x,$y ) = explode( '=', $c );
1283                 $conf[$x] = $y;
1284         }
1285         $newpath = array();
1286         if( $wgDBmwschema === 'mediawiki' ) {
1287                 if (!array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1288                         echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1289                         $newpath[$wgDBmwschema] = 1;
1290                 }
1291         }
1292         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1293                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1294                 $newpath[$wgDBts2schema] = 1;
1295         }
1296         $searchpath = implode( ',', array_keys( $newpath ) );
1297         if( strlen( $searchpath ) ) {
1298                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1299                 $wgDatabase->doQuery( "SET search_path = $searchpath" );
1300         }
1301         else {
1302                 $path = $conf['search_path'];
1303                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1304         }
1305         $goodconf = array(
1306                 'client_min_messages' => 'error',
1307                 'DateStyle'           => 'ISO, YMD',
1308                 'TimeZone'            => 'GMT'
1309         );
1310         foreach( array_keys( $goodconf ) AS $key ) {
1311                 $value = $goodconf[$key];
1312                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1313                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1314                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1315                         $wgDatabase->doQuery( "SET $key = '$value'" );
1316                 }
1317                 else {
1318                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1319                 }
1320         }
1321
1322         $newsequences = array(
1323                 "log_log_id_seq",
1324                 "pr_id_val",
1325         );
1326
1327         $newtables = array(
1328                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1329                 array("mwuser",            "patch-mwuser.sql"),
1330                 array("pagecontent",       "patch-pagecontent.sql"),
1331                 array("querycachetwo",     "patch-querycachetwo.sql"),
1332                 array("page_props",        "patch-page_props.sql"),
1333                 array("page_restrictions", "patch-page_restrictions.sql"),
1334                 array("profiling",         "patch-profiling.sql"),
1335                 array("protected_titles",  "patch-protected_titles.sql"),
1336                 array("redirect",          "patch-redirect.sql"),
1337         );
1338
1339         $newcols = array(
1340                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1341                 array("archive",       "ar_len",               "INTEGER"),
1342                 array("archive",       "ar_page_id",           "INTEGER"),
1343                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1344                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1345                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1346                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1347                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1348                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1349                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1350                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1351                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1352                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1353                 array("logging",       "log_params",           "TEXT"),
1354                 array("mwuser",        "user_editcount",       "INTEGER"),
1355                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1356                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1357                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1358                 array("oldimage",      "oi_media_type",        "TEXT"),
1359                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1360                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1361                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1362                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1363                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1364                 array("recentchanges", "rc_log_action",        "TEXT"),
1365         array("recentchanges", "rc_log_type",          "TEXT"),
1366         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1367                 array("recentchanges", "rc_new_len",           "INTEGER"),
1368                 array("recentchanges", "rc_old_len",           "INTEGER"),
1369                 array("recentchanges", "rc_params",            "TEXT"),
1370                 array("revision",      "rev_len",              "INTEGER"),
1371                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1372         );
1373
1374
1375         # table, column, desired type, USING clause if needed (with new default if needed)
1376         $typechanges = array(
1377                 array("archive",      "ar_deleted",      "smallint", ""),
1378                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1379                 array("filearchive",  "fa_deleted",      "smallint", ""),
1380                 array("filearchive",  "fa_height",       "integer",  ""),
1381                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1382                 array("filearchive",  "fa_size",         "integer",  ""),
1383                 array("filearchive",  "fa_width",        "integer",  ""),
1384                 array("filearchive",  "fa_storage_group","text",     ""),
1385                 array("filearchive",  "fa_storage_key",  "text",     ""),
1386                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1387                 array("image",        "img_size",        "integer",  ""),
1388                 array("image",        "img_width",       "integer",  ""),
1389                 array("image",        "img_height",      "integer",  ""),
1390                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1391                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1392                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1393                 array("ipblocks",     "ipb_anon_only",        "smallint", "ipb_anon_only::smallint DEFAULT 0"),
1394                 array("ipblocks",     "ipb_create_account",        "smallint", "ipb_create_account::smallint DEFAULT 1"),
1395                 array("ipblocks",     "ipb_enable_autoblock",        "smallint", "ipb_enable_autoblock::smallint DEFAULT 1"),
1396                 array("ipblocks",     "ipb_block_email",        "smallint", "ipb_block_email::smallint DEFAULT 0"),
1397                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1398                 array("ipblocks",     "ipb_deleted",     "smallint", ""),
1399                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1400                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1401                 array("mwuser",       "user_token",      "text",     ""),
1402                 array("mwuser",       "user_email_token","text",     ""),
1403                 array("objectcache",  "keyname",         "text",     ""),
1404                 array("oldimage",     "oi_height",       "integer",  ""),
1405                 array("oldimage",     "oi_size",         "integer",  ""),
1406                 array("oldimage",     "oi_width",        "integer",  ""),
1407                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1408                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1409                 array("querycache",   "qc_value",        "integer",  ""),
1410                 array("querycachetwo","qcc_value",       "integer",  ""),
1411                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1412                 array("recentchanges","rc_deleted",      "smallint", ""),
1413                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1414                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1415                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1416                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1417                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1418                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1419                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1420         );
1421
1422         $newindexes = array(
1423                 array("archive",       "archive_user_text", "(ar_user_text)"),
1424                 array("image",         "img_sha1",          "(img_sha1)"),
1425                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1426                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1427         );
1428
1429         $newrules = array(
1430         );
1431
1432         foreach ($newsequences as $ns) {
1433                 if ($wgDatabase->sequenceExists($ns)) {
1434                         echo "... sequence \"$ns\" already exists\n";
1435                         continue;
1436                 }
1437
1438                 echo "Creating sequence \"$ns\"\n";
1439                 $wgDatabase->query("CREATE SEQUENCE $ns");
1440         }
1441
1442         foreach ($newtables as $nt) {
1443                 if ($wgDatabase->tableExists($nt[0])) {
1444                         echo "... table \"$nt[0]\" already exists\n";
1445                         continue;
1446                 }
1447
1448                 echo "Creating table \"$nt[0]\"\n";
1449                 dbsource(archive($nt[1]));
1450         }
1451
1452         ## Needed before newcols
1453         if ($wgDatabase->tableExists("archive2")) {
1454                 echo "Converting \"archive2\" back to normal archive table\n";
1455                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1456                         echo "Dropping rule \"archive_insert\"\n";
1457                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1458                 }
1459                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1460                         echo "Dropping rule \"archive_delete\"\n";
1461                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1462                 }
1463                 dbsource(archive("patch-remove-archive2.sql"));
1464         }
1465         else
1466                 echo "... obsolete table \"archive2\" does not exist\n";
1467
1468         foreach ($newcols as $nc) {
1469                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1470                 if (!is_null($fi)) {
1471                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1472                         continue;
1473                 }
1474
1475                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1476                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1477         }
1478
1479         foreach ($typechanges as $tc) {
1480                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1481                 if (is_null($fi)) {
1482                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1483                         exit(1);
1484                 }
1485
1486                 if ($fi->type() === $tc[2])
1487                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1488                 else {
1489                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1490                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1491                         if (strlen($tc[3])) {
1492                                 $default = array();
1493                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1494                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1495                                         $wgDatabase->query($sqldef);
1496                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1497                                 }
1498                                 $sql .= " USING $tc[3]";
1499                         }
1500                         $sql .= ";\nCOMMIT;\n";
1501                         $wgDatabase->query($sql);
1502                 }
1503         }
1504
1505         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1506                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1507                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1508                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1509                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1510         }
1511         else
1512                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1513
1514
1515         foreach ($newindexes as $ni) {
1516                 if (pg_index_exists($ni[0], $ni[1])) {
1517                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1518                         continue;
1519                 }
1520                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1521                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1522         }
1523
1524         foreach ($newrules as $nr) {
1525                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1526                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1527                         continue;
1528                 }
1529                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1530                 dbsource(archive($nr[2]));
1531         }
1532
1533         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1534                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1535                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1536                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1537                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1538         }
1539         else
1540                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1541
1542         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1543                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1544                 dbsource(archive('patch-page_deleted.sql'));
1545         }
1546         else
1547                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1548
1549         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1550         if (!$fi->nullable()) {
1551                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1552                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1553         }
1554         else
1555                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1556
1557         $pu = pg_describe_index("pagelink_unique");
1558         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1559                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1560                 $wgDatabase->query("DROP INDEX pagelink_unique");
1561                 $pu = null;
1562         }
1563         else
1564                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1565
1566         if (is_null($pu)) {
1567                 echo "Creating index \"pagelink_unique index\"\n";
1568                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1569         }
1570         else
1571                 echo "... index \"pagelink_unique_index\" aready exists\n";
1572
1573         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1574                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1575         }
1576         else {
1577                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1578                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1579         }
1580
1581         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1582         # Add missing extension tables
1583         foreach ( $wgExtNewTables as $nt ) {
1584                 if ($wgDatabase->tableExists($nt[0])) {
1585                         echo "... table \"$nt[0]\" already exists\n";
1586                         continue;
1587                 }
1588                 echo "Creating table \"$nt[0]\"\n";
1589                 dbsource($nt[1]);
1590         }
1591         # Add missing extension fields
1592         foreach ( $wgExtPGNewFields as $nc ) {
1593                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1594                 if (!is_null($fi)) {
1595                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1596                         continue;
1597                 }
1598                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1599                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1600         }
1601         # Add missing extension indexes
1602         foreach ( $wgExtNewIndexes as $ni ) {
1603                 if (pg_index_exists($ni[0], $ni[1])) {
1604                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1605                         continue;
1606                 }
1607                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1608                 dbsource($ni[2]);
1609         }
1610
1611         # Tweak the page_title tsearch2 trigger to filter out slashes
1612         # This is create or replace, so harmless to call if not needed
1613         dbsource(archive('patch-ts2pagetitle.sql'));
1614
1615         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1616         ## in case they have the old 'default' versions
1617         if ( $numver >= 8.3 )
1618                 dbsource(archive('patch-tsearch2funcs.sql'));
1619
1620         return;
1621 }