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 /**
  20  * List of update functions to call on a MySQL-based MediaWiki installation,
  21  * in sequence. First item is function name, rest are parameters to pass.
  22  */
  23 $wgMysqlUpdates = array(
  24         // 1.2
  25         // update_passwords obsolete
  26         array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27         array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28         array( 'do_interwiki_update' ),
  29         array( 'do_index_update' ),
  30         // do_linkscc_update obsolete
  31         array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32         array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34         // 1.3
  35         array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36         array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37         array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38         array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39         // do_linkscc_1_3_update obsolete
  40         array( 'do_old_links_update' ),
  41         array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43         // 1.4
  44         array( 'do_image_name_unique_update' ),
  45         array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46         array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47         array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48         // do_user_rights_update obsolete
  49         array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50         // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51         // user_groups, patch-userlevels.sql obsolete
  52         // do_group_update() obsolete
  53         array( 'do_watchlist_update' ),
  54         array( 'do_user_update' ),
  55         // do_copy_newtalk_to_watchlist obsolete
  56
  57         // 1.5
  58         array( 'do_schema_restructuring' ),
  59         array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60         array( 'do_logging_encoding' ),
  61         array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62         array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63         array( 'do_inverse_timestamp' ),
  64         array( 'do_text_id' ),
  65         array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66         array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67         array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68         array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69         array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70         array( 'do_namespace_size' ),
  71         array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72         array( 'do_pagelinks_update' ),
  73         array( 'do_drop_img_type' ),
  74         array( 'do_user_unique_update' ),
  75         array( 'do_user_groups_update' ),
  76         array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77         array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78         array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79         array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80         array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82         // 1.6
  83         array( 'do_watchlist_null' ),
  84         // do_image_index_update obsolete
  85         array( 'do_logging_timestamp_index' ),
  86         array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87         array( 'do_page_random_update' ),
  88         array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89         array( 'do_templatelinks_update' ),
  90         array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91         array( 'add_table', 'job',                                 'patch-job.sql' ),
  92         array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93         array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94         array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95         array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96         array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97         array( 'do_rc_indices_update' ),
  98
  99         // 1.9
 100         array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101         array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102         array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103         array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104         array( 'do_backlinking_indices_update' ),
 105         array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106         array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108         // 1.10
 109         array( 'do_restrictions_update' ),
 110         array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111         array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112         array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113         array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114         array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115         array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116         array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117         array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118         array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119         array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121         // 1.11
 122         array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123         array( 'do_categorylinks_indices_update' ),
 124         array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125         array( 'do_archive_user_index' ),
 126         array( 'do_image_user_index' ),
 127         array( 'do_oldimage_user_index' ),
 128         array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129         array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130         array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 131
 132         // 1.13
 133         array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 134         array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 135 );
 136
 137
 138 # For extensions only, should be populated via hooks
 139 # $wgDBtype should be checked to specifiy the proper file
 140 $wgExtNewTables = array(); // table, dir
 141 $wgExtNewFields = array(); // table, column, dir
 142 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 143 $wgExtNewIndexes = array(); // table, index, dir
 144
 145 function rename_table( $from, $to, $patch ) {
 146         global $wgDatabase;
 147         if ( $wgDatabase->tableExists( $from ) ) {
 148                 if ( $wgDatabase->tableExists( $to ) ) {
 149                         echo "...can't move table $from to $to, $to already exists.\n";
 150                 } else {
 151                         echo "Moving table $from to $to...";
 152                         dbsource( archive($patch), $wgDatabase );
 153                         echo "ok\n";
 154                 }
 155         } else {
 156                 // Source table does not exist
 157                 // Renames are done before creations, so this is typical for a new installation
 158                 // Ignore silently
 159         }
 160 }
 161
 162 function add_table( $name, $patch, $fullpath=false ) {
 163         global $wgDatabase;
 164         if ( $wgDatabase->tableExists( $name ) ) {
 165                 echo "...$name table already exists.\n";
 166         } else {
 167                 echo "Creating $name table...";
 168                 if( $fullpath ) {
 169                         dbsource( $patch, $wgDatabase );
 170                 } else {
 171                         dbsource( archive($patch), $wgDatabase );
 172                 }
 173                 echo "ok\n";
 174         }
 175 }
 176
 177 function add_field( $table, $field, $patch, $fullpath=false ) {
 178         global $wgDatabase;
 179         if ( !$wgDatabase->tableExists( $table ) ) {
 180                 echo "...$table table does not exist, skipping new field patch\n";
 181         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 182                 echo "...have $field field in $table table.\n";
 183         } else {
 184                 echo "Adding $field field to table $table...";
 185                 if( $fullpath ) {
 186                         dbsource( $patch, $wgDatabase );
 187                 } else {
 188                         dbsource( archive($patch), $wgDatabase );
 189                 }
 190                 echo "ok\n";
 191         }
 192 }
 193
 194 function add_index( $table, $index, $patch, $fullpath=false ) {
 195         global $wgDatabase;
 196         if( $wgDatabase->indexExists( $table, $index ) ) {
 197                 echo "...$index key already set on $table table.\n";
 198         } else {
 199                 echo "Adding $index key to table $table... ";
 200                 if( $fullpath ) {
 201                         dbsource( $patch, $wgDatabase );
 202                 } else {
 203                         dbsource( archive($patch), $wgDatabase );
 204                 }
 205                 echo "ok\n";
 206         }
 207 }
 208
 209 function do_revision_updates() {
 210         global $wgSoftwareRevision;
 211         if ( $wgSoftwareRevision < 1001 ) {
 212                 update_passwords();
 213         }
 214 }
 215
 216 function update_passwords() {
 217         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 218
 219         global $wgDatabase;
 220         $fname = "Update script: update_passwords()";
 221         print "\nIt appears that you need to update the user passwords in your\n" .
 222           "database. If you have already done this (if you've run this update\n" .
 223           "script once before, for example), doing so again will make all your\n" .
 224           "user accounts inaccessible, so be sure you only do this once.\n" .
 225           "Update user passwords? (yes/no)";
 226
 227         $resp = readconsole();
 228     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 229
 230         $sql = "SELECT user_id,user_password FROM user";
 231         $source = $wgDatabase->query( $sql, $fname );
 232
 233         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 234                 $id = $row->user_id;
 235                 $oldpass = $row->user_password;
 236                 $newpass = md5( "{$id}-{$oldpass}" );
 237
 238                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 239                   "WHERE user_id={$id}";
 240                 $wgDatabase->query( $sql, $fname );
 241         }
 242 }
 243
 244 function do_interwiki_update() {
 245         # Check that interwiki table exists; if it doesn't source it
 246         global $wgDatabase, $IP;
 247         if( $wgDatabase->tableExists( "interwiki" ) ) {
 248                 echo "...already have interwiki table\n";
 249                 return true;
 250         }
 251         echo "Creating interwiki table: ";
 252         dbsource( archive("patch-interwiki.sql") );
 253         echo "ok\n";
 254         echo "Adding default interwiki definitions: ";
 255         dbsource( "$IP/maintenance/interwiki.sql" );
 256         echo "ok\n";
 257 }
 258
 259 function do_index_update() {
 260         # Check that proper indexes are in place
 261         global $wgDatabase;
 262         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 263         if( !$meta->isMultipleKey() ) {
 264                 echo "Updating indexes to 20031107: ";
 265                 dbsource( archive("patch-indexes.sql") );
 266                 echo "ok\n";
 267                 return true;
 268         }
 269         echo "...indexes seem up to 20031107 standards\n";
 270         return false;
 271 }
 272
 273 function do_image_index_update() {
 274         global $wgDatabase;
 275
 276         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 277         if( !$meta->isMultipleKey() ) {
 278                 echo "Updating indexes to 20050912: ";
 279                 dbsource( archive("patch-mimesearch-indexes.sql") );
 280                 echo "ok\n";
 281                 return true;
 282         }
 283         echo "...indexes seem up to 20050912 standards\n";
 284         return false;
 285 }
 286
 287 function do_image_name_unique_update() {
 288         global $wgDatabase;
 289         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 290                 echo "...image primary key already set.\n";
 291         } else {
 292                 echo "Making img_name the primary key... ";
 293                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 294                 echo "ok\n";
 295         }
 296 }
 297
 298 function do_logging_timestamp_index() {
 299         global $wgDatabase;
 300         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 301                 echo "...timestamp key on logging already exists.\n";
 302         } else {
 303                 echo "Adding timestamp key on logging table... ";
 304                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 305                 echo "ok\n";
 306         }
 307 }
 308
 309 function do_archive_user_index() {
 310         global $wgDatabase;
 311         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 312                 echo "...usertext,timestamp key on archive already exists.\n";
 313         } else {
 314                 echo "Adding usertext,timestamp key on archive table... ";
 315                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 316                 echo "ok\n";
 317         }
 318 }
 319
 320 function do_image_user_index() {
 321         global $wgDatabase;
 322         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 323                 echo "...usertext,timestamp key on image already exists.\n";
 324         } else {
 325                 echo "Adding usertext,timestamp key on image table... ";
 326                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 327                 echo "ok\n";
 328         }
 329 }
 330
 331 function do_oldimage_user_index() {
 332         global $wgDatabase;
 333         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 334                 echo "...usertext,timestamp key on oldimage already exists.\n";
 335         } else {
 336                 echo "Adding usertext,timestamp key on oldimage table... ";
 337                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 338                 echo "ok\n";
 339         }
 340 }
 341
 342 function do_watchlist_update() {
 343         global $wgDatabase;
 344         $fname = 'do_watchlist_update';
 345         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 346                 echo "The watchlist table is already set up for email notification.\n";
 347         } else {
 348                 echo "Adding wl_notificationtimestamp field for email notification management.";
 349                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 350                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 351                 echo "ok\n";
 352         }
 353         # Check if we need to add talk page rows to the watchlist
 354         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 355         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 356         if ( $talk != $nontalk ) {
 357                 echo "Adding missing watchlist talk page rows... ";
 358                 flush();
 359
 360                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 361                         array(
 362                                 'wl_user' => 'wl_user',
 363                                 'wl_namespace' => 'wl_namespace | 1',
 364                                 'wl_title' => 'wl_title',
 365                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 366                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 367                 echo "ok\n";
 368         } else {
 369                 echo "...watchlist talk page rows already present\n";
 370         }
 371 }
 372
 373 function do_copy_newtalk_to_watchlist() {
 374         global $wgDatabase;
 375         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 376
 377         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 378                 $wgDatabase->tableName( 'user_newtalk' ) );
 379         $num_newtalks=$wgDatabase->numRows($res);
 380         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 381
 382         $user = new User();
 383         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 384                 $wluser = $wgDatabase->fetchObject( $res );
 385                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 386                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 387                                 $wgDatabase->replace( 'watchlist',
 388                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 389                                           array('wl_user'                       => 0,
 390                                                 'wl_namespace'                  => NS_USER_TALK,
 391                                                 'wl_title'                      => $wluser->user_ip,
 392                                                 'wl_notificationtimestamp'      => '19700101000000'
 393                                                 ), 'updaters.inc::do_watchlist_update2'
 394                                         );
 395                         }
 396                 } else { # normal users ... have user_ids
 397                         $user->setID($wluser->user_id);
 398                         $wgDatabase->replace( 'watchlist',
 399                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 400                                   array('wl_user'                       => $user->getID(),
 401                                         'wl_namespace'                  => NS_USER_TALK,
 402                                         'wl_title'                      => $user->getName(),
 403                                         'wl_notificationtimestamp'      => '19700101000000'
 404                                         ), 'updaters.inc::do_watchlist_update3'
 405                                 );
 406                 }
 407         }
 408         echo "Done.\n";
 409 }
 410
 411
 412 function do_user_update() {
 413         global $wgDatabase;
 414         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 415                 echo "User table contains old email authentication field. Dropping... ";
 416                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 417                 echo "ok\n";
 418         } else {
 419                 echo "...user table does not contain old email authentication field.\n";
 420         }
 421 }
 422
 423 /**
 424  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 425  * which causes a collation mismatch error on joins in MySQL 4.1.
 426  */
 427 function do_logging_encoding() {
 428         global $wgDatabase, $wgDBtype;
 429         if ($wgDBtype != 'mysql')
 430                 return;
 431         $logging = $wgDatabase->tableName( 'logging' );
 432         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 433         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 434         $wgDatabase->freeResult( $res );
 435
 436         if( in_array( 'binary', $flags ) ) {
 437                 echo "Logging table has correct title encoding.\n";
 438         } else {
 439                 echo "Fixing title encoding on logging table... ";
 440                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 441                 echo "ok\n";
 442         }
 443 }
 444
 445 function do_schema_restructuring() {
 446         global $wgDatabase;
 447         $fname="do_schema_restructuring";
 448         if ( $wgDatabase->tableExists( 'page' ) ) {
 449                 echo "...page table already exists.\n";
 450         } else {
 451                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 452                 echo wfTimestamp( TS_DB );
 453                 echo "......checking for duplicate entries.\n"; flush();
 454
 455                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 456
 457                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 458                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 459
 460                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 461                         echo wfTimestamp( TS_DB );
 462                         echo "......<b>Found duplicate entries</b>\n";
 463                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 464                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 465                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 466                                         $duplicate[$row->cur_namespace] = array();
 467                                 }
 468                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 469                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 470                         }
 471                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 472                         $firstCond = true;
 473                         foreach ( $duplicate as $ns => $titles ) {
 474                                 if ( $firstCond ) {
 475                                         $firstCond = false;
 476                                 } else {
 477                                         $sql .= ' OR ';
 478                                 }
 479                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 480                                 $first = true;
 481                                 foreach ( $titles as $t ) {
 482                                         if ( $first ) {
 483                                                 $sql .= $wgDatabase->addQuotes( $t );
 484                                                 $first = false;
 485                                         } else {
 486                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 487                                         }
 488                                 }
 489                                 $sql .= ") ) \n";
 490                         }
 491                         # By sorting descending, the most recent entry will be the first in the list.
 492                         # All following entries will be deleted by the next while-loop.
 493                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 494
 495                         $rows = $wgDatabase->query( $sql, $fname );
 496
 497                         $prev_title = $prev_namespace = false;
 498                         $deleteId = array();
 499
 500                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 501                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 502                                         $deleteId[] = $row->cur_id;
 503                                 }
 504                                 $prev_title     = $row->cur_title;
 505                                 $prev_namespace = $row->cur_namespace;
 506                         }
 507                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 508                         $rows = $wgDatabase->query( $sql, $fname );
 509                         echo wfTimestamp( TS_DB );
 510                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 511                 }
 512
 513
 514                 echo wfTimestamp( TS_DB );
 515                 echo "......Creating tables.\n";
 516                 $wgDatabase->query("CREATE TABLE $page (
 517                         page_id int(8) unsigned NOT NULL auto_increment,
 518                         page_namespace int NOT NULL,
 519                         page_title varchar(255) binary NOT NULL,
 520                         page_restrictions tinyblob NOT NULL,
 521                         page_counter bigint(20) unsigned NOT NULL default '0',
 522                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 523                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 524                         page_random real unsigned NOT NULL,
 525                         page_touched char(14) binary NOT NULL default '',
 526                         page_latest int(8) unsigned NOT NULL,
 527                         page_len int(8) unsigned NOT NULL,
 528
 529                         PRIMARY KEY page_id (page_id),
 530                         UNIQUE INDEX name_title (page_namespace,page_title),
 531                         INDEX (page_random),
 532                         INDEX (page_len)
 533                         ) TYPE=InnoDB", $fname );
 534                 $wgDatabase->query("CREATE TABLE $revision (
 535                         rev_id int(8) unsigned NOT NULL auto_increment,
 536                         rev_page int(8) unsigned NOT NULL,
 537                         rev_comment tinyblob NOT NULL,
 538                         rev_user int(5) unsigned NOT NULL default '0',
 539                         rev_user_text varchar(255) binary NOT NULL default '',
 540                         rev_timestamp char(14) binary NOT NULL default '',
 541                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 542                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 543                         rev_len int(8) unsigned,
 544                         rev_parent_id int(8) unsigned default NULL,
 545                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 546                         UNIQUE INDEX rev_id (rev_id),
 547                         INDEX rev_timestamp (rev_timestamp),
 548                         INDEX page_timestamp (rev_page,rev_timestamp),
 549                         INDEX user_timestamp (rev_user,rev_timestamp),
 550                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 551                         ) TYPE=InnoDB", $fname );
 552
 553                 echo wfTimestamp( TS_DB );
 554                 echo "......Locking tables.\n";
 555                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 556
 557                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 558                 echo wfTimestamp( TS_DB );
 559                 echo "......maxold is {$maxold}\n";
 560
 561                 echo wfTimestamp( TS_DB );
 562                 global $wgLegacySchemaConversion;
 563                 if( $wgLegacySchemaConversion ) {
 564                         // Create HistoryBlobCurStub entries.
 565                         // Text will be pulled from the leftover 'cur' table at runtime.
 566                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 567                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 568                         $cur_flags = "'object'";
 569                 } else {
 570                         // Copy all cur text in immediately: this may take longer but avoids
 571                         // having to keep an extra table around.
 572                         echo "......Moving text from cur.\n";
 573                         $cur_text = 'cur_text';
 574                         $cur_flags = "''";
 575                 }
 576                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 577                                 old_timestamp, old_minor_edit, old_flags)
 578                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 579                         FROM $cur", $fname );
 580
 581                 echo wfTimestamp( TS_DB );
 582                 echo "......Setting up revision table.\n";
 583                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 584                                 rev_minor_edit)
 585                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 586                                 old_timestamp, old_minor_edit
 587                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 588
 589                 echo wfTimestamp( TS_DB );
 590                 echo "......Setting up page table.\n";
 591                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 592                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 593                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 594                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 595                         FROM $cur,$revision
 596                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 597
 598                 echo wfTimestamp( TS_DB );
 599                 echo "......Unlocking tables.\n";
 600                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 601
 602                 echo wfTimestamp( TS_DB );
 603                 echo "......Renaming old.\n";
 604                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 605
 606                 echo wfTimestamp( TS_DB );
 607                 echo "...done.\n";
 608         }
 609 }
 610
 611 function do_inverse_timestamp() {
 612         global $wgDatabase;
 613         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 614                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 615                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 616                 echo "ok\n";
 617         } else {
 618                 echo "revision timestamp indexes already up to 2005-03-13\n";
 619         }
 620 }
 621
 622 function do_text_id() {
 623         global $wgDatabase;
 624         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 625                 echo "...rev_text_id already in place.\n";
 626         } else {
 627                 echo "Adding rev_text_id field... ";
 628                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 629                 echo "ok\n";
 630         }
 631 }
 632
 633 function do_namespace_size() {
 634         $tables = array(
 635                 'page'          => 'page',
 636                 'archive'       => 'ar',
 637                 'recentchanges' => 'rc',
 638                 'watchlist'     => 'wl',
 639                 'querycache'    => 'qc',
 640                 'logging'       => 'log',
 641         );
 642         foreach( $tables as $table => $prefix ) {
 643                 do_namespace_size_on( $table, $prefix );
 644                 flush();
 645         }
 646 }
 647
 648 function do_namespace_size_on( $table, $prefix ) {
 649         global $wgDatabase, $wgDBtype;
 650         if ($wgDBtype != 'mysql')
 651                 return;
 652         $field = $prefix . '_namespace';
 653
 654         $tablename = $wgDatabase->tableName( $table );
 655         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 656         $info = $wgDatabase->fetchObject( $result );
 657         $wgDatabase->freeResult( $result );
 658
 659         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 660                 echo "...$field is already a full int ($info->Type).\n";
 661         } else {
 662                 echo "Promoting $field from $info->Type to int... ";
 663
 664                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 665                 $wgDatabase->query( $sql );
 666
 667                 echo "ok\n";
 668         }
 669 }
 670
 671 function do_pagelinks_update() {
 672         global $wgDatabase;
 673         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 674                 echo "...already have pagelinks table.\n";
 675         } else {
 676                 echo "Converting links and brokenlinks tables to pagelinks... ";
 677                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 678                 echo "ok\n";
 679                 flush();
 680
 681                 global $wgCanonicalNamespaceNames;
 682                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 683                         if( $ns != 0 ) {
 684                                 do_pagelinks_namespace( $ns );
 685                         }
 686                 }
 687         }
 688 }
 689
 690 function do_pagelinks_namespace( $namespace ) {
 691         global $wgDatabase, $wgContLang;
 692
 693         $ns = intval( $namespace );
 694         echo "Cleaning up broken links for namespace $ns... ";
 695
 696         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 697         $name = $wgContLang->getNsText( $ns );
 698         $prefix = $wgDatabase->strencode( $name );
 699         $likeprefix = str_replace( '_', '\\_', $prefix);
 700
 701         $sql = "UPDATE $pagelinks
 702                    SET pl_namespace=$ns,
 703                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 704                  WHERE pl_namespace=0
 705                    AND pl_title LIKE '$likeprefix:%'";
 706
 707         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 708         echo "ok\n";
 709 }
 710
 711 function do_drop_img_type() {
 712         global $wgDatabase;
 713
 714         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 715                 echo "Dropping unused img_type field in image table... ";
 716                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 717                 echo "ok\n";
 718         } else {
 719                 echo "No img_type field in image table; Good.\n";
 720         }
 721 }
 722
 723 function do_old_links_update() {
 724         global $wgDatabase;
 725         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 726                 echo "Already have pagelinks; skipping old links table updates.\n";
 727         } else {
 728                 convertLinks(); flush();
 729         }
 730 }
 731
 732 function do_user_unique_update() {
 733         global $wgDatabase;
 734         $duper = new UserDupes( $wgDatabase );
 735         if( $duper->hasUniqueIndex() ) {
 736                 echo "Already have unique user_name index.\n";
 737         } else {
 738                 if( !$duper->clearDupes() ) {
 739                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 740                 }
 741                 echo "Adding unique index on user_name... ";
 742                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 743                 echo "ok\n";
 744         }
 745 }
 746
 747 function do_user_groups_update() {
 748         $fname = 'do_user_groups_update';
 749         global $wgDatabase;
 750
 751         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 752                 echo "...user_groups table already exists.\n";
 753                 return do_user_groups_reformat();
 754         }
 755
 756         echo "Adding user_groups table... ";
 757         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 758         echo "ok\n";
 759
 760         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 761                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 762                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 763                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 764                         echo "ok\n";
 765                 } else {
 766                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 767                         echo "*** You may need to manually configure some sysops by manipulating\n";
 768                         echo "*** the user_groups table.\n";
 769                         return;
 770                 }
 771         }
 772
 773         echo "Converting user_rights table to user_groups... ";
 774         $result = $wgDatabase->select( 'user_rights',
 775                 array( 'ur_user', 'ur_rights' ),
 776                 array( "ur_rights != ''" ),
 777                 $fname );
 778
 779         while( $row = $wgDatabase->fetchObject( $result ) ) {
 780                 $groups = array_unique(
 781                         array_map( 'trim',
 782                                 explode( ',', $row->ur_rights ) ) );
 783
 784                 foreach( $groups as $group ) {
 785                         $wgDatabase->insert( 'user_groups',
 786                                 array(
 787                                         'ug_user'  => $row->ur_user,
 788                                         'ug_group' => $group ),
 789                                 $fname );
 790                 }
 791         }
 792         $wgDatabase->freeResult( $result );
 793         echo "ok\n";
 794 }
 795
 796 function do_user_groups_reformat() {
 797         # Check for bogus formats from previous 1.5 alpha code.
 798         global $wgDatabase;
 799         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 800
 801         if( $info->type() == 'int' ) {
 802                 $oldug = $wgDatabase->tableName( 'user_groups' );
 803                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 804                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 805                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 806                 echo "ok\n";
 807
 808                 echo "Re-adding fresh user_groups table... ";
 809                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 810                 echo "ok\n";
 811
 812                 echo "***\n";
 813                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 814                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 815                 echo "***\n";
 816         } else {
 817                 echo "...user_groups is in current format.\n";
 818         }
 819
 820 }
 821
 822 function do_watchlist_null() {
 823         # Make sure wl_notificationtimestamp can be NULL,
 824         # and update old broken items.
 825         global $wgDatabase;
 826         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 827
 828         if( !$info->nullable() ) {
 829                 echo "Making wl_notificationtimestamp nullable... ";
 830                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 831                 echo "ok\n";
 832         } else {
 833                 echo "...wl_notificationtimestamp is already nullable.\n";
 834         }
 835
 836 }
 837
 838 /**
 839  * @bug 3946
 840  */
 841 function do_page_random_update() {
 842         global $wgDatabase;
 843
 844         echo "Setting page_random to a random value on rows where it equals 0...";
 845
 846         $page = $wgDatabase->tableName( 'page' );
 847         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 848         $rows = $wgDatabase->affectedRows();
 849
 850         echo "changed $rows rows\n";
 851 }
 852
 853 function do_templatelinks_update() {
 854         global $wgDatabase, $wgLoadBalancer;
 855         $fname = 'do_templatelinks_update';
 856
 857         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 858                 echo "...templatelinks table already exists\n";
 859                 return;
 860         }
 861         echo "Creating templatelinks table...\n";
 862         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 863         echo "Populating...\n";
 864         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 865                 // Slow, replication-friendly update
 866                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 867                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 868                 $count = 0;
 869                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 870                         $count = ($count + 1) % 100;
 871                         if ( $count == 0 ) {
 872                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 873                                         wfWaitForSlaves( 10 );
 874                                 } else {
 875                                         sleep( 1 );
 876                                 }
 877                         }
 878                         $wgDatabase->insert( 'templatelinks',
 879                                 array(
 880                                         'tl_from' => $row->pl_from,
 881                                         'tl_namespace' => $row->pl_namespace,
 882                                         'tl_title' => $row->pl_title,
 883                                 ), $fname
 884                         );
 885
 886                 }
 887                 $wgDatabase->freeResult( $res );
 888         } else {
 889                 // Fast update
 890                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 891                         array(
 892                                 'tl_from' => 'pl_from',
 893                                 'tl_namespace' => 'pl_namespace',
 894                                 'tl_title' => 'pl_title'
 895                         ), array(
 896                                 'pl_namespace' => 10
 897                         ), $fname
 898                 );
 899         }
 900         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 901 }
 902
 903 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 904 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 905 function do_rc_indices_update() {
 906         global $wgDatabase;
 907         echo( "Checking for additional recent changes indices...\n" );
 908
 909         $indexes = array(
 910                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 911                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 912         );
 913
 914         foreach( $indexes as $index => $patch ) {
 915                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 916                 if( !$info ) {
 917                         echo( "...index `{$index}` not found; adding..." );
 918                         dbsource( archive( $patch ) );
 919                         echo( "done.\n" );
 920                 } else {
 921                         echo( "...index `{$index}` seems ok.\n" );
 922                 }
 923         }
 924 }
 925
 926 function index_has_field($table, $index, $field) {
 927         global $wgDatabase;
 928         echo( "Checking if $table index $index includes field $field...\n" );
 929         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 930         if( $info ) {
 931                 foreach($info as $row) {
 932                         if($row->Column_name == $field) {
 933                                 echo( "...index $index on table $table seems to be ok\n" );
 934                                 return true;
 935                         }
 936                 }
 937         }
 938         echo( "...index $index on table $table has no field $field; adding\n" );
 939         return false;
 940 }
 941
 942 function do_backlinking_indices_update() {
 943         echo( "Checking for backlinking indices...\n" );
 944         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 945                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 946                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 947         {
 948                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 949         }
 950 }
 951
 952 function do_categorylinks_indices_update() {
 953         echo( "Checking for categorylinks indices...\n" );
 954         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 955         {
 956                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 957         }
 958 }
 959
 960 function do_stats_init() {
 961         // Sometimes site_stats table is not properly populated.
 962         global $wgDatabase;
 963         echo "Checking site_stats row...";
 964         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 965         if( $row === false ) {
 966                 echo "data is missing! rebuilding...\n";
 967
 968                 global $IP;
 969                 require_once "$IP/maintenance/initStats.inc";
 970                 wfInitStats();
 971         } else {
 972                 echo "ok.\n";
 973         }
 974 }
 975
 976 function purge_cache() {
 977         global $wgDatabase;
 978         # We can't guarantee that the user will be able to use TRUNCATE,
 979         # but we know that DELETE is available to us
 980         echo( "Purging caches..." );
 981         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 982         echo( "done.\n" );
 983 }
 984
 985 function do_all_updates( $shared = false, $purge = true ) {
 986         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 987
 988         wfRunHooks('LoadExtensionSchemaUpdates');
 989
 990         $doUser = !$wgSharedDB || $shared;
 991
 992         if ($wgDBtype === 'postgres') {
 993                 do_postgres_updates();
 994                 return;
 995         }
 996
 997         # Run core updates in sequence...
 998         global $wgMysqlUpdates;
 999         foreach( $wgMysqlUpdates as $params ) {
1000                 $func = array_shift( $params );
1001                 call_user_func_array( $func, $params );
1002                 flush();
1003         }
1004
1005         /// @fixme clean up this mess too!
1006         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1007         # Add missing extension tables
1008         foreach ( $wgExtNewTables as $tableRecord ) {
1009                 add_table( $tableRecord[0], $tableRecord[1], true );
1010                 flush();
1011         }
1012         # Add missing extension fields
1013         foreach ( $wgExtNewFields as $fieldRecord ) {
1014                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1015                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1016                 }
1017                 flush();
1018         }
1019         # Add missing extension indexes
1020         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1021                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1022                 flush();
1023         }
1024
1025
1026         echo "Deleting old default messages (this may take a long time!)..."; flush();
1027         deleteDefaultMessages();
1028         echo "Done\n"; flush();
1029
1030         do_stats_init(); flush();
1031
1032         if( $purge ) {
1033                 purge_cache();
1034                 flush();
1035         }
1036 }
1037
1038 function archive($name) {
1039         global $wgDBtype, $IP;
1040         switch ($wgDBtype) {
1041         case "postgres":
1042                 return "$IP/maintenance/postgres/archives/$name";
1043         default:
1044                 return "$IP/maintenance/archives/$name";
1045         }
1046 }
1047
1048 function do_restrictions_update() {
1049         # Adding page_restrictions table, obsoleting page.page_restrictions.
1050         #  Migrating old restrictions to new table
1051         # -- Andrew Garrett, January 2007.
1052
1053         global $wgDatabase;
1054
1055         $name = 'page_restrictions';
1056         $patch = 'patch-page_restrictions.sql';
1057         $patch2 = 'patch-page_restrictions_sortkey.sql';
1058
1059         if ( $wgDatabase->tableExists( $name ) ) {
1060                 echo "...$name table already exists.\n";
1061         } else {
1062                 echo "Creating $name table...";
1063                 dbsource( archive($patch), $wgDatabase );
1064                 dbsource( archive($patch2), $wgDatabase );
1065                 echo "ok\n";
1066
1067                 echo "Migrating old restrictions to new table...";
1068
1069                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1070
1071                 $count = 0;
1072
1073                 while ($row = $wgDatabase->fetchObject($res) ) {
1074                         $count = ($count + 1) % 100;
1075
1076                         if ($count == 0) {
1077                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1078                                         wfWaitForSlaves( 10 );
1079                                 } else {
1080                                         sleep( 1 );
1081                                 }
1082                         }
1083
1084                         # Figure out what the restrictions are..
1085                         $id = $row->page_id;
1086                         $flatrestrictions = explode( ':', $row->page_restrictions );
1087
1088                         $restrictions = array ();
1089                         foreach( $flatrestrictions as $restriction ) {
1090                                 $thisrestriction = explode( '=', $restriction, 2 );
1091                                 if( count( $thisrestriction ) == 1 ) {
1092                                         // Compatibility with old protections from before
1093                                         // separate move protection was added.
1094                                         list( $level ) = $thisrestriction;
1095                                         if( $level ) {
1096                                                 $restrictions['edit'] = $level;
1097                                                 $restrictions['move'] = $level;
1098                                         }
1099                                 } else {
1100                                         list( $type, $level ) = $thisrestriction;
1101                                         if( $level ) {
1102                                                 $restrictions[$type] = $level;
1103                                         }
1104                                 }
1105
1106                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1107
1108                         }
1109
1110                         foreach( $restrictions as $type => $level ) {
1111                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1112                                                                                         'pr_type' => $type,
1113                                                                                         'pr_level' => $level,
1114                                                                                         'pr_cascade' => 0,
1115                                                                                         'pr_expiry' => 'infinity' ),
1116                                                                                         __METHOD__ );
1117                         }
1118                 }
1119                 print "ok\n";
1120         }
1121
1122 }
1123
1124 function
1125 pg_describe_table($table)
1126 {
1127 global  $wgDatabase, $wgDBmwschema;
1128         $q = <<<END
1129 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1130         WHERE pg_class.relnamespace = pg_namespace.oid
1131           AND attrelid=pg_class.oid AND attnum > 0
1132           AND relname=%s AND nspname=%s
1133 END;
1134         $res = $wgDatabase->query(sprintf($q,
1135                         $wgDatabase->addQuotes($table),
1136                         $wgDatabase->addQuotes($wgDBmwschema)));
1137         if (!$res)
1138                 return null;
1139
1140         $cols = array();
1141         while ($r = $wgDatabase->fetchRow($res)) {
1142                 $cols[] = array(
1143                                 "name" => $r[0],
1144                                 "ord" => $r[1],
1145                         );
1146         }
1147         return $cols;
1148 }
1149
1150 function
1151 pg_describe_index($idx)
1152 {
1153 global  $wgDatabase, $wgDBmwschema;
1154
1155         // first fetch the key (which is a list of columns ords) and
1156         // the table the index applies to (an oid)
1157         $q = <<<END
1158 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1159         WHERE nspname=%s
1160           AND pg_class.relnamespace = pg_namespace.oid
1161           AND relname=%s
1162           AND indexrelid=pg_class.oid
1163 END;
1164         $res = $wgDatabase->query(sprintf($q,
1165                         $wgDatabase->addQuotes($wgDBmwschema),
1166                         $wgDatabase->addQuotes($idx)));
1167         if (!$res)
1168                 return null;
1169         if (!($r = $wgDatabase->fetchRow($res))) {
1170                 $wgDatabase->freeResult($res);
1171                 return null;
1172         }
1173
1174         $indkey = $r[0];
1175         $relid = intval($r[1]);
1176         $indkeys = explode(" ", $indkey);
1177         $wgDatabase->freeResult($res);
1178
1179         $colnames = array();
1180         foreach ($indkeys as $rid) {
1181                 $query = <<<END
1182 SELECT attname FROM pg_class, pg_attribute
1183         WHERE attrelid=$relid
1184           AND attnum=%d
1185           AND attrelid=pg_class.oid
1186 END;
1187                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1188                 if (!$r2)
1189                         return null;
1190                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1191                         $wgDatabase->freeResult($r2);
1192                         return null;
1193                 }
1194                 $colnames[] = $row2[0];
1195                 $wgDatabase->freeResult($r2);
1196         }
1197
1198         return $colnames;
1199 }
1200
1201 function
1202 pg_index_exists($table, $index)
1203 {
1204 global  $wgDatabase, $wgDBmwschema;
1205         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1206                         array(  "indexname" => $index,
1207                                 "tablename" => $table,
1208                                 "schemaname" => $wgDBmwschema));
1209         return $exists === $index;
1210 }
1211
1212 function
1213 pg_fkey_deltype($fkey)
1214 {
1215 global  $wgDatabase, $wgDBmwschema;
1216         $q = <<<END
1217 SELECT confdeltype FROM pg_constraint, pg_namespace
1218         WHERE connamespace=pg_namespace.oid
1219           AND nspname=%s
1220           AND conname=%s;
1221 END;
1222         $r = $wgDatabase->query(sprintf($q,
1223                 $wgDatabase->addQuotes($wgDBmwschema),
1224                 $wgDatabase->addQuotes($fkey)));
1225         if (!($row = $wgDatabase->fetchRow($r)))
1226                 return null;
1227         return $row[0];
1228 }
1229
1230 function
1231 pg_rule_def($table, $rule)
1232 {
1233 global  $wgDatabase, $wgDBmwschema;
1234         $q = <<<END
1235 SELECT definition FROM pg_rules
1236         WHERE schemaname = %s
1237           AND tablename = %s
1238           AND rulename = %s
1239 END;
1240         $r = $wgDatabase->query(sprintf($q,
1241                         $wgDatabase->addQuotes($wgDBmwschema),
1242                         $wgDatabase->addQuotes($table),
1243                         $wgDatabase->addQuotes($rule)));
1244         $row = $wgDatabase->fetchRow($r);
1245         if (!$row)
1246                 return null;
1247         $d = $row[0];
1248         $wgDatabase->freeResult($r);
1249         return $d;
1250 }
1251
1252 function do_postgres_updates() {
1253         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1254
1255         ## Gather version numbers in case we need them
1256         $version = $wgDatabase->getServerVersion(); ## long string
1257         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1258
1259         $wgShowExceptionDetails = 1;
1260
1261         # Just in case their LocalSettings.php does not have this:
1262         if ( !isset( $wgDBmwschema ))
1263                 $wgDBmwschema = 'mediawiki';
1264
1265         # Verify that this user is configured correctly
1266         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1267         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1268         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1269         $conf = array();
1270         foreach( explode( '*', $config ) as $c ) {
1271                 list( $x,$y ) = explode( '=', $c );
1272                 $conf[$x] = $y;
1273         }
1274         $newpath = array();
1275         if( $wgDBmwschema === 'mediawiki' ) {
1276                 if (!array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1277                         echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1278                         $newpath[$wgDBmwschema] = 1;
1279                 }
1280         }
1281         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1282                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1283                 $newpath[$wgDBts2schema] = 1;
1284         }
1285         $searchpath = implode( ',', array_keys( $newpath ) );
1286         if( strlen( $searchpath ) ) {
1287                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1288                 $wgDatabase->doQuery( "SET search_path = $searchpath" );
1289         }
1290         else {
1291                 $path = $conf['search_path'];
1292                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1293         }
1294         $goodconf = array(
1295                 'client_min_messages' => 'error',
1296                 'DateStyle'           => 'ISO, YMD',
1297                 'TimeZone'            => 'GMT'
1298         );
1299         foreach( array_keys( $goodconf ) AS $key ) {
1300                 $value = $goodconf[$key];
1301                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1302                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1303                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1304                         $wgDatabase->doQuery( "SET $key = '$value'" );
1305                 }
1306                 else {
1307                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1308                 }
1309         }
1310
1311         $newsequences = array(
1312                 "log_log_id_seq",
1313                 "pr_id_val",
1314         );
1315
1316         $newtables = array(
1317                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1318                 array("mwuser",            "patch-mwuser.sql"),
1319                 array("pagecontent",       "patch-pagecontent.sql"),
1320                 array("querycachetwo",     "patch-querycachetwo.sql"),
1321                 array("page_props",        "patch-page_props.sql"),
1322                 array("page_restrictions", "patch-page_restrictions.sql"),
1323                 array("profiling",         "patch-profiling.sql"),
1324                 array("protected_titles",  "patch-protected_titles.sql"),
1325                 array("redirect",          "patch-redirect.sql"),
1326         );
1327
1328         $newcols = array(
1329                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1330                 array("archive",       "ar_len",               "INTEGER"),
1331                 array("archive",       "ar_page_id",           "INTEGER"),
1332                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1333                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1334                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1335                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1336                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1337                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1338                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1339                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1340                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1341                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1342                 array("logging",       "log_params",           "TEXT"),
1343                 array("mwuser",        "user_editcount",       "INTEGER"),
1344                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1345                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1346                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1347                 array("oldimage",      "oi_media_type",        "TEXT"),
1348                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1349                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1350                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1351                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1352                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1353                 array("recentchanges", "rc_log_action",        "TEXT"),
1354         array("recentchanges", "rc_log_type",          "TEXT"),
1355         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1356                 array("recentchanges", "rc_new_len",           "INTEGER"),
1357                 array("recentchanges", "rc_old_len",           "INTEGER"),
1358                 array("recentchanges", "rc_params",            "TEXT"),
1359                 array("revision",      "rev_len",              "INTEGER"),
1360                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1361         );
1362
1363
1364         # table, column, desired type, USING clause if needed (with new default if needed)
1365         $typechanges = array(
1366                 array("archive",      "ar_deleted",      "smallint", ""),
1367                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1368                 array("filearchive",  "fa_deleted",      "smallint", ""),
1369                 array("filearchive",  "fa_height",       "integer",  ""),
1370                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1371                 array("filearchive",  "fa_size",         "integer",  ""),
1372                 array("filearchive",  "fa_width",        "integer",  ""),
1373                 array("filearchive",  "fa_storage_group","text",     ""),
1374                 array("filearchive",  "fa_storage_key",  "text",     ""),
1375                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1376                 array("image",        "img_size",        "integer",  ""),
1377                 array("image",        "img_width",       "integer",  ""),
1378                 array("image",        "img_height",      "integer",  ""),
1379                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1380                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1381                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1382                 array("ipblocks",     "ipb_anon_only",        "smallint", "ipb_anon_only::smallint DEFAULT 0"),
1383                 array("ipblocks",     "ipb_create_account",        "smallint", "ipb_create_account::smallint DEFAULT 1"),
1384                 array("ipblocks",     "ipb_enable_autoblock",        "smallint", "ipb_enable_autoblock::smallint DEFAULT 1"),
1385                 array("ipblocks",     "ipb_block_email",        "smallint", "ipb_block_email::smallint DEFAULT 0"),
1386                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1387                 array("ipblocks",     "ipb_deleted",     "smallint", ""),
1388                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1389                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1390                 array("mwuser",       "user_token",      "text",     ""),
1391                 array("mwuser",       "user_email_token","text",     ""),
1392                 array("objectcache",  "keyname",         "text",     ""),
1393                 array("oldimage",     "oi_height",       "integer",  ""),
1394                 array("oldimage",     "oi_size",         "integer",  ""),
1395                 array("oldimage",     "oi_width",        "integer",  ""),
1396                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1397                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1398                 array("querycache",   "qc_value",        "integer",  ""),
1399                 array("querycachetwo","qcc_value",       "integer",  ""),
1400                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1401                 array("recentchanges","rc_deleted",      "smallint", ""),
1402                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1403                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1404                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1405                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1406                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1407                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1408                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1409         );
1410
1411         $newindexes = array(
1412                 array("archive",       "archive_user_text", "(ar_user_text)"),
1413                 array("image",         "img_sha1",          "(img_sha1)"),
1414                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1415                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1416         );
1417
1418         $newrules = array(
1419         );
1420
1421         foreach ($newsequences as $ns) {
1422                 if ($wgDatabase->sequenceExists($ns)) {
1423                         echo "... sequence \"$ns\" already exists\n";
1424                         continue;
1425                 }
1426
1427                 echo "Creating sequence \"$ns\"\n";
1428                 $wgDatabase->query("CREATE SEQUENCE $ns");
1429         }
1430
1431         foreach ($newtables as $nt) {
1432                 if ($wgDatabase->tableExists($nt[0])) {
1433                         echo "... table \"$nt[0]\" already exists\n";
1434                         continue;
1435                 }
1436
1437                 echo "Creating table \"$nt[0]\"\n";
1438                 dbsource(archive($nt[1]));
1439         }
1440
1441         ## Needed before newcols
1442         if ($wgDatabase->tableExists("archive2")) {
1443                 echo "Converting \"archive2\" back to normal archive table\n";
1444                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1445                         echo "Dropping rule \"archive_insert\"\n";
1446                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1447                 }
1448                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1449                         echo "Dropping rule \"archive_delete\"\n";
1450                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1451                 }
1452                 dbsource(archive("patch-remove-archive2.sql"));
1453         }
1454         else
1455                 echo "... obsolete table \"archive2\" does not exist\n";
1456
1457         foreach ($newcols as $nc) {
1458                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1459                 if (!is_null($fi)) {
1460                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1461                         continue;
1462                 }
1463
1464                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1465                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1466         }
1467
1468         foreach ($typechanges as $tc) {
1469                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1470                 if (is_null($fi)) {
1471                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1472                         exit(1);
1473                 }
1474
1475                 if ($fi->type() === $tc[2])
1476                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1477                 else {
1478                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1479                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1480                         if (strlen($tc[3])) {
1481                                 $default = array();
1482                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1483                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1484                                         $wgDatabase->query($sqldef);
1485                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1486                                 }
1487                                 $sql .= " USING $tc[3]";
1488                         }
1489                         $sql .= ";\nCOMMIT;\n";
1490                         $wgDatabase->query($sql);
1491                 }
1492         }
1493
1494         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1495                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1496                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1497                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1498                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1499         }
1500         else
1501                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1502
1503
1504         foreach ($newindexes as $ni) {
1505                 if (pg_index_exists($ni[0], $ni[1])) {
1506                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1507                         continue;
1508                 }
1509                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1510                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1511         }
1512
1513         foreach ($newrules as $nr) {
1514                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1515                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1516                         continue;
1517                 }
1518                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1519                 dbsource(archive($nr[2]));
1520         }
1521
1522         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1523                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1524                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1525                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1526                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1527         }
1528         else
1529                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1530
1531         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1532                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1533                 dbsource(archive('patch-page_deleted.sql'));
1534         }
1535         else
1536                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1537
1538         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1539         if (!$fi->nullable()) {
1540                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1541                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1542         }
1543         else
1544                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1545
1546         $pu = pg_describe_index("pagelink_unique");
1547         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1548                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1549                 $wgDatabase->query("DROP INDEX pagelink_unique");
1550                 $pu = null;
1551         }
1552         else
1553                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1554
1555         if (is_null($pu)) {
1556                 echo "Creating index \"pagelink_unique index\"\n";
1557                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1558         }
1559         else
1560                 echo "... index \"pagelink_unique_index\" aready exists\n";
1561
1562         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1563                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1564         }
1565         else {
1566                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1567                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1568         }
1569
1570         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1571         # Add missing extension tables
1572         foreach ( $wgExtNewTables as $nt ) {
1573                 if ($wgDatabase->tableExists($nt[0])) {
1574                         echo "... table \"$nt[0]\" already exists\n";
1575                         continue;
1576                 }
1577                 echo "Creating table \"$nt[0]\"\n";
1578                 dbsource($nt[1]);
1579         }
1580         # Add missing extension fields
1581         foreach ( $wgExtPGNewFields as $nc ) {
1582                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1583                 if (!is_null($fi)) {
1584                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1585                         continue;
1586                 }
1587                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1588                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1589         }
1590         # Add missing extension indexes
1591         foreach ( $wgExtNewIndexes as $ni ) {
1592                 if (pg_index_exists($ni[0], $ni[1])) {
1593                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1594                         continue;
1595                 }
1596                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1597                 dbsource($ni[2]);
1598         }
1599
1600         # Tweak the page_title tsearch2 trigger to filter out slashes
1601         # This is create or replace, so harmless to call if not needed
1602         dbsource(archive('patch-ts2pagetitle.sql'));
1603
1604         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1605         ## in case they have the old 'default' versions
1606         if ( $numver >= 8.3 )
1607                 dbsource(archive('patch-tsearch2funcs.sql'));
1608
1609         return;
1610 }