maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @addtogroup Maintenance
   4  */
   5
   6  /** */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         echo "This file is not a valid entry point\n";
  10         exit( 1 );
  11 }
  12
  13 require_once 'convertLinks.inc';
  14 require_once 'userDupes.inc';
  15 require_once 'deleteDefaultMessages.php';
  16 # Extension updates
  17 require_once( "$IP/includes/Hooks.php" );
  18
  19 $wgRenamedTables = array(
  20 #           from             to                  patch file
  21 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  22 );
  23
  24 $wgNewTables = array(
  25 #            table          patch file (in maintenance/archives)
  26         array( 'hitcounter',       'patch-hitcounter.sql' ),
  27         array( 'querycache',       'patch-querycache.sql' ),
  28         array( 'objectcache',      'patch-objectcache.sql' ),
  29         array( 'categorylinks',    'patch-categorylinks.sql' ),
  30         array( 'logging',          'patch-logging.sql' ),
  31         array( 'user_newtalk',     'patch-usernewtalk2.sql' ),
  32         array( 'transcache',       'patch-transcache.sql' ),
  33         array( 'trackbacks',       'patch-trackbacks.sql' ),
  34         array( 'externallinks',    'patch-externallinks.sql' ),
  35         array( 'job',              'patch-job.sql' ),
  36         array( 'langlinks',        'patch-langlinks.sql' ),
  37         array( 'querycache_info',  'patch-querycacheinfo.sql' ),
  38         array( 'filearchive',      'patch-filearchive.sql' ),
  39         array( 'querycachetwo',    'patch-querycachetwo.sql' ),
  40         array( 'redirect',         'patch-redirect.sql' ),
  41         array( 'protected_titles', 'patch-protected_titles.sql' ),
  42 );
  43
  44 $wgNewFields = array(
  45 #           table            field             patch file (in maintenance/archives)
  46         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  47         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  48         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  49         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  50         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  51         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  52         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  53         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  54         array( 'user',          'user_token',       'patch-user_token.sql' ),
  55         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  56         array( 'user',          'user_registration','patch-user_registration.sql' ),
  57         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  58         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  59         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  60         array( 'page',          'page_len',         'patch-page_len.sql' ),
  61         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  62         array( 'image',         'img_width',        'patch-img_width.sql' ),
  63         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  64         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  65         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  66         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  67         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  68         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  69         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  70         array( 'ipblocks',              'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  71         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  72         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  73         array( 'recentchanges', 'rc_deleted',           'patch-rc_deleted.sql' ),
  74         array( 'logging',               'log_id',                       'patch-log_id.sql' ),
  75         array( 'logging',               'log_deleted',          'patch-log_deleted.sql' ),
  76         array( 'archive',               'ar_deleted',           'patch-ar_deleted.sql' ),
  77         array( 'ipblocks',              'ipb_deleted',          'patch-ipb_deleted.sql' ),
  78         array( 'filearchive',   'fa_deleted',           'patch-fa_deleted.sql' ),
  79         array( 'revision',          'rev_len',          'patch-rev_len.sql' ),
  80         array( 'archive',           'ar_len',           'patch-ar_len.sql' ),
  81         array( 'revision',          'rev_parent_id',    'patch-rev_parent_id.sql' ),
  82         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  83         array( 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
  84         array( 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
  85         array( 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
  86         array( 'image',         'img_sha1',         'patch-img_sha1.sql' ),
  87         array( 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
  88 );
  89
  90 # For extensions only, should be populated via hooks
  91 # $wgDBtype should be checked to specifiy the proper file
  92 $wgExtNewTables = array(); // table, dir
  93 $wgExtNewFields = array(); // table, column, dir
  94 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
  95 $wgExtNewIndexes = array(); // table, index, dir
  96
  97 function rename_table( $from, $to, $patch ) {
  98         global $wgDatabase;
  99         if ( $wgDatabase->tableExists( $from ) ) {
 100                 if ( $wgDatabase->tableExists( $to ) ) {
 101                         echo "...can't move table $from to $to, $to already exists.\n";
 102                 } else {
 103                         echo "Moving table $from to $to...";
 104                         dbsource( archive($patch), $wgDatabase );
 105                         echo "ok\n";
 106                 }
 107         } else {
 108                 // Source table does not exist
 109                 // Renames are done before creations, so this is typical for a new installation
 110                 // Ignore silently
 111         }
 112 }
 113
 114 function add_table( $name, $patch, $fullpath=false ) {
 115         global $wgDatabase;
 116         if ( $wgDatabase->tableExists( $name ) ) {
 117                 echo "...$name table already exists.\n";
 118         } else {
 119                 echo "Creating $name table...";
 120                 if( $fullpath ) {
 121                         dbsource( $patch, $wgDatabase );
 122                 } else {
 123                         dbsource( archive($patch), $wgDatabase );
 124                 }
 125                 echo "ok\n";
 126         }
 127 }
 128
 129 function add_field( $table, $field, $patch, $fullpath=false ) {
 130         global $wgDatabase;
 131         if ( !$wgDatabase->tableExists( $table ) ) {
 132                 echo "...$table table does not exist, skipping new field patch\n";
 133         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 134                 echo "...have $field field in $table table.\n";
 135         } else {
 136                 echo "Adding $field field to table $table...";
 137                 if( $fullpath ) {
 138                         dbsource( $patch, $wgDatabase );
 139                 } else {
 140                         dbsource( archive($patch), $wgDatabase );
 141                 }
 142                 echo "ok\n";
 143         }
 144 }
 145
 146 function add_index( $table, $index, $patch, $fullpath=false ) {
 147         global $wgDatabase;
 148         if( $wgDatabase->indexExists( $table, $index ) ) {
 149                 echo "...$index key already set on $table table.\n";
 150         } else {
 151                 echo "Adding $index key to table $table... ";
 152                 if( $fullpath ) {
 153                         dbsource( $patch, $wgDatabase );
 154                 } else {
 155                         dbsource( archive($patch), $wgDatabase );
 156                 }
 157                 echo "ok\n";
 158         }
 159 }
 160
 161 function do_revision_updates() {
 162         global $wgSoftwareRevision;
 163         if ( $wgSoftwareRevision < 1001 ) {
 164                 update_passwords();
 165         }
 166 }
 167
 168 function update_passwords() {
 169         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 170
 171         global $wgDatabase;
 172         $fname = "Update script: update_passwords()";
 173         print "\nIt appears that you need to update the user passwords in your\n" .
 174           "database. If you have already done this (if you've run this update\n" .
 175           "script once before, for example), doing so again will make all your\n" .
 176           "user accounts inaccessible, so be sure you only do this once.\n" .
 177           "Update user passwords? (yes/no)";
 178
 179         $resp = readconsole();
 180     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 181
 182         $sql = "SELECT user_id,user_password FROM user";
 183         $source = $wgDatabase->query( $sql, $fname );
 184
 185         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 186                 $id = $row->user_id;
 187                 $oldpass = $row->user_password;
 188                 $newpass = md5( "{$id}-{$oldpass}" );
 189
 190                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 191                   "WHERE user_id={$id}";
 192                 $wgDatabase->query( $sql, $fname );
 193         }
 194 }
 195
 196 function do_interwiki_update() {
 197         # Check that interwiki table exists; if it doesn't source it
 198         global $wgDatabase, $IP;
 199         if( $wgDatabase->tableExists( "interwiki" ) ) {
 200                 echo "...already have interwiki table\n";
 201                 return true;
 202         }
 203         echo "Creating interwiki table: ";
 204         dbsource( archive("patch-interwiki.sql") );
 205         echo "ok\n";
 206         echo "Adding default interwiki definitions: ";
 207         dbsource( "$IP/maintenance/interwiki.sql" );
 208         echo "ok\n";
 209 }
 210
 211 function do_index_update() {
 212         # Check that proper indexes are in place
 213         global $wgDatabase;
 214         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 215         if( !$meta->isMultipleKey() ) {
 216                 echo "Updating indexes to 20031107: ";
 217                 dbsource( archive("patch-indexes.sql") );
 218                 echo "ok\n";
 219                 return true;
 220         }
 221         echo "...indexes seem up to 20031107 standards\n";
 222         return false;
 223 }
 224
 225 function do_image_index_update() {
 226         global $wgDatabase;
 227
 228         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 229         if( !$meta->isMultipleKey() ) {
 230                 echo "Updating indexes to 20050912: ";
 231                 dbsource( archive("patch-mimesearch-indexes.sql") );
 232                 echo "ok\n";
 233                 return true;
 234         }
 235         echo "...indexes seem up to 20050912 standards\n";
 236         return false;
 237 }
 238
 239 function do_image_name_unique_update() {
 240         global $wgDatabase;
 241         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 242                 echo "...image primary key already set.\n";
 243         } else {
 244                 echo "Making img_name the primary key... ";
 245                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 246                 echo "ok\n";
 247         }
 248 }
 249
 250 function do_logging_timestamp_index() {
 251         global $wgDatabase;
 252         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 253                 echo "...timestamp key on logging already exists.\n";
 254         } else {
 255                 echo "Adding timestamp key on logging table... ";
 256                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 257                 echo "ok\n";
 258         }
 259 }
 260
 261 function do_archive_user_index() {
 262         global $wgDatabase;
 263         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 264                 echo "...usertext,timestamp key on archive already exists.\n";
 265         } else {
 266                 echo "Adding usertext,timestamp key on archive table... ";
 267                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 268                 echo "ok\n";
 269         }
 270 }
 271
 272 function do_image_user_index() {
 273         global $wgDatabase;
 274         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 275                 echo "...usertext,timestamp key on image already exists.\n";
 276         } else {
 277                 echo "Adding usertext,timestamp key on image table... ";
 278                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 279                 echo "ok\n";
 280         }
 281 }
 282
 283 function do_oldimage_user_index() {
 284         global $wgDatabase;
 285         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 286                 echo "...usertext,timestamp key on oldimage already exists.\n";
 287         } else {
 288                 echo "Adding usertext,timestamp key on oldimage table... ";
 289                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 290                 echo "ok\n";
 291         }
 292 }
 293
 294 function do_watchlist_update() {
 295         global $wgDatabase;
 296         $fname = 'do_watchlist_update';
 297         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 298                 echo "The watchlist table is already set up for email notification.\n";
 299         } else {
 300                 echo "Adding wl_notificationtimestamp field for email notification management.";
 301                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 302                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 303                 echo "ok\n";
 304         }
 305         # Check if we need to add talk page rows to the watchlist
 306         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 307         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 308         if ( $talk != $nontalk ) {
 309                 echo "Adding missing watchlist talk page rows... ";
 310                 flush();
 311
 312                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 313                         array(
 314                                 'wl_user' => 'wl_user',
 315                                 'wl_namespace' => 'wl_namespace | 1',
 316                                 'wl_title' => 'wl_title',
 317                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 318                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 319                 echo "ok\n";
 320         } else {
 321                 echo "...watchlist talk page rows already present\n";
 322         }
 323 }
 324
 325 function do_copy_newtalk_to_watchlist() {
 326         global $wgDatabase;
 327         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 328
 329         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 330                 $wgDatabase->tableName( 'user_newtalk' ) );
 331         $num_newtalks=$wgDatabase->numRows($res);
 332         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 333
 334         $user = new User();
 335         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 336                 $wluser = $wgDatabase->fetchObject( $res );
 337                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 338                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 339                                 $wgDatabase->replace( 'watchlist',
 340                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 341                                           array('wl_user'                       => 0,
 342                                                 'wl_namespace'                  => NS_USER_TALK,
 343                                                 'wl_title'                      => $wluser->user_ip,
 344                                                 'wl_notificationtimestamp'      => '19700101000000'
 345                                                 ), 'updaters.inc::do_watchlist_update2'
 346                                         );
 347                         }
 348                 } else { # normal users ... have user_ids
 349                         $user->setID($wluser->user_id);
 350                         $wgDatabase->replace( 'watchlist',
 351                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 352                                   array('wl_user'                       => $user->getID(),
 353                                         'wl_namespace'                  => NS_USER_TALK,
 354                                         'wl_title'                      => $user->getName(),
 355                                         'wl_notificationtimestamp'      => '19700101000000'
 356                                         ), 'updaters.inc::do_watchlist_update3'
 357                                 );
 358                 }
 359         }
 360         echo "Done.\n";
 361 }
 362
 363
 364 function do_user_update() {
 365         global $wgDatabase;
 366         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 367                 echo "User table contains old email authentication field. Dropping... ";
 368                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 369                 echo "ok\n";
 370         } else {
 371                 echo "...user table does not contain old email authentication field.\n";
 372         }
 373 }
 374
 375 /**
 376  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 377  * which causes a collation mismatch error on joins in MySQL 4.1.
 378  */
 379 function do_logging_encoding() {
 380         global $wgDatabase, $wgDBtype;
 381         if ($wgDBtype != 'mysql')
 382                 return;
 383         $logging = $wgDatabase->tableName( 'logging' );
 384         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 385         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 386         $wgDatabase->freeResult( $res );
 387
 388         if( in_array( 'binary', $flags ) ) {
 389                 echo "Logging table has correct title encoding.\n";
 390         } else {
 391                 echo "Fixing title encoding on logging table... ";
 392                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 393                 echo "ok\n";
 394         }
 395 }
 396
 397 function do_schema_restructuring() {
 398         global $wgDatabase;
 399         $fname="do_schema_restructuring";
 400         if ( $wgDatabase->tableExists( 'page' ) ) {
 401                 echo "...page table already exists.\n";
 402         } else {
 403                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 404                 echo wfTimestamp( TS_DB );
 405                 echo "......checking for duplicate entries.\n"; flush();
 406
 407                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 408
 409                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 410                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 411
 412                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 413                         echo wfTimestamp( TS_DB );
 414                         echo "......<b>Found duplicate entries</b>\n";
 415                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 416                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 417                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 418                                         $duplicate[$row->cur_namespace] = array();
 419                                 }
 420                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 421                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 422                         }
 423                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 424                         $firstCond = true;
 425                         foreach ( $duplicate as $ns => $titles ) {
 426                                 if ( $firstCond ) {
 427                                         $firstCond = false;
 428                                 } else {
 429                                         $sql .= ' OR ';
 430                                 }
 431                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 432                                 $first = true;
 433                                 foreach ( $titles as $t ) {
 434                                         if ( $first ) {
 435                                                 $sql .= $wgDatabase->addQuotes( $t );
 436                                                 $first = false;
 437                                         } else {
 438                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 439                                         }
 440                                 }
 441                                 $sql .= ") ) \n";
 442                         }
 443                         # By sorting descending, the most recent entry will be the first in the list.
 444                         # All following entries will be deleted by the next while-loop.
 445                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 446
 447                         $rows = $wgDatabase->query( $sql, $fname );
 448
 449                         $prev_title = $prev_namespace = false;
 450                         $deleteId = array();
 451
 452                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 453                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 454                                         $deleteId[] = $row->cur_id;
 455                                 }
 456                                 $prev_title     = $row->cur_title;
 457                                 $prev_namespace = $row->cur_namespace;
 458                         }
 459                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 460                         $rows = $wgDatabase->query( $sql, $fname );
 461                         echo wfTimestamp( TS_DB );
 462                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 463                 }
 464
 465
 466                 echo wfTimestamp( TS_DB );
 467                 echo "......Creating tables.\n";
 468                 $wgDatabase->query("CREATE TABLE $page (
 469                         page_id int(8) unsigned NOT NULL auto_increment,
 470                         page_namespace int NOT NULL,
 471                         page_title varchar(255) binary NOT NULL,
 472                         page_restrictions tinyblob NOT NULL,
 473                         page_counter bigint(20) unsigned NOT NULL default '0',
 474                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 475                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 476                         page_random real unsigned NOT NULL,
 477                         page_touched char(14) binary NOT NULL default '',
 478                         page_latest int(8) unsigned NOT NULL,
 479                         page_len int(8) unsigned NOT NULL,
 480
 481                         PRIMARY KEY page_id (page_id),
 482                         UNIQUE INDEX name_title (page_namespace,page_title),
 483                         INDEX (page_random),
 484                         INDEX (page_len)
 485                         ) TYPE=InnoDB", $fname );
 486                 $wgDatabase->query("CREATE TABLE $revision (
 487                         rev_id int(8) unsigned NOT NULL auto_increment,
 488                         rev_page int(8) unsigned NOT NULL,
 489                         rev_comment tinyblob NOT NULL,
 490                         rev_user int(5) unsigned NOT NULL default '0',
 491                         rev_user_text varchar(255) binary NOT NULL default '',
 492                         rev_timestamp char(14) binary NOT NULL default '',
 493                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 494                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 495                         rev_len int(8) unsigned,
 496                         rev_parent_id int(8) unsigned default NULL,
 497                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 498                         UNIQUE INDEX rev_id (rev_id),
 499                         INDEX rev_timestamp (rev_timestamp),
 500                         INDEX page_timestamp (rev_page,rev_timestamp),
 501                         INDEX user_timestamp (rev_user,rev_timestamp),
 502                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 503                         ) TYPE=InnoDB", $fname );
 504
 505                 echo wfTimestamp( TS_DB );
 506                 echo "......Locking tables.\n";
 507                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 508
 509                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 510                 echo wfTimestamp( TS_DB );
 511                 echo "......maxold is {$maxold}\n";
 512
 513                 echo wfTimestamp( TS_DB );
 514                 global $wgLegacySchemaConversion;
 515                 if( $wgLegacySchemaConversion ) {
 516                         // Create HistoryBlobCurStub entries.
 517                         // Text will be pulled from the leftover 'cur' table at runtime.
 518                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 519                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 520                         $cur_flags = "'object'";
 521                 } else {
 522                         // Copy all cur text in immediately: this may take longer but avoids
 523                         // having to keep an extra table around.
 524                         echo "......Moving text from cur.\n";
 525                         $cur_text = 'cur_text';
 526                         $cur_flags = "''";
 527                 }
 528                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 529                                 old_timestamp, old_minor_edit, old_flags)
 530                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 531                         FROM $cur", $fname );
 532
 533                 echo wfTimestamp( TS_DB );
 534                 echo "......Setting up revision table.\n";
 535                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 536                                 rev_minor_edit)
 537                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 538                                 old_timestamp, old_minor_edit
 539                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 540
 541                 echo wfTimestamp( TS_DB );
 542                 echo "......Setting up page table.\n";
 543                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 544                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 545                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 546                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 547                         FROM $cur,$revision
 548                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 549
 550                 echo wfTimestamp( TS_DB );
 551                 echo "......Unlocking tables.\n";
 552                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 553
 554                 echo wfTimestamp( TS_DB );
 555                 echo "......Renaming old.\n";
 556                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 557
 558                 echo wfTimestamp( TS_DB );
 559                 echo "...done.\n";
 560         }
 561 }
 562
 563 function do_inverse_timestamp() {
 564         global $wgDatabase;
 565         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 566                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 567                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 568                 echo "ok\n";
 569         } else {
 570                 echo "revision timestamp indexes already up to 2005-03-13\n";
 571         }
 572 }
 573
 574 function do_text_id() {
 575         global $wgDatabase;
 576         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 577                 echo "...rev_text_id already in place.\n";
 578         } else {
 579                 echo "Adding rev_text_id field... ";
 580                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 581                 echo "ok\n";
 582         }
 583 }
 584
 585 function do_namespace_size() {
 586         $tables = array(
 587                 'page'          => 'page',
 588                 'archive'       => 'ar',
 589                 'recentchanges' => 'rc',
 590                 'watchlist'     => 'wl',
 591                 'querycache'    => 'qc',
 592                 'logging'       => 'log',
 593         );
 594         foreach( $tables as $table => $prefix ) {
 595                 do_namespace_size_on( $table, $prefix );
 596                 flush();
 597         }
 598 }
 599
 600 function do_namespace_size_on( $table, $prefix ) {
 601         global $wgDatabase, $wgDBtype;
 602         if ($wgDBtype != 'mysql')
 603                 return;
 604         $field = $prefix . '_namespace';
 605
 606         $tablename = $wgDatabase->tableName( $table );
 607         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 608         $info = $wgDatabase->fetchObject( $result );
 609         $wgDatabase->freeResult( $result );
 610
 611         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 612                 echo "...$field is already a full int ($info->Type).\n";
 613         } else {
 614                 echo "Promoting $field from $info->Type to int... ";
 615
 616                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 617                 $wgDatabase->query( $sql );
 618
 619                 echo "ok\n";
 620         }
 621 }
 622
 623 function do_pagelinks_update() {
 624         global $wgDatabase;
 625         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 626                 echo "...already have pagelinks table.\n";
 627         } else {
 628                 echo "Converting links and brokenlinks tables to pagelinks... ";
 629                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 630                 echo "ok\n";
 631                 flush();
 632
 633                 global $wgCanonicalNamespaceNames;
 634                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 635                         if( $ns != 0 ) {
 636                                 do_pagelinks_namespace( $ns );
 637                         }
 638                 }
 639         }
 640 }
 641
 642 function do_pagelinks_namespace( $namespace ) {
 643         global $wgDatabase, $wgContLang;
 644
 645         $ns = intval( $namespace );
 646         echo "Cleaning up broken links for namespace $ns... ";
 647
 648         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 649         $name = $wgContLang->getNsText( $ns );
 650         $prefix = $wgDatabase->strencode( $name );
 651         $likeprefix = str_replace( '_', '\\_', $prefix);
 652
 653         $sql = "UPDATE $pagelinks
 654                    SET pl_namespace=$ns,
 655                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 656                  WHERE pl_namespace=0
 657                    AND pl_title LIKE '$likeprefix:%'";
 658
 659         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 660         echo "ok\n";
 661 }
 662
 663 function do_drop_img_type() {
 664         global $wgDatabase;
 665
 666         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 667                 echo "Dropping unused img_type field in image table... ";
 668                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 669                 echo "ok\n";
 670         } else {
 671                 echo "No img_type field in image table; Good.\n";
 672         }
 673 }
 674
 675 function do_old_links_update() {
 676         global $wgDatabase;
 677         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 678                 echo "Already have pagelinks; skipping old links table updates.\n";
 679         } else {
 680                 convertLinks(); flush();
 681         }
 682 }
 683
 684 function do_user_unique_update() {
 685         global $wgDatabase;
 686         $duper = new UserDupes( $wgDatabase );
 687         if( $duper->hasUniqueIndex() ) {
 688                 echo "Already have unique user_name index.\n";
 689         } else {
 690                 if( !$duper->clearDupes() ) {
 691                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 692                 }
 693                 echo "Adding unique index on user_name... ";
 694                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 695                 echo "ok\n";
 696         }
 697 }
 698
 699 function do_user_groups_update() {
 700         $fname = 'do_user_groups_update';
 701         global $wgDatabase;
 702
 703         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 704                 echo "...user_groups table already exists.\n";
 705                 return do_user_groups_reformat();
 706         }
 707
 708         echo "Adding user_groups table... ";
 709         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 710         echo "ok\n";
 711
 712         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 713                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 714                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 715                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 716                         echo "ok\n";
 717                 } else {
 718                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 719                         echo "*** You may need to manually configure some sysops by manipulating\n";
 720                         echo "*** the user_groups table.\n";
 721                         return;
 722                 }
 723         }
 724
 725         echo "Converting user_rights table to user_groups... ";
 726         $result = $wgDatabase->select( 'user_rights',
 727                 array( 'ur_user', 'ur_rights' ),
 728                 array( "ur_rights != ''" ),
 729                 $fname );
 730
 731         while( $row = $wgDatabase->fetchObject( $result ) ) {
 732                 $groups = array_unique(
 733                         array_map( 'trim',
 734                                 explode( ',', $row->ur_rights ) ) );
 735
 736                 foreach( $groups as $group ) {
 737                         $wgDatabase->insert( 'user_groups',
 738                                 array(
 739                                         'ug_user'  => $row->ur_user,
 740                                         'ug_group' => $group ),
 741                                 $fname );
 742                 }
 743         }
 744         $wgDatabase->freeResult( $result );
 745         echo "ok\n";
 746 }
 747
 748 function do_user_groups_reformat() {
 749         # Check for bogus formats from previous 1.5 alpha code.
 750         global $wgDatabase;
 751         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 752
 753         if( $info->type() == 'int' ) {
 754                 $oldug = $wgDatabase->tableName( 'user_groups' );
 755                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 756                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 757                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 758                 echo "ok\n";
 759
 760                 echo "Re-adding fresh user_groups table... ";
 761                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 762                 echo "ok\n";
 763
 764                 echo "***\n";
 765                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 766                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 767                 echo "***\n";
 768         } else {
 769                 echo "...user_groups is in current format.\n";
 770         }
 771
 772 }
 773
 774 function do_watchlist_null() {
 775         # Make sure wl_notificationtimestamp can be NULL,
 776         # and update old broken items.
 777         global $wgDatabase;
 778         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 779
 780         if( !$info->nullable() ) {
 781                 echo "Making wl_notificationtimestamp nullable... ";
 782                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 783                 echo "ok\n";
 784         } else {
 785                 echo "...wl_notificationtimestamp is already nullable.\n";
 786         }
 787
 788 }
 789
 790 /**
 791  * @bug 3946
 792  */
 793 function do_page_random_update() {
 794         global $wgDatabase;
 795
 796         echo "Setting page_random to a random value on rows where it equals 0...";
 797
 798         $page = $wgDatabase->tableName( 'page' );
 799         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 800         $rows = $wgDatabase->affectedRows();
 801
 802         echo "changed $rows rows\n";
 803 }
 804
 805 function do_templatelinks_update() {
 806         global $wgDatabase, $wgLoadBalancer;
 807         $fname = 'do_templatelinks_update';
 808
 809         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 810                 echo "...templatelinks table already exists\n";
 811                 return;
 812         }
 813         echo "Creating templatelinks table...\n";
 814         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 815         echo "Populating...\n";
 816         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 817                 // Slow, replication-friendly update
 818                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 819                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 820                 $count = 0;
 821                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 822                         $count = ($count + 1) % 100;
 823                         if ( $count == 0 ) {
 824                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 825                                         wfWaitForSlaves( 10 );
 826                                 } else {
 827                                         sleep( 1 );
 828                                 }
 829                         }
 830                         $wgDatabase->insert( 'templatelinks',
 831                                 array(
 832                                         'tl_from' => $row->pl_from,
 833                                         'tl_namespace' => $row->pl_namespace,
 834                                         'tl_title' => $row->pl_title,
 835                                 ), $fname
 836                         );
 837
 838                 }
 839                 $wgDatabase->freeResult( $res );
 840         } else {
 841                 // Fast update
 842                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 843                         array(
 844                                 'tl_from' => 'pl_from',
 845                                 'tl_namespace' => 'pl_namespace',
 846                                 'tl_title' => 'pl_title'
 847                         ), array(
 848                                 'pl_namespace' => 10
 849                         ), $fname
 850                 );
 851         }
 852         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 853 }
 854
 855 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 856 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 857 function do_rc_indices_update() {
 858         global $wgDatabase;
 859         echo( "Checking for additional recent changes indices...\n" );
 860
 861         $indexes = array(
 862                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 863                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 864         );
 865
 866         foreach( $indexes as $index => $patch ) {
 867                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 868                 if( !$info ) {
 869                         echo( "...index `{$index}` not found; adding..." );
 870                         dbsource( archive( $patch ) );
 871                         echo( "done.\n" );
 872                 } else {
 873                         echo( "...index `{$index}` seems ok.\n" );
 874                 }
 875         }
 876 }
 877
 878 function index_has_field($table, $index, $field) {
 879         global $wgDatabase;
 880         echo( "Checking if $table index $index includes field $field...\n" );
 881         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 882         if( $info ) {
 883                 foreach($info as $row) {
 884                         if($row->Column_name == $field) {
 885                                 echo( "...index $index on table $table seems to be ok\n" );
 886                                 return true;
 887                         }
 888                 }
 889         }
 890         echo( "...index $index on table $table has no field $field; adding\n" );
 891         return false;
 892 }
 893
 894 function do_backlinking_indices_update() {
 895         echo( "Checking for backlinking indices...\n" );
 896         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 897                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 898                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 899         {
 900                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 901         }
 902 }
 903
 904 function do_categorylinks_indices_update() {
 905         echo( "Checking for categorylinks indices...\n" );
 906         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 907         {
 908                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 909         }
 910 }
 911
 912 function do_stats_init() {
 913         // Sometimes site_stats table is not properly populated.
 914         global $wgDatabase;
 915         echo "Checking site_stats row...";
 916         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 917         if( $row === false ) {
 918                 echo "data is missing! rebuilding...\n";
 919
 920                 global $IP;
 921                 require_once "$IP/maintenance/initStats.inc";
 922                 wfInitStats();
 923         } else {
 924                 echo "ok.\n";
 925         }
 926 }
 927
 928 function purge_cache() {
 929         global $wgDatabase;
 930         # We can't guarantee that the user will be able to use TRUNCATE,
 931         # but we know that DELETE is available to us
 932         echo( "Purging caches..." );
 933         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 934         echo( "done.\n" );
 935 }
 936
 937 function do_all_updates( $shared = false, $purge = true ) {
 938         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 939
 940         wfRunHooks('LoadExtensionSchemaUpdates');
 941
 942         $doUser = !$wgSharedDB || $shared;
 943
 944         if ($wgDBtype === 'postgres') {
 945                 do_postgres_updates();
 946                 return;
 947         }
 948
 949         # Rename tables
 950         foreach ( $wgRenamedTables as $tableRecord ) {
 951                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 952         }
 953
 954         # Add missing tables
 955         foreach ( $wgNewTables as $tableRecord ) {
 956                 add_table( $tableRecord[0], $tableRecord[1] );
 957                 flush();
 958         }
 959
 960         # Add missing fields
 961         foreach ( $wgNewFields as $fieldRecord ) {
 962                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 963                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 964                 }
 965                 flush();
 966         }
 967
 968         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
 969         # Add missing extension tables
 970         foreach ( $wgExtNewTables as $tableRecord ) {
 971                 add_table( $tableRecord[0], $tableRecord[1], true );
 972                 flush();
 973         }
 974         # Add missing extension fields
 975         foreach ( $wgExtNewFields as $fieldRecord ) {
 976                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 977                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 978                 }
 979                 flush();
 980         }
 981         # Add missing extension indexes
 982         foreach ( $wgExtNewIndexes as $fieldRecord ) {
 983                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 984                 flush();
 985         }
 986
 987         # Do schema updates which require special handling
 988         do_interwiki_update(); flush();
 989         do_index_update(); flush();
 990         do_old_links_update(); flush();
 991         do_image_name_unique_update(); flush();
 992         do_watchlist_update(); flush();
 993         if ( $doUser ) {
 994                 do_user_update(); flush();
 995         }
 996 ######  do_copy_newtalk_to_watchlist(); flush();
 997         do_logging_encoding(); flush();
 998
 999         do_schema_restructuring(); flush();
1000         do_inverse_timestamp(); flush();
1001         do_text_id(); flush();
1002         do_namespace_size(); flush();
1003
1004         do_pagelinks_update(); flush();
1005         do_templatelinks_update(); flush(); // after pagelinks
1006
1007         do_drop_img_type(); flush();
1008
1009         if ( $doUser ) {
1010                 do_user_unique_update(); flush();
1011         }
1012         do_user_groups_update(); flush();
1013
1014         do_watchlist_null(); flush();
1015
1016         //do_image_index_update(); flush();
1017
1018         do_logging_timestamp_index(); flush();
1019
1020         do_page_random_update(); flush();
1021
1022         do_rc_indices_update(); flush();
1023
1024         do_backlinking_indices_update(); flush();
1025
1026         do_categorylinks_indices_update(); flush();
1027
1028         do_restrictions_update(); flush ();
1029
1030         do_archive_user_index(); flush ();
1031
1032         do_image_user_index(); flush ();
1033
1034         do_oldimage_user_index(); flush ();
1035
1036         echo "Deleting old default messages (this may take a long time!)..."; flush();
1037         deleteDefaultMessages();
1038         echo "Done\n"; flush();
1039
1040         do_stats_init(); flush();
1041
1042         if( $purge ) {
1043                 purge_cache();
1044                 flush();
1045         }
1046 }
1047
1048 function archive($name) {
1049         global $wgDBtype, $IP;
1050         switch ($wgDBtype) {
1051         case "postgres":
1052                 return "$IP/maintenance/postgres/archives/$name";
1053         default:
1054                 return "$IP/maintenance/archives/$name";
1055         }
1056 }
1057
1058 function do_restrictions_update() {
1059         # Adding page_restrictions table, obsoleting page.page_restrictions.
1060         #  Migrating old restrictions to new table
1061         # -- Andrew Garrett, January 2007.
1062
1063         global $wgDatabase;
1064
1065         $name = 'page_restrictions';
1066         $patch = 'patch-page_restrictions.sql';
1067         $patch2 = 'patch-page_restrictions_sortkey.sql';
1068
1069         if ( $wgDatabase->tableExists( $name ) ) {
1070                 echo "...$name table already exists.\n";
1071         } else {
1072                 echo "Creating $name table...";
1073                 dbsource( archive($patch), $wgDatabase );
1074                 dbsource( archive($patch2), $wgDatabase );
1075                 echo "ok\n";
1076
1077                 echo "Migrating old restrictions to new table...";
1078
1079                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1080
1081                 $count = 0;
1082
1083                 while ($row = $wgDatabase->fetchObject($res) ) {
1084                         $count = ($count + 1) % 100;
1085
1086                         if ($count == 0) {
1087                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1088                                         wfWaitForSlaves( 10 );
1089                                 } else {
1090                                         sleep( 1 );
1091                                 }
1092                         }
1093
1094                         # Figure out what the restrictions are..
1095                         $id = $row->page_id;
1096                         $flatrestrictions = explode( ':', $row->page_restrictions );
1097
1098                         $restrictions = array ();
1099                         foreach( $flatrestrictions as $restriction ) {
1100                                 $thisrestriction = explode( '=', $restriction, 2 );
1101                                 if( count( $thisrestriction ) == 1 ) {
1102                                         // Compatibility with old protections from before
1103                                         // separate move protection was added.
1104                                         list( $level ) = $thisrestriction;
1105                                         if( $level ) {
1106                                                 $restrictions['edit'] = $level;
1107                                                 $restrictions['move'] = $level;
1108                                         }
1109                                 } else {
1110                                         list( $type, $level ) = $thisrestriction;
1111                                         if( $level ) {
1112                                                 $restrictions[$type] = $level;
1113                                         }
1114                                 }
1115
1116                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1117
1118                         }
1119
1120                         foreach( $restrictions as $type => $level ) {
1121                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1122                                                                                         'pr_type' => $type,
1123                                                                                         'pr_level' => $level,
1124                                                                                         'pr_cascade' => 0,
1125                                                                                         'pr_expiry' => 'infinity' ),
1126                                                                                         __METHOD__ );
1127                         }
1128                 }
1129                 print "ok\n";
1130         }
1131
1132 }
1133
1134 function
1135 pg_describe_table($table)
1136 {
1137 global  $wgDatabase, $wgDBmwschema;
1138         $q = <<<END
1139 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1140         WHERE pg_class.relnamespace = pg_namespace.oid
1141           AND attrelid=pg_class.oid AND attnum > 0
1142           AND relname=%s AND nspname=%s
1143 END;
1144         $res = $wgDatabase->query(sprintf($q,
1145                         $wgDatabase->addQuotes($table),
1146                         $wgDatabase->addQuotes($wgDBmwschema)));
1147         if (!$res)
1148                 return null;
1149
1150         $cols = array();
1151         while ($r = $wgDatabase->fetchRow($res)) {
1152                 $cols[] = array(
1153                                 "name" => $r[0],
1154                                 "ord" => $r[1],
1155                         );
1156         }
1157         return $cols;
1158 }
1159
1160 function
1161 pg_describe_index($idx)
1162 {
1163 global  $wgDatabase, $wgDBmwschema;
1164
1165         // first fetch the key (which is a list of columns ords) and
1166         // the table the index applies to (an oid)
1167         $q = <<<END
1168 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1169         WHERE nspname=%s
1170           AND pg_class.relnamespace = pg_namespace.oid
1171           AND relname=%s
1172           AND indexrelid=pg_class.oid
1173 END;
1174         $res = $wgDatabase->query(sprintf($q,
1175                         $wgDatabase->addQuotes($wgDBmwschema),
1176                         $wgDatabase->addQuotes($idx)));
1177         if (!$res)
1178                 return null;
1179         if (!($r = $wgDatabase->fetchRow($res))) {
1180                 $wgDatabase->freeResult($res);
1181                 return null;
1182         }
1183
1184         $indkey = $r[0];
1185         $relid = intval($r[1]);
1186         $indkeys = explode(" ", $indkey);
1187         $wgDatabase->freeResult($res);
1188
1189         $colnames = array();
1190         foreach ($indkeys as $rid) {
1191                 $query = <<<END
1192 SELECT attname FROM pg_class, pg_attribute
1193         WHERE attrelid=$relid
1194           AND attnum=%d
1195           AND attrelid=pg_class.oid
1196 END;
1197                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1198                 if (!$r2)
1199                         return null;
1200                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1201                         $wgDatabase->freeResult($r2);
1202                         return null;
1203                 }
1204                 $colnames[] = $row2[0];
1205                 $wgDatabase->freeResult($r2);
1206         }
1207
1208         return $colnames;
1209 }
1210
1211 function
1212 pg_index_exists($table, $index)
1213 {
1214 global  $wgDatabase, $wgDBmwschema;
1215         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1216                         array(  "indexname" => $index,
1217                                 "tablename" => $table,
1218                                 "schemaname" => $wgDBmwschema));
1219         return $exists === $index;
1220 }
1221
1222 function
1223 pg_fkey_deltype($fkey)
1224 {
1225 global  $wgDatabase, $wgDBmwschema;
1226         $q = <<<END
1227 SELECT confdeltype FROM pg_constraint, pg_namespace
1228         WHERE connamespace=pg_namespace.oid
1229           AND nspname=%s
1230           AND conname=%s;
1231 END;
1232         $r = $wgDatabase->query(sprintf($q,
1233                 $wgDatabase->addQuotes($wgDBmwschema),
1234                 $wgDatabase->addQuotes($fkey)));
1235         if (!($row = $wgDatabase->fetchRow($r)))
1236                 return null;
1237         return $row[0];
1238 }
1239
1240 function
1241 pg_rule_def($table, $rule)
1242 {
1243 global  $wgDatabase, $wgDBmwschema;
1244         $q = <<<END
1245 SELECT definition FROM pg_rules
1246         WHERE schemaname = %s
1247           AND tablename = %s
1248           AND rulename = %s
1249 END;
1250         $r = $wgDatabase->query(sprintf($q,
1251                         $wgDatabase->addQuotes($wgDBmwschema),
1252                         $wgDatabase->addQuotes($table),
1253                         $wgDatabase->addQuotes($rule)));
1254         $row = $wgDatabase->fetchRow($r);
1255         if (!$row)
1256                 return null;
1257         $d = $row[0];
1258         $wgDatabase->freeResult($r);
1259         return $d;
1260 }
1261
1262 function do_postgres_updates() {
1263         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1264
1265         ## Gather version numbers in case we need them
1266         $version = $wgDatabase->getServerVersion(); ## long string
1267         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1268
1269         $wgShowExceptionDetails = 1;
1270
1271         # Just in case their LocalSettings.php does not have this:
1272         if ( !isset( $wgDBmwschema ))
1273                 $wgDBmwschema = 'mediawiki';
1274
1275         # Verify that this user is configured correctly
1276         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1277         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1278         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1279         $conf = array();
1280         foreach( explode( '*', $config ) as $c ) {
1281                 list( $x,$y ) = explode( '=', $c );
1282                 $conf[$x] = $y;
1283         }
1284         $newpath = array();
1285         if( $wgDBmwschema === 'mediawiki' ) {
1286                 if (!array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1287                         echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1288                         $newpath[$wgDBmwschema] = 1;
1289                 }
1290         }
1291         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1292                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1293                 $newpath[$wgDBts2schema] = 1;
1294         }
1295         $searchpath = implode( ',', array_keys( $newpath ) );
1296         if( strlen( $searchpath ) ) {
1297                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1298                 $wgDatabase->doQuery( "SET search_path = $searchpath" );
1299         }
1300         else {
1301                 $path = $conf['search_path'];
1302                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1303         }
1304         $goodconf = array(
1305                 'client_min_messages' => 'error',
1306                 'DateStyle'           => 'ISO, YMD',
1307                 'TimeZone'            => 'GMT'
1308         );
1309         foreach( array_keys( $goodconf ) AS $key ) {
1310                 $value = $goodconf[$key];
1311                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1312                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1313                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1314                         $wgDatabase->doQuery( "SET $key = '$value'" );
1315                 }
1316                 else {
1317                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1318                 }
1319         }
1320
1321         $newsequences = array(
1322                 "log_log_id_seq",
1323                 "pr_id_val",
1324         );
1325
1326         $newtables = array(
1327                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1328                 array("mwuser",            "patch-mwuser.sql"),
1329                 array("pagecontent",       "patch-pagecontent.sql"),
1330                 array("querycachetwo",     "patch-querycachetwo.sql"),
1331                 array("page_restrictions", "patch-page_restrictions.sql"),
1332                 array("profiling",         "patch-profiling.sql"),
1333                 array("protected_titles",  "patch-protected_titles.sql"),
1334                 array("redirect",          "patch-redirect.sql"),
1335         );
1336
1337         $newcols = array(
1338                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1339                 array("archive",       "ar_len",               "INTEGER"),
1340                 array("archive",       "ar_page_id",           "INTEGER"),
1341                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1342                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1343                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1344                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1345                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1346                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1347                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1348                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1349                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1350                 array("logging",       "log_params",           "TEXT"),
1351                 array("mwuser",        "user_editcount",       "INTEGER"),
1352                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1353                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1354                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1355                 array("oldimage",      "oi_media_type",        "TEXT"),
1356                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1357                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1358                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1359                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1360                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1361                 array("recentchanges", "rc_log_action",        "TEXT"),
1362         array("recentchanges", "rc_log_type",          "TEXT"),
1363         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1364                 array("recentchanges", "rc_new_len",           "INTEGER"),
1365                 array("recentchanges", "rc_old_len",           "INTEGER"),
1366                 array("recentchanges", "rc_params",            "TEXT"),
1367                 array("revision",      "rev_len",              "INTEGER"),
1368                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1369         );
1370
1371
1372         # table, column, desired type, USING clause if needed (with new default if needed)
1373         $typechanges = array(
1374                 array("archive",      "ar_deleted",      "smallint", ""),
1375                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1376                 array("filearchive",  "fa_deleted",      "smallint", ""),
1377                 array("filearchive",  "fa_height",       "integer",  ""),
1378                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1379                 array("filearchive",  "fa_size",         "integer",  ""),
1380                 array("filearchive",  "fa_width",        "integer",  ""),
1381                 array("filearchive",  "fa_storage_group","text",     ""),
1382                 array("filearchive",  "fa_storage_key",  "text",     ""),
1383                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1384                 array("image",        "img_size",        "integer",  ""),
1385                 array("image",        "img_width",       "integer",  ""),
1386                 array("image",        "img_height",      "integer",  ""),
1387                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1388                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1389                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1390                 array("ipblocks",     "ipb_anon_only",        "smallint", "ipb_anon_only::smallint DEFAULT 0"),
1391                 array("ipblocks",     "ipb_create_account",        "smallint", "ipb_create_account::smallint DEFAULT 1"),
1392                 array("ipblocks",     "ipb_enable_autoblock",        "smallint", "ipb_enable_autoblock::smallint DEFAULT 1"),
1393                 array("ipblocks",     "ipb_block_email",        "smallint", "ipb_block_email::smallint DEFAULT 0"),
1394                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1395                 array("ipblocks",     "ipb_deleted",     "smallint", ""),
1396                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1397                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1398                 array("mwuser",       "user_token",      "text",     ""),
1399                 array("mwuser",       "user_email_token","text",     ""),
1400                 array("objectcache",  "keyname",         "text",     ""),
1401                 array("oldimage",     "oi_height",       "integer",  ""),
1402                 array("oldimage",     "oi_size",         "integer",  ""),
1403                 array("oldimage",     "oi_width",        "integer",  ""),
1404                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1405                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1406                 array("querycache",   "qc_value",        "integer",  ""),
1407                 array("querycachetwo","qcc_value",       "integer",  ""),
1408                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1409                 array("recentchanges","rc_deleted",      "smallint", ""),
1410                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1411                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1412                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1413                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1414                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1415                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1416                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1417         );
1418
1419         $newindexes = array(
1420                 array("archive",       "archive_user_text", "(ar_user_text)"),
1421                 array("image",         "img_sha1",          "(img_sha1)"),
1422                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1423                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1424         );
1425
1426         $newrules = array(
1427         );
1428
1429         foreach ($newsequences as $ns) {
1430                 if ($wgDatabase->sequenceExists($ns)) {
1431                         echo "... sequence \"$ns\" already exists\n";
1432                         continue;
1433                 }
1434
1435                 echo "Creating sequence \"$ns\"\n";
1436                 $wgDatabase->query("CREATE SEQUENCE $ns");
1437         }
1438
1439         foreach ($newtables as $nt) {
1440                 if ($wgDatabase->tableExists($nt[0])) {
1441                         echo "... table \"$nt[0]\" already exists\n";
1442                         continue;
1443                 }
1444
1445                 echo "Creating table \"$nt[0]\"\n";
1446                 dbsource(archive($nt[1]));
1447         }
1448
1449         ## Needed before newcols
1450         if ($wgDatabase->tableExists("archive2")) {
1451                 echo "Converting \"archive2\" back to normal archive table\n";
1452                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1453                         echo "Dropping rule \"archive_insert\"\n";
1454                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1455                 }
1456                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1457                         echo "Dropping rule \"archive_delete\"\n";
1458                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1459                 }
1460                 dbsource(archive("patch-remove-archive2.sql"));
1461         }
1462         else
1463                 echo "... obsolete table \"archive2\" does not exist\n";
1464
1465         foreach ($newcols as $nc) {
1466                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1467                 if (!is_null($fi)) {
1468                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1469                         continue;
1470                 }
1471
1472                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1473                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1474         }
1475
1476         foreach ($typechanges as $tc) {
1477                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1478                 if (is_null($fi)) {
1479                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1480                         exit(1);
1481                 }
1482
1483                 if ($fi->type() === $tc[2])
1484                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1485                 else {
1486                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1487                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1488                         if (strlen($tc[3])) {
1489                                 $default = array();
1490                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1491                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1492                                         $wgDatabase->query($sqldef);
1493                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1494                                 }
1495                                 $sql .= " USING $tc[3]";
1496                         }
1497                         $sql .= ";\nCOMMIT;\n";
1498                         $wgDatabase->query($sql);
1499                 }
1500         }
1501
1502         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1503                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1504                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1505                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1506                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1507         }
1508         else
1509                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1510
1511
1512         foreach ($newindexes as $ni) {
1513                 if (pg_index_exists($ni[0], $ni[1])) {
1514                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1515                         continue;
1516                 }
1517                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1518                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1519         }
1520
1521         foreach ($newrules as $nr) {
1522                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1523                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1524                         continue;
1525                 }
1526                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1527                 dbsource(archive($nr[2]));
1528         }
1529
1530         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1531                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1532                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1533                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1534                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1535         }
1536         else
1537                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1538
1539         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1540                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1541                 dbsource(archive('patch-page_deleted.sql'));
1542         }
1543         else
1544                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1545
1546         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1547         if (!$fi->nullable()) {
1548                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1549                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1550         }
1551         else
1552                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1553
1554         $pu = pg_describe_index("pagelink_unique");
1555         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1556                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1557                 $wgDatabase->query("DROP INDEX pagelink_unique");
1558                 $pu = null;
1559         }
1560         else
1561                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1562
1563         if (is_null($pu)) {
1564                 echo "Creating index \"pagelink_unique index\"\n";
1565                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1566         }
1567         else
1568                 echo "... index \"pagelink_unique_index\" aready exists\n";
1569
1570         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1571                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1572         }
1573         else {
1574                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1575                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1576         }
1577
1578         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1579         # Add missing extension tables
1580         foreach ( $wgExtNewTables as $nt ) {
1581                 if ($wgDatabase->tableExists($nt[0])) {
1582                         echo "... table \"$nt[0]\" already exists\n";
1583                         continue;
1584                 }
1585                 echo "Creating table \"$nt[0]\"\n";
1586                 dbsource($nt[1]);
1587         }
1588         # Add missing extension fields
1589         foreach ( $wgExtPGNewFields as $nc ) {
1590                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1591                 if (!is_null($fi)) {
1592                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1593                         continue;
1594                 }
1595                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1596                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1597         }
1598         # Add missing extension indexes
1599         foreach ( $wgExtNewIndexes as $ni ) {
1600                 if (pg_index_exists($ni[0], $ni[1])) {
1601                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1602                         continue;
1603                 }
1604                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1605                 dbsource($ni[2]);
1606         }
1607
1608         # Tweak the page_title tsearch2 trigger to filter out slashes
1609         # This is create or replace, so harmless to call if not needed
1610         dbsource(archive("patch-ts2pagetitle.sql"));
1611
1612         return;
1613 }