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         array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 136 );
 137
 138
 139 # For extensions only, should be populated via hooks
 140 # $wgDBtype should be checked to specifiy the proper file
 141 $wgExtNewTables = array(); // table, dir
 142 $wgExtNewFields = array(); // table, column, dir
 143 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 144 $wgExtNewIndexes = array(); // table, index, dir
 145
 146 # Helper function: check if the given key is present in the updatelog table.
 147 # Obviously, only use this for updates that occur after the updatelog table was
 148 # created!
 149 function update_row_exists( $key ) {
 150         $dbr = wfGetDB( DB_SLAVE );
 151         $row = $dbr->selectRow(
 152                 'updatelog',
 153                 '1',
 154                 array( 'ul_key' => $key ),
 155                 __FUNCTION__
 156         );
 157         return (bool)$row;
 158 }
 159
 160 function rename_table( $from, $to, $patch ) {
 161         global $wgDatabase;
 162         if ( $wgDatabase->tableExists( $from ) ) {
 163                 if ( $wgDatabase->tableExists( $to ) ) {
 164                         echo "...can't move table $from to $to, $to already exists.\n";
 165                 } else {
 166                         echo "Moving table $from to $to...";
 167                         dbsource( archive($patch), $wgDatabase );
 168                         echo "ok\n";
 169                 }
 170         } else {
 171                 // Source table does not exist
 172                 // Renames are done before creations, so this is typical for a new installation
 173                 // Ignore silently
 174         }
 175 }
 176
 177 function add_table( $name, $patch, $fullpath=false ) {
 178         global $wgDatabase;
 179         if ( $wgDatabase->tableExists( $name ) ) {
 180                 echo "...$name table already exists.\n";
 181         } else {
 182                 echo "Creating $name table...";
 183                 if( $fullpath ) {
 184                         dbsource( $patch, $wgDatabase );
 185                 } else {
 186                         dbsource( archive($patch), $wgDatabase );
 187                 }
 188                 echo "ok\n";
 189         }
 190 }
 191
 192 function add_field( $table, $field, $patch, $fullpath=false ) {
 193         global $wgDatabase;
 194         if ( !$wgDatabase->tableExists( $table ) ) {
 195                 echo "...$table table does not exist, skipping new field patch\n";
 196         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 197                 echo "...have $field field in $table table.\n";
 198         } else {
 199                 echo "Adding $field field 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 add_index( $table, $index, $patch, $fullpath=false ) {
 210         global $wgDatabase;
 211         if( $wgDatabase->indexExists( $table, $index ) ) {
 212                 echo "...$index key already set on $table table.\n";
 213         } else {
 214                 echo "Adding $index key to table $table... ";
 215                 if( $fullpath ) {
 216                         dbsource( $patch, $wgDatabase );
 217                 } else {
 218                         dbsource( archive($patch), $wgDatabase );
 219                 }
 220                 echo "ok\n";
 221         }
 222 }
 223
 224 function do_revision_updates() {
 225         global $wgSoftwareRevision;
 226         if ( $wgSoftwareRevision < 1001 ) {
 227                 update_passwords();
 228         }
 229 }
 230
 231 function update_passwords() {
 232         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 233
 234         global $wgDatabase;
 235         $fname = "Update script: update_passwords()";
 236         print "\nIt appears that you need to update the user passwords in your\n" .
 237           "database. If you have already done this (if you've run this update\n" .
 238           "script once before, for example), doing so again will make all your\n" .
 239           "user accounts inaccessible, so be sure you only do this once.\n" .
 240           "Update user passwords? (yes/no)";
 241
 242         $resp = readconsole();
 243     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 244
 245         $sql = "SELECT user_id,user_password FROM user";
 246         $source = $wgDatabase->query( $sql, $fname );
 247
 248         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 249                 $id = $row->user_id;
 250                 $oldpass = $row->user_password;
 251                 $newpass = md5( "{$id}-{$oldpass}" );
 252
 253                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 254                   "WHERE user_id={$id}";
 255                 $wgDatabase->query( $sql, $fname );
 256         }
 257 }
 258
 259 function do_interwiki_update() {
 260         # Check that interwiki table exists; if it doesn't source it
 261         global $wgDatabase, $IP;
 262         if( $wgDatabase->tableExists( "interwiki" ) ) {
 263                 echo "...already have interwiki table\n";
 264                 return true;
 265         }
 266         echo "Creating interwiki table: ";
 267         dbsource( archive("patch-interwiki.sql") );
 268         echo "ok\n";
 269         echo "Adding default interwiki definitions: ";
 270         dbsource( "$IP/maintenance/interwiki.sql" );
 271         echo "ok\n";
 272 }
 273
 274 function do_index_update() {
 275         # Check that proper indexes are in place
 276         global $wgDatabase;
 277         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 278         if( !$meta->isMultipleKey() ) {
 279                 echo "Updating indexes to 20031107: ";
 280                 dbsource( archive("patch-indexes.sql") );
 281                 echo "ok\n";
 282                 return true;
 283         }
 284         echo "...indexes seem up to 20031107 standards\n";
 285         return false;
 286 }
 287
 288 function do_image_index_update() {
 289         global $wgDatabase;
 290
 291         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 292         if( !$meta->isMultipleKey() ) {
 293                 echo "Updating indexes to 20050912: ";
 294                 dbsource( archive("patch-mimesearch-indexes.sql") );
 295                 echo "ok\n";
 296                 return true;
 297         }
 298         echo "...indexes seem up to 20050912 standards\n";
 299         return false;
 300 }
 301
 302 function do_image_name_unique_update() {
 303         global $wgDatabase;
 304         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 305                 echo "...image primary key already set.\n";
 306         } else {
 307                 echo "Making img_name the primary key... ";
 308                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 309                 echo "ok\n";
 310         }
 311 }
 312
 313 function do_logging_timestamp_index() {
 314         global $wgDatabase;
 315         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 316                 echo "...timestamp key on logging already exists.\n";
 317         } else {
 318                 echo "Adding timestamp key on logging table... ";
 319                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 320                 echo "ok\n";
 321         }
 322 }
 323
 324 function do_archive_user_index() {
 325         global $wgDatabase;
 326         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 327                 echo "...usertext,timestamp key on archive already exists.\n";
 328         } else {
 329                 echo "Adding usertext,timestamp key on archive table... ";
 330                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 331                 echo "ok\n";
 332         }
 333 }
 334
 335 function do_image_user_index() {
 336         global $wgDatabase;
 337         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 338                 echo "...usertext,timestamp key on image already exists.\n";
 339         } else {
 340                 echo "Adding usertext,timestamp key on image table... ";
 341                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 342                 echo "ok\n";
 343         }
 344 }
 345
 346 function do_oldimage_user_index() {
 347         global $wgDatabase;
 348         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 349                 echo "...usertext,timestamp key on oldimage already exists.\n";
 350         } else {
 351                 echo "Adding usertext,timestamp key on oldimage table... ";
 352                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 353                 echo "ok\n";
 354         }
 355 }
 356
 357 function do_watchlist_update() {
 358         global $wgDatabase;
 359         $fname = 'do_watchlist_update';
 360         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 361                 echo "The watchlist table is already set up for email notification.\n";
 362         } else {
 363                 echo "Adding wl_notificationtimestamp field for email notification management.";
 364                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 365                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 366                 echo "ok\n";
 367         }
 368         # Check if we need to add talk page rows to the watchlist
 369         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 370         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 371         if ( $talk != $nontalk ) {
 372                 echo "Adding missing watchlist talk page rows... ";
 373                 flush();
 374
 375                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 376                         array(
 377                                 'wl_user' => 'wl_user',
 378                                 'wl_namespace' => 'wl_namespace | 1',
 379                                 'wl_title' => 'wl_title',
 380                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 381                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 382                 echo "ok\n";
 383         } else {
 384                 echo "...watchlist talk page rows already present\n";
 385         }
 386 }
 387
 388 function do_copy_newtalk_to_watchlist() {
 389         global $wgDatabase;
 390         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 391
 392         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 393                 $wgDatabase->tableName( 'user_newtalk' ) );
 394         $num_newtalks=$wgDatabase->numRows($res);
 395         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 396
 397         $user = new User();
 398         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 399                 $wluser = $wgDatabase->fetchObject( $res );
 400                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 401                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 402                                 $wgDatabase->replace( 'watchlist',
 403                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 404                                           array('wl_user'                       => 0,
 405                                                 'wl_namespace'                  => NS_USER_TALK,
 406                                                 'wl_title'                      => $wluser->user_ip,
 407                                                 'wl_notificationtimestamp'      => '19700101000000'
 408                                                 ), 'updaters.inc::do_watchlist_update2'
 409                                         );
 410                         }
 411                 } else { # normal users ... have user_ids
 412                         $user->setID($wluser->user_id);
 413                         $wgDatabase->replace( 'watchlist',
 414                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 415                                   array('wl_user'                       => $user->getID(),
 416                                         'wl_namespace'                  => NS_USER_TALK,
 417                                         'wl_title'                      => $user->getName(),
 418                                         'wl_notificationtimestamp'      => '19700101000000'
 419                                         ), 'updaters.inc::do_watchlist_update3'
 420                                 );
 421                 }
 422         }
 423         echo "Done.\n";
 424 }
 425
 426
 427 function do_user_update() {
 428         global $wgDatabase;
 429         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 430                 echo "User table contains old email authentication field. Dropping... ";
 431                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 432                 echo "ok\n";
 433         } else {
 434                 echo "...user table does not contain old email authentication field.\n";
 435         }
 436 }
 437
 438 /**
 439  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 440  * which causes a collation mismatch error on joins in MySQL 4.1.
 441  */
 442 function do_logging_encoding() {
 443         global $wgDatabase, $wgDBtype;
 444         if ($wgDBtype != 'mysql')
 445                 return;
 446         $logging = $wgDatabase->tableName( 'logging' );
 447         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 448         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 449         $wgDatabase->freeResult( $res );
 450
 451         if( in_array( 'binary', $flags ) ) {
 452                 echo "Logging table has correct title encoding.\n";
 453         } else {
 454                 echo "Fixing title encoding on logging table... ";
 455                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 456                 echo "ok\n";
 457         }
 458 }
 459
 460 function do_schema_restructuring() {
 461         global $wgDatabase;
 462         $fname="do_schema_restructuring";
 463         if ( $wgDatabase->tableExists( 'page' ) ) {
 464                 echo "...page table already exists.\n";
 465         } else {
 466                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 467                 echo wfTimestamp( TS_DB );
 468                 echo "......checking for duplicate entries.\n"; flush();
 469
 470                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 471
 472                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 473                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 474
 475                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 476                         echo wfTimestamp( TS_DB );
 477                         echo "......<b>Found duplicate entries</b>\n";
 478                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 479                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 480                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 481                                         $duplicate[$row->cur_namespace] = array();
 482                                 }
 483                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 484                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 485                         }
 486                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 487                         $firstCond = true;
 488                         foreach ( $duplicate as $ns => $titles ) {
 489                                 if ( $firstCond ) {
 490                                         $firstCond = false;
 491                                 } else {
 492                                         $sql .= ' OR ';
 493                                 }
 494                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 495                                 $first = true;
 496                                 foreach ( $titles as $t ) {
 497                                         if ( $first ) {
 498                                                 $sql .= $wgDatabase->addQuotes( $t );
 499                                                 $first = false;
 500                                         } else {
 501                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 502                                         }
 503                                 }
 504                                 $sql .= ") ) \n";
 505                         }
 506                         # By sorting descending, the most recent entry will be the first in the list.
 507                         # All following entries will be deleted by the next while-loop.
 508                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 509
 510                         $rows = $wgDatabase->query( $sql, $fname );
 511
 512                         $prev_title = $prev_namespace = false;
 513                         $deleteId = array();
 514
 515                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 516                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 517                                         $deleteId[] = $row->cur_id;
 518                                 }
 519                                 $prev_title     = $row->cur_title;
 520                                 $prev_namespace = $row->cur_namespace;
 521                         }
 522                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 523                         $rows = $wgDatabase->query( $sql, $fname );
 524                         echo wfTimestamp( TS_DB );
 525                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 526                 }
 527
 528
 529                 echo wfTimestamp( TS_DB );
 530                 echo "......Creating tables.\n";
 531                 $wgDatabase->query("CREATE TABLE $page (
 532                         page_id int(8) unsigned NOT NULL auto_increment,
 533                         page_namespace int NOT NULL,
 534                         page_title varchar(255) binary NOT NULL,
 535                         page_restrictions tinyblob NOT NULL,
 536                         page_counter bigint(20) unsigned NOT NULL default '0',
 537                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 538                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 539                         page_random real unsigned NOT NULL,
 540                         page_touched char(14) binary NOT NULL default '',
 541                         page_latest int(8) unsigned NOT NULL,
 542                         page_len int(8) unsigned NOT NULL,
 543
 544                         PRIMARY KEY page_id (page_id),
 545                         UNIQUE INDEX name_title (page_namespace,page_title),
 546                         INDEX (page_random),
 547                         INDEX (page_len)
 548                         ) TYPE=InnoDB", $fname );
 549                 $wgDatabase->query("CREATE TABLE $revision (
 550                         rev_id int(8) unsigned NOT NULL auto_increment,
 551                         rev_page int(8) unsigned NOT NULL,
 552                         rev_comment tinyblob NOT NULL,
 553                         rev_user int(5) unsigned NOT NULL default '0',
 554                         rev_user_text varchar(255) binary NOT NULL default '',
 555                         rev_timestamp char(14) binary NOT NULL default '',
 556                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 557                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 558                         rev_len int(8) unsigned,
 559                         rev_parent_id int(8) unsigned default NULL,
 560                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 561                         UNIQUE INDEX rev_id (rev_id),
 562                         INDEX rev_timestamp (rev_timestamp),
 563                         INDEX page_timestamp (rev_page,rev_timestamp),
 564                         INDEX user_timestamp (rev_user,rev_timestamp),
 565                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 566                         ) TYPE=InnoDB", $fname );
 567
 568                 echo wfTimestamp( TS_DB );
 569                 echo "......Locking tables.\n";
 570                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 571
 572                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 573                 echo wfTimestamp( TS_DB );
 574                 echo "......maxold is {$maxold}\n";
 575
 576                 echo wfTimestamp( TS_DB );
 577                 global $wgLegacySchemaConversion;
 578                 if( $wgLegacySchemaConversion ) {
 579                         // Create HistoryBlobCurStub entries.
 580                         // Text will be pulled from the leftover 'cur' table at runtime.
 581                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 582                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 583                         $cur_flags = "'object'";
 584                 } else {
 585                         // Copy all cur text in immediately: this may take longer but avoids
 586                         // having to keep an extra table around.
 587                         echo "......Moving text from cur.\n";
 588                         $cur_text = 'cur_text';
 589                         $cur_flags = "''";
 590                 }
 591                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 592                                 old_timestamp, old_minor_edit, old_flags)
 593                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 594                         FROM $cur", $fname );
 595
 596                 echo wfTimestamp( TS_DB );
 597                 echo "......Setting up revision table.\n";
 598                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 599                                 rev_minor_edit)
 600                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 601                                 old_timestamp, old_minor_edit
 602                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 603
 604                 echo wfTimestamp( TS_DB );
 605                 echo "......Setting up page table.\n";
 606                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 607                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 608                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 609                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 610                         FROM $cur,$revision
 611                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 612
 613                 echo wfTimestamp( TS_DB );
 614                 echo "......Unlocking tables.\n";
 615                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 616
 617                 echo wfTimestamp( TS_DB );
 618                 echo "......Renaming old.\n";
 619                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 620
 621                 echo wfTimestamp( TS_DB );
 622                 echo "...done.\n";
 623         }
 624 }
 625
 626 function do_inverse_timestamp() {
 627         global $wgDatabase;
 628         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 629                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 630                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 631                 echo "ok\n";
 632         } else {
 633                 echo "revision timestamp indexes already up to 2005-03-13\n";
 634         }
 635 }
 636
 637 function do_text_id() {
 638         global $wgDatabase;
 639         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 640                 echo "...rev_text_id already in place.\n";
 641         } else {
 642                 echo "Adding rev_text_id field... ";
 643                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 644                 echo "ok\n";
 645         }
 646 }
 647
 648 function do_namespace_size() {
 649         $tables = array(
 650                 'page'          => 'page',
 651                 'archive'       => 'ar',
 652                 'recentchanges' => 'rc',
 653                 'watchlist'     => 'wl',
 654                 'querycache'    => 'qc',
 655                 'logging'       => 'log',
 656         );
 657         foreach( $tables as $table => $prefix ) {
 658                 do_namespace_size_on( $table, $prefix );
 659                 flush();
 660         }
 661 }
 662
 663 function do_namespace_size_on( $table, $prefix ) {
 664         global $wgDatabase, $wgDBtype;
 665         if ($wgDBtype != 'mysql')
 666                 return;
 667         $field = $prefix . '_namespace';
 668
 669         $tablename = $wgDatabase->tableName( $table );
 670         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 671         $info = $wgDatabase->fetchObject( $result );
 672         $wgDatabase->freeResult( $result );
 673
 674         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 675                 echo "...$field is already a full int ($info->Type).\n";
 676         } else {
 677                 echo "Promoting $field from $info->Type to int... ";
 678
 679                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 680                 $wgDatabase->query( $sql );
 681
 682                 echo "ok\n";
 683         }
 684 }
 685
 686 function do_pagelinks_update() {
 687         global $wgDatabase;
 688         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 689                 echo "...already have pagelinks table.\n";
 690         } else {
 691                 echo "Converting links and brokenlinks tables to pagelinks... ";
 692                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 693                 echo "ok\n";
 694                 flush();
 695
 696                 global $wgCanonicalNamespaceNames;
 697                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 698                         if( $ns != 0 ) {
 699                                 do_pagelinks_namespace( $ns );
 700                         }
 701                 }
 702         }
 703 }
 704
 705 function do_pagelinks_namespace( $namespace ) {
 706         global $wgDatabase, $wgContLang;
 707
 708         $ns = intval( $namespace );
 709         echo "Cleaning up broken links for namespace $ns... ";
 710
 711         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 712         $name = $wgContLang->getNsText( $ns );
 713         $prefix = $wgDatabase->strencode( $name );
 714         $likeprefix = str_replace( '_', '\\_', $prefix);
 715
 716         $sql = "UPDATE $pagelinks
 717                    SET pl_namespace=$ns,
 718                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 719                  WHERE pl_namespace=0
 720                    AND pl_title LIKE '$likeprefix:%'";
 721
 722         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 723         echo "ok\n";
 724 }
 725
 726 function do_drop_img_type() {
 727         global $wgDatabase;
 728
 729         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 730                 echo "Dropping unused img_type field in image table... ";
 731                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 732                 echo "ok\n";
 733         } else {
 734                 echo "No img_type field in image table; Good.\n";
 735         }
 736 }
 737
 738 function do_old_links_update() {
 739         global $wgDatabase;
 740         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 741                 echo "Already have pagelinks; skipping old links table updates.\n";
 742         } else {
 743                 convertLinks(); flush();
 744         }
 745 }
 746
 747 function do_user_unique_update() {
 748         global $wgDatabase;
 749         $duper = new UserDupes( $wgDatabase );
 750         if( $duper->hasUniqueIndex() ) {
 751                 echo "Already have unique user_name index.\n";
 752         } else {
 753                 if( !$duper->clearDupes() ) {
 754                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 755                 }
 756                 echo "Adding unique index on user_name... ";
 757                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 758                 echo "ok\n";
 759         }
 760 }
 761
 762 function do_user_groups_update() {
 763         $fname = 'do_user_groups_update';
 764         global $wgDatabase;
 765
 766         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 767                 echo "...user_groups table already exists.\n";
 768                 return do_user_groups_reformat();
 769         }
 770
 771         echo "Adding user_groups table... ";
 772         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 773         echo "ok\n";
 774
 775         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 776                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 777                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 778                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 779                         echo "ok\n";
 780                 } else {
 781                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 782                         echo "*** You may need to manually configure some sysops by manipulating\n";
 783                         echo "*** the user_groups table.\n";
 784                         return;
 785                 }
 786         }
 787
 788         echo "Converting user_rights table to user_groups... ";
 789         $result = $wgDatabase->select( 'user_rights',
 790                 array( 'ur_user', 'ur_rights' ),
 791                 array( "ur_rights != ''" ),
 792                 $fname );
 793
 794         while( $row = $wgDatabase->fetchObject( $result ) ) {
 795                 $groups = array_unique(
 796                         array_map( 'trim',
 797                                 explode( ',', $row->ur_rights ) ) );
 798
 799                 foreach( $groups as $group ) {
 800                         $wgDatabase->insert( 'user_groups',
 801                                 array(
 802                                         'ug_user'  => $row->ur_user,
 803                                         'ug_group' => $group ),
 804                                 $fname );
 805                 }
 806         }
 807         $wgDatabase->freeResult( $result );
 808         echo "ok\n";
 809 }
 810
 811 function do_user_groups_reformat() {
 812         # Check for bogus formats from previous 1.5 alpha code.
 813         global $wgDatabase;
 814         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 815
 816         if( $info->type() == 'int' ) {
 817                 $oldug = $wgDatabase->tableName( 'user_groups' );
 818                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 819                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 820                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 821                 echo "ok\n";
 822
 823                 echo "Re-adding fresh user_groups table... ";
 824                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 825                 echo "ok\n";
 826
 827                 echo "***\n";
 828                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 829                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 830                 echo "***\n";
 831         } else {
 832                 echo "...user_groups is in current format.\n";
 833         }
 834
 835 }
 836
 837 function do_watchlist_null() {
 838         # Make sure wl_notificationtimestamp can be NULL,
 839         # and update old broken items.
 840         global $wgDatabase;
 841         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 842
 843         if( !$info->nullable() ) {
 844                 echo "Making wl_notificationtimestamp nullable... ";
 845                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 846                 echo "ok\n";
 847         } else {
 848                 echo "...wl_notificationtimestamp is already nullable.\n";
 849         }
 850
 851 }
 852
 853 /**
 854  * @bug 3946
 855  */
 856 function do_page_random_update() {
 857         global $wgDatabase;
 858
 859         echo "Setting page_random to a random value on rows where it equals 0...";
 860
 861         $page = $wgDatabase->tableName( 'page' );
 862         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 863         $rows = $wgDatabase->affectedRows();
 864
 865         echo "changed $rows rows\n";
 866 }
 867
 868 function do_templatelinks_update() {
 869         global $wgDatabase, $wgLoadBalancer;
 870         $fname = 'do_templatelinks_update';
 871
 872         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 873                 echo "...templatelinks table already exists\n";
 874                 return;
 875         }
 876         echo "Creating templatelinks table...\n";
 877         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 878         echo "Populating...\n";
 879         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 880                 // Slow, replication-friendly update
 881                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 882                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 883                 $count = 0;
 884                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 885                         $count = ($count + 1) % 100;
 886                         if ( $count == 0 ) {
 887                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 888                                         wfWaitForSlaves( 10 );
 889                                 } else {
 890                                         sleep( 1 );
 891                                 }
 892                         }
 893                         $wgDatabase->insert( 'templatelinks',
 894                                 array(
 895                                         'tl_from' => $row->pl_from,
 896                                         'tl_namespace' => $row->pl_namespace,
 897                                         'tl_title' => $row->pl_title,
 898                                 ), $fname
 899                         );
 900
 901                 }
 902                 $wgDatabase->freeResult( $res );
 903         } else {
 904                 // Fast update
 905                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 906                         array(
 907                                 'tl_from' => 'pl_from',
 908                                 'tl_namespace' => 'pl_namespace',
 909                                 'tl_title' => 'pl_title'
 910                         ), array(
 911                                 'pl_namespace' => 10
 912                         ), $fname
 913                 );
 914         }
 915         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 916 }
 917
 918 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 919 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 920 function do_rc_indices_update() {
 921         global $wgDatabase;
 922         echo( "Checking for additional recent changes indices...\n" );
 923
 924         $indexes = array(
 925                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 926                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 927         );
 928
 929         foreach( $indexes as $index => $patch ) {
 930                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 931                 if( !$info ) {
 932                         echo( "...index `{$index}` not found; adding..." );
 933                         dbsource( archive( $patch ) );
 934                         echo( "done.\n" );
 935                 } else {
 936                         echo( "...index `{$index}` seems ok.\n" );
 937                 }
 938         }
 939 }
 940
 941 function index_has_field($table, $index, $field) {
 942         global $wgDatabase;
 943         echo( "Checking if $table index $index includes field $field...\n" );
 944         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 945         if( $info ) {
 946                 foreach($info as $row) {
 947                         if($row->Column_name == $field) {
 948                                 echo( "...index $index on table $table seems to be ok\n" );
 949                                 return true;
 950                         }
 951                 }
 952         }
 953         echo( "...index $index on table $table has no field $field; adding\n" );
 954         return false;
 955 }
 956
 957 function do_backlinking_indices_update() {
 958         echo( "Checking for backlinking indices...\n" );
 959         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 960                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 961                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 962         {
 963                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 964         }
 965 }
 966
 967 function do_categorylinks_indices_update() {
 968         echo( "Checking for categorylinks indices...\n" );
 969         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 970         {
 971                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 972         }
 973 }
 974
 975 function do_stats_init() {
 976         // Sometimes site_stats table is not properly populated.
 977         global $wgDatabase;
 978         echo "Checking site_stats row...";
 979         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 980         if( $row === false ) {
 981                 echo "data is missing! rebuilding...\n";
 982
 983                 global $IP;
 984                 require_once "$IP/maintenance/initStats.inc";
 985                 wfInitStats();
 986         } else {
 987                 echo "ok.\n";
 988         }
 989 }
 990
 991 function purge_cache() {
 992         global $wgDatabase;
 993         # We can't guarantee that the user will be able to use TRUNCATE,
 994         # but we know that DELETE is available to us
 995         echo( "Purging caches..." );
 996         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 997         echo( "done.\n" );
 998 }
 999
1000 function do_all_updates( $shared = false, $purge = true ) {
1001         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
1002
1003         wfRunHooks('LoadExtensionSchemaUpdates');
1004
1005         $doUser = !$wgSharedDB || $shared;
1006
1007         if ($wgDBtype === 'postgres') {
1008                 do_postgres_updates();
1009                 return;
1010         }
1011
1012         # Run core updates in sequence...
1013         global $wgMysqlUpdates;
1014         foreach( $wgMysqlUpdates as $params ) {
1015                 $func = array_shift( $params );
1016                 call_user_func_array( $func, $params );
1017                 flush();
1018         }
1019
1020         /// @fixme clean up this mess too!
1021         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1022         # Add missing extension tables
1023         foreach ( $wgExtNewTables as $tableRecord ) {
1024                 add_table( $tableRecord[0], $tableRecord[1], true );
1025                 flush();
1026         }
1027         # Add missing extension fields
1028         foreach ( $wgExtNewFields as $fieldRecord ) {
1029                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1030                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1031                 }
1032                 flush();
1033         }
1034         # Add missing extension indexes
1035         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1036                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1037                 flush();
1038         }
1039
1040
1041         echo "Deleting old default messages (this may take a long time!)..."; flush();
1042         deleteDefaultMessages();
1043         echo "Done\n"; flush();
1044
1045         do_stats_init(); flush();
1046
1047         if( $purge ) {
1048                 purge_cache();
1049                 flush();
1050         }
1051 }
1052
1053 function archive($name) {
1054         global $wgDBtype, $IP;
1055         switch ($wgDBtype) {
1056         case "postgres":
1057                 return "$IP/maintenance/postgres/archives/$name";
1058         default:
1059                 return "$IP/maintenance/archives/$name";
1060         }
1061 }
1062
1063 function do_restrictions_update() {
1064         # Adding page_restrictions table, obsoleting page.page_restrictions.
1065         #  Migrating old restrictions to new table
1066         # -- Andrew Garrett, January 2007.
1067
1068         global $wgDatabase;
1069
1070         $name = 'page_restrictions';
1071         $patch = 'patch-page_restrictions.sql';
1072         $patch2 = 'patch-page_restrictions_sortkey.sql';
1073
1074         if ( $wgDatabase->tableExists( $name ) ) {
1075                 echo "...$name table already exists.\n";
1076         } else {
1077                 echo "Creating $name table...";
1078                 dbsource( archive($patch), $wgDatabase );
1079                 dbsource( archive($patch2), $wgDatabase );
1080                 echo "ok\n";
1081
1082                 echo "Migrating old restrictions to new table...";
1083
1084                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1085
1086                 $count = 0;
1087
1088                 while ($row = $wgDatabase->fetchObject($res) ) {
1089                         $count = ($count + 1) % 100;
1090
1091                         if ($count == 0) {
1092                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1093                                         wfWaitForSlaves( 10 );
1094                                 } else {
1095                                         sleep( 1 );
1096                                 }
1097                         }
1098
1099                         # Figure out what the restrictions are..
1100                         $id = $row->page_id;
1101                         $flatrestrictions = explode( ':', $row->page_restrictions );
1102
1103                         $restrictions = array ();
1104                         foreach( $flatrestrictions as $restriction ) {
1105                                 $thisrestriction = explode( '=', $restriction, 2 );
1106                                 if( count( $thisrestriction ) == 1 ) {
1107                                         // Compatibility with old protections from before
1108                                         // separate move protection was added.
1109                                         list( $level ) = $thisrestriction;
1110                                         if( $level ) {
1111                                                 $restrictions['edit'] = $level;
1112                                                 $restrictions['move'] = $level;
1113                                         }
1114                                 } else {
1115                                         list( $type, $level ) = $thisrestriction;
1116                                         if( $level ) {
1117                                                 $restrictions[$type] = $level;
1118                                         }
1119                                 }
1120
1121                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1122
1123                         }
1124
1125                         foreach( $restrictions as $type => $level ) {
1126                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1127                                                                                         'pr_type' => $type,
1128                                                                                         'pr_level' => $level,
1129                                                                                         'pr_cascade' => 0,
1130                                                                                         'pr_expiry' => 'infinity' ),
1131                                                                                         __METHOD__ );
1132                         }
1133                 }
1134                 print "ok\n";
1135         }
1136 }
1137
1138 function
1139 pg_describe_table($table)
1140 {
1141 global  $wgDatabase, $wgDBmwschema;
1142         $q = <<<END
1143 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1144         WHERE pg_class.relnamespace = pg_namespace.oid
1145           AND attrelid=pg_class.oid AND attnum > 0
1146           AND relname=%s AND nspname=%s
1147 END;
1148         $res = $wgDatabase->query(sprintf($q,
1149                         $wgDatabase->addQuotes($table),
1150                         $wgDatabase->addQuotes($wgDBmwschema)));
1151         if (!$res)
1152                 return null;
1153
1154         $cols = array();
1155         while ($r = $wgDatabase->fetchRow($res)) {
1156                 $cols[] = array(
1157                                 "name" => $r[0],
1158                                 "ord" => $r[1],
1159                         );
1160         }
1161         return $cols;
1162 }
1163
1164 function
1165 pg_describe_index($idx)
1166 {
1167 global  $wgDatabase, $wgDBmwschema;
1168
1169         // first fetch the key (which is a list of columns ords) and
1170         // the table the index applies to (an oid)
1171         $q = <<<END
1172 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1173         WHERE nspname=%s
1174           AND pg_class.relnamespace = pg_namespace.oid
1175           AND relname=%s
1176           AND indexrelid=pg_class.oid
1177 END;
1178         $res = $wgDatabase->query(sprintf($q,
1179                         $wgDatabase->addQuotes($wgDBmwschema),
1180                         $wgDatabase->addQuotes($idx)));
1181         if (!$res)
1182                 return null;
1183         if (!($r = $wgDatabase->fetchRow($res))) {
1184                 $wgDatabase->freeResult($res);
1185                 return null;
1186         }
1187
1188         $indkey = $r[0];
1189         $relid = intval($r[1]);
1190         $indkeys = explode(" ", $indkey);
1191         $wgDatabase->freeResult($res);
1192
1193         $colnames = array();
1194         foreach ($indkeys as $rid) {
1195                 $query = <<<END
1196 SELECT attname FROM pg_class, pg_attribute
1197         WHERE attrelid=$relid
1198           AND attnum=%d
1199           AND attrelid=pg_class.oid
1200 END;
1201                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1202                 if (!$r2)
1203                         return null;
1204                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1205                         $wgDatabase->freeResult($r2);
1206                         return null;
1207                 }
1208                 $colnames[] = $row2[0];
1209                 $wgDatabase->freeResult($r2);
1210         }
1211
1212         return $colnames;
1213 }
1214
1215 function
1216 pg_index_exists($table, $index)
1217 {
1218 global  $wgDatabase, $wgDBmwschema;
1219         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1220                         array(  "indexname" => $index,
1221                                 "tablename" => $table,
1222                                 "schemaname" => $wgDBmwschema));
1223         return $exists === $index;
1224 }
1225
1226 function
1227 pg_fkey_deltype($fkey)
1228 {
1229 global  $wgDatabase, $wgDBmwschema;
1230         $q = <<<END
1231 SELECT confdeltype FROM pg_constraint, pg_namespace
1232         WHERE connamespace=pg_namespace.oid
1233           AND nspname=%s
1234           AND conname=%s;
1235 END;
1236         $r = $wgDatabase->query(sprintf($q,
1237                 $wgDatabase->addQuotes($wgDBmwschema),
1238                 $wgDatabase->addQuotes($fkey)));
1239         if (!($row = $wgDatabase->fetchRow($r)))
1240                 return null;
1241         return $row[0];
1242 }
1243
1244 function
1245 pg_rule_def($table, $rule)
1246 {
1247 global  $wgDatabase, $wgDBmwschema;
1248         $q = <<<END
1249 SELECT definition FROM pg_rules
1250         WHERE schemaname = %s
1251           AND tablename = %s
1252           AND rulename = %s
1253 END;
1254         $r = $wgDatabase->query(sprintf($q,
1255                         $wgDatabase->addQuotes($wgDBmwschema),
1256                         $wgDatabase->addQuotes($table),
1257                         $wgDatabase->addQuotes($rule)));
1258         $row = $wgDatabase->fetchRow($r);
1259         if (!$row)
1260                 return null;
1261         $d = $row[0];
1262         $wgDatabase->freeResult($r);
1263         return $d;
1264 }
1265
1266 function do_postgres_updates() {
1267         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1268
1269         ## Gather version numbers in case we need them
1270         $version = $wgDatabase->getServerVersion(); ## long string
1271         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1272
1273         $wgShowExceptionDetails = 1;
1274
1275         # Just in case their LocalSettings.php does not have this:
1276         if ( !isset( $wgDBmwschema ))
1277                 $wgDBmwschema = 'mediawiki';
1278
1279         # Verify that this user is configured correctly
1280         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1281         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1282         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1283         $conf = array();
1284         foreach( explode( '*', $config ) as $c ) {
1285                 list( $x,$y ) = explode( '=', $c );
1286                 $conf[$x] = $y;
1287         }
1288         $newpath = array();
1289         if( $wgDBmwschema === 'mediawiki' ) {
1290                 if (!array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1291                         echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1292                         $newpath[$wgDBmwschema] = 1;
1293                 }
1294         }
1295         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1296                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1297                 $newpath[$wgDBts2schema] = 1;
1298         }
1299         $searchpath = implode( ',', array_keys( $newpath ) );
1300         if( strlen( $searchpath ) ) {
1301                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1302                 $wgDatabase->doQuery( "SET search_path = $searchpath" );
1303         }
1304         else {
1305                 $path = $conf['search_path'];
1306                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1307         }
1308         $goodconf = array(
1309                 'client_min_messages' => 'error',
1310                 'DateStyle'           => 'ISO, YMD',
1311                 'TimeZone'            => 'GMT'
1312         );
1313         foreach( array_keys( $goodconf ) AS $key ) {
1314                 $value = $goodconf[$key];
1315                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1316                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1317                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1318                         $wgDatabase->doQuery( "SET $key = '$value'" );
1319                 }
1320                 else {
1321                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1322                 }
1323         }
1324
1325         $newsequences = array(
1326                 "log_log_id_seq",
1327                 "pr_id_val",
1328         );
1329
1330         $newtables = array(
1331                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1332                 array("mwuser",            "patch-mwuser.sql"),
1333                 array("pagecontent",       "patch-pagecontent.sql"),
1334                 array("querycachetwo",     "patch-querycachetwo.sql"),
1335                 array("page_props",        "patch-page_props.sql"),
1336                 array("page_restrictions", "patch-page_restrictions.sql"),
1337                 array("profiling",         "patch-profiling.sql"),
1338                 array("protected_titles",  "patch-protected_titles.sql"),
1339                 array("redirect",          "patch-redirect.sql"),
1340         );
1341
1342         $newcols = array(
1343                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1344                 array("archive",       "ar_len",               "INTEGER"),
1345                 array("archive",       "ar_page_id",           "INTEGER"),
1346                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1347                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1348                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1349                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1350                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1351                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1352                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1353                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1354                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1355                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1356                 array("logging",       "log_params",           "TEXT"),
1357                 array("mwuser",        "user_editcount",       "INTEGER"),
1358                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1359                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1360                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1361                 array("oldimage",      "oi_media_type",        "TEXT"),
1362                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1363                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1364                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1365                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1366                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1367                 array("recentchanges", "rc_log_action",        "TEXT"),
1368         array("recentchanges", "rc_log_type",          "TEXT"),
1369         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1370                 array("recentchanges", "rc_new_len",           "INTEGER"),
1371                 array("recentchanges", "rc_old_len",           "INTEGER"),
1372                 array("recentchanges", "rc_params",            "TEXT"),
1373                 array("revision",      "rev_len",              "INTEGER"),
1374                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1375         );
1376
1377
1378         # table, column, desired type, USING clause if needed (with new default if needed)
1379         $typechanges = array(
1380                 array("archive",      "ar_deleted",      "smallint", ""),
1381                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1382                 array("filearchive",  "fa_deleted",      "smallint", ""),
1383                 array("filearchive",  "fa_height",       "integer",  ""),
1384                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1385                 array("filearchive",  "fa_size",         "integer",  ""),
1386                 array("filearchive",  "fa_width",        "integer",  ""),
1387                 array("filearchive",  "fa_storage_group","text",     ""),
1388                 array("filearchive",  "fa_storage_key",  "text",     ""),
1389                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1390                 array("image",        "img_size",        "integer",  ""),
1391                 array("image",        "img_width",       "integer",  ""),
1392                 array("image",        "img_height",      "integer",  ""),
1393                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1394                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1395                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1396                 array("ipblocks",     "ipb_anon_only",        "smallint", "ipb_anon_only::smallint DEFAULT 0"),
1397                 array("ipblocks",     "ipb_create_account",        "smallint", "ipb_create_account::smallint DEFAULT 1"),
1398                 array("ipblocks",     "ipb_enable_autoblock",        "smallint", "ipb_enable_autoblock::smallint DEFAULT 1"),
1399                 array("ipblocks",     "ipb_block_email",        "smallint", "ipb_block_email::smallint DEFAULT 0"),
1400                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1401                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1402                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1403                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1404                 array("mwuser",       "user_token",      "text",     ""),
1405                 array("mwuser",       "user_email_token","text",     ""),
1406                 array("objectcache",  "keyname",         "text",     ""),
1407                 array("oldimage",     "oi_height",       "integer",  ""),
1408                 array("oldimage",     "oi_size",         "integer",  ""),
1409                 array("oldimage",     "oi_width",        "integer",  ""),
1410                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1411                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1412                 array("querycache",   "qc_value",        "integer",  ""),
1413                 array("querycachetwo","qcc_value",       "integer",  ""),
1414                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1415                 array("recentchanges","rc_deleted",      "smallint", ""),
1416                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1417                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1418                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1419                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1420                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1421                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1422                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1423         );
1424
1425         $newindexes = array(
1426                 array("archive",       "archive_user_text", "(ar_user_text)"),
1427                 array("image",         "img_sha1",          "(img_sha1)"),
1428                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1429                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1430         );
1431
1432         $newrules = array(
1433         );
1434
1435         foreach ($newsequences as $ns) {
1436                 if ($wgDatabase->sequenceExists($ns)) {
1437                         echo "... sequence \"$ns\" already exists\n";
1438                         continue;
1439                 }
1440
1441                 echo "Creating sequence \"$ns\"\n";
1442                 $wgDatabase->query("CREATE SEQUENCE $ns");
1443         }
1444
1445         foreach ($newtables as $nt) {
1446                 if ($wgDatabase->tableExists($nt[0])) {
1447                         echo "... table \"$nt[0]\" already exists\n";
1448                         continue;
1449                 }
1450
1451                 echo "Creating table \"$nt[0]\"\n";
1452                 dbsource(archive($nt[1]));
1453         }
1454
1455         ## Needed before newcols
1456         if ($wgDatabase->tableExists("archive2")) {
1457                 echo "Converting \"archive2\" back to normal archive table\n";
1458                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1459                         echo "Dropping rule \"archive_insert\"\n";
1460                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1461                 }
1462                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1463                         echo "Dropping rule \"archive_delete\"\n";
1464                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1465                 }
1466                 dbsource(archive("patch-remove-archive2.sql"));
1467         }
1468         else
1469                 echo "... obsolete table \"archive2\" does not exist\n";
1470
1471         foreach ($newcols as $nc) {
1472                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1473                 if (!is_null($fi)) {
1474                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1475                         continue;
1476                 }
1477
1478                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1479                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1480         }
1481
1482         foreach ($typechanges as $tc) {
1483                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1484                 if (is_null($fi)) {
1485                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1486                         exit(1);
1487                 }
1488
1489                 if ($fi->type() === $tc[2])
1490                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1491                 else {
1492                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1493                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1494                         if (strlen($tc[3])) {
1495                                 $default = array();
1496                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1497                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1498                                         $wgDatabase->query($sqldef);
1499                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1500                                 }
1501                                 $sql .= " USING $tc[3]";
1502                         }
1503                         $sql .= ";\nCOMMIT;\n";
1504                         $wgDatabase->query($sql);
1505                 }
1506         }
1507
1508         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1509                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1510                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1511                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1512                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1513         }
1514         else
1515                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1516
1517
1518         foreach ($newindexes as $ni) {
1519                 if (pg_index_exists($ni[0], $ni[1])) {
1520                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1521                         continue;
1522                 }
1523                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1524                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1525         }
1526
1527         foreach ($newrules as $nr) {
1528                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1529                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1530                         continue;
1531                 }
1532                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1533                 dbsource(archive($nr[2]));
1534         }
1535
1536         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1537                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1538                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1539                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1540                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1541         }
1542         else
1543                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1544
1545         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1546                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1547                 dbsource(archive('patch-page_deleted.sql'));
1548         }
1549         else
1550                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1551
1552         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1553         if (!$fi->nullable()) {
1554                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1555                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1556         }
1557         else
1558                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1559
1560         $pu = pg_describe_index("pagelink_unique");
1561         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1562                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1563                 $wgDatabase->query("DROP INDEX pagelink_unique");
1564                 $pu = null;
1565         }
1566         else
1567                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1568
1569         if (is_null($pu)) {
1570                 echo "Creating index \"pagelink_unique index\"\n";
1571                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1572         }
1573         else
1574                 echo "... index \"pagelink_unique_index\" aready exists\n";
1575
1576         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1577                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1578         }
1579         else {
1580                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1581                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1582         }
1583
1584         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1585         # Add missing extension tables
1586         foreach ( $wgExtNewTables as $nt ) {
1587                 if ($wgDatabase->tableExists($nt[0])) {
1588                         echo "... table \"$nt[0]\" already exists\n";
1589                         continue;
1590                 }
1591                 echo "Creating table \"$nt[0]\"\n";
1592                 dbsource($nt[1]);
1593         }
1594         # Add missing extension fields
1595         foreach ( $wgExtPGNewFields as $nc ) {
1596                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1597                 if (!is_null($fi)) {
1598                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1599                         continue;
1600                 }
1601                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1602                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1603         }
1604         # Add missing extension indexes
1605         foreach ( $wgExtNewIndexes as $ni ) {
1606                 if (pg_index_exists($ni[0], $ni[1])) {
1607                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1608                         continue;
1609                 }
1610                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1611                 dbsource($ni[2]);
1612         }
1613
1614         # Tweak the page_title tsearch2 trigger to filter out slashes
1615         # This is create or replace, so harmless to call if not needed
1616         dbsource(archive('patch-ts2pagetitle.sql'));
1617
1618         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1619         ## in case they have the old 'default' versions
1620         if ( $numver >= 8.3 )
1621                 dbsource(archive('patch-tsearch2funcs.sql'));
1622
1623         return;
1624 }