maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 require_once 'deleteDefaultMessages.php';
  15 # Extension updates
  16 require_once( "$IP/includes/Hooks.php" );
  17
  18 /**
  19  * List of update functions to call on a MySQL-based MediaWiki installation,
  20  * in sequence. First item is function name, rest are parameters to pass.
  21  */
  22 $wgMysqlUpdates = array(
  23         // 1.2
  24         // update_passwords obsolete
  25         array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  26         array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  27         array( 'do_interwiki_update' ),
  28         array( 'do_index_update' ),
  29         // do_linkscc_update obsolete
  30         array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  31         array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  32
  33         // 1.3
  34         array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  35         array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  36         array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  37         array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  38         // do_linkscc_1_3_update obsolete
  39         array( 'do_old_links_update' ),
  40         array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  41
  42         // 1.4
  43         array( 'do_image_name_unique_update' ),
  44         array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  45         array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  46         array( 'add_table', 'logging',                           'patch-logging.sql' ),
  47         // do_user_rights_update obsolete
  48         array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  49         // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  50         // user_groups, patch-userlevels.sql obsolete
  51         // do_group_update() obsolete
  52         array( 'do_watchlist_update' ),
  53         array( 'do_user_update' ),
  54         // do_copy_newtalk_to_watchlist obsolete
  55
  56         // 1.5
  57         array( 'do_schema_restructuring' ),
  58         array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  59         array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  60         array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  61         array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  62         array( 'do_inverse_timestamp' ),
  63         array( 'do_text_id' ),
  64         array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  65         array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  66         array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  67         array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  68         array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  69         array( 'do_namespace_size' ),
  70         array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  71         array( 'do_pagelinks_update' ),
  72         array( 'do_drop_img_type' ),
  73         array( 'do_user_unique_update' ),
  74         array( 'do_user_groups_update' ),
  75         array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  76         array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  77         array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  78         array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  79         array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  80
  81         // 1.6
  82         array( 'do_watchlist_null' ),
  83         // do_image_index_update obsolete
  84         array( 'do_logging_timestamp_index' ),
  85         array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  86         array( 'do_page_random_update' ),
  87         array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  88         array( 'do_templatelinks_update' ),
  89         array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  90         array( 'add_table', 'job',                                 'patch-job.sql' ),
  91         array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  92         array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  93         array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  94         array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  95         array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  96         array( 'do_rc_indices_update' ),
  97
  98         // 1.9
  99         array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 100         array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 101         array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 102         array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 103         array( 'do_backlinking_indices_update' ),
 104         array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 105         array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 106
 107         // 1.10
 108         array( 'do_restrictions_update' ),
 109         array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 110         array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 111         array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 112         array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 113         array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 114         array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 115         array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 116         array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 117         array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 118         array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 119
 120         // 1.11
 121         array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 122         array( 'do_categorylinks_indices_update' ),
 123         array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 124         array( 'do_archive_user_index' ),
 125         array( 'do_image_user_index' ),
 126         array( 'do_oldimage_user_index' ),
 127         array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 128         array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 129
 130         // 1.12
 131         array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 132
 133         // 1.13
 134         array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 135         array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 136         array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 137         array( 'add_table', 'category',                          'patch-category.sql' ),
 138         array( 'do_category_population' ),
 139         array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 140         array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 141         array( 'do_populate_parent_id' ),
 142         array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 143         array( 'maybe_do_profiling_memory_update' ),
 144         array( 'do_filearchive_indices_update' ),
 145         array( 'update_password_format' ),
 146
 147         // 1.14
 148         array( 'add_field', 'site_stats',    'ss_active_users',  'patch-ss_active_users.sql' ),
 149         array( 'do_active_users_init' ),
 150         array( 'add_field', 'logging',       'log_user_text',    'patch-log_user_text.sql' ),
 151 );
 152
 153
 154 # For extensions only, should be populated via hooks
 155 # $wgDBtype should be checked to specifiy the proper file
 156 $wgExtNewTables = array(); // table, dir
 157 $wgExtNewFields = array(); // table, column, dir
 158 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 159 $wgExtNewIndexes = array(); // table, index, dir
 160
 161 # Helper function: check if the given key is present in the updatelog table.
 162 # Obviously, only use this for updates that occur after the updatelog table was
 163 # created!
 164 function update_row_exists( $key ) {
 165         $dbr = wfGetDB( DB_SLAVE );
 166         $row = $dbr->selectRow(
 167                 'updatelog',
 168                 '1',
 169                 array( 'ul_key' => $key ),
 170                 __FUNCTION__
 171         );
 172         return (bool)$row;
 173 }
 174
 175 function rename_table( $from, $to, $patch ) {
 176         global $wgDatabase;
 177         if ( $wgDatabase->tableExists( $from ) ) {
 178                 if ( $wgDatabase->tableExists( $to ) ) {
 179                         echo "...can't move table $from to $to, $to already exists.\n";
 180                 } else {
 181                         echo "Moving table $from to $to...";
 182                         dbsource( archive($patch), $wgDatabase );
 183                         echo "ok\n";
 184                 }
 185         } else {
 186                 // Source table does not exist
 187                 // Renames are done before creations, so this is typical for a new installation
 188                 // Ignore silently
 189         }
 190 }
 191
 192 function add_table( $name, $patch, $fullpath=false ) {
 193         global $wgDatabase;
 194         if ( $wgDatabase->tableExists( $name ) ) {
 195                 echo "...$name table already exists.\n";
 196         } else {
 197                 echo "Creating $name table...";
 198                 if( $fullpath ) {
 199                         dbsource( $patch, $wgDatabase );
 200                 } else {
 201                         dbsource( archive($patch), $wgDatabase );
 202                 }
 203                 echo "ok\n";
 204         }
 205 }
 206
 207 function add_field( $table, $field, $patch, $fullpath=false ) {
 208         global $wgDatabase;
 209         if ( !$wgDatabase->tableExists( $table ) ) {
 210                 echo "...$table table does not exist, skipping new field patch\n";
 211         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 212                 echo "...have $field field in $table table.\n";
 213         } else {
 214                 echo "Adding $field field 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 add_index( $table, $index, $patch, $fullpath=false ) {
 225         global $wgDatabase;
 226         if( $wgDatabase->indexExists( $table, $index ) ) {
 227                 echo "...$index key already set on $table table.\n";
 228         } else {
 229                 echo "Adding $index key to table $table... ";
 230                 if( $fullpath ) {
 231                         dbsource( $patch, $wgDatabase );
 232                 } else {
 233                         dbsource( archive($patch), $wgDatabase );
 234                 }
 235                 echo "ok\n";
 236         }
 237 }
 238
 239 function do_revision_updates() {
 240         global $wgSoftwareRevision;
 241         if ( $wgSoftwareRevision < 1001 ) {
 242                 update_passwords();
 243         }
 244 }
 245
 246 function update_passwords() {
 247         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 248
 249         global $wgDatabase;
 250         $fname = "Update script: update_passwords()";
 251         print "\nIt appears that you need to update the user passwords in your\n" .
 252           "database. If you have already done this (if you've run this update\n" .
 253           "script once before, for example), doing so again will make all your\n" .
 254           "user accounts inaccessible, so be sure you only do this once.\n" .
 255           "Update user passwords? (yes/no)";
 256
 257         $resp = readconsole();
 258     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 259
 260         $sql = "SELECT user_id,user_password FROM user";
 261         $source = $wgDatabase->query( $sql, $fname );
 262
 263         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 264                 $id = $row->user_id;
 265                 $oldpass = $row->user_password;
 266                 $newpass = md5( "{$id}-{$oldpass}" );
 267
 268                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 269                   "WHERE user_id={$id}";
 270                 $wgDatabase->query( $sql, $fname );
 271         }
 272 }
 273
 274 function do_interwiki_update() {
 275         # Check that interwiki table exists; if it doesn't source it
 276         global $wgDatabase, $IP;
 277         if( $wgDatabase->tableExists( "interwiki" ) ) {
 278                 echo "...already have interwiki table\n";
 279                 return true;
 280         }
 281         echo "Creating interwiki table: ";
 282         dbsource( archive("patch-interwiki.sql") );
 283         echo "ok\n";
 284         echo "Adding default interwiki definitions: ";
 285         dbsource( "$IP/maintenance/interwiki.sql" );
 286         echo "ok\n";
 287 }
 288
 289 function do_index_update() {
 290         # Check that proper indexes are in place
 291         global $wgDatabase;
 292         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 293         if( !$meta->isMultipleKey() ) {
 294                 echo "Updating indexes to 20031107: ";
 295                 dbsource( archive("patch-indexes.sql") );
 296                 echo "ok\n";
 297                 return true;
 298         }
 299         echo "...indexes seem up to 20031107 standards\n";
 300         return false;
 301 }
 302
 303 function do_image_index_update() {
 304         global $wgDatabase;
 305
 306         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 307         if( !$meta->isMultipleKey() ) {
 308                 echo "Updating indexes to 20050912: ";
 309                 dbsource( archive("patch-mimesearch-indexes.sql") );
 310                 echo "ok\n";
 311                 return true;
 312         }
 313         echo "...indexes seem up to 20050912 standards\n";
 314         return false;
 315 }
 316
 317 function do_image_name_unique_update() {
 318         global $wgDatabase;
 319         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 320                 echo "...image primary key already set.\n";
 321         } else {
 322                 echo "Making img_name the primary key... ";
 323                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 324                 echo "ok\n";
 325         }
 326 }
 327
 328 function do_logging_timestamp_index() {
 329         global $wgDatabase;
 330         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 331                 echo "...timestamp key on logging already exists.\n";
 332         } else {
 333                 echo "Adding timestamp key on logging table... ";
 334                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 335                 echo "ok\n";
 336         }
 337 }
 338
 339 function do_archive_user_index() {
 340         global $wgDatabase;
 341         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 342                 echo "...usertext,timestamp key on archive already exists.\n";
 343         } else {
 344                 echo "Adding usertext,timestamp key on archive table... ";
 345                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 346                 echo "ok\n";
 347         }
 348 }
 349
 350 function do_image_user_index() {
 351         global $wgDatabase;
 352         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 353                 echo "...usertext,timestamp key on image already exists.\n";
 354         } else {
 355                 echo "Adding usertext,timestamp key on image table... ";
 356                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 357                 echo "ok\n";
 358         }
 359 }
 360
 361 function do_oldimage_user_index() {
 362         global $wgDatabase;
 363         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 364                 echo "...usertext,timestamp key on oldimage already exists.\n";
 365         } else {
 366                 echo "Adding usertext,timestamp key on oldimage table... ";
 367                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 368                 echo "ok\n";
 369         }
 370 }
 371
 372 function do_watchlist_update() {
 373         global $wgDatabase;
 374         $fname = 'do_watchlist_update';
 375         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 376                 echo "The watchlist table is already set up for email notification.\n";
 377         } else {
 378                 echo "Adding wl_notificationtimestamp field for email notification management.";
 379                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 380                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 381                 echo "ok\n";
 382         }
 383         # Check if we need to add talk page rows to the watchlist
 384         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 385         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 386         if ( $talk != $nontalk ) {
 387                 echo "Adding missing watchlist talk page rows... ";
 388                 flush();
 389
 390                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 391                         array(
 392                                 'wl_user' => 'wl_user',
 393                                 'wl_namespace' => 'wl_namespace | 1',
 394                                 'wl_title' => 'wl_title',
 395                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 396                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 397                 echo "ok\n";
 398         } else {
 399                 echo "...watchlist talk page rows already present\n";
 400         }
 401 }
 402
 403 function do_copy_newtalk_to_watchlist() {
 404         global $wgDatabase;
 405         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 406
 407         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 408                 $wgDatabase->tableName( 'user_newtalk' ) );
 409         $num_newtalks=$wgDatabase->numRows($res);
 410         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 411
 412         $user = new User();
 413         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 414                 $wluser = $wgDatabase->fetchObject( $res );
 415                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 416                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 417                                 $wgDatabase->replace( 'watchlist',
 418                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 419                                           array('wl_user'                       => 0,
 420                                                 'wl_namespace'                  => NS_USER_TALK,
 421                                                 'wl_title'                      => $wluser->user_ip,
 422                                                 'wl_notificationtimestamp'      => '19700101000000'
 423                                                 ), 'updaters.inc::do_watchlist_update2'
 424                                         );
 425                         }
 426                 } else { # normal users ... have user_ids
 427                         $user->setID($wluser->user_id);
 428                         $wgDatabase->replace( 'watchlist',
 429                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 430                                   array('wl_user'                       => $user->getID(),
 431                                         'wl_namespace'                  => NS_USER_TALK,
 432                                         'wl_title'                      => $user->getName(),
 433                                         'wl_notificationtimestamp'      => '19700101000000'
 434                                         ), 'updaters.inc::do_watchlist_update3'
 435                                 );
 436                 }
 437         }
 438         echo "Done.\n";
 439 }
 440
 441
 442 function do_user_update() {
 443         global $wgDatabase;
 444         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 445                 echo "User table contains old email authentication field. Dropping... ";
 446                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 447                 echo "ok\n";
 448         } else {
 449                 echo "...user table does not contain old email authentication field.\n";
 450         }
 451 }
 452
 453 /**
 454  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 455  * which causes a collation mismatch error on joins in MySQL 4.1.
 456  */
 457 function check_bin( $table, $field, $patchFile ) {
 458         global $wgDatabase, $wgDBtype;
 459         if ($wgDBtype != 'mysql')
 460                 return;
 461         $tableName = $wgDatabase->tableName( $table );
 462         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 463         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 464         $wgDatabase->freeResult( $res );
 465
 466         if( in_array( 'binary', $flags ) ) {
 467                 echo "$table table has correct $field encoding.\n";
 468         } else {
 469                 echo "Fixing $field encoding on $table table... ";
 470                 dbsource( archive( $patchFile ), $wgDatabase );
 471                 echo "ok\n";
 472         }
 473 }
 474
 475 function do_schema_restructuring() {
 476         global $wgDatabase;
 477         $fname="do_schema_restructuring";
 478         if ( $wgDatabase->tableExists( 'page' ) ) {
 479                 echo "...page table already exists.\n";
 480         } else {
 481                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 482                 echo wfTimestamp( TS_DB );
 483                 echo "......checking for duplicate entries.\n"; flush();
 484
 485                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 486
 487                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 488                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 489
 490                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 491                         echo wfTimestamp( TS_DB );
 492                         echo "......<b>Found duplicate entries</b>\n";
 493                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 494                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 495                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 496                                         $duplicate[$row->cur_namespace] = array();
 497                                 }
 498                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 499                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 500                         }
 501                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 502                         $firstCond = true;
 503                         foreach ( $duplicate as $ns => $titles ) {
 504                                 if ( $firstCond ) {
 505                                         $firstCond = false;
 506                                 } else {
 507                                         $sql .= ' OR ';
 508                                 }
 509                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 510                                 $first = true;
 511                                 foreach ( $titles as $t ) {
 512                                         if ( $first ) {
 513                                                 $sql .= $wgDatabase->addQuotes( $t );
 514                                                 $first = false;
 515                                         } else {
 516                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 517                                         }
 518                                 }
 519                                 $sql .= ") ) \n";
 520                         }
 521                         # By sorting descending, the most recent entry will be the first in the list.
 522                         # All following entries will be deleted by the next while-loop.
 523                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 524
 525                         $rows = $wgDatabase->query( $sql, $fname );
 526
 527                         $prev_title = $prev_namespace = false;
 528                         $deleteId = array();
 529
 530                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 531                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 532                                         $deleteId[] = $row->cur_id;
 533                                 }
 534                                 $prev_title     = $row->cur_title;
 535                                 $prev_namespace = $row->cur_namespace;
 536                         }
 537                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 538                         $rows = $wgDatabase->query( $sql, $fname );
 539                         echo wfTimestamp( TS_DB );
 540                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 541                 }
 542
 543
 544                 echo wfTimestamp( TS_DB );
 545                 echo "......Creating tables.\n";
 546                 $wgDatabase->query("CREATE TABLE $page (
 547                         page_id int(8) unsigned NOT NULL auto_increment,
 548                         page_namespace int NOT NULL,
 549                         page_title varchar(255) binary NOT NULL,
 550                         page_restrictions tinyblob NOT NULL,
 551                         page_counter bigint(20) unsigned NOT NULL default '0',
 552                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 553                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 554                         page_random real unsigned NOT NULL,
 555                         page_touched char(14) binary NOT NULL default '',
 556                         page_latest int(8) unsigned NOT NULL,
 557                         page_len int(8) unsigned NOT NULL,
 558
 559                         PRIMARY KEY page_id (page_id),
 560                         UNIQUE INDEX name_title (page_namespace,page_title),
 561                         INDEX (page_random),
 562                         INDEX (page_len)
 563                         ) ENGINE=InnoDB", $fname );
 564                 $wgDatabase->query("CREATE TABLE $revision (
 565                         rev_id int(8) unsigned NOT NULL auto_increment,
 566                         rev_page int(8) unsigned NOT NULL,
 567                         rev_comment tinyblob NOT NULL,
 568                         rev_user int(5) unsigned NOT NULL default '0',
 569                         rev_user_text varchar(255) binary NOT NULL default '',
 570                         rev_timestamp char(14) binary NOT NULL default '',
 571                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 572                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 573                         rev_len int(8) unsigned,
 574                         rev_parent_id int(8) unsigned default NULL,
 575                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 576                         UNIQUE INDEX rev_id (rev_id),
 577                         INDEX rev_timestamp (rev_timestamp),
 578                         INDEX page_timestamp (rev_page,rev_timestamp),
 579                         INDEX user_timestamp (rev_user,rev_timestamp),
 580                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 581                         ) ENGINE=InnoDB", $fname );
 582
 583                 echo wfTimestamp( TS_DB );
 584                 echo "......Locking tables.\n";
 585                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 586
 587                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 588                 echo wfTimestamp( TS_DB );
 589                 echo "......maxold is {$maxold}\n";
 590
 591                 echo wfTimestamp( TS_DB );
 592                 global $wgLegacySchemaConversion;
 593                 if( $wgLegacySchemaConversion ) {
 594                         // Create HistoryBlobCurStub entries.
 595                         // Text will be pulled from the leftover 'cur' table at runtime.
 596                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 597                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 598                         $cur_flags = "'object'";
 599                 } else {
 600                         // Copy all cur text in immediately: this may take longer but avoids
 601                         // having to keep an extra table around.
 602                         echo "......Moving text from cur.\n";
 603                         $cur_text = 'cur_text';
 604                         $cur_flags = "''";
 605                 }
 606                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 607                                 old_timestamp, old_minor_edit, old_flags)
 608                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 609                         FROM $cur", $fname );
 610
 611                 echo wfTimestamp( TS_DB );
 612                 echo "......Setting up revision table.\n";
 613                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 614                                 rev_minor_edit)
 615                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 616                                 old_timestamp, old_minor_edit
 617                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 618
 619                 echo wfTimestamp( TS_DB );
 620                 echo "......Setting up page table.\n";
 621                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 622                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 623                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 624                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 625                         FROM $cur,$revision
 626                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 627
 628                 echo wfTimestamp( TS_DB );
 629                 echo "......Unlocking tables.\n";
 630                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 631
 632                 echo wfTimestamp( TS_DB );
 633                 echo "......Renaming old.\n";
 634                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 635
 636                 echo wfTimestamp( TS_DB );
 637                 echo "...done.\n";
 638         }
 639 }
 640
 641 function do_inverse_timestamp() {
 642         global $wgDatabase;
 643         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 644                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 645                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 646                 echo "ok\n";
 647         } else {
 648                 echo "revision timestamp indexes already up to 2005-03-13\n";
 649         }
 650 }
 651
 652 function do_text_id() {
 653         global $wgDatabase;
 654         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 655                 echo "...rev_text_id already in place.\n";
 656         } else {
 657                 echo "Adding rev_text_id field... ";
 658                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 659                 echo "ok\n";
 660         }
 661 }
 662
 663 function do_namespace_size() {
 664         $tables = array(
 665                 'page'          => 'page',
 666                 'archive'       => 'ar',
 667                 'recentchanges' => 'rc',
 668                 'watchlist'     => 'wl',
 669                 'querycache'    => 'qc',
 670                 'logging'       => 'log',
 671         );
 672         foreach( $tables as $table => $prefix ) {
 673                 do_namespace_size_on( $table, $prefix );
 674                 flush();
 675         }
 676 }
 677
 678 function do_namespace_size_on( $table, $prefix ) {
 679         global $wgDatabase, $wgDBtype;
 680         if ($wgDBtype != 'mysql')
 681                 return;
 682         $field = $prefix . '_namespace';
 683
 684         $tablename = $wgDatabase->tableName( $table );
 685         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 686         $info = $wgDatabase->fetchObject( $result );
 687         $wgDatabase->freeResult( $result );
 688
 689         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 690                 echo "...$field is already a full int ($info->Type).\n";
 691         } else {
 692                 echo "Promoting $field from $info->Type to int... ";
 693
 694                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 695                 $wgDatabase->query( $sql );
 696
 697                 echo "ok\n";
 698         }
 699 }
 700
 701 function do_pagelinks_update() {
 702         global $wgDatabase;
 703         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 704                 echo "...already have pagelinks table.\n";
 705         } else {
 706                 echo "Converting links and brokenlinks tables to pagelinks... ";
 707                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 708                 echo "ok\n";
 709                 flush();
 710
 711                 global $wgCanonicalNamespaceNames;
 712                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 713                         if( $ns != 0 ) {
 714                                 do_pagelinks_namespace( $ns );
 715                         }
 716                 }
 717         }
 718 }
 719
 720 function do_pagelinks_namespace( $namespace ) {
 721         global $wgDatabase, $wgContLang;
 722
 723         $ns = intval( $namespace );
 724         echo "Cleaning up broken links for namespace $ns... ";
 725
 726         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 727         $name = $wgContLang->getNsText( $ns );
 728         $prefix = $wgDatabase->strencode( $name );
 729         $likeprefix = str_replace( '_', '\\_', $prefix);
 730
 731         $sql = "UPDATE $pagelinks
 732                    SET pl_namespace=$ns,
 733                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 734                  WHERE pl_namespace=0
 735                    AND pl_title LIKE '$likeprefix:%'";
 736
 737         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 738         echo "ok\n";
 739 }
 740
 741 function do_drop_img_type() {
 742         global $wgDatabase;
 743
 744         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 745                 echo "Dropping unused img_type field in image table... ";
 746                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 747                 echo "ok\n";
 748         } else {
 749                 echo "No img_type field in image table; Good.\n";
 750         }
 751 }
 752
 753 function do_old_links_update() {
 754         global $wgDatabase;
 755         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 756                 echo "Already have pagelinks; skipping old links table updates.\n";
 757         } else {
 758                 convertLinks(); flush();
 759         }
 760 }
 761
 762 function do_user_unique_update() {
 763         global $wgDatabase;
 764         $duper = new UserDupes( $wgDatabase );
 765         if( $duper->hasUniqueIndex() ) {
 766                 echo "Already have unique user_name index.\n";
 767         } else {
 768                 if( !$duper->clearDupes() ) {
 769                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 770                 }
 771                 echo "Adding unique index on user_name... ";
 772                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 773                 echo "ok\n";
 774         }
 775 }
 776
 777 function do_user_groups_update() {
 778         $fname = 'do_user_groups_update';
 779         global $wgDatabase;
 780
 781         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 782                 echo "...user_groups table already exists.\n";
 783                 return do_user_groups_reformat();
 784         }
 785
 786         echo "Adding user_groups table... ";
 787         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 788         echo "ok\n";
 789
 790         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 791                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 792                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 793                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 794                         echo "ok\n";
 795                 } else {
 796                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 797                         echo "*** You may need to manually configure some sysops by manipulating\n";
 798                         echo "*** the user_groups table.\n";
 799                         return;
 800                 }
 801         }
 802
 803         echo "Converting user_rights table to user_groups... ";
 804         $result = $wgDatabase->select( 'user_rights',
 805                 array( 'ur_user', 'ur_rights' ),
 806                 array( "ur_rights != ''" ),
 807                 $fname );
 808
 809         while( $row = $wgDatabase->fetchObject( $result ) ) {
 810                 $groups = array_unique(
 811                         array_map( 'trim',
 812                                 explode( ',', $row->ur_rights ) ) );
 813
 814                 foreach( $groups as $group ) {
 815                         $wgDatabase->insert( 'user_groups',
 816                                 array(
 817                                         'ug_user'  => $row->ur_user,
 818                                         'ug_group' => $group ),
 819                                 $fname );
 820                 }
 821         }
 822         $wgDatabase->freeResult( $result );
 823         echo "ok\n";
 824 }
 825
 826 function do_user_groups_reformat() {
 827         # Check for bogus formats from previous 1.5 alpha code.
 828         global $wgDatabase;
 829         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 830
 831         if( $info->type() == 'int' ) {
 832                 $oldug = $wgDatabase->tableName( 'user_groups' );
 833                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 834                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 835                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 836                 echo "ok\n";
 837
 838                 echo "Re-adding fresh user_groups table... ";
 839                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 840                 echo "ok\n";
 841
 842                 echo "***\n";
 843                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 844                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 845                 echo "***\n";
 846         } else {
 847                 echo "...user_groups is in current format.\n";
 848         }
 849
 850 }
 851
 852 function do_watchlist_null() {
 853         # Make sure wl_notificationtimestamp can be NULL,
 854         # and update old broken items.
 855         global $wgDatabase;
 856         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 857
 858         if( !$info->nullable() ) {
 859                 echo "Making wl_notificationtimestamp nullable... ";
 860                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 861                 echo "ok\n";
 862         } else {
 863                 echo "...wl_notificationtimestamp is already nullable.\n";
 864         }
 865
 866 }
 867
 868 /**
 869  * @bug 3946
 870  */
 871 function do_page_random_update() {
 872         global $wgDatabase;
 873
 874         echo "Setting page_random to a random value on rows where it equals 0...";
 875
 876         $page = $wgDatabase->tableName( 'page' );
 877         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 878         $rows = $wgDatabase->affectedRows();
 879
 880         echo "changed $rows rows\n";
 881 }
 882
 883 function do_templatelinks_update() {
 884         global $wgDatabase, $wgLoadBalancer;
 885         $fname = 'do_templatelinks_update';
 886
 887         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 888                 echo "...templatelinks table already exists\n";
 889                 return;
 890         }
 891         echo "Creating templatelinks table...\n";
 892         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 893         echo "Populating...\n";
 894         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 895                 // Slow, replication-friendly update
 896                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 897                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 898                 $count = 0;
 899                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 900                         $count = ($count + 1) % 100;
 901                         if ( $count == 0 ) {
 902                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 903                                         wfWaitForSlaves( 10 );
 904                                 } else {
 905                                         sleep( 1 );
 906                                 }
 907                         }
 908                         $wgDatabase->insert( 'templatelinks',
 909                                 array(
 910                                         'tl_from' => $row->pl_from,
 911                                         'tl_namespace' => $row->pl_namespace,
 912                                         'tl_title' => $row->pl_title,
 913                                 ), $fname
 914                         );
 915
 916                 }
 917                 $wgDatabase->freeResult( $res );
 918         } else {
 919                 // Fast update
 920                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 921                         array(
 922                                 'tl_from' => 'pl_from',
 923                                 'tl_namespace' => 'pl_namespace',
 924                                 'tl_title' => 'pl_title'
 925                         ), array(
 926                                 'pl_namespace' => 10
 927                         ), $fname
 928                 );
 929         }
 930         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 931 }
 932
 933 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 934 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 935 function do_rc_indices_update() {
 936         global $wgDatabase;
 937         echo( "Checking for additional recent changes indices...\n" );
 938
 939         $indexes = array(
 940                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 941                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 942         );
 943
 944         foreach( $indexes as $index => $patch ) {
 945                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 946                 if( !$info ) {
 947                         echo( "...index `{$index}` not found; adding..." );
 948                         dbsource( archive( $patch ) );
 949                         echo( "done.\n" );
 950                 } else {
 951                         echo( "...index `{$index}` seems ok.\n" );
 952                 }
 953         }
 954 }
 955
 956 function index_has_field($table, $index, $field) {
 957         global $wgDatabase;
 958         echo( "Checking if $table index $index includes field $field...\n" );
 959         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 960         if( $info ) {
 961                 foreach($info as $row) {
 962                         if($row->Column_name == $field) {
 963                                 echo( "...index $index on table $table seems to be ok\n" );
 964                                 return true;
 965                         }
 966                 }
 967         }
 968         echo( "...index $index on table $table has no field $field; adding\n" );
 969         return false;
 970 }
 971
 972 function do_backlinking_indices_update() {
 973         echo( "Checking for backlinking indices...\n" );
 974         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 975                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 976                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 977         {
 978                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 979                 echo( "...backlinking indices updated\n" );
 980         }
 981 }
 982
 983 function do_categorylinks_indices_update() {
 984         echo( "Checking for categorylinks indices...\n" );
 985         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 986         {
 987                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 988                 echo( "...categorylinks indices updated\n" );
 989         }
 990 }
 991
 992 function do_filearchive_indices_update() {
 993         global $wgDatabase;
 994         echo( "Checking filearchive indices...\n" );
 995         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 996         if ( !$info )
 997         {
 998                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
 999                 echo( "...filearchive indices updated\n" );
1000         }
1001 }
1002
1003 function maybe_do_profiling_memory_update() {
1004         global $wgDatabase;
1005         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1006                 // Simply ignore
1007         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1008                 echo "profiling table has pf_memory field.\n";
1009         } else {
1010                 echo "Adding pf_memory field to table profiling...";
1011                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1012                 echo "ok\n";
1013         }
1014 }
1015
1016 function do_stats_init() {
1017         // Sometimes site_stats table is not properly populated.
1018         global $wgDatabase;
1019         echo "Checking site_stats row...";
1020         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1021         if( $row === false ) {
1022                 echo "data is missing! rebuilding...\n";
1023
1024                 global $IP;
1025                 require_once "$IP/maintenance/initStats.inc";
1026                 wfInitStats();
1027         } else {
1028                 echo "ok.\n";
1029         }
1030 }
1031
1032 function do_active_users_init() {
1033         global $wgDatabase;
1034         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1035         if( $activeUsers == -1 ) {
1036                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1037                         'COUNT( DISTINCT rc_user_text )',
1038                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1039                 );
1040                 $wgDatabase->update( 'site_stats',
1041                         array( 'ss_active_users' => intval($activeUsers) ),
1042                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1043                 );
1044         }
1045         echo( "...ss_active_users user count set...\n" );
1046 }
1047
1048 function purge_cache() {
1049         global $wgDatabase;
1050         # We can't guarantee that the user will be able to use TRUNCATE,
1051         # but we know that DELETE is available to us
1052         echo( "Purging caches..." );
1053         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1054         echo( "done.\n" );
1055 }
1056
1057 function do_all_updates( $shared = false, $purge = true ) {
1058         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1059
1060         wfRunHooks('LoadExtensionSchemaUpdates');
1061
1062         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1063
1064         if ($wgDBtype === 'postgres') {
1065                 do_postgres_updates();
1066                 return;
1067         }
1068
1069         # Run core updates in sequence...
1070         global $wgMysqlUpdates;
1071         foreach( $wgMysqlUpdates as $params ) {
1072                 $func = array_shift( $params );
1073                 call_user_func_array( $func, $params );
1074                 flush();
1075         }
1076
1077         /// @fixme clean up this mess too!
1078         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1079         # Add missing extension tables
1080         foreach ( $wgExtNewTables as $tableRecord ) {
1081                 add_table( $tableRecord[0], $tableRecord[1], true );
1082                 flush();
1083         }
1084         # Add missing extension fields
1085         foreach ( $wgExtNewFields as $fieldRecord ) {
1086                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1087                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1088                 }
1089                 flush();
1090         }
1091         # Add missing extension indexes
1092         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1093                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1094                 flush();
1095         }
1096
1097
1098         echo "Deleting old default messages (this may take a long time!)..."; flush();
1099         deleteDefaultMessages();
1100         echo "Done\n"; flush();
1101
1102         do_stats_init(); flush();
1103
1104         if( $purge ) {
1105                 purge_cache();
1106                 flush();
1107         }
1108 }
1109
1110 function archive($name) {
1111         global $wgDBtype, $IP;
1112         switch ($wgDBtype) {
1113         case "postgres":
1114                 return "$IP/maintenance/postgres/archives/$name";
1115         default:
1116                 return "$IP/maintenance/archives/$name";
1117         }
1118 }
1119
1120 function do_restrictions_update() {
1121         # Adding page_restrictions table, obsoleting page.page_restrictions.
1122         #  Migrating old restrictions to new table
1123         # -- Andrew Garrett, January 2007.
1124
1125         global $wgDatabase;
1126
1127         $name = 'page_restrictions';
1128         $patch = 'patch-page_restrictions.sql';
1129         $patch2 = 'patch-page_restrictions_sortkey.sql';
1130
1131         if ( $wgDatabase->tableExists( $name ) ) {
1132                 echo "...$name table already exists.\n";
1133         } else {
1134                 echo "Creating $name table...";
1135                 dbsource( archive($patch), $wgDatabase );
1136                 dbsource( archive($patch2), $wgDatabase );
1137                 echo "ok\n";
1138
1139                 echo "Migrating old restrictions to new table...";
1140
1141                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1142
1143                 $count = 0;
1144
1145                 while ($row = $wgDatabase->fetchObject($res) ) {
1146                         $count = ($count + 1) % 100;
1147
1148                         if ($count == 0) {
1149                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1150                                         wfWaitForSlaves( 10 );
1151                                 } else {
1152                                         sleep( 1 );
1153                                 }
1154                         }
1155
1156                         # Figure out what the restrictions are..
1157                         $id = $row->page_id;
1158                         $flatrestrictions = explode( ':', $row->page_restrictions );
1159
1160                         $restrictions = array ();
1161                         foreach( $flatrestrictions as $restriction ) {
1162                                 $thisrestriction = explode( '=', $restriction, 2 );
1163                                 if( count( $thisrestriction ) == 1 ) {
1164                                         // Compatibility with old protections from before
1165                                         // separate move protection was added.
1166                                         list( $level ) = $thisrestriction;
1167                                         if( $level ) {
1168                                                 $restrictions['edit'] = $level;
1169                                                 $restrictions['move'] = $level;
1170                                         }
1171                                 } else {
1172                                         list( $type, $level ) = $thisrestriction;
1173                                         if( $level ) {
1174                                                 $restrictions[$type] = $level;
1175                                         }
1176                                 }
1177
1178                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1179
1180                         }
1181
1182                         foreach( $restrictions as $type => $level ) {
1183                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1184                                                                                         'pr_type' => $type,
1185                                                                                         'pr_level' => $level,
1186                                                                                         'pr_cascade' => 0,
1187                                                                                         'pr_expiry' => 'infinity' ),
1188                                                                                         __METHOD__ );
1189                         }
1190                 }
1191                 print "ok\n";
1192         }
1193 }
1194
1195 function do_category_population() {
1196         if( update_row_exists( 'populate category' ) ) {
1197                 echo "...category table already populated.\n";
1198                 return;
1199         }
1200         require_once( 'populateCategory.inc' );
1201         echo "Populating category table, printing progress markers.  ".
1202 "For large databases, you\n".
1203 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1204 "populateCategory.php.\n";
1205         populateCategory( '', 10, 0, true );
1206         echo "Done populating category table.\n";
1207 }
1208
1209 function do_populate_parent_id() {
1210         if( update_row_exists( 'populate rev_parent_id' ) ) {
1211                 echo "...rev_parent_id column already populated.\n";
1212                 return;
1213         }
1214         require_once( 'populateParentId.inc' );
1215
1216         global $wgDatabase;
1217         populate_rev_parent_id( $wgDatabase );
1218 }
1219
1220 function update_password_format() {
1221         if ( update_row_exists( 'password format' ) ) {
1222                 echo "...password hash format already changed\n";
1223                 return;
1224         }
1225
1226         echo "Updating password hash format...";
1227
1228         global $wgDatabase, $wgPasswordSalt;
1229         $user = $wgDatabase->tableName( 'user' );
1230         if ( $wgPasswordSalt ) {
1231                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1232                         "WHERE user_password NOT LIKE ':%'";
1233         } else {
1234                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1235                         "WHERE user_password NOT LIKE ':%'";
1236         }
1237         $wgDatabase->query( $sql, __METHOD__ );
1238         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1239
1240         echo "done\n";
1241 }
1242
1243 function
1244 pg_describe_table($table)
1245 {
1246 global  $wgDatabase, $wgDBmwschema;
1247         $q = <<<END
1248 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1249         WHERE pg_class.relnamespace = pg_namespace.oid
1250           AND attrelid=pg_class.oid AND attnum > 0
1251           AND relname=%s AND nspname=%s
1252 END;
1253         $res = $wgDatabase->query(sprintf($q,
1254                         $wgDatabase->addQuotes($table),
1255                         $wgDatabase->addQuotes($wgDBmwschema)));
1256         if (!$res)
1257                 return null;
1258
1259         $cols = array();
1260         while ($r = $wgDatabase->fetchRow($res)) {
1261                 $cols[] = array(
1262                                 "name" => $r[0],
1263                                 "ord" => $r[1],
1264                         );
1265         }
1266         return $cols;
1267 }
1268
1269 function
1270 pg_describe_index($idx)
1271 {
1272 global  $wgDatabase, $wgDBmwschema;
1273
1274         // first fetch the key (which is a list of columns ords) and
1275         // the table the index applies to (an oid)
1276         $q = <<<END
1277 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1278         WHERE nspname=%s
1279           AND pg_class.relnamespace = pg_namespace.oid
1280           AND relname=%s
1281           AND indexrelid=pg_class.oid
1282 END;
1283         $res = $wgDatabase->query(sprintf($q,
1284                         $wgDatabase->addQuotes($wgDBmwschema),
1285                         $wgDatabase->addQuotes($idx)));
1286         if (!$res)
1287                 return null;
1288         if (!($r = $wgDatabase->fetchRow($res))) {
1289                 $wgDatabase->freeResult($res);
1290                 return null;
1291         }
1292
1293         $indkey = $r[0];
1294         $relid = intval($r[1]);
1295         $indkeys = explode(" ", $indkey);
1296         $wgDatabase->freeResult($res);
1297
1298         $colnames = array();
1299         foreach ($indkeys as $rid) {
1300                 $query = <<<END
1301 SELECT attname FROM pg_class, pg_attribute
1302         WHERE attrelid=$relid
1303           AND attnum=%d
1304           AND attrelid=pg_class.oid
1305 END;
1306                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1307                 if (!$r2)
1308                         return null;
1309                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1310                         $wgDatabase->freeResult($r2);
1311                         return null;
1312                 }
1313                 $colnames[] = $row2[0];
1314                 $wgDatabase->freeResult($r2);
1315         }
1316
1317         return $colnames;
1318 }
1319
1320 function
1321 pg_index_exists($table, $index)
1322 {
1323 global  $wgDatabase, $wgDBmwschema;
1324         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1325                         array(  "indexname" => $index,
1326                                 "tablename" => $table,
1327                                 "schemaname" => $wgDBmwschema));
1328         return $exists === $index;
1329 }
1330
1331 function
1332 pg_fkey_deltype($fkey)
1333 {
1334 global  $wgDatabase, $wgDBmwschema;
1335         $q = <<<END
1336 SELECT confdeltype FROM pg_constraint, pg_namespace
1337         WHERE connamespace=pg_namespace.oid
1338           AND nspname=%s
1339           AND conname=%s;
1340 END;
1341         $r = $wgDatabase->query(sprintf($q,
1342                 $wgDatabase->addQuotes($wgDBmwschema),
1343                 $wgDatabase->addQuotes($fkey)));
1344         if (!($row = $wgDatabase->fetchRow($r)))
1345                 return null;
1346         return $row[0];
1347 }
1348
1349 function
1350 pg_rule_def($table, $rule)
1351 {
1352 global  $wgDatabase, $wgDBmwschema;
1353         $q = <<<END
1354 SELECT definition FROM pg_rules
1355         WHERE schemaname = %s
1356           AND tablename = %s
1357           AND rulename = %s
1358 END;
1359         $r = $wgDatabase->query(sprintf($q,
1360                         $wgDatabase->addQuotes($wgDBmwschema),
1361                         $wgDatabase->addQuotes($table),
1362                         $wgDatabase->addQuotes($rule)));
1363         $row = $wgDatabase->fetchRow($r);
1364         if (!$row)
1365                 return null;
1366         $d = $row[0];
1367         $wgDatabase->freeResult($r);
1368         return $d;
1369 }
1370
1371 function do_postgres_updates() {
1372         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1373
1374         ## Gather version numbers in case we need them
1375         $version = $wgDatabase->getServerVersion(); ## long string
1376         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1377
1378         $wgShowExceptionDetails = 1;
1379
1380         # Just in case their LocalSettings.php does not have this:
1381         if ( !isset( $wgDBmwschema ))
1382                 $wgDBmwschema = 'mediawiki';
1383
1384         # Verify that this user is configured correctly
1385         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1386         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1387         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1388         $conf = array();
1389         foreach( explode( '*', $config ) as $c ) {
1390                 list( $x,$y ) = explode( '=', $c );
1391                 $conf[$x] = $y;
1392         }
1393         if( !array_key_exists( 'search_path', $conf ) ) {
1394                 $search_path = '';
1395         }
1396         else {
1397                 $search_path = $conf['search_path'];
1398         }
1399         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1400                 echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1401                 $search_path = "$wgDBmwschema, $search_path";
1402         }
1403         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1404                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1405                 $search_path = "$search_path, $wgDBts2schema";
1406         }
1407         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1408                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1409                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1410         }
1411         else {
1412                 $path = $conf['search_path'];
1413                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1414         }
1415         $goodconf = array(
1416                 'client_min_messages' => 'error',
1417                 'DateStyle'           => 'ISO, YMD',
1418                 'TimeZone'            => 'GMT'
1419         );
1420         foreach( array_keys( $goodconf ) AS $key ) {
1421                 $value = $goodconf[$key];
1422                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1423                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1424                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1425                         $wgDatabase->doQuery( "SET $key = '$value'" );
1426                 }
1427                 else {
1428                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1429                 }
1430         }
1431
1432         $newsequences = array(
1433                 "log_log_id_seq",
1434                 "pr_id_val",
1435         );
1436
1437         $newtables = array(
1438                 array("category",          "patch-category.sql"),
1439                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1440                 array("mwuser",            "patch-mwuser.sql"),
1441                 array("pagecontent",       "patch-pagecontent.sql"),
1442                 array("querycachetwo",     "patch-querycachetwo.sql"),
1443                 array("page_props",        "patch-page_props.sql"),
1444                 array("page_restrictions", "patch-page_restrictions.sql"),
1445                 array("profiling",         "patch-profiling.sql"),
1446                 array("protected_titles",  "patch-protected_titles.sql"),
1447                 array("redirect",          "patch-redirect.sql"),
1448                 array("updatelog",         "patch-updatelog.sql"),
1449         );
1450
1451         $newcols = array(
1452                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1453                 array("archive",       "ar_len",               "INTEGER"),
1454                 array("archive",       "ar_page_id",           "INTEGER"),
1455                 array("archive",       "ar_parent_id",         "INTEGER"),
1456                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1457                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT '0'"),
1458                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1459                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT '0'"),
1460                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT '1'"),
1461                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1462                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT '1'"),
1463                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1464                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1465                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1466                 array("logging",       "log_params",           "TEXT"),
1467                 array("mwuser",        "user_editcount",       "INTEGER"),
1468                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1469                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1470                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1471                 array("oldimage",      "oi_media_type",        "TEXT"),
1472                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1473                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1474                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1475                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1476                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1477                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1478                 array("recentchanges", "rc_log_action",        "TEXT"),
1479         array("recentchanges", "rc_log_type",          "TEXT"),
1480         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1481                 array("recentchanges", "rc_new_len",           "INTEGER"),
1482                 array("recentchanges", "rc_old_len",           "INTEGER"),
1483                 array("recentchanges", "rc_params",            "TEXT"),
1484                 array("revision",      "rev_len",              "INTEGER"),
1485                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1486                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1487                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1488                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1489         );
1490
1491
1492         # table, column, desired type, USING clause if needed (with new default if needed)
1493         $typechanges = array(
1494                 array("archive",      "ar_deleted",      "smallint", ""),
1495                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1496                 array("filearchive",  "fa_deleted",      "smallint", ""),
1497                 array("filearchive",  "fa_height",       "integer",  ""),
1498                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1499                 array("filearchive",  "fa_size",         "integer",  ""),
1500                 array("filearchive",  "fa_width",        "integer",  ""),
1501                 array("filearchive",  "fa_storage_group","text",     ""),
1502                 array("filearchive",  "fa_storage_key",  "text",     ""),
1503                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1504                 array("image",        "img_size",        "integer",  ""),
1505                 array("image",        "img_width",       "integer",  ""),
1506                 array("image",        "img_height",      "integer",  ""),
1507                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1508                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1509                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1510                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1511                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1512                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1513                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1514                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1515                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1516                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1517                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1518                 array("mwuser",       "user_token",      "text",     ""),
1519                 array("mwuser",       "user_email_token","text",     ""),
1520                 array("objectcache",  "keyname",         "text",     ""),
1521                 array("oldimage",     "oi_height",       "integer",  ""),
1522                 array("oldimage",     "oi_size",         "integer",  ""),
1523                 array("oldimage",     "oi_width",        "integer",  ""),
1524                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1525                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1526                 array("querycache",   "qc_value",        "integer",  ""),
1527                 array("querycachetwo","qcc_value",       "integer",  ""),
1528                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1529                 array("recentchanges","rc_deleted",      "smallint", ""),
1530                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1531                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1532                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1533                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1534                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1535                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1536                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1537                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1538         );
1539
1540         $newindexes = array(
1541                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1542                 array("image",         "img_sha1",           "(img_sha1)"),
1543                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1544                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1545                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1546                 array("watchlist",     "wl_user",            "(wl_user)"),
1547         );
1548
1549         $newrules = array(
1550         );
1551
1552         foreach ($newsequences as $ns) {
1553                 if ($wgDatabase->sequenceExists($ns)) {
1554                         echo "... sequence \"$ns\" already exists\n";
1555                         continue;
1556                 }
1557
1558                 echo "Creating sequence \"$ns\"\n";
1559                 $wgDatabase->query("CREATE SEQUENCE $ns");
1560         }
1561
1562         foreach ($newtables as $nt) {
1563                 if ($wgDatabase->tableExists($nt[0])) {
1564                         echo "... table \"$nt[0]\" already exists\n";
1565                         continue;
1566                 }
1567
1568                 echo "Creating table \"$nt[0]\"\n";
1569                 dbsource(archive($nt[1]));
1570         }
1571
1572         ## Needed before newcols
1573         if ($wgDatabase->tableExists("archive2")) {
1574                 echo "Converting \"archive2\" back to normal archive table\n";
1575                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1576                         echo "Dropping rule \"archive_insert\"\n";
1577                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1578                 }
1579                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1580                         echo "Dropping rule \"archive_delete\"\n";
1581                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1582                 }
1583                 dbsource(archive("patch-remove-archive2.sql"));
1584         }
1585         else
1586                 echo "... obsolete table \"archive2\" does not exist\n";
1587
1588         foreach ($newcols as $nc) {
1589                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1590                 if (!is_null($fi)) {
1591                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1592                         continue;
1593                 }
1594
1595                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1596                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1597         }
1598
1599         foreach ($typechanges as $tc) {
1600                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1601                 if (is_null($fi)) {
1602                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1603                         exit(1);
1604                 }
1605
1606                 if ($fi->type() === $tc[2])
1607                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1608                 else {
1609                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1610                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1611                         if (strlen($tc[3])) {
1612                                 $default = array();
1613                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1614                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1615                                         $wgDatabase->query($sqldef);
1616                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1617                                 }
1618                                 $sql .= " USING $tc[3]";
1619                         }
1620                         $sql .= ";\nCOMMIT;\n";
1621                         $wgDatabase->query($sql);
1622                 }
1623         }
1624
1625         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1626                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1627                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1628                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1629                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1630         }
1631         else
1632                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1633
1634
1635         foreach ($newindexes as $ni) {
1636                 if (pg_index_exists($ni[0], $ni[1])) {
1637                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1638                         continue;
1639                 }
1640                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1641                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1642         }
1643
1644         foreach ($newrules as $nr) {
1645                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1646                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1647                         continue;
1648                 }
1649                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1650                 dbsource(archive($nr[2]));
1651         }
1652
1653         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1654                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1655                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1656                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1657                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1658         }
1659         else
1660                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1661
1662         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1663                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1664                 dbsource(archive('patch-page_deleted.sql'));
1665         }
1666         else
1667                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1668
1669         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1670         if (!$fi->nullable()) {
1671                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1672                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1673         }
1674         else
1675                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1676
1677         $pu = pg_describe_index("pagelink_unique");
1678         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1679                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1680                 $wgDatabase->query("DROP INDEX pagelink_unique");
1681                 $pu = null;
1682         }
1683         else
1684                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1685
1686         if (is_null($pu)) {
1687                 echo "Creating index \"pagelink_unique index\"\n";
1688                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1689         }
1690         else
1691                 echo "... index \"pagelink_unique_index\" already exists\n";
1692
1693         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1694                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1695         }
1696         else {
1697                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1698                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1699         }
1700
1701         # Fix ipb_address index
1702         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1703                 echo "... have ipb_address_unique\n";
1704         } else {
1705                 echo "Adding ipb_address_unique index\n";
1706                 dbsource(archive('patch-ipb_address_unique.sql'));
1707         }
1708
1709         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1710         # Add missing extension tables
1711         foreach ( $wgExtNewTables as $nt ) {
1712                 if ($wgDatabase->tableExists($nt[0])) {
1713                         echo "... table \"$nt[0]\" already exists\n";
1714                         continue;
1715                 }
1716                 echo "Creating table \"$nt[0]\"\n";
1717                 dbsource($nt[1]);
1718         }
1719         # Add missing extension fields
1720         foreach ( $wgExtPGNewFields as $nc ) {
1721                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1722                 if (!is_null($fi)) {
1723                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1724                         continue;
1725                 }
1726                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1727                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1728         }
1729         # Add missing extension indexes
1730         foreach ( $wgExtNewIndexes as $ni ) {
1731                 if (pg_index_exists($ni[0], $ni[1])) {
1732                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1733                         continue;
1734                 }
1735                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1736                 dbsource($ni[2]);
1737         }
1738
1739         # Tweak the page_title tsearch2 trigger to filter out slashes
1740         # This is create or replace, so harmless to call if not needed
1741         dbsource(archive('patch-ts2pagetitle.sql'));
1742
1743         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1744         ## in case they have the old 'default' versions
1745         if ( $numver >= 8.3 )
1746                 dbsource(archive('patch-tsearch2funcs.sql'));
1747
1748         return;
1749 }
1750