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', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 151         array( 'add_table', 'user_restrictions',                   'patch-user_restrictions.sql' ),
 152 );
 153
 154
 155 # For extensions only, should be populated via hooks
 156 # $wgDBtype should be checked to specifiy the proper file
 157 $wgExtNewTables = array(); // table, dir
 158 $wgExtNewFields = array(); // table, column, dir
 159 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 160 $wgExtNewIndexes = array(); // table, index, dir
 161
 162 # Helper function: check if the given key is present in the updatelog table.
 163 # Obviously, only use this for updates that occur after the updatelog table was
 164 # created!
 165 function update_row_exists( $key ) {
 166         $dbr = wfGetDB( DB_SLAVE );
 167         $row = $dbr->selectRow(
 168                 'updatelog',
 169                 '1',
 170                 array( 'ul_key' => $key ),
 171                 __FUNCTION__
 172         );
 173         return (bool)$row;
 174 }
 175
 176 function rename_table( $from, $to, $patch ) {
 177         global $wgDatabase;
 178         if ( $wgDatabase->tableExists( $from ) ) {
 179                 if ( $wgDatabase->tableExists( $to ) ) {
 180                         echo "...can't move table $from to $to, $to already exists.\n";
 181                 } else {
 182                         echo "Moving table $from to $to...";
 183                         dbsource( archive($patch), $wgDatabase );
 184                         echo "ok\n";
 185                 }
 186         } else {
 187                 // Source table does not exist
 188                 // Renames are done before creations, so this is typical for a new installation
 189                 // Ignore silently
 190         }
 191 }
 192
 193 function add_table( $name, $patch, $fullpath=false ) {
 194         global $wgDatabase;
 195         if ( $wgDatabase->tableExists( $name ) ) {
 196                 echo "...$name table already exists.\n";
 197         } else {
 198                 echo "Creating $name table...";
 199                 if( $fullpath ) {
 200                         dbsource( $patch, $wgDatabase );
 201                 } else {
 202                         dbsource( archive($patch), $wgDatabase );
 203                 }
 204                 echo "ok\n";
 205         }
 206 }
 207
 208 function add_field( $table, $field, $patch, $fullpath=false ) {
 209         global $wgDatabase;
 210         if ( !$wgDatabase->tableExists( $table ) ) {
 211                 echo "...$table table does not exist, skipping new field patch\n";
 212         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 213                 echo "...have $field field in $table table.\n";
 214         } else {
 215                 echo "Adding $field field to table $table...";
 216                 if( $fullpath ) {
 217                         dbsource( $patch, $wgDatabase );
 218                 } else {
 219                         dbsource( archive($patch), $wgDatabase );
 220                 }
 221                 echo "ok\n";
 222         }
 223 }
 224
 225 function add_index( $table, $index, $patch, $fullpath=false ) {
 226         global $wgDatabase;
 227         if( $wgDatabase->indexExists( $table, $index ) ) {
 228                 echo "...$index key already set on $table table.\n";
 229         } else {
 230                 echo "Adding $index key to table $table... ";
 231                 if( $fullpath ) {
 232                         dbsource( $patch, $wgDatabase );
 233                 } else {
 234                         dbsource( archive($patch), $wgDatabase );
 235                 }
 236                 echo "ok\n";
 237         }
 238 }
 239
 240 function do_revision_updates() {
 241         global $wgSoftwareRevision;
 242         if ( $wgSoftwareRevision < 1001 ) {
 243                 update_passwords();
 244         }
 245 }
 246
 247 function update_passwords() {
 248         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 249
 250         global $wgDatabase;
 251         $fname = "Update script: update_passwords()";
 252         print "\nIt appears that you need to update the user passwords in your\n" .
 253           "database. If you have already done this (if you've run this update\n" .
 254           "script once before, for example), doing so again will make all your\n" .
 255           "user accounts inaccessible, so be sure you only do this once.\n" .
 256           "Update user passwords? (yes/no)";
 257
 258         $resp = readconsole();
 259     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 260
 261         $sql = "SELECT user_id,user_password FROM user";
 262         $source = $wgDatabase->query( $sql, $fname );
 263
 264         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 265                 $id = $row->user_id;
 266                 $oldpass = $row->user_password;
 267                 $newpass = md5( "{$id}-{$oldpass}" );
 268
 269                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 270                   "WHERE user_id={$id}";
 271                 $wgDatabase->query( $sql, $fname );
 272         }
 273 }
 274
 275 function do_interwiki_update() {
 276         # Check that interwiki table exists; if it doesn't source it
 277         global $wgDatabase, $IP;
 278         if( $wgDatabase->tableExists( "interwiki" ) ) {
 279                 echo "...already have interwiki table\n";
 280                 return true;
 281         }
 282         echo "Creating interwiki table: ";
 283         dbsource( archive("patch-interwiki.sql") );
 284         echo "ok\n";
 285         echo "Adding default interwiki definitions: ";
 286         dbsource( "$IP/maintenance/interwiki.sql" );
 287         echo "ok\n";
 288 }
 289
 290 function do_index_update() {
 291         # Check that proper indexes are in place
 292         global $wgDatabase;
 293         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 294         if( !$meta->isMultipleKey() ) {
 295                 echo "Updating indexes to 20031107: ";
 296                 dbsource( archive("patch-indexes.sql") );
 297                 echo "ok\n";
 298                 return true;
 299         }
 300         echo "...indexes seem up to 20031107 standards\n";
 301         return false;
 302 }
 303
 304 function do_image_index_update() {
 305         global $wgDatabase;
 306
 307         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 308         if( !$meta->isMultipleKey() ) {
 309                 echo "Updating indexes to 20050912: ";
 310                 dbsource( archive("patch-mimesearch-indexes.sql") );
 311                 echo "ok\n";
 312                 return true;
 313         }
 314         echo "...indexes seem up to 20050912 standards\n";
 315         return false;
 316 }
 317
 318 function do_image_name_unique_update() {
 319         global $wgDatabase;
 320         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 321                 echo "...image primary key already set.\n";
 322         } else {
 323                 echo "Making img_name the primary key... ";
 324                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 325                 echo "ok\n";
 326         }
 327 }
 328
 329 function do_logging_timestamp_index() {
 330         global $wgDatabase;
 331         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 332                 echo "...timestamp key on logging already exists.\n";
 333         } else {
 334                 echo "Adding timestamp key on logging table... ";
 335                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 336                 echo "ok\n";
 337         }
 338 }
 339
 340 function do_archive_user_index() {
 341         global $wgDatabase;
 342         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 343                 echo "...usertext,timestamp key on archive already exists.\n";
 344         } else {
 345                 echo "Adding usertext,timestamp key on archive table... ";
 346                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 347                 echo "ok\n";
 348         }
 349 }
 350
 351 function do_image_user_index() {
 352         global $wgDatabase;
 353         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 354                 echo "...usertext,timestamp key on image already exists.\n";
 355         } else {
 356                 echo "Adding usertext,timestamp key on image table... ";
 357                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 358                 echo "ok\n";
 359         }
 360 }
 361
 362 function do_oldimage_user_index() {
 363         global $wgDatabase;
 364         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 365                 echo "...usertext,timestamp key on oldimage already exists.\n";
 366         } else {
 367                 echo "Adding usertext,timestamp key on oldimage table... ";
 368                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 369                 echo "ok\n";
 370         }
 371 }
 372
 373 function do_watchlist_update() {
 374         global $wgDatabase;
 375         $fname = 'do_watchlist_update';
 376         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 377                 echo "The watchlist table is already set up for email notification.\n";
 378         } else {
 379                 echo "Adding wl_notificationtimestamp field for email notification management.";
 380                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 381                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 382                 echo "ok\n";
 383         }
 384         # Check if we need to add talk page rows to the watchlist
 385         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 386         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 387         if ( $talk != $nontalk ) {
 388                 echo "Adding missing watchlist talk page rows... ";
 389                 flush();
 390
 391                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 392                         array(
 393                                 'wl_user' => 'wl_user',
 394                                 'wl_namespace' => 'wl_namespace | 1',
 395                                 'wl_title' => 'wl_title',
 396                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 397                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 398                 echo "ok\n";
 399         } else {
 400                 echo "...watchlist talk page rows already present\n";
 401         }
 402 }
 403
 404 function do_copy_newtalk_to_watchlist() {
 405         global $wgDatabase;
 406         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 407
 408         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 409                 $wgDatabase->tableName( 'user_newtalk' ) );
 410         $num_newtalks=$wgDatabase->numRows($res);
 411         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 412
 413         $user = new User();
 414         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 415                 $wluser = $wgDatabase->fetchObject( $res );
 416                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 417                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 418                                 $wgDatabase->replace( 'watchlist',
 419                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 420                                           array('wl_user'                       => 0,
 421                                                 'wl_namespace'                  => NS_USER_TALK,
 422                                                 'wl_title'                      => $wluser->user_ip,
 423                                                 'wl_notificationtimestamp'      => '19700101000000'
 424                                                 ), 'updaters.inc::do_watchlist_update2'
 425                                         );
 426                         }
 427                 } else { # normal users ... have user_ids
 428                         $user->setID($wluser->user_id);
 429                         $wgDatabase->replace( 'watchlist',
 430                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 431                                   array('wl_user'                       => $user->getID(),
 432                                         'wl_namespace'                  => NS_USER_TALK,
 433                                         'wl_title'                      => $user->getName(),
 434                                         'wl_notificationtimestamp'      => '19700101000000'
 435                                         ), 'updaters.inc::do_watchlist_update3'
 436                                 );
 437                 }
 438         }
 439         echo "Done.\n";
 440 }
 441
 442
 443 function do_user_update() {
 444         global $wgDatabase;
 445         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 446                 echo "User table contains old email authentication field. Dropping... ";
 447                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 448                 echo "ok\n";
 449         } else {
 450                 echo "...user table does not contain old email authentication field.\n";
 451         }
 452 }
 453
 454 /**
 455  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 456  * which causes a collation mismatch error on joins in MySQL 4.1.
 457  */
 458 function check_bin( $table, $field, $patchFile ) {
 459         global $wgDatabase, $wgDBtype;
 460         if ($wgDBtype != 'mysql')
 461                 return;
 462         $tableName = $wgDatabase->tableName( $table );
 463         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 464         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 465         $wgDatabase->freeResult( $res );
 466
 467         if( in_array( 'binary', $flags ) ) {
 468                 echo "$table table has correct $field encoding.\n";
 469         } else {
 470                 echo "Fixing $field encoding on $table table... ";
 471                 dbsource( archive( $patchFile ), $wgDatabase );
 472                 echo "ok\n";
 473         }
 474 }
 475
 476 function do_schema_restructuring() {
 477         global $wgDatabase;
 478         $fname="do_schema_restructuring";
 479         if ( $wgDatabase->tableExists( 'page' ) ) {
 480                 echo "...page table already exists.\n";
 481         } else {
 482                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 483                 echo wfTimestamp( TS_DB );
 484                 echo "......checking for duplicate entries.\n"; flush();
 485
 486                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 487
 488                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 489                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 490
 491                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 492                         echo wfTimestamp( TS_DB );
 493                         echo "......<b>Found duplicate entries</b>\n";
 494                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 495                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 496                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 497                                         $duplicate[$row->cur_namespace] = array();
 498                                 }
 499                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 500                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 501                         }
 502                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 503                         $firstCond = true;
 504                         foreach ( $duplicate as $ns => $titles ) {
 505                                 if ( $firstCond ) {
 506                                         $firstCond = false;
 507                                 } else {
 508                                         $sql .= ' OR ';
 509                                 }
 510                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 511                                 $first = true;
 512                                 foreach ( $titles as $t ) {
 513                                         if ( $first ) {
 514                                                 $sql .= $wgDatabase->addQuotes( $t );
 515                                                 $first = false;
 516                                         } else {
 517                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 518                                         }
 519                                 }
 520                                 $sql .= ") ) \n";
 521                         }
 522                         # By sorting descending, the most recent entry will be the first in the list.
 523                         # All following entries will be deleted by the next while-loop.
 524                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 525
 526                         $rows = $wgDatabase->query( $sql, $fname );
 527
 528                         $prev_title = $prev_namespace = false;
 529                         $deleteId = array();
 530
 531                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 532                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 533                                         $deleteId[] = $row->cur_id;
 534                                 }
 535                                 $prev_title     = $row->cur_title;
 536                                 $prev_namespace = $row->cur_namespace;
 537                         }
 538                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 539                         $rows = $wgDatabase->query( $sql, $fname );
 540                         echo wfTimestamp( TS_DB );
 541                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 542                 }
 543
 544
 545                 echo wfTimestamp( TS_DB );
 546                 echo "......Creating tables.\n";
 547                 $wgDatabase->query("CREATE TABLE $page (
 548                         page_id int(8) unsigned NOT NULL auto_increment,
 549                         page_namespace int NOT NULL,
 550                         page_title varchar(255) binary NOT NULL,
 551                         page_restrictions tinyblob NOT NULL,
 552                         page_counter bigint(20) unsigned NOT NULL default '0',
 553                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 554                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 555                         page_random real unsigned NOT NULL,
 556                         page_touched char(14) binary NOT NULL default '',
 557                         page_latest int(8) unsigned NOT NULL,
 558                         page_len int(8) unsigned NOT NULL,
 559
 560                         PRIMARY KEY page_id (page_id),
 561                         UNIQUE INDEX name_title (page_namespace,page_title),
 562                         INDEX (page_random),
 563                         INDEX (page_len)
 564                         ) ENGINE=InnoDB", $fname );
 565                 $wgDatabase->query("CREATE TABLE $revision (
 566                         rev_id int(8) unsigned NOT NULL auto_increment,
 567                         rev_page int(8) unsigned NOT NULL,
 568                         rev_comment tinyblob NOT NULL,
 569                         rev_user int(5) unsigned NOT NULL default '0',
 570                         rev_user_text varchar(255) binary NOT NULL default '',
 571                         rev_timestamp char(14) binary NOT NULL default '',
 572                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 573                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 574                         rev_len int(8) unsigned,
 575                         rev_parent_id int(8) unsigned default NULL,
 576                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 577                         UNIQUE INDEX rev_id (rev_id),
 578                         INDEX rev_timestamp (rev_timestamp),
 579                         INDEX page_timestamp (rev_page,rev_timestamp),
 580                         INDEX user_timestamp (rev_user,rev_timestamp),
 581                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 582                         ) ENGINE=InnoDB", $fname );
 583
 584                 echo wfTimestamp( TS_DB );
 585                 echo "......Locking tables.\n";
 586                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 587
 588                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 589                 echo wfTimestamp( TS_DB );
 590                 echo "......maxold is {$maxold}\n";
 591
 592                 echo wfTimestamp( TS_DB );
 593                 global $wgLegacySchemaConversion;
 594                 if( $wgLegacySchemaConversion ) {
 595                         // Create HistoryBlobCurStub entries.
 596                         // Text will be pulled from the leftover 'cur' table at runtime.
 597                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 598                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 599                         $cur_flags = "'object'";
 600                 } else {
 601                         // Copy all cur text in immediately: this may take longer but avoids
 602                         // having to keep an extra table around.
 603                         echo "......Moving text from cur.\n";
 604                         $cur_text = 'cur_text';
 605                         $cur_flags = "''";
 606                 }
 607                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 608                                 old_timestamp, old_minor_edit, old_flags)
 609                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 610                         FROM $cur", $fname );
 611
 612                 echo wfTimestamp( TS_DB );
 613                 echo "......Setting up revision table.\n";
 614                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 615                                 rev_minor_edit)
 616                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 617                                 old_timestamp, old_minor_edit
 618                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 619
 620                 echo wfTimestamp( TS_DB );
 621                 echo "......Setting up page table.\n";
 622                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 623                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 624                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 625                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 626                         FROM $cur,$revision
 627                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 628
 629                 echo wfTimestamp( TS_DB );
 630                 echo "......Unlocking tables.\n";
 631                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 632
 633                 echo wfTimestamp( TS_DB );
 634                 echo "......Renaming old.\n";
 635                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 636
 637                 echo wfTimestamp( TS_DB );
 638                 echo "...done.\n";
 639         }
 640 }
 641
 642 function do_inverse_timestamp() {
 643         global $wgDatabase;
 644         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 645                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 646                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 647                 echo "ok\n";
 648         } else {
 649                 echo "revision timestamp indexes already up to 2005-03-13\n";
 650         }
 651 }
 652
 653 function do_text_id() {
 654         global $wgDatabase;
 655         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 656                 echo "...rev_text_id already in place.\n";
 657         } else {
 658                 echo "Adding rev_text_id field... ";
 659                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 660                 echo "ok\n";
 661         }
 662 }
 663
 664 function do_namespace_size() {
 665         $tables = array(
 666                 'page'          => 'page',
 667                 'archive'       => 'ar',
 668                 'recentchanges' => 'rc',
 669                 'watchlist'     => 'wl',
 670                 'querycache'    => 'qc',
 671                 'logging'       => 'log',
 672         );
 673         foreach( $tables as $table => $prefix ) {
 674                 do_namespace_size_on( $table, $prefix );
 675                 flush();
 676         }
 677 }
 678
 679 function do_namespace_size_on( $table, $prefix ) {
 680         global $wgDatabase, $wgDBtype;
 681         if ($wgDBtype != 'mysql')
 682                 return;
 683         $field = $prefix . '_namespace';
 684
 685         $tablename = $wgDatabase->tableName( $table );
 686         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 687         $info = $wgDatabase->fetchObject( $result );
 688         $wgDatabase->freeResult( $result );
 689
 690         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 691                 echo "...$field is already a full int ($info->Type).\n";
 692         } else {
 693                 echo "Promoting $field from $info->Type to int... ";
 694
 695                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 696                 $wgDatabase->query( $sql );
 697
 698                 echo "ok\n";
 699         }
 700 }
 701
 702 function do_pagelinks_update() {
 703         global $wgDatabase;
 704         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 705                 echo "...already have pagelinks table.\n";
 706         } else {
 707                 echo "Converting links and brokenlinks tables to pagelinks... ";
 708                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 709                 echo "ok\n";
 710                 flush();
 711
 712                 global $wgCanonicalNamespaceNames;
 713                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 714                         if( $ns != 0 ) {
 715                                 do_pagelinks_namespace( $ns );
 716                         }
 717                 }
 718         }
 719 }
 720
 721 function do_pagelinks_namespace( $namespace ) {
 722         global $wgDatabase, $wgContLang;
 723
 724         $ns = intval( $namespace );
 725         echo "Cleaning up broken links for namespace $ns... ";
 726
 727         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 728         $name = $wgContLang->getNsText( $ns );
 729         $prefix = $wgDatabase->strencode( $name );
 730         $likeprefix = str_replace( '_', '\\_', $prefix);
 731
 732         $sql = "UPDATE $pagelinks
 733                    SET pl_namespace=$ns,
 734                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 735                  WHERE pl_namespace=0
 736                    AND pl_title LIKE '$likeprefix:%'";
 737
 738         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 739         echo "ok\n";
 740 }
 741
 742 function do_drop_img_type() {
 743         global $wgDatabase;
 744
 745         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 746                 echo "Dropping unused img_type field in image table... ";
 747                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 748                 echo "ok\n";
 749         } else {
 750                 echo "No img_type field in image table; Good.\n";
 751         }
 752 }
 753
 754 function do_old_links_update() {
 755         global $wgDatabase;
 756         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 757                 echo "Already have pagelinks; skipping old links table updates.\n";
 758         } else {
 759                 convertLinks(); flush();
 760         }
 761 }
 762
 763 function do_user_unique_update() {
 764         global $wgDatabase;
 765         $duper = new UserDupes( $wgDatabase );
 766         if( $duper->hasUniqueIndex() ) {
 767                 echo "Already have unique user_name index.\n";
 768         } else {
 769                 if( !$duper->clearDupes() ) {
 770                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 771                 }
 772                 echo "Adding unique index on user_name... ";
 773                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 774                 echo "ok\n";
 775         }
 776 }
 777
 778 function do_user_groups_update() {
 779         $fname = 'do_user_groups_update';
 780         global $wgDatabase;
 781
 782         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 783                 echo "...user_groups table already exists.\n";
 784                 return do_user_groups_reformat();
 785         }
 786
 787         echo "Adding user_groups table... ";
 788         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 789         echo "ok\n";
 790
 791         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 792                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 793                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 794                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 795                         echo "ok\n";
 796                 } else {
 797                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 798                         echo "*** You may need to manually configure some sysops by manipulating\n";
 799                         echo "*** the user_groups table.\n";
 800                         return;
 801                 }
 802         }
 803
 804         echo "Converting user_rights table to user_groups... ";
 805         $result = $wgDatabase->select( 'user_rights',
 806                 array( 'ur_user', 'ur_rights' ),
 807                 array( "ur_rights != ''" ),
 808                 $fname );
 809
 810         while( $row = $wgDatabase->fetchObject( $result ) ) {
 811                 $groups = array_unique(
 812                         array_map( 'trim',
 813                                 explode( ',', $row->ur_rights ) ) );
 814
 815                 foreach( $groups as $group ) {
 816                         $wgDatabase->insert( 'user_groups',
 817                                 array(
 818                                         'ug_user'  => $row->ur_user,
 819                                         'ug_group' => $group ),
 820                                 $fname );
 821                 }
 822         }
 823         $wgDatabase->freeResult( $result );
 824         echo "ok\n";
 825 }
 826
 827 function do_user_groups_reformat() {
 828         # Check for bogus formats from previous 1.5 alpha code.
 829         global $wgDatabase;
 830         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 831
 832         if( $info->type() == 'int' ) {
 833                 $oldug = $wgDatabase->tableName( 'user_groups' );
 834                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 835                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 836                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 837                 echo "ok\n";
 838
 839                 echo "Re-adding fresh user_groups table... ";
 840                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 841                 echo "ok\n";
 842
 843                 echo "***\n";
 844                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 845                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 846                 echo "***\n";
 847         } else {
 848                 echo "...user_groups is in current format.\n";
 849         }
 850
 851 }
 852
 853 function do_watchlist_null() {
 854         # Make sure wl_notificationtimestamp can be NULL,
 855         # and update old broken items.
 856         global $wgDatabase;
 857         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 858
 859         if( !$info->nullable() ) {
 860                 echo "Making wl_notificationtimestamp nullable... ";
 861                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 862                 echo "ok\n";
 863         } else {
 864                 echo "...wl_notificationtimestamp is already nullable.\n";
 865         }
 866
 867 }
 868
 869 /**
 870  * @bug 3946
 871  */
 872 function do_page_random_update() {
 873         global $wgDatabase;
 874
 875         echo "Setting page_random to a random value on rows where it equals 0...";
 876
 877         $page = $wgDatabase->tableName( 'page' );
 878         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 879         $rows = $wgDatabase->affectedRows();
 880
 881         echo "changed $rows rows\n";
 882 }
 883
 884 function do_templatelinks_update() {
 885         global $wgDatabase, $wgLoadBalancer;
 886         $fname = 'do_templatelinks_update';
 887
 888         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 889                 echo "...templatelinks table already exists\n";
 890                 return;
 891         }
 892         echo "Creating templatelinks table...\n";
 893         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 894         echo "Populating...\n";
 895         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 896                 // Slow, replication-friendly update
 897                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 898                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 899                 $count = 0;
 900                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 901                         $count = ($count + 1) % 100;
 902                         if ( $count == 0 ) {
 903                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 904                                         wfWaitForSlaves( 10 );
 905                                 } else {
 906                                         sleep( 1 );
 907                                 }
 908                         }
 909                         $wgDatabase->insert( 'templatelinks',
 910                                 array(
 911                                         'tl_from' => $row->pl_from,
 912                                         'tl_namespace' => $row->pl_namespace,
 913                                         'tl_title' => $row->pl_title,
 914                                 ), $fname
 915                         );
 916
 917                 }
 918                 $wgDatabase->freeResult( $res );
 919         } else {
 920                 // Fast update
 921                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 922                         array(
 923                                 'tl_from' => 'pl_from',
 924                                 'tl_namespace' => 'pl_namespace',
 925                                 'tl_title' => 'pl_title'
 926                         ), array(
 927                                 'pl_namespace' => 10
 928                         ), $fname
 929                 );
 930         }
 931         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 932 }
 933
 934 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 935 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 936 function do_rc_indices_update() {
 937         global $wgDatabase;
 938         echo( "Checking for additional recent changes indices...\n" );
 939
 940         $indexes = array(
 941                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 942                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 943         );
 944
 945         foreach( $indexes as $index => $patch ) {
 946                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 947                 if( !$info ) {
 948                         echo( "...index `{$index}` not found; adding..." );
 949                         dbsource( archive( $patch ) );
 950                         echo( "done.\n" );
 951                 } else {
 952                         echo( "...index `{$index}` seems ok.\n" );
 953                 }
 954         }
 955 }
 956
 957 function index_has_field($table, $index, $field) {
 958         global $wgDatabase;
 959         echo( "Checking if $table index $index includes field $field...\n" );
 960         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 961         if( $info ) {
 962                 foreach($info as $row) {
 963                         if($row->Column_name == $field) {
 964                                 echo( "...index $index on table $table seems to be ok\n" );
 965                                 return true;
 966                         }
 967                 }
 968         }
 969         echo( "...index $index on table $table has no field $field; adding\n" );
 970         return false;
 971 }
 972
 973 function do_backlinking_indices_update() {
 974         echo( "Checking for backlinking indices...\n" );
 975         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 976                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 977                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 978         {
 979                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 980                 echo( "...backlinking indices updated\n" );
 981         }
 982 }
 983
 984 function do_categorylinks_indices_update() {
 985         echo( "Checking for categorylinks indices...\n" );
 986         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 987         {
 988                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 989                 echo( "...categorylinks indices updated\n" );
 990         }
 991 }
 992
 993 function do_filearchive_indices_update() {
 994         global $wgDatabase;
 995         echo( "Checking filearchive indices...\n" );
 996         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 997         if ( !$info )
 998         {
 999                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1000                 echo( "...filearchive indices updated\n" );
1001         }
1002 }
1003
1004 function maybe_do_profiling_memory_update() {
1005         global $wgDatabase;
1006         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1007                 // Simply ignore
1008         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1009                 echo "profiling table has pf_memory field.\n";
1010         } else {
1011                 echo "Adding pf_memory field to table profiling...";
1012                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1013                 echo "ok\n";
1014         }
1015 }
1016
1017 function do_stats_init() {
1018         // Sometimes site_stats table is not properly populated.
1019         global $wgDatabase;
1020         echo "Checking site_stats row...";
1021         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1022         if( $row === false ) {
1023                 echo "data is missing! rebuilding...\n";
1024         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1025                 echo "missing ss_total_pages, rebuilding...\n";
1026         } else {
1027                 echo "ok.\n";
1028                 return;
1029         }
1030
1031         global $IP;
1032         require_once "$IP/maintenance/initStats.inc";
1033         wfInitStats();
1034 }
1035
1036 function do_active_users_init() {
1037         global $wgDatabase;
1038         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1039         if( $activeUsers == -1 ) {
1040                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1041                         'COUNT( DISTINCT rc_user_text )',
1042                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1043                 );
1044                 $wgDatabase->update( 'site_stats',
1045                         array( 'ss_active_users' => intval($activeUsers) ),
1046                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1047                 );
1048         }
1049         echo( "...ss_active_users user count set...\n" );
1050 }
1051
1052 function purge_cache() {
1053         global $wgDatabase;
1054         # We can't guarantee that the user will be able to use TRUNCATE,
1055         # but we know that DELETE is available to us
1056         echo( "Purging caches..." );
1057         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1058         echo( "done.\n" );
1059 }
1060
1061 function do_all_updates( $shared = false, $purge = true ) {
1062         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1063
1064         wfRunHooks('LoadExtensionSchemaUpdates');
1065
1066         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1067
1068         if ($wgDBtype === 'postgres') {
1069                 do_postgres_updates();
1070                 return;
1071         }
1072
1073         # Run core updates in sequence...
1074         global $wgMysqlUpdates;
1075         foreach( $wgMysqlUpdates as $params ) {
1076                 $func = array_shift( $params );
1077                 call_user_func_array( $func, $params );
1078                 flush();
1079         }
1080
1081         /// @fixme clean up this mess too!
1082         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1083         # Add missing extension tables
1084         foreach ( $wgExtNewTables as $tableRecord ) {
1085                 add_table( $tableRecord[0], $tableRecord[1], true );
1086                 flush();
1087         }
1088         # Add missing extension fields
1089         foreach ( $wgExtNewFields as $fieldRecord ) {
1090                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1091                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1092                 }
1093                 flush();
1094         }
1095         # Add missing extension indexes
1096         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1097                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1098                 flush();
1099         }
1100
1101
1102         echo "Deleting old default messages (this may take a long time!)..."; flush();
1103         deleteDefaultMessages();
1104         echo "Done\n"; flush();
1105
1106         do_stats_init(); flush();
1107
1108         if( $purge ) {
1109                 purge_cache();
1110                 flush();
1111         }
1112 }
1113
1114 function archive($name) {
1115         global $wgDBtype, $IP;
1116         switch ($wgDBtype) {
1117         case "postgres":
1118                 return "$IP/maintenance/postgres/archives/$name";
1119         default:
1120                 return "$IP/maintenance/archives/$name";
1121         }
1122 }
1123
1124 function do_restrictions_update() {
1125         # Adding page_restrictions table, obsoleting page.page_restrictions.
1126         #  Migrating old restrictions to new table
1127         # -- Andrew Garrett, January 2007.
1128
1129         global $wgDatabase;
1130
1131         $name = 'page_restrictions';
1132         $patch = 'patch-page_restrictions.sql';
1133         $patch2 = 'patch-page_restrictions_sortkey.sql';
1134
1135         if ( $wgDatabase->tableExists( $name ) ) {
1136                 echo "...$name table already exists.\n";
1137         } else {
1138                 echo "Creating $name table...";
1139                 dbsource( archive($patch), $wgDatabase );
1140                 dbsource( archive($patch2), $wgDatabase );
1141                 echo "ok\n";
1142
1143                 echo "Migrating old restrictions to new table...";
1144
1145                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1146
1147                 $count = 0;
1148
1149                 while ($row = $wgDatabase->fetchObject($res) ) {
1150                         $count = ($count + 1) % 100;
1151
1152                         if ($count == 0) {
1153                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1154                                         wfWaitForSlaves( 10 );
1155                                 } else {
1156                                         sleep( 1 );
1157                                 }
1158                         }
1159
1160                         # Figure out what the restrictions are..
1161                         $id = $row->page_id;
1162                         $flatrestrictions = explode( ':', $row->page_restrictions );
1163
1164                         $restrictions = array ();
1165                         foreach( $flatrestrictions as $restriction ) {
1166                                 $thisrestriction = explode( '=', $restriction, 2 );
1167                                 if( count( $thisrestriction ) == 1 ) {
1168                                         // Compatibility with old protections from before
1169                                         // separate move protection was added.
1170                                         list( $level ) = $thisrestriction;
1171                                         if( $level ) {
1172                                                 $restrictions['edit'] = $level;
1173                                                 $restrictions['move'] = $level;
1174                                         }
1175                                 } else {
1176                                         list( $type, $level ) = $thisrestriction;
1177                                         if( $level ) {
1178                                                 $restrictions[$type] = $level;
1179                                         }
1180                                 }
1181
1182                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1183
1184                         }
1185
1186                         foreach( $restrictions as $type => $level ) {
1187                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1188                                                                                         'pr_type' => $type,
1189                                                                                         'pr_level' => $level,
1190                                                                                         'pr_cascade' => 0,
1191                                                                                         'pr_expiry' => 'infinity' ),
1192                                                                                         __METHOD__ );
1193                         }
1194                 }
1195                 print "ok\n";
1196         }
1197 }
1198
1199 function do_category_population() {
1200         if( update_row_exists( 'populate category' ) ) {
1201                 echo "...category table already populated.\n";
1202                 return;
1203         }
1204         require_once( 'populateCategory.inc' );
1205         echo "Populating category table, printing progress markers.  ".
1206 "For large databases, you\n".
1207 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1208 "populateCategory.php.\n";
1209         populateCategory( '', 10, 0, true );
1210         echo "Done populating category table.\n";
1211 }
1212
1213 function do_populate_parent_id() {
1214         if( update_row_exists( 'populate rev_parent_id' ) ) {
1215                 echo "...rev_parent_id column already populated.\n";
1216                 return;
1217         }
1218         require_once( 'populateParentId.inc' );
1219
1220         global $wgDatabase;
1221         populate_rev_parent_id( $wgDatabase );
1222 }
1223
1224 function update_password_format() {
1225         if ( update_row_exists( 'password format' ) ) {
1226                 echo "...password hash format already changed\n";
1227                 return;
1228         }
1229
1230         echo "Updating password hash format...";
1231
1232         global $wgDatabase, $wgPasswordSalt;
1233         $user = $wgDatabase->tableName( 'user' );
1234         if ( $wgPasswordSalt ) {
1235                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1236                         "WHERE user_password NOT LIKE ':%'";
1237         } else {
1238                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1239                         "WHERE user_password NOT LIKE ':%'";
1240         }
1241         $wgDatabase->query( $sql, __METHOD__ );
1242         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1243
1244         echo "done\n";
1245 }
1246
1247 function
1248 pg_describe_table($table)
1249 {
1250 global  $wgDatabase, $wgDBmwschema;
1251         $q = <<<END
1252 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1253         WHERE pg_class.relnamespace = pg_namespace.oid
1254           AND attrelid=pg_class.oid AND attnum > 0
1255           AND relname=%s AND nspname=%s
1256 END;
1257         $res = $wgDatabase->query(sprintf($q,
1258                         $wgDatabase->addQuotes($table),
1259                         $wgDatabase->addQuotes($wgDBmwschema)));
1260         if (!$res)
1261                 return null;
1262
1263         $cols = array();
1264         while ($r = $wgDatabase->fetchRow($res)) {
1265                 $cols[] = array(
1266                                 "name" => $r[0],
1267                                 "ord" => $r[1],
1268                         );
1269         }
1270         return $cols;
1271 }
1272
1273 function
1274 pg_describe_index($idx)
1275 {
1276 global  $wgDatabase, $wgDBmwschema;
1277
1278         // first fetch the key (which is a list of columns ords) and
1279         // the table the index applies to (an oid)
1280         $q = <<<END
1281 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1282         WHERE nspname=%s
1283           AND pg_class.relnamespace = pg_namespace.oid
1284           AND relname=%s
1285           AND indexrelid=pg_class.oid
1286 END;
1287         $res = $wgDatabase->query(sprintf($q,
1288                         $wgDatabase->addQuotes($wgDBmwschema),
1289                         $wgDatabase->addQuotes($idx)));
1290         if (!$res)
1291                 return null;
1292         if (!($r = $wgDatabase->fetchRow($res))) {
1293                 $wgDatabase->freeResult($res);
1294                 return null;
1295         }
1296
1297         $indkey = $r[0];
1298         $relid = intval($r[1]);
1299         $indkeys = explode(" ", $indkey);
1300         $wgDatabase->freeResult($res);
1301
1302         $colnames = array();
1303         foreach ($indkeys as $rid) {
1304                 $query = <<<END
1305 SELECT attname FROM pg_class, pg_attribute
1306         WHERE attrelid=$relid
1307           AND attnum=%d
1308           AND attrelid=pg_class.oid
1309 END;
1310                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1311                 if (!$r2)
1312                         return null;
1313                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1314                         $wgDatabase->freeResult($r2);
1315                         return null;
1316                 }
1317                 $colnames[] = $row2[0];
1318                 $wgDatabase->freeResult($r2);
1319         }
1320
1321         return $colnames;
1322 }
1323
1324 function
1325 pg_index_exists($table, $index)
1326 {
1327 global  $wgDatabase, $wgDBmwschema;
1328         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1329                         array(  "indexname" => $index,
1330                                 "tablename" => $table,
1331                                 "schemaname" => $wgDBmwschema));
1332         return $exists === $index;
1333 }
1334
1335 function
1336 pg_fkey_deltype($fkey)
1337 {
1338 global  $wgDatabase, $wgDBmwschema;
1339         $q = <<<END
1340 SELECT confdeltype FROM pg_constraint, pg_namespace
1341         WHERE connamespace=pg_namespace.oid
1342           AND nspname=%s
1343           AND conname=%s;
1344 END;
1345         $r = $wgDatabase->query(sprintf($q,
1346                 $wgDatabase->addQuotes($wgDBmwschema),
1347                 $wgDatabase->addQuotes($fkey)));
1348         if (!($row = $wgDatabase->fetchRow($r)))
1349                 return null;
1350         return $row[0];
1351 }
1352
1353 function
1354 pg_rule_def($table, $rule)
1355 {
1356 global  $wgDatabase, $wgDBmwschema;
1357         $q = <<<END
1358 SELECT definition FROM pg_rules
1359         WHERE schemaname = %s
1360           AND tablename = %s
1361           AND rulename = %s
1362 END;
1363         $r = $wgDatabase->query(sprintf($q,
1364                         $wgDatabase->addQuotes($wgDBmwschema),
1365                         $wgDatabase->addQuotes($table),
1366                         $wgDatabase->addQuotes($rule)));
1367         $row = $wgDatabase->fetchRow($r);
1368         if (!$row)
1369                 return null;
1370         $d = $row[0];
1371         $wgDatabase->freeResult($r);
1372         return $d;
1373 }
1374
1375 function do_postgres_updates() {
1376         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1377
1378         ## Gather version numbers in case we need them
1379         $version = $wgDatabase->getServerVersion(); ## long string
1380         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1381
1382         $wgShowExceptionDetails = 1;
1383
1384         # Just in case their LocalSettings.php does not have this:
1385         if ( !isset( $wgDBmwschema ))
1386                 $wgDBmwschema = 'mediawiki';
1387
1388         # Verify that this user is configured correctly
1389         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1390         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1391         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1392         $conf = array();
1393         foreach( explode( '*', $config ) as $c ) {
1394                 list( $x,$y ) = explode( '=', $c );
1395                 $conf[$x] = $y;
1396         }
1397         if( !array_key_exists( 'search_path', $conf ) ) {
1398                 $search_path = '';
1399         }
1400         else {
1401                 $search_path = $conf['search_path'];
1402         }
1403         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1404                 echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1405                 $search_path = "$wgDBmwschema, $search_path";
1406         }
1407         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1408                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1409                 $search_path = "$search_path, $wgDBts2schema";
1410         }
1411         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1412                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1413                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1414         }
1415         else {
1416                 $path = $conf['search_path'];
1417                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1418         }
1419         $goodconf = array(
1420                 'client_min_messages' => 'error',
1421                 'DateStyle'           => 'ISO, YMD',
1422                 'TimeZone'            => 'GMT'
1423         );
1424         foreach( array_keys( $goodconf ) AS $key ) {
1425                 $value = $goodconf[$key];
1426                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1427                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1428                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1429                         $wgDatabase->doQuery( "SET $key = '$value'" );
1430                 }
1431                 else {
1432                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1433                 }
1434         }
1435
1436         $newsequences = array(
1437                 "log_log_id_seq",
1438                 "pr_id_val",
1439         );
1440
1441         $newtables = array(
1442                 array("category",          "patch-category.sql"),
1443                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1444                 array("mwuser",            "patch-mwuser.sql"),
1445                 array("pagecontent",       "patch-pagecontent.sql"),
1446                 array("querycachetwo",     "patch-querycachetwo.sql"),
1447                 array("page_props",        "patch-page_props.sql"),
1448                 array("page_restrictions", "patch-page_restrictions.sql"),
1449                 array("profiling",         "patch-profiling.sql"),
1450                 array("protected_titles",  "patch-protected_titles.sql"),
1451                 array("redirect",          "patch-redirect.sql"),
1452                 array("updatelog",         "patch-updatelog.sql"),
1453         );
1454
1455         $newcols = array(
1456                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1457                 array("archive",       "ar_len",               "INTEGER"),
1458                 array("archive",       "ar_page_id",           "INTEGER"),
1459                 array("archive",       "ar_parent_id",         "INTEGER"),
1460                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1461                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT '0'"),
1462                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1463                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT '0'"),
1464                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT '1'"),
1465                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1466                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT '1'"),
1467                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1468                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1469                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1470                 array("logging",       "log_params",           "TEXT"),
1471                 array("mwuser",        "user_editcount",       "INTEGER"),
1472                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1473                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1474                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1475                 array("oldimage",      "oi_media_type",        "TEXT"),
1476                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1477                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1478                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1479                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1480                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1481                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1482                 array("recentchanges", "rc_log_action",        "TEXT"),
1483         array("recentchanges", "rc_log_type",          "TEXT"),
1484         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1485                 array("recentchanges", "rc_new_len",           "INTEGER"),
1486                 array("recentchanges", "rc_old_len",           "INTEGER"),
1487                 array("recentchanges", "rc_params",            "TEXT"),
1488                 array("revision",      "rev_len",              "INTEGER"),
1489                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1490                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1491                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1492                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1493         );
1494
1495
1496         # table, column, desired type, USING clause if needed (with new default if needed)
1497         $typechanges = array(
1498                 array("archive",      "ar_deleted",      "smallint", ""),
1499                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1500                 array("filearchive",  "fa_deleted",      "smallint", ""),
1501                 array("filearchive",  "fa_height",       "integer",  ""),
1502                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1503                 array("filearchive",  "fa_size",         "integer",  ""),
1504                 array("filearchive",  "fa_width",        "integer",  ""),
1505                 array("filearchive",  "fa_storage_group","text",     ""),
1506                 array("filearchive",  "fa_storage_key",  "text",     ""),
1507                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1508                 array("image",        "img_size",        "integer",  ""),
1509                 array("image",        "img_width",       "integer",  ""),
1510                 array("image",        "img_height",      "integer",  ""),
1511                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1512                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1513                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1514                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1515                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1516                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1517                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1518                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1519                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1520                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1521                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1522                 array("mwuser",       "user_token",      "text",     ""),
1523                 array("mwuser",       "user_email_token","text",     ""),
1524                 array("objectcache",  "keyname",         "text",     ""),
1525                 array("oldimage",     "oi_height",       "integer",  ""),
1526                 array("oldimage",     "oi_size",         "integer",  ""),
1527                 array("oldimage",     "oi_width",        "integer",  ""),
1528                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1529                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1530                 array("querycache",   "qc_value",        "integer",  ""),
1531                 array("querycachetwo","qcc_value",       "integer",  ""),
1532                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1533                 array("recentchanges","rc_deleted",      "smallint", ""),
1534                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1535                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1536                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1537                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1538                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1539                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1540                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1541                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1542         );
1543
1544         $newindexes = array(
1545                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1546                 array("image",         "img_sha1",           "(img_sha1)"),
1547                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1548                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1549                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1550                 array("watchlist",     "wl_user",            "(wl_user)"),
1551         );
1552
1553         $newrules = array(
1554         );
1555
1556         foreach ($newsequences as $ns) {
1557                 if ($wgDatabase->sequenceExists($ns)) {
1558                         echo "... sequence \"$ns\" already exists\n";
1559                         continue;
1560                 }
1561
1562                 echo "Creating sequence \"$ns\"\n";
1563                 $wgDatabase->query("CREATE SEQUENCE $ns");
1564         }
1565
1566         foreach ($newtables as $nt) {
1567                 if ($wgDatabase->tableExists($nt[0])) {
1568                         echo "... table \"$nt[0]\" already exists\n";
1569                         continue;
1570                 }
1571
1572                 echo "Creating table \"$nt[0]\"\n";
1573                 dbsource(archive($nt[1]));
1574         }
1575
1576         ## Needed before newcols
1577         if ($wgDatabase->tableExists("archive2")) {
1578                 echo "Converting \"archive2\" back to normal archive table\n";
1579                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1580                         echo "Dropping rule \"archive_insert\"\n";
1581                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1582                 }
1583                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1584                         echo "Dropping rule \"archive_delete\"\n";
1585                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1586                 }
1587                 dbsource(archive("patch-remove-archive2.sql"));
1588         }
1589         else
1590                 echo "... obsolete table \"archive2\" does not exist\n";
1591
1592         foreach ($newcols as $nc) {
1593                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1594                 if (!is_null($fi)) {
1595                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1596                         continue;
1597                 }
1598
1599                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1600                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1601         }
1602
1603         foreach ($typechanges as $tc) {
1604                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1605                 if (is_null($fi)) {
1606                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1607                         exit(1);
1608                 }
1609
1610                 if ($fi->type() === $tc[2])
1611                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1612                 else {
1613                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1614                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1615                         if (strlen($tc[3])) {
1616                                 $default = array();
1617                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1618                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1619                                         $wgDatabase->query($sqldef);
1620                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1621                                 }
1622                                 $sql .= " USING $tc[3]";
1623                         }
1624                         $sql .= ";\nCOMMIT;\n";
1625                         $wgDatabase->query($sql);
1626                 }
1627         }
1628
1629         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1630                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1631                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1632                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1633                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1634         }
1635         else
1636                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1637
1638
1639         foreach ($newindexes as $ni) {
1640                 if (pg_index_exists($ni[0], $ni[1])) {
1641                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1642                         continue;
1643                 }
1644                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1645                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1646         }
1647
1648         foreach ($newrules as $nr) {
1649                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1650                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1651                         continue;
1652                 }
1653                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1654                 dbsource(archive($nr[2]));
1655         }
1656
1657         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1658                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1659                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1660                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1661                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1662         }
1663         else
1664                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1665
1666         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1667                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1668                 dbsource(archive('patch-page_deleted.sql'));
1669         }
1670         else
1671                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1672
1673         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1674         if (!$fi->nullable()) {
1675                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1676                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1677         }
1678         else
1679                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1680
1681         $pu = pg_describe_index("pagelink_unique");
1682         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1683                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1684                 $wgDatabase->query("DROP INDEX pagelink_unique");
1685                 $pu = null;
1686         }
1687         else
1688                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1689
1690         if (is_null($pu)) {
1691                 echo "Creating index \"pagelink_unique index\"\n";
1692                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1693         }
1694         else
1695                 echo "... index \"pagelink_unique_index\" already exists\n";
1696
1697         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1698                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1699         }
1700         else {
1701                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1702                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1703         }
1704
1705         # Fix ipb_address index
1706         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1707                 echo "... have ipb_address_unique\n";
1708         } else {
1709                 echo "Adding ipb_address_unique index\n";
1710                 dbsource(archive('patch-ipb_address_unique.sql'));
1711         }
1712
1713         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1714         # Add missing extension tables
1715         foreach ( $wgExtNewTables as $nt ) {
1716                 if ($wgDatabase->tableExists($nt[0])) {
1717                         echo "... table \"$nt[0]\" already exists\n";
1718                         continue;
1719                 }
1720                 echo "Creating table \"$nt[0]\"\n";
1721                 dbsource($nt[1]);
1722         }
1723         # Add missing extension fields
1724         foreach ( $wgExtPGNewFields as $nc ) {
1725                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1726                 if (!is_null($fi)) {
1727                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1728                         continue;
1729                 }
1730                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1731                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1732         }
1733         # Add missing extension indexes
1734         foreach ( $wgExtNewIndexes as $ni ) {
1735                 if (pg_index_exists($ni[0], $ni[1])) {
1736                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1737                         continue;
1738                 }
1739                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1740                 dbsource($ni[2]);
1741         }
1742
1743         # Tweak the page_title tsearch2 trigger to filter out slashes
1744         # This is create or replace, so harmless to call if not needed
1745         dbsource(archive('patch-ts2pagetitle.sql'));
1746
1747         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1748         ## in case they have the old 'default' versions
1749         if ( $numver >= 8.3 )
1750                 dbsource(archive('patch-tsearch2funcs.sql'));
1751
1752         return;
1753 }
1754