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 );
 150
 151
 152 # For extensions only, should be populated via hooks
 153 # $wgDBtype should be checked to specifiy the proper file
 154 $wgExtNewTables = array(); // table, dir
 155 $wgExtNewFields = array(); // table, column, dir
 156 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 157 $wgExtNewIndexes = array(); // table, index, dir
 158
 159 # Helper function: check if the given key is present in the updatelog table.
 160 # Obviously, only use this for updates that occur after the updatelog table was
 161 # created!
 162 function update_row_exists( $key ) {
 163         $dbr = wfGetDB( DB_SLAVE );
 164         $row = $dbr->selectRow(
 165                 'updatelog',
 166                 '1',
 167                 array( 'ul_key' => $key ),
 168                 __FUNCTION__
 169         );
 170         return (bool)$row;
 171 }
 172
 173 function rename_table( $from, $to, $patch ) {
 174         global $wgDatabase;
 175         if ( $wgDatabase->tableExists( $from ) ) {
 176                 if ( $wgDatabase->tableExists( $to ) ) {
 177                         echo "...can't move table $from to $to, $to already exists.\n";
 178                 } else {
 179                         echo "Moving table $from to $to...";
 180                         dbsource( archive($patch), $wgDatabase );
 181                         echo "ok\n";
 182                 }
 183         } else {
 184                 // Source table does not exist
 185                 // Renames are done before creations, so this is typical for a new installation
 186                 // Ignore silently
 187         }
 188 }
 189
 190 function add_table( $name, $patch, $fullpath=false ) {
 191         global $wgDatabase;
 192         if ( $wgDatabase->tableExists( $name ) ) {
 193                 echo "...$name table already exists.\n";
 194         } else {
 195                 echo "Creating $name table...";
 196                 if( $fullpath ) {
 197                         dbsource( $patch, $wgDatabase );
 198                 } else {
 199                         dbsource( archive($patch), $wgDatabase );
 200                 }
 201                 echo "ok\n";
 202         }
 203 }
 204
 205 function add_field( $table, $field, $patch, $fullpath=false ) {
 206         global $wgDatabase;
 207         if ( !$wgDatabase->tableExists( $table ) ) {
 208                 echo "...$table table does not exist, skipping new field patch\n";
 209         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 210                 echo "...have $field field in $table table.\n";
 211         } else {
 212                 echo "Adding $field field to table $table...";
 213                 if( $fullpath ) {
 214                         dbsource( $patch, $wgDatabase );
 215                 } else {
 216                         dbsource( archive($patch), $wgDatabase );
 217                 }
 218                 echo "ok\n";
 219         }
 220 }
 221
 222 function add_index( $table, $index, $patch, $fullpath=false ) {
 223         global $wgDatabase;
 224         if( $wgDatabase->indexExists( $table, $index ) ) {
 225                 echo "...$index key already set on $table table.\n";
 226         } else {
 227                 echo "Adding $index key to table $table... ";
 228                 if( $fullpath ) {
 229                         dbsource( $patch, $wgDatabase );
 230                 } else {
 231                         dbsource( archive($patch), $wgDatabase );
 232                 }
 233                 echo "ok\n";
 234         }
 235 }
 236
 237 function do_revision_updates() {
 238         global $wgSoftwareRevision;
 239         if ( $wgSoftwareRevision < 1001 ) {
 240                 update_passwords();
 241         }
 242 }
 243
 244 function update_passwords() {
 245         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 246
 247         global $wgDatabase;
 248         $fname = "Update script: update_passwords()";
 249         print "\nIt appears that you need to update the user passwords in your\n" .
 250           "database. If you have already done this (if you've run this update\n" .
 251           "script once before, for example), doing so again will make all your\n" .
 252           "user accounts inaccessible, so be sure you only do this once.\n" .
 253           "Update user passwords? (yes/no)";
 254
 255         $resp = readconsole();
 256     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 257
 258         $sql = "SELECT user_id,user_password FROM user";
 259         $source = $wgDatabase->query( $sql, $fname );
 260
 261         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 262                 $id = $row->user_id;
 263                 $oldpass = $row->user_password;
 264                 $newpass = md5( "{$id}-{$oldpass}" );
 265
 266                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 267                   "WHERE user_id={$id}";
 268                 $wgDatabase->query( $sql, $fname );
 269         }
 270 }
 271
 272 function do_interwiki_update() {
 273         # Check that interwiki table exists; if it doesn't source it
 274         global $wgDatabase, $IP;
 275         if( $wgDatabase->tableExists( "interwiki" ) ) {
 276                 echo "...already have interwiki table\n";
 277                 return true;
 278         }
 279         echo "Creating interwiki table: ";
 280         dbsource( archive("patch-interwiki.sql") );
 281         echo "ok\n";
 282         echo "Adding default interwiki definitions: ";
 283         dbsource( "$IP/maintenance/interwiki.sql" );
 284         echo "ok\n";
 285 }
 286
 287 function do_index_update() {
 288         # Check that proper indexes are in place
 289         global $wgDatabase;
 290         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 291         if( !$meta->isMultipleKey() ) {
 292                 echo "Updating indexes to 20031107: ";
 293                 dbsource( archive("patch-indexes.sql") );
 294                 echo "ok\n";
 295                 return true;
 296         }
 297         echo "...indexes seem up to 20031107 standards\n";
 298         return false;
 299 }
 300
 301 function do_image_index_update() {
 302         global $wgDatabase;
 303
 304         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 305         if( !$meta->isMultipleKey() ) {
 306                 echo "Updating indexes to 20050912: ";
 307                 dbsource( archive("patch-mimesearch-indexes.sql") );
 308                 echo "ok\n";
 309                 return true;
 310         }
 311         echo "...indexes seem up to 20050912 standards\n";
 312         return false;
 313 }
 314
 315 function do_image_name_unique_update() {
 316         global $wgDatabase;
 317         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 318                 echo "...image primary key already set.\n";
 319         } else {
 320                 echo "Making img_name the primary key... ";
 321                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 322                 echo "ok\n";
 323         }
 324 }
 325
 326 function do_logging_timestamp_index() {
 327         global $wgDatabase;
 328         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 329                 echo "...timestamp key on logging already exists.\n";
 330         } else {
 331                 echo "Adding timestamp key on logging table... ";
 332                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 333                 echo "ok\n";
 334         }
 335 }
 336
 337 function do_archive_user_index() {
 338         global $wgDatabase;
 339         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 340                 echo "...usertext,timestamp key on archive already exists.\n";
 341         } else {
 342                 echo "Adding usertext,timestamp key on archive table... ";
 343                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 344                 echo "ok\n";
 345         }
 346 }
 347
 348 function do_image_user_index() {
 349         global $wgDatabase;
 350         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 351                 echo "...usertext,timestamp key on image already exists.\n";
 352         } else {
 353                 echo "Adding usertext,timestamp key on image table... ";
 354                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 355                 echo "ok\n";
 356         }
 357 }
 358
 359 function do_oldimage_user_index() {
 360         global $wgDatabase;
 361         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 362                 echo "...usertext,timestamp key on oldimage already exists.\n";
 363         } else {
 364                 echo "Adding usertext,timestamp key on oldimage table... ";
 365                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 366                 echo "ok\n";
 367         }
 368 }
 369
 370 function do_watchlist_update() {
 371         global $wgDatabase;
 372         $fname = 'do_watchlist_update';
 373         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 374                 echo "The watchlist table is already set up for email notification.\n";
 375         } else {
 376                 echo "Adding wl_notificationtimestamp field for email notification management.";
 377                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 378                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 379                 echo "ok\n";
 380         }
 381         # Check if we need to add talk page rows to the watchlist
 382         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 383         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 384         if ( $talk != $nontalk ) {
 385                 echo "Adding missing watchlist talk page rows... ";
 386                 flush();
 387
 388                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 389                         array(
 390                                 'wl_user' => 'wl_user',
 391                                 'wl_namespace' => 'wl_namespace | 1',
 392                                 'wl_title' => 'wl_title',
 393                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 394                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 395                 echo "ok\n";
 396         } else {
 397                 echo "...watchlist talk page rows already present\n";
 398         }
 399 }
 400
 401 function do_copy_newtalk_to_watchlist() {
 402         global $wgDatabase;
 403         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 404
 405         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 406                 $wgDatabase->tableName( 'user_newtalk' ) );
 407         $num_newtalks=$wgDatabase->numRows($res);
 408         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 409
 410         $user = new User();
 411         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 412                 $wluser = $wgDatabase->fetchObject( $res );
 413                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 414                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 415                                 $wgDatabase->replace( 'watchlist',
 416                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 417                                           array('wl_user'                       => 0,
 418                                                 'wl_namespace'                  => NS_USER_TALK,
 419                                                 'wl_title'                      => $wluser->user_ip,
 420                                                 'wl_notificationtimestamp'      => '19700101000000'
 421                                                 ), 'updaters.inc::do_watchlist_update2'
 422                                         );
 423                         }
 424                 } else { # normal users ... have user_ids
 425                         $user->setID($wluser->user_id);
 426                         $wgDatabase->replace( 'watchlist',
 427                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 428                                   array('wl_user'                       => $user->getID(),
 429                                         'wl_namespace'                  => NS_USER_TALK,
 430                                         'wl_title'                      => $user->getName(),
 431                                         'wl_notificationtimestamp'      => '19700101000000'
 432                                         ), 'updaters.inc::do_watchlist_update3'
 433                                 );
 434                 }
 435         }
 436         echo "Done.\n";
 437 }
 438
 439
 440 function do_user_update() {
 441         global $wgDatabase;
 442         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 443                 echo "User table contains old email authentication field. Dropping... ";
 444                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 445                 echo "ok\n";
 446         } else {
 447                 echo "...user table does not contain old email authentication field.\n";
 448         }
 449 }
 450
 451 /**
 452  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 453  * which causes a collation mismatch error on joins in MySQL 4.1.
 454  */
 455 function check_bin( $table, $field, $patchFile ) {
 456         global $wgDatabase, $wgDBtype;
 457         if ($wgDBtype != 'mysql')
 458                 return;
 459         $tableName = $wgDatabase->tableName( $table );
 460         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 461         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 462         $wgDatabase->freeResult( $res );
 463
 464         if( in_array( 'binary', $flags ) ) {
 465                 echo "$table table has correct $field encoding.\n";
 466         } else {
 467                 echo "Fixing $field encoding on $table table... ";
 468                 dbsource( archive( $patchFile ), $wgDatabase );
 469                 echo "ok\n";
 470         }
 471 }
 472
 473 function do_schema_restructuring() {
 474         global $wgDatabase;
 475         $fname="do_schema_restructuring";
 476         if ( $wgDatabase->tableExists( 'page' ) ) {
 477                 echo "...page table already exists.\n";
 478         } else {
 479                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 480                 echo wfTimestamp( TS_DB );
 481                 echo "......checking for duplicate entries.\n"; flush();
 482
 483                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 484
 485                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 486                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 487
 488                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 489                         echo wfTimestamp( TS_DB );
 490                         echo "......<b>Found duplicate entries</b>\n";
 491                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 492                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 493                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 494                                         $duplicate[$row->cur_namespace] = array();
 495                                 }
 496                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 497                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 498                         }
 499                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 500                         $firstCond = true;
 501                         foreach ( $duplicate as $ns => $titles ) {
 502                                 if ( $firstCond ) {
 503                                         $firstCond = false;
 504                                 } else {
 505                                         $sql .= ' OR ';
 506                                 }
 507                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 508                                 $first = true;
 509                                 foreach ( $titles as $t ) {
 510                                         if ( $first ) {
 511                                                 $sql .= $wgDatabase->addQuotes( $t );
 512                                                 $first = false;
 513                                         } else {
 514                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 515                                         }
 516                                 }
 517                                 $sql .= ") ) \n";
 518                         }
 519                         # By sorting descending, the most recent entry will be the first in the list.
 520                         # All following entries will be deleted by the next while-loop.
 521                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 522
 523                         $rows = $wgDatabase->query( $sql, $fname );
 524
 525                         $prev_title = $prev_namespace = false;
 526                         $deleteId = array();
 527
 528                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 529                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 530                                         $deleteId[] = $row->cur_id;
 531                                 }
 532                                 $prev_title     = $row->cur_title;
 533                                 $prev_namespace = $row->cur_namespace;
 534                         }
 535                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 536                         $rows = $wgDatabase->query( $sql, $fname );
 537                         echo wfTimestamp( TS_DB );
 538                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 539                 }
 540
 541
 542                 echo wfTimestamp( TS_DB );
 543                 echo "......Creating tables.\n";
 544                 $wgDatabase->query("CREATE TABLE $page (
 545                         page_id int(8) unsigned NOT NULL auto_increment,
 546                         page_namespace int NOT NULL,
 547                         page_title varchar(255) binary NOT NULL,
 548                         page_restrictions tinyblob NOT NULL,
 549                         page_counter bigint(20) unsigned NOT NULL default '0',
 550                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 551                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 552                         page_random real unsigned NOT NULL,
 553                         page_touched char(14) binary NOT NULL default '',
 554                         page_latest int(8) unsigned NOT NULL,
 555                         page_len int(8) unsigned NOT NULL,
 556
 557                         PRIMARY KEY page_id (page_id),
 558                         UNIQUE INDEX name_title (page_namespace,page_title),
 559                         INDEX (page_random),
 560                         INDEX (page_len)
 561                         ) ENGINE=InnoDB", $fname );
 562                 $wgDatabase->query("CREATE TABLE $revision (
 563                         rev_id int(8) unsigned NOT NULL auto_increment,
 564                         rev_page int(8) unsigned NOT NULL,
 565                         rev_comment tinyblob NOT NULL,
 566                         rev_user int(5) unsigned NOT NULL default '0',
 567                         rev_user_text varchar(255) binary NOT NULL default '',
 568                         rev_timestamp char(14) binary NOT NULL default '',
 569                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 570                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 571                         rev_len int(8) unsigned,
 572                         rev_parent_id int(8) unsigned default NULL,
 573                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 574                         UNIQUE INDEX rev_id (rev_id),
 575                         INDEX rev_timestamp (rev_timestamp),
 576                         INDEX page_timestamp (rev_page,rev_timestamp),
 577                         INDEX user_timestamp (rev_user,rev_timestamp),
 578                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 579                         ) ENGINE=InnoDB", $fname );
 580
 581                 echo wfTimestamp( TS_DB );
 582                 echo "......Locking tables.\n";
 583                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 584
 585                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 586                 echo wfTimestamp( TS_DB );
 587                 echo "......maxold is {$maxold}\n";
 588
 589                 echo wfTimestamp( TS_DB );
 590                 global $wgLegacySchemaConversion;
 591                 if( $wgLegacySchemaConversion ) {
 592                         // Create HistoryBlobCurStub entries.
 593                         // Text will be pulled from the leftover 'cur' table at runtime.
 594                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 595                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 596                         $cur_flags = "'object'";
 597                 } else {
 598                         // Copy all cur text in immediately: this may take longer but avoids
 599                         // having to keep an extra table around.
 600                         echo "......Moving text from cur.\n";
 601                         $cur_text = 'cur_text';
 602                         $cur_flags = "''";
 603                 }
 604                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 605                                 old_timestamp, old_minor_edit, old_flags)
 606                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 607                         FROM $cur", $fname );
 608
 609                 echo wfTimestamp( TS_DB );
 610                 echo "......Setting up revision table.\n";
 611                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 612                                 rev_minor_edit)
 613                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 614                                 old_timestamp, old_minor_edit
 615                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 616
 617                 echo wfTimestamp( TS_DB );
 618                 echo "......Setting up page table.\n";
 619                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 620                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 621                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 622                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 623                         FROM $cur,$revision
 624                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 625
 626                 echo wfTimestamp( TS_DB );
 627                 echo "......Unlocking tables.\n";
 628                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 629
 630                 echo wfTimestamp( TS_DB );
 631                 echo "......Renaming old.\n";
 632                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 633
 634                 echo wfTimestamp( TS_DB );
 635                 echo "...done.\n";
 636         }
 637 }
 638
 639 function do_inverse_timestamp() {
 640         global $wgDatabase;
 641         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 642                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 643                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 644                 echo "ok\n";
 645         } else {
 646                 echo "revision timestamp indexes already up to 2005-03-13\n";
 647         }
 648 }
 649
 650 function do_text_id() {
 651         global $wgDatabase;
 652         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 653                 echo "...rev_text_id already in place.\n";
 654         } else {
 655                 echo "Adding rev_text_id field... ";
 656                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 657                 echo "ok\n";
 658         }
 659 }
 660
 661 function do_namespace_size() {
 662         $tables = array(
 663                 'page'          => 'page',
 664                 'archive'       => 'ar',
 665                 'recentchanges' => 'rc',
 666                 'watchlist'     => 'wl',
 667                 'querycache'    => 'qc',
 668                 'logging'       => 'log',
 669         );
 670         foreach( $tables as $table => $prefix ) {
 671                 do_namespace_size_on( $table, $prefix );
 672                 flush();
 673         }
 674 }
 675
 676 function do_namespace_size_on( $table, $prefix ) {
 677         global $wgDatabase, $wgDBtype;
 678         if ($wgDBtype != 'mysql')
 679                 return;
 680         $field = $prefix . '_namespace';
 681
 682         $tablename = $wgDatabase->tableName( $table );
 683         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 684         $info = $wgDatabase->fetchObject( $result );
 685         $wgDatabase->freeResult( $result );
 686
 687         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 688                 echo "...$field is already a full int ($info->Type).\n";
 689         } else {
 690                 echo "Promoting $field from $info->Type to int... ";
 691
 692                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 693                 $wgDatabase->query( $sql );
 694
 695                 echo "ok\n";
 696         }
 697 }
 698
 699 function do_pagelinks_update() {
 700         global $wgDatabase;
 701         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 702                 echo "...already have pagelinks table.\n";
 703         } else {
 704                 echo "Converting links and brokenlinks tables to pagelinks... ";
 705                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 706                 echo "ok\n";
 707                 flush();
 708
 709                 global $wgCanonicalNamespaceNames;
 710                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 711                         if( $ns != 0 ) {
 712                                 do_pagelinks_namespace( $ns );
 713                         }
 714                 }
 715         }
 716 }
 717
 718 function do_pagelinks_namespace( $namespace ) {
 719         global $wgDatabase, $wgContLang;
 720
 721         $ns = intval( $namespace );
 722         echo "Cleaning up broken links for namespace $ns... ";
 723
 724         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 725         $name = $wgContLang->getNsText( $ns );
 726         $prefix = $wgDatabase->strencode( $name );
 727         $likeprefix = str_replace( '_', '\\_', $prefix);
 728
 729         $sql = "UPDATE $pagelinks
 730                    SET pl_namespace=$ns,
 731                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 732                  WHERE pl_namespace=0
 733                    AND pl_title LIKE '$likeprefix:%'";
 734
 735         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 736         echo "ok\n";
 737 }
 738
 739 function do_drop_img_type() {
 740         global $wgDatabase;
 741
 742         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 743                 echo "Dropping unused img_type field in image table... ";
 744                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 745                 echo "ok\n";
 746         } else {
 747                 echo "No img_type field in image table; Good.\n";
 748         }
 749 }
 750
 751 function do_old_links_update() {
 752         global $wgDatabase;
 753         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 754                 echo "Already have pagelinks; skipping old links table updates.\n";
 755         } else {
 756                 convertLinks(); flush();
 757         }
 758 }
 759
 760 function do_user_unique_update() {
 761         global $wgDatabase;
 762         $duper = new UserDupes( $wgDatabase );
 763         if( $duper->hasUniqueIndex() ) {
 764                 echo "Already have unique user_name index.\n";
 765         } else {
 766                 if( !$duper->clearDupes() ) {
 767                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 768                 }
 769                 echo "Adding unique index on user_name... ";
 770                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 771                 echo "ok\n";
 772         }
 773 }
 774
 775 function do_user_groups_update() {
 776         $fname = 'do_user_groups_update';
 777         global $wgDatabase;
 778
 779         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 780                 echo "...user_groups table already exists.\n";
 781                 return do_user_groups_reformat();
 782         }
 783
 784         echo "Adding user_groups table... ";
 785         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 786         echo "ok\n";
 787
 788         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 789                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 790                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 791                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 792                         echo "ok\n";
 793                 } else {
 794                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 795                         echo "*** You may need to manually configure some sysops by manipulating\n";
 796                         echo "*** the user_groups table.\n";
 797                         return;
 798                 }
 799         }
 800
 801         echo "Converting user_rights table to user_groups... ";
 802         $result = $wgDatabase->select( 'user_rights',
 803                 array( 'ur_user', 'ur_rights' ),
 804                 array( "ur_rights != ''" ),
 805                 $fname );
 806
 807         while( $row = $wgDatabase->fetchObject( $result ) ) {
 808                 $groups = array_unique(
 809                         array_map( 'trim',
 810                                 explode( ',', $row->ur_rights ) ) );
 811
 812                 foreach( $groups as $group ) {
 813                         $wgDatabase->insert( 'user_groups',
 814                                 array(
 815                                         'ug_user'  => $row->ur_user,
 816                                         'ug_group' => $group ),
 817                                 $fname );
 818                 }
 819         }
 820         $wgDatabase->freeResult( $result );
 821         echo "ok\n";
 822 }
 823
 824 function do_user_groups_reformat() {
 825         # Check for bogus formats from previous 1.5 alpha code.
 826         global $wgDatabase;
 827         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 828
 829         if( $info->type() == 'int' ) {
 830                 $oldug = $wgDatabase->tableName( 'user_groups' );
 831                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 832                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 833                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 834                 echo "ok\n";
 835
 836                 echo "Re-adding fresh user_groups table... ";
 837                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 838                 echo "ok\n";
 839
 840                 echo "***\n";
 841                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 842                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 843                 echo "***\n";
 844         } else {
 845                 echo "...user_groups is in current format.\n";
 846         }
 847
 848 }
 849
 850 function do_watchlist_null() {
 851         # Make sure wl_notificationtimestamp can be NULL,
 852         # and update old broken items.
 853         global $wgDatabase;
 854         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 855
 856         if( !$info->nullable() ) {
 857                 echo "Making wl_notificationtimestamp nullable... ";
 858                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 859                 echo "ok\n";
 860         } else {
 861                 echo "...wl_notificationtimestamp is already nullable.\n";
 862         }
 863
 864 }
 865
 866 /**
 867  * @bug 3946
 868  */
 869 function do_page_random_update() {
 870         global $wgDatabase;
 871
 872         echo "Setting page_random to a random value on rows where it equals 0...";
 873
 874         $page = $wgDatabase->tableName( 'page' );
 875         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 876         $rows = $wgDatabase->affectedRows();
 877
 878         echo "changed $rows rows\n";
 879 }
 880
 881 function do_templatelinks_update() {
 882         global $wgDatabase, $wgLoadBalancer;
 883         $fname = 'do_templatelinks_update';
 884
 885         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 886                 echo "...templatelinks table already exists\n";
 887                 return;
 888         }
 889         echo "Creating templatelinks table...\n";
 890         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 891         echo "Populating...\n";
 892         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 893                 // Slow, replication-friendly update
 894                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 895                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 896                 $count = 0;
 897                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 898                         $count = ($count + 1) % 100;
 899                         if ( $count == 0 ) {
 900                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 901                                         wfWaitForSlaves( 10 );
 902                                 } else {
 903                                         sleep( 1 );
 904                                 }
 905                         }
 906                         $wgDatabase->insert( 'templatelinks',
 907                                 array(
 908                                         'tl_from' => $row->pl_from,
 909                                         'tl_namespace' => $row->pl_namespace,
 910                                         'tl_title' => $row->pl_title,
 911                                 ), $fname
 912                         );
 913
 914                 }
 915                 $wgDatabase->freeResult( $res );
 916         } else {
 917                 // Fast update
 918                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 919                         array(
 920                                 'tl_from' => 'pl_from',
 921                                 'tl_namespace' => 'pl_namespace',
 922                                 'tl_title' => 'pl_title'
 923                         ), array(
 924                                 'pl_namespace' => 10
 925                         ), $fname
 926                 );
 927         }
 928         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 929 }
 930
 931 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 932 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 933 function do_rc_indices_update() {
 934         global $wgDatabase;
 935         echo( "Checking for additional recent changes indices...\n" );
 936
 937         $indexes = array(
 938                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 939                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 940         );
 941
 942         foreach( $indexes as $index => $patch ) {
 943                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 944                 if( !$info ) {
 945                         echo( "...index `{$index}` not found; adding..." );
 946                         dbsource( archive( $patch ) );
 947                         echo( "done.\n" );
 948                 } else {
 949                         echo( "...index `{$index}` seems ok.\n" );
 950                 }
 951         }
 952 }
 953
 954 function index_has_field($table, $index, $field) {
 955         global $wgDatabase;
 956         echo( "Checking if $table index $index includes field $field...\n" );
 957         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 958         if( $info ) {
 959                 foreach($info as $row) {
 960                         if($row->Column_name == $field) {
 961                                 echo( "...index $index on table $table seems to be ok\n" );
 962                                 return true;
 963                         }
 964                 }
 965         }
 966         echo( "...index $index on table $table has no field $field; adding\n" );
 967         return false;
 968 }
 969
 970 function do_backlinking_indices_update() {
 971         echo( "Checking for backlinking indices...\n" );
 972         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 973                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 974                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 975         {
 976                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 977                 echo( "...backlinking indices updated\n" );
 978         }
 979 }
 980
 981 function do_categorylinks_indices_update() {
 982         echo( "Checking for categorylinks indices...\n" );
 983         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 984         {
 985                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 986                 echo( "...categorylinks indices updated\n" );
 987         }
 988 }
 989
 990 function do_filearchive_indices_update() {
 991         global $wgDatabase;
 992         echo( "Checking filearchive indices...\n" );
 993         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
 994         if ( !$info )
 995         {
 996                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
 997                 echo( "...filearchive indices updated\n" );
 998         }
 999 }
1000
1001 function maybe_do_profiling_memory_update() {
1002         global $wgDatabase;
1003         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1004                 // Simply ignore
1005         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1006                 echo "profiling table has pf_memory field.\n";
1007         } else {
1008                 echo "Adding pf_memory field to table profiling...";
1009                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1010                 echo "ok\n";
1011         }
1012 }
1013
1014 function do_stats_init() {
1015         // Sometimes site_stats table is not properly populated.
1016         global $wgDatabase;
1017         echo "Checking site_stats row...";
1018         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1019         if( $row === false ) {
1020                 echo "data is missing! rebuilding...\n";
1021
1022                 global $IP;
1023                 require_once "$IP/maintenance/initStats.inc";
1024                 wfInitStats();
1025         } else {
1026                 echo "ok.\n";
1027         }
1028 }
1029
1030 function purge_cache() {
1031         global $wgDatabase;
1032         # We can't guarantee that the user will be able to use TRUNCATE,
1033         # but we know that DELETE is available to us
1034         echo( "Purging caches..." );
1035         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1036         echo( "done.\n" );
1037 }
1038
1039 function do_all_updates( $shared = false, $purge = true ) {
1040         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1041
1042         wfRunHooks('LoadExtensionSchemaUpdates');
1043
1044         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1045
1046         if ($wgDBtype === 'postgres') {
1047                 do_postgres_updates();
1048                 return;
1049         }
1050
1051         # Run core updates in sequence...
1052         global $wgMysqlUpdates;
1053         foreach( $wgMysqlUpdates as $params ) {
1054                 $func = array_shift( $params );
1055                 call_user_func_array( $func, $params );
1056                 flush();
1057         }
1058
1059         /// @fixme clean up this mess too!
1060         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1061         # Add missing extension tables
1062         foreach ( $wgExtNewTables as $tableRecord ) {
1063                 add_table( $tableRecord[0], $tableRecord[1], true );
1064                 flush();
1065         }
1066         # Add missing extension fields
1067         foreach ( $wgExtNewFields as $fieldRecord ) {
1068                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1069                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1070                 }
1071                 flush();
1072         }
1073         # Add missing extension indexes
1074         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1075                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1076                 flush();
1077         }
1078
1079
1080         echo "Deleting old default messages (this may take a long time!)..."; flush();
1081         deleteDefaultMessages();
1082         echo "Done\n"; flush();
1083
1084         do_stats_init(); flush();
1085
1086         if( $purge ) {
1087                 purge_cache();
1088                 flush();
1089         }
1090 }
1091
1092 function archive($name) {
1093         global $wgDBtype, $IP;
1094         switch ($wgDBtype) {
1095         case "postgres":
1096                 return "$IP/maintenance/postgres/archives/$name";
1097         default:
1098                 return "$IP/maintenance/archives/$name";
1099         }
1100 }
1101
1102 function do_restrictions_update() {
1103         # Adding page_restrictions table, obsoleting page.page_restrictions.
1104         #  Migrating old restrictions to new table
1105         # -- Andrew Garrett, January 2007.
1106
1107         global $wgDatabase;
1108
1109         $name = 'page_restrictions';
1110         $patch = 'patch-page_restrictions.sql';
1111         $patch2 = 'patch-page_restrictions_sortkey.sql';
1112
1113         if ( $wgDatabase->tableExists( $name ) ) {
1114                 echo "...$name table already exists.\n";
1115         } else {
1116                 echo "Creating $name table...";
1117                 dbsource( archive($patch), $wgDatabase );
1118                 dbsource( archive($patch2), $wgDatabase );
1119                 echo "ok\n";
1120
1121                 echo "Migrating old restrictions to new table...";
1122
1123                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1124
1125                 $count = 0;
1126
1127                 while ($row = $wgDatabase->fetchObject($res) ) {
1128                         $count = ($count + 1) % 100;
1129
1130                         if ($count == 0) {
1131                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1132                                         wfWaitForSlaves( 10 );
1133                                 } else {
1134                                         sleep( 1 );
1135                                 }
1136                         }
1137
1138                         # Figure out what the restrictions are..
1139                         $id = $row->page_id;
1140                         $flatrestrictions = explode( ':', $row->page_restrictions );
1141
1142                         $restrictions = array ();
1143                         foreach( $flatrestrictions as $restriction ) {
1144                                 $thisrestriction = explode( '=', $restriction, 2 );
1145                                 if( count( $thisrestriction ) == 1 ) {
1146                                         // Compatibility with old protections from before
1147                                         // separate move protection was added.
1148                                         list( $level ) = $thisrestriction;
1149                                         if( $level ) {
1150                                                 $restrictions['edit'] = $level;
1151                                                 $restrictions['move'] = $level;
1152                                         }
1153                                 } else {
1154                                         list( $type, $level ) = $thisrestriction;
1155                                         if( $level ) {
1156                                                 $restrictions[$type] = $level;
1157                                         }
1158                                 }
1159
1160                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1161
1162                         }
1163
1164                         foreach( $restrictions as $type => $level ) {
1165                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1166                                                                                         'pr_type' => $type,
1167                                                                                         'pr_level' => $level,
1168                                                                                         'pr_cascade' => 0,
1169                                                                                         'pr_expiry' => 'infinity' ),
1170                                                                                         __METHOD__ );
1171                         }
1172                 }
1173                 print "ok\n";
1174         }
1175 }
1176
1177 function do_category_population() {
1178         if( update_row_exists( 'populate category' ) ) {
1179                 echo "...category table already populated.\n";
1180                 return;
1181         }
1182         require_once( 'populateCategory.inc' );
1183         echo "Populating category table, printing progress markers.  ".
1184 "For large databases, you\n".
1185 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1186 "populateCategory.php.\n";
1187         populateCategory( '', 10, 0, true );
1188         echo "Done populating category table.\n";
1189 }
1190
1191 function do_populate_parent_id() {
1192         if( update_row_exists( 'populate rev_parent_id' ) ) {
1193                 echo "...rev_parent_id column already populated.\n";
1194                 return;
1195         }
1196         require_once( 'populateParentId.inc' );
1197
1198         global $wgDatabase;
1199         populate_rev_parent_id( $wgDatabase );
1200 }
1201
1202 function update_password_format() {
1203         if ( update_row_exists( 'password format' ) ) {
1204                 echo "...password hash format already changed\n";
1205                 return;
1206         }
1207
1208         echo "Updating password hash format...";
1209
1210         global $wgDatabase, $wgPasswordSalt;
1211         $user = $wgDatabase->tableName( 'user' );
1212         if ( $wgPasswordSalt ) {
1213                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1214                         "WHERE user_password NOT LIKE ':%'";
1215         } else {
1216                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1217                         "WHERE user_password NOT LIKE ':%'";
1218         }
1219         $wgDatabase->query( $sql, __METHOD__ );
1220         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1221
1222         echo "done\n";
1223 }
1224
1225 function
1226 pg_describe_table($table)
1227 {
1228 global  $wgDatabase, $wgDBmwschema;
1229         $q = <<<END
1230 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1231         WHERE pg_class.relnamespace = pg_namespace.oid
1232           AND attrelid=pg_class.oid AND attnum > 0
1233           AND relname=%s AND nspname=%s
1234 END;
1235         $res = $wgDatabase->query(sprintf($q,
1236                         $wgDatabase->addQuotes($table),
1237                         $wgDatabase->addQuotes($wgDBmwschema)));
1238         if (!$res)
1239                 return null;
1240
1241         $cols = array();
1242         while ($r = $wgDatabase->fetchRow($res)) {
1243                 $cols[] = array(
1244                                 "name" => $r[0],
1245                                 "ord" => $r[1],
1246                         );
1247         }
1248         return $cols;
1249 }
1250
1251 function
1252 pg_describe_index($idx)
1253 {
1254 global  $wgDatabase, $wgDBmwschema;
1255
1256         // first fetch the key (which is a list of columns ords) and
1257         // the table the index applies to (an oid)
1258         $q = <<<END
1259 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1260         WHERE nspname=%s
1261           AND pg_class.relnamespace = pg_namespace.oid
1262           AND relname=%s
1263           AND indexrelid=pg_class.oid
1264 END;
1265         $res = $wgDatabase->query(sprintf($q,
1266                         $wgDatabase->addQuotes($wgDBmwschema),
1267                         $wgDatabase->addQuotes($idx)));
1268         if (!$res)
1269                 return null;
1270         if (!($r = $wgDatabase->fetchRow($res))) {
1271                 $wgDatabase->freeResult($res);
1272                 return null;
1273         }
1274
1275         $indkey = $r[0];
1276         $relid = intval($r[1]);
1277         $indkeys = explode(" ", $indkey);
1278         $wgDatabase->freeResult($res);
1279
1280         $colnames = array();
1281         foreach ($indkeys as $rid) {
1282                 $query = <<<END
1283 SELECT attname FROM pg_class, pg_attribute
1284         WHERE attrelid=$relid
1285           AND attnum=%d
1286           AND attrelid=pg_class.oid
1287 END;
1288                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1289                 if (!$r2)
1290                         return null;
1291                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1292                         $wgDatabase->freeResult($r2);
1293                         return null;
1294                 }
1295                 $colnames[] = $row2[0];
1296                 $wgDatabase->freeResult($r2);
1297         }
1298
1299         return $colnames;
1300 }
1301
1302 function
1303 pg_index_exists($table, $index)
1304 {
1305 global  $wgDatabase, $wgDBmwschema;
1306         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1307                         array(  "indexname" => $index,
1308                                 "tablename" => $table,
1309                                 "schemaname" => $wgDBmwschema));
1310         return $exists === $index;
1311 }
1312
1313 function
1314 pg_fkey_deltype($fkey)
1315 {
1316 global  $wgDatabase, $wgDBmwschema;
1317         $q = <<<END
1318 SELECT confdeltype FROM pg_constraint, pg_namespace
1319         WHERE connamespace=pg_namespace.oid
1320           AND nspname=%s
1321           AND conname=%s;
1322 END;
1323         $r = $wgDatabase->query(sprintf($q,
1324                 $wgDatabase->addQuotes($wgDBmwschema),
1325                 $wgDatabase->addQuotes($fkey)));
1326         if (!($row = $wgDatabase->fetchRow($r)))
1327                 return null;
1328         return $row[0];
1329 }
1330
1331 function
1332 pg_rule_def($table, $rule)
1333 {
1334 global  $wgDatabase, $wgDBmwschema;
1335         $q = <<<END
1336 SELECT definition FROM pg_rules
1337         WHERE schemaname = %s
1338           AND tablename = %s
1339           AND rulename = %s
1340 END;
1341         $r = $wgDatabase->query(sprintf($q,
1342                         $wgDatabase->addQuotes($wgDBmwschema),
1343                         $wgDatabase->addQuotes($table),
1344                         $wgDatabase->addQuotes($rule)));
1345         $row = $wgDatabase->fetchRow($r);
1346         if (!$row)
1347                 return null;
1348         $d = $row[0];
1349         $wgDatabase->freeResult($r);
1350         return $d;
1351 }
1352
1353 function do_postgres_updates() {
1354         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1355
1356         ## Gather version numbers in case we need them
1357         $version = $wgDatabase->getServerVersion(); ## long string
1358         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1359
1360         $wgShowExceptionDetails = 1;
1361
1362         # Just in case their LocalSettings.php does not have this:
1363         if ( !isset( $wgDBmwschema ))
1364                 $wgDBmwschema = 'mediawiki';
1365
1366         # Verify that this user is configured correctly
1367         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1368         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1369         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1370         $conf = array();
1371         foreach( explode( '*', $config ) as $c ) {
1372                 list( $x,$y ) = explode( '=', $c );
1373                 $conf[$x] = $y;
1374         }
1375         if( !array_key_exists( 'search_path', $conf ) ) {
1376                 $search_path = '';
1377         }
1378         else {
1379                 $search_path = $conf['search_path'];
1380         }
1381         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1382                 echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1383                 $search_path = "$wgDBmwschema, $search_path";
1384         }
1385         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1386                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1387                 $search_path = "$search_path, $wgDBts2schema";
1388         }
1389         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1390                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1391                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1392         }
1393         else {
1394                 $path = $conf['search_path'];
1395                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1396         }
1397         $goodconf = array(
1398                 'client_min_messages' => 'error',
1399                 'DateStyle'           => 'ISO, YMD',
1400                 'TimeZone'            => 'GMT'
1401         );
1402         foreach( array_keys( $goodconf ) AS $key ) {
1403                 $value = $goodconf[$key];
1404                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1405                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1406                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1407                         $wgDatabase->doQuery( "SET $key = '$value'" );
1408                 }
1409                 else {
1410                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1411                 }
1412         }
1413
1414         $newsequences = array(
1415                 "log_log_id_seq",
1416                 "pr_id_val",
1417         );
1418
1419         $newtables = array(
1420                 array("category",          "patch-category.sql"),
1421                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1422                 array("mwuser",            "patch-mwuser.sql"),
1423                 array("pagecontent",       "patch-pagecontent.sql"),
1424                 array("querycachetwo",     "patch-querycachetwo.sql"),
1425                 array("page_props",        "patch-page_props.sql"),
1426                 array("page_restrictions", "patch-page_restrictions.sql"),
1427                 array("profiling",         "patch-profiling.sql"),
1428                 array("protected_titles",  "patch-protected_titles.sql"),
1429                 array("redirect",          "patch-redirect.sql"),
1430                 array("updatelog",         "patch-updatelog.sql"),
1431         );
1432
1433         $newcols = array(
1434                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1435                 array("archive",       "ar_len",               "INTEGER"),
1436                 array("archive",       "ar_page_id",           "INTEGER"),
1437                 array("archive",       "ar_parent_id",         "INTEGER"),
1438                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1439                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT '0'"),
1440                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1441                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT '0'"),
1442                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT '1'"),
1443                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1444                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT '1'"),
1445                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1446                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1447                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1448                 array("logging",       "log_params",           "TEXT"),
1449                 array("mwuser",        "user_editcount",       "INTEGER"),
1450                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1451                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1452                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1453                 array("oldimage",      "oi_media_type",        "TEXT"),
1454                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1455                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1456                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1457                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1458                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1459                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1460                 array("recentchanges", "rc_log_action",        "TEXT"),
1461         array("recentchanges", "rc_log_type",          "TEXT"),
1462         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1463                 array("recentchanges", "rc_new_len",           "INTEGER"),
1464                 array("recentchanges", "rc_old_len",           "INTEGER"),
1465                 array("recentchanges", "rc_params",            "TEXT"),
1466                 array("revision",      "rev_len",              "INTEGER"),
1467                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1468                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1469                 array("site_stats",    "ss_active_users",      "INTERGER DEFAULT '-1'"),
1470         );
1471
1472
1473         # table, column, desired type, USING clause if needed (with new default if needed)
1474         $typechanges = array(
1475                 array("archive",      "ar_deleted",      "smallint", ""),
1476                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1477                 array("filearchive",  "fa_deleted",      "smallint", ""),
1478                 array("filearchive",  "fa_height",       "integer",  ""),
1479                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1480                 array("filearchive",  "fa_size",         "integer",  ""),
1481                 array("filearchive",  "fa_width",        "integer",  ""),
1482                 array("filearchive",  "fa_storage_group","text",     ""),
1483                 array("filearchive",  "fa_storage_key",  "text",     ""),
1484                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1485                 array("image",        "img_size",        "integer",  ""),
1486                 array("image",        "img_width",       "integer",  ""),
1487                 array("image",        "img_height",      "integer",  ""),
1488                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1489                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1490                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1491                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1492                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1493                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1494                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1495                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1496                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1497                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1498                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1499                 array("mwuser",       "user_token",      "text",     ""),
1500                 array("mwuser",       "user_email_token","text",     ""),
1501                 array("objectcache",  "keyname",         "text",     ""),
1502                 array("oldimage",     "oi_height",       "integer",  ""),
1503                 array("oldimage",     "oi_size",         "integer",  ""),
1504                 array("oldimage",     "oi_width",        "integer",  ""),
1505                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1506                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1507                 array("querycache",   "qc_value",        "integer",  ""),
1508                 array("querycachetwo","qcc_value",       "integer",  ""),
1509                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1510                 array("recentchanges","rc_deleted",      "smallint", ""),
1511                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1512                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1513                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1514                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1515                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1516                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1517                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1518                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1519         );
1520
1521         $newindexes = array(
1522                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1523                 array("image",         "img_sha1",           "(img_sha1)"),
1524                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1525                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1526                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1527                 array("watchlist",     "wl_user",            "(wl_user)"),
1528         );
1529
1530         $newrules = array(
1531         );
1532
1533         foreach ($newsequences as $ns) {
1534                 if ($wgDatabase->sequenceExists($ns)) {
1535                         echo "... sequence \"$ns\" already exists\n";
1536                         continue;
1537                 }
1538
1539                 echo "Creating sequence \"$ns\"\n";
1540                 $wgDatabase->query("CREATE SEQUENCE $ns");
1541         }
1542
1543         foreach ($newtables as $nt) {
1544                 if ($wgDatabase->tableExists($nt[0])) {
1545                         echo "... table \"$nt[0]\" already exists\n";
1546                         continue;
1547                 }
1548
1549                 echo "Creating table \"$nt[0]\"\n";
1550                 dbsource(archive($nt[1]));
1551         }
1552
1553         ## Needed before newcols
1554         if ($wgDatabase->tableExists("archive2")) {
1555                 echo "Converting \"archive2\" back to normal archive table\n";
1556                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1557                         echo "Dropping rule \"archive_insert\"\n";
1558                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1559                 }
1560                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1561                         echo "Dropping rule \"archive_delete\"\n";
1562                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1563                 }
1564                 dbsource(archive("patch-remove-archive2.sql"));
1565         }
1566         else
1567                 echo "... obsolete table \"archive2\" does not exist\n";
1568
1569         foreach ($newcols as $nc) {
1570                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1571                 if (!is_null($fi)) {
1572                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1573                         continue;
1574                 }
1575
1576                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1577                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1578         }
1579
1580         foreach ($typechanges as $tc) {
1581                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1582                 if (is_null($fi)) {
1583                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1584                         exit(1);
1585                 }
1586
1587                 if ($fi->type() === $tc[2])
1588                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1589                 else {
1590                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1591                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1592                         if (strlen($tc[3])) {
1593                                 $default = array();
1594                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1595                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1596                                         $wgDatabase->query($sqldef);
1597                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1598                                 }
1599                                 $sql .= " USING $tc[3]";
1600                         }
1601                         $sql .= ";\nCOMMIT;\n";
1602                         $wgDatabase->query($sql);
1603                 }
1604         }
1605
1606         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1607                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1608                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1609                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1610                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1611         }
1612         else
1613                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1614
1615
1616         foreach ($newindexes as $ni) {
1617                 if (pg_index_exists($ni[0], $ni[1])) {
1618                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1619                         continue;
1620                 }
1621                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1622                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1623         }
1624
1625         foreach ($newrules as $nr) {
1626                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1627                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1628                         continue;
1629                 }
1630                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1631                 dbsource(archive($nr[2]));
1632         }
1633
1634         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1635                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1636                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1637                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1638                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1639         }
1640         else
1641                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1642
1643         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1644                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1645                 dbsource(archive('patch-page_deleted.sql'));
1646         }
1647         else
1648                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1649
1650         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1651         if (!$fi->nullable()) {
1652                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1653                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1654         }
1655         else
1656                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1657
1658         $pu = pg_describe_index("pagelink_unique");
1659         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1660                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1661                 $wgDatabase->query("DROP INDEX pagelink_unique");
1662                 $pu = null;
1663         }
1664         else
1665                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1666
1667         if (is_null($pu)) {
1668                 echo "Creating index \"pagelink_unique index\"\n";
1669                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1670         }
1671         else
1672                 echo "... index \"pagelink_unique_index\" aready exists\n";
1673
1674         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1675                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1676         }
1677         else {
1678                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1679                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1680         }
1681
1682         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1683         # Add missing extension tables
1684         foreach ( $wgExtNewTables as $nt ) {
1685                 if ($wgDatabase->tableExists($nt[0])) {
1686                         echo "... table \"$nt[0]\" already exists\n";
1687                         continue;
1688                 }
1689                 echo "Creating table \"$nt[0]\"\n";
1690                 dbsource($nt[1]);
1691         }
1692         # Add missing extension fields
1693         foreach ( $wgExtPGNewFields as $nc ) {
1694                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1695                 if (!is_null($fi)) {
1696                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1697                         continue;
1698                 }
1699                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1700                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1701         }
1702         # Add missing extension indexes
1703         foreach ( $wgExtNewIndexes as $ni ) {
1704                 if (pg_index_exists($ni[0], $ni[1])) {
1705                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1706                         continue;
1707                 }
1708                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1709                 dbsource($ni[2]);
1710         }
1711
1712         # Tweak the page_title tsearch2 trigger to filter out slashes
1713         # This is create or replace, so harmless to call if not needed
1714         dbsource(archive('patch-ts2pagetitle.sql'));
1715
1716         ## If the server is 8.3 or higher, rewrite teh tsearch2 triggers
1717         ## in case they have the old 'default' versions
1718         if ( $numver >= 8.3 )
1719                 dbsource(archive('patch-tsearch2funcs.sql'));
1720
1721         return;
1722 }
1723