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 for each DB type, in sequence. First item
  20  * is function name, rest are parameters to pass.
  21  */
  22 $wgUpdates = array(
  23         'mysql' => array(
  24                 // 1.2
  25                 // update_passwords obsolete
  26                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28                 array( 'do_interwiki_update' ),
  29                 array( 'do_index_update' ),
  30                 // do_linkscc_update obsolete
  31                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34                 // 1.3
  35                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39                 // do_linkscc_1_3_update obsolete
  40                 array( 'do_old_links_update' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146                 array( 'update_password_format' ),
 147
 148                 // 1.14
 149                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 150                 array( 'do_active_users_init' ),
 151                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 152                 array( 'do_unique_pl_tl_il' ),
 153                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 154                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 155                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 156         ),
 157
 158         'sqlite' => array(
 159                 // 1.14
 160                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 161                 array( 'do_active_users_init' ),
 162                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 163                 array( 'sqlite_initial_indexes' ),
 164         ),
 165 );
 166
 167
 168 # For extensions only, should be populated via hooks
 169 # $wgDBtype should be checked to specifiy the proper file
 170 $wgExtNewTables = array(); // table, dir
 171 $wgExtNewFields = array(); // table, column, dir
 172 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 173 $wgExtNewIndexes = array(); // table, index, dir
 174
 175 # Helper function: check if the given key is present in the updatelog table.
 176 # Obviously, only use this for updates that occur after the updatelog table was
 177 # created!
 178 function update_row_exists( $key ) {
 179         $dbr = wfGetDB( DB_SLAVE );
 180         $row = $dbr->selectRow(
 181                 'updatelog',
 182                 '1',
 183                 array( 'ul_key' => $key ),
 184                 __FUNCTION__
 185         );
 186         return (bool)$row;
 187 }
 188
 189 function rename_table( $from, $to, $patch ) {
 190         global $wgDatabase;
 191         if ( $wgDatabase->tableExists( $from ) ) {
 192                 if ( $wgDatabase->tableExists( $to ) ) {
 193                         echo "...can't move table $from to $to, $to already exists.\n";
 194                 } else {
 195                         echo "Moving table $from to $to...";
 196                         dbsource( archive($patch), $wgDatabase );
 197                         echo "ok\n";
 198                 }
 199         } else {
 200                 // Source table does not exist
 201                 // Renames are done before creations, so this is typical for a new installation
 202                 // Ignore silently
 203         }
 204 }
 205
 206 function add_table( $name, $patch, $fullpath=false ) {
 207         global $wgDatabase;
 208         if ( $wgDatabase->tableExists( $name ) ) {
 209                 echo "...$name table already exists.\n";
 210         } else {
 211                 echo "Creating $name table...";
 212                 if( $fullpath ) {
 213                         dbsource( $patch, $wgDatabase );
 214                 } else {
 215                         dbsource( archive($patch), $wgDatabase );
 216                 }
 217                 echo "ok\n";
 218         }
 219 }
 220
 221 function add_field( $table, $field, $patch, $fullpath=false ) {
 222         global $wgDatabase;
 223         if ( !$wgDatabase->tableExists( $table ) ) {
 224                 echo "...$table table does not exist, skipping new field patch\n";
 225         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 226                 echo "...have $field field in $table table.\n";
 227         } else {
 228                 echo "Adding $field field to table $table...";
 229                 if( $fullpath ) {
 230                         dbsource( $patch, $wgDatabase );
 231                 } else {
 232                         dbsource( archive($patch), $wgDatabase );
 233                 }
 234                 echo "ok\n";
 235         }
 236 }
 237
 238 function add_index( $table, $index, $patch, $fullpath=false ) {
 239         global $wgDatabase;
 240         if( $wgDatabase->indexExists( $table, $index ) ) {
 241                 echo "...$index key already set on $table table.\n";
 242         } else {
 243                 echo "Adding $index key to table $table... ";
 244                 if( $fullpath ) {
 245                         dbsource( $patch, $wgDatabase );
 246                 } else {
 247                         dbsource( archive($patch), $wgDatabase );
 248                 }
 249                 echo "ok\n";
 250         }
 251 }
 252
 253 function do_revision_updates() {
 254         global $wgSoftwareRevision;
 255         if ( $wgSoftwareRevision < 1001 ) {
 256                 update_passwords();
 257         }
 258 }
 259
 260 function update_passwords() {
 261         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 262
 263         global $wgDatabase;
 264         $fname = "Update script: update_passwords()";
 265         print "\nIt appears that you need to update the user passwords in your\n" .
 266           "database. If you have already done this (if you've run this update\n" .
 267           "script once before, for example), doing so again will make all your\n" .
 268           "user accounts inaccessible, so be sure you only do this once.\n" .
 269           "Update user passwords? (yes/no)";
 270
 271         $resp = readconsole();
 272     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 273
 274         $sql = "SELECT user_id,user_password FROM user";
 275         $source = $wgDatabase->query( $sql, $fname );
 276
 277         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 278                 $id = $row->user_id;
 279                 $oldpass = $row->user_password;
 280                 $newpass = md5( "{$id}-{$oldpass}" );
 281
 282                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 283                   "WHERE user_id={$id}";
 284                 $wgDatabase->query( $sql, $fname );
 285         }
 286 }
 287
 288 function do_interwiki_update() {
 289         # Check that interwiki table exists; if it doesn't source it
 290         global $wgDatabase, $IP;
 291         if( $wgDatabase->tableExists( "interwiki" ) ) {
 292                 echo "...already have interwiki table\n";
 293                 return true;
 294         }
 295         echo "Creating interwiki table: ";
 296         dbsource( archive("patch-interwiki.sql") );
 297         echo "ok\n";
 298         echo "Adding default interwiki definitions: ";
 299         dbsource( "$IP/maintenance/interwiki.sql" );
 300         echo "ok\n";
 301 }
 302
 303 function do_index_update() {
 304         # Check that proper indexes are in place
 305         global $wgDatabase;
 306         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 307         if( !$meta->isMultipleKey() ) {
 308                 echo "Updating indexes to 20031107: ";
 309                 dbsource( archive("patch-indexes.sql") );
 310                 echo "ok\n";
 311                 return true;
 312         }
 313         echo "...indexes seem up to 20031107 standards\n";
 314         return false;
 315 }
 316
 317 function do_image_index_update() {
 318         global $wgDatabase;
 319
 320         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 321         if( !$meta->isMultipleKey() ) {
 322                 echo "Updating indexes to 20050912: ";
 323                 dbsource( archive("patch-mimesearch-indexes.sql") );
 324                 echo "ok\n";
 325                 return true;
 326         }
 327         echo "...indexes seem up to 20050912 standards\n";
 328         return false;
 329 }
 330
 331 function do_image_name_unique_update() {
 332         global $wgDatabase;
 333         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 334                 echo "...image primary key already set.\n";
 335         } else {
 336                 echo "Making img_name the primary key... ";
 337                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 338                 echo "ok\n";
 339         }
 340 }
 341
 342 function do_logging_timestamp_index() {
 343         global $wgDatabase;
 344         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 345                 echo "...timestamp key on logging already exists.\n";
 346         } else {
 347                 echo "Adding timestamp key on logging table... ";
 348                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 349                 echo "ok\n";
 350         }
 351 }
 352
 353 function do_archive_user_index() {
 354         global $wgDatabase;
 355         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 356                 echo "...usertext,timestamp key on archive already exists.\n";
 357         } else {
 358                 echo "Adding usertext,timestamp key on archive table... ";
 359                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 360                 echo "ok\n";
 361         }
 362 }
 363
 364 function do_image_user_index() {
 365         global $wgDatabase;
 366         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 367                 echo "...usertext,timestamp key on image already exists.\n";
 368         } else {
 369                 echo "Adding usertext,timestamp key on image table... ";
 370                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 371                 echo "ok\n";
 372         }
 373 }
 374
 375 function do_oldimage_user_index() {
 376         global $wgDatabase;
 377         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 378                 echo "...usertext,timestamp key on oldimage already exists.\n";
 379         } else {
 380                 echo "Adding usertext,timestamp key on oldimage table... ";
 381                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 382                 echo "ok\n";
 383         }
 384 }
 385
 386 function do_watchlist_update() {
 387         global $wgDatabase;
 388         $fname = 'do_watchlist_update';
 389         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 390                 echo "The watchlist table is already set up for email notification.\n";
 391         } else {
 392                 echo "Adding wl_notificationtimestamp field for email notification management.";
 393                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 394                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 395                 echo "ok\n";
 396         }
 397         # Check if we need to add talk page rows to the watchlist
 398         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 399         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 400         if ( $talk != $nontalk ) {
 401                 echo "Adding missing watchlist talk page rows... ";
 402                 flush();
 403
 404                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 405                         array(
 406                                 'wl_user' => 'wl_user',
 407                                 'wl_namespace' => 'wl_namespace | 1',
 408                                 'wl_title' => 'wl_title',
 409                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 410                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 411                 echo "ok\n";
 412         } else {
 413                 echo "...watchlist talk page rows already present\n";
 414         }
 415 }
 416
 417 function do_copy_newtalk_to_watchlist() {
 418         global $wgDatabase;
 419         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 420
 421         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 422                 $wgDatabase->tableName( 'user_newtalk' ) );
 423         $num_newtalks=$wgDatabase->numRows($res);
 424         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 425
 426         $user = new User();
 427         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 428                 $wluser = $wgDatabase->fetchObject( $res );
 429                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 430                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 431                                 $wgDatabase->replace( 'watchlist',
 432                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 433                                           array('wl_user'                       => 0,
 434                                                 'wl_namespace'                  => NS_USER_TALK,
 435                                                 'wl_title'                      => $wluser->user_ip,
 436                                                 'wl_notificationtimestamp'      => '19700101000000'
 437                                                 ), 'updaters.inc::do_watchlist_update2'
 438                                         );
 439                         }
 440                 } else { # normal users ... have user_ids
 441                         $user->setID($wluser->user_id);
 442                         $wgDatabase->replace( 'watchlist',
 443                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 444                                   array('wl_user'                       => $user->getID(),
 445                                         'wl_namespace'                  => NS_USER_TALK,
 446                                         'wl_title'                      => $user->getName(),
 447                                         'wl_notificationtimestamp'      => '19700101000000'
 448                                         ), 'updaters.inc::do_watchlist_update3'
 449                                 );
 450                 }
 451         }
 452         echo "Done.\n";
 453 }
 454
 455
 456 function do_user_update() {
 457         global $wgDatabase;
 458         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 459                 echo "User table contains old email authentication field. Dropping... ";
 460                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 461                 echo "ok\n";
 462         } else {
 463                 echo "...user table does not contain old email authentication field.\n";
 464         }
 465 }
 466
 467 /**
 468  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 469  * which causes a collation mismatch error on joins in MySQL 4.1.
 470  */
 471 function check_bin( $table, $field, $patchFile ) {
 472         global $wgDatabase, $wgDBtype;
 473         if ($wgDBtype != 'mysql')
 474                 return;
 475         $tableName = $wgDatabase->tableName( $table );
 476         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 477         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 478         $wgDatabase->freeResult( $res );
 479
 480         if( in_array( 'binary', $flags ) ) {
 481                 echo "$table table has correct $field encoding.\n";
 482         } else {
 483                 echo "Fixing $field encoding on $table table... ";
 484                 dbsource( archive( $patchFile ), $wgDatabase );
 485                 echo "ok\n";
 486         }
 487 }
 488
 489 function do_schema_restructuring() {
 490         global $wgDatabase;
 491         $fname="do_schema_restructuring";
 492         if ( $wgDatabase->tableExists( 'page' ) ) {
 493                 echo "...page table already exists.\n";
 494         } else {
 495                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 496                 echo wfTimestamp( TS_DB );
 497                 echo "......checking for duplicate entries.\n"; flush();
 498
 499                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 500
 501                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 502                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 503
 504                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 505                         echo wfTimestamp( TS_DB );
 506                         echo "......<b>Found duplicate entries</b>\n";
 507                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 508                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 509                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 510                                         $duplicate[$row->cur_namespace] = array();
 511                                 }
 512                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 513                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 514                         }
 515                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 516                         $firstCond = true;
 517                         foreach ( $duplicate as $ns => $titles ) {
 518                                 if ( $firstCond ) {
 519                                         $firstCond = false;
 520                                 } else {
 521                                         $sql .= ' OR ';
 522                                 }
 523                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 524                                 $first = true;
 525                                 foreach ( $titles as $t ) {
 526                                         if ( $first ) {
 527                                                 $sql .= $wgDatabase->addQuotes( $t );
 528                                                 $first = false;
 529                                         } else {
 530                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 531                                         }
 532                                 }
 533                                 $sql .= ") ) \n";
 534                         }
 535                         # By sorting descending, the most recent entry will be the first in the list.
 536                         # All following entries will be deleted by the next while-loop.
 537                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 538
 539                         $rows = $wgDatabase->query( $sql, $fname );
 540
 541                         $prev_title = $prev_namespace = false;
 542                         $deleteId = array();
 543
 544                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 545                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 546                                         $deleteId[] = $row->cur_id;
 547                                 }
 548                                 $prev_title     = $row->cur_title;
 549                                 $prev_namespace = $row->cur_namespace;
 550                         }
 551                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 552                         $rows = $wgDatabase->query( $sql, $fname );
 553                         echo wfTimestamp( TS_DB );
 554                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 555                 }
 556
 557
 558                 echo wfTimestamp( TS_DB );
 559                 echo "......Creating tables.\n";
 560                 $wgDatabase->query("CREATE TABLE $page (
 561                         page_id int(8) unsigned NOT NULL auto_increment,
 562                         page_namespace int NOT NULL,
 563                         page_title varchar(255) binary NOT NULL,
 564                         page_restrictions tinyblob NOT NULL,
 565                         page_counter bigint(20) unsigned NOT NULL default '0',
 566                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 567                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 568                         page_random real unsigned NOT NULL,
 569                         page_touched char(14) binary NOT NULL default '',
 570                         page_latest int(8) unsigned NOT NULL,
 571                         page_len int(8) unsigned NOT NULL,
 572
 573                         PRIMARY KEY page_id (page_id),
 574                         UNIQUE INDEX name_title (page_namespace,page_title),
 575                         INDEX (page_random),
 576                         INDEX (page_len)
 577                         ) ENGINE=InnoDB", $fname );
 578                 $wgDatabase->query("CREATE TABLE $revision (
 579                         rev_id int(8) unsigned NOT NULL auto_increment,
 580                         rev_page int(8) unsigned NOT NULL,
 581                         rev_comment tinyblob NOT NULL,
 582                         rev_user int(5) unsigned NOT NULL default '0',
 583                         rev_user_text varchar(255) binary NOT NULL default '',
 584                         rev_timestamp char(14) binary NOT NULL default '',
 585                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 586                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 587                         rev_len int(8) unsigned,
 588                         rev_parent_id int(8) unsigned default NULL,
 589                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 590                         UNIQUE INDEX rev_id (rev_id),
 591                         INDEX rev_timestamp (rev_timestamp),
 592                         INDEX page_timestamp (rev_page,rev_timestamp),
 593                         INDEX user_timestamp (rev_user,rev_timestamp),
 594                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 595                         ) ENGINE=InnoDB", $fname );
 596
 597                 echo wfTimestamp( TS_DB );
 598                 echo "......Locking tables.\n";
 599                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 600
 601                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 602                 echo wfTimestamp( TS_DB );
 603                 echo "......maxold is {$maxold}\n";
 604
 605                 echo wfTimestamp( TS_DB );
 606                 global $wgLegacySchemaConversion;
 607                 if( $wgLegacySchemaConversion ) {
 608                         // Create HistoryBlobCurStub entries.
 609                         // Text will be pulled from the leftover 'cur' table at runtime.
 610                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 611                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 612                         $cur_flags = "'object'";
 613                 } else {
 614                         // Copy all cur text in immediately: this may take longer but avoids
 615                         // having to keep an extra table around.
 616                         echo "......Moving text from cur.\n";
 617                         $cur_text = 'cur_text';
 618                         $cur_flags = "''";
 619                 }
 620                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 621                                 old_timestamp, old_minor_edit, old_flags)
 622                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 623                         FROM $cur", $fname );
 624
 625                 echo wfTimestamp( TS_DB );
 626                 echo "......Setting up revision table.\n";
 627                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 628                                 rev_minor_edit)
 629                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 630                                 old_timestamp, old_minor_edit
 631                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 632
 633                 echo wfTimestamp( TS_DB );
 634                 echo "......Setting up page table.\n";
 635                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 636                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 637                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 638                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 639                         FROM $cur,$revision
 640                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 641
 642                 echo wfTimestamp( TS_DB );
 643                 echo "......Unlocking tables.\n";
 644                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 645
 646                 echo wfTimestamp( TS_DB );
 647                 echo "......Renaming old.\n";
 648                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 649
 650                 echo wfTimestamp( TS_DB );
 651                 echo "...done.\n";
 652         }
 653 }
 654
 655 function do_inverse_timestamp() {
 656         global $wgDatabase;
 657         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 658                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 659                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 660                 echo "ok\n";
 661         } else {
 662                 echo "revision timestamp indexes already up to 2005-03-13\n";
 663         }
 664 }
 665
 666 function do_text_id() {
 667         global $wgDatabase;
 668         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 669                 echo "...rev_text_id already in place.\n";
 670         } else {
 671                 echo "Adding rev_text_id field... ";
 672                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 673                 echo "ok\n";
 674         }
 675 }
 676
 677 function do_namespace_size() {
 678         $tables = array(
 679                 'page'          => 'page',
 680                 'archive'       => 'ar',
 681                 'recentchanges' => 'rc',
 682                 'watchlist'     => 'wl',
 683                 'querycache'    => 'qc',
 684                 'logging'       => 'log',
 685         );
 686         foreach( $tables as $table => $prefix ) {
 687                 do_namespace_size_on( $table, $prefix );
 688                 flush();
 689         }
 690 }
 691
 692 function do_namespace_size_on( $table, $prefix ) {
 693         global $wgDatabase, $wgDBtype;
 694         if ($wgDBtype != 'mysql')
 695                 return;
 696         $field = $prefix . '_namespace';
 697
 698         $tablename = $wgDatabase->tableName( $table );
 699         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 700         $info = $wgDatabase->fetchObject( $result );
 701         $wgDatabase->freeResult( $result );
 702
 703         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 704                 echo "...$field is already a full int ($info->Type).\n";
 705         } else {
 706                 echo "Promoting $field from $info->Type to int... ";
 707
 708                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 709                 $wgDatabase->query( $sql );
 710
 711                 echo "ok\n";
 712         }
 713 }
 714
 715 function do_pagelinks_update() {
 716         global $wgDatabase;
 717         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 718                 echo "...already have pagelinks table.\n";
 719         } else {
 720                 echo "Converting links and brokenlinks tables to pagelinks... ";
 721                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 722                 echo "ok\n";
 723                 flush();
 724
 725                 global $wgCanonicalNamespaceNames;
 726                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 727                         if( $ns != 0 ) {
 728                                 do_pagelinks_namespace( $ns );
 729                         }
 730                 }
 731         }
 732 }
 733
 734 function do_pagelinks_namespace( $namespace ) {
 735         global $wgDatabase, $wgContLang;
 736
 737         $ns = intval( $namespace );
 738         echo "Cleaning up broken links for namespace $ns... ";
 739
 740         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 741         $name = $wgContLang->getNsText( $ns );
 742         $prefix = $wgDatabase->strencode( $name );
 743         $likeprefix = str_replace( '_', '\\_', $prefix);
 744
 745         $sql = "UPDATE $pagelinks
 746                    SET pl_namespace=$ns,
 747                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 748                  WHERE pl_namespace=0
 749                    AND pl_title LIKE '$likeprefix:%'";
 750
 751         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 752         echo "ok\n";
 753 }
 754
 755 function do_drop_img_type() {
 756         global $wgDatabase;
 757
 758         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 759                 echo "Dropping unused img_type field in image table... ";
 760                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 761                 echo "ok\n";
 762         } else {
 763                 echo "No img_type field in image table; Good.\n";
 764         }
 765 }
 766
 767 function do_old_links_update() {
 768         global $wgDatabase;
 769         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 770                 echo "Already have pagelinks; skipping old links table updates.\n";
 771         } else {
 772                 convertLinks(); flush();
 773         }
 774 }
 775
 776 function do_user_unique_update() {
 777         global $wgDatabase;
 778         $duper = new UserDupes( $wgDatabase );
 779         if( $duper->hasUniqueIndex() ) {
 780                 echo "Already have unique user_name index.\n";
 781         } else {
 782                 if( !$duper->clearDupes() ) {
 783                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 784                 }
 785                 echo "Adding unique index on user_name... ";
 786                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 787                 echo "ok\n";
 788         }
 789 }
 790
 791 function do_user_groups_update() {
 792         $fname = 'do_user_groups_update';
 793         global $wgDatabase;
 794
 795         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 796                 echo "...user_groups table already exists.\n";
 797                 return do_user_groups_reformat();
 798         }
 799
 800         echo "Adding user_groups table... ";
 801         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 802         echo "ok\n";
 803
 804         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 805                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 806                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 807                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 808                         echo "ok\n";
 809                 } else {
 810                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 811                         echo "*** You may need to manually configure some sysops by manipulating\n";
 812                         echo "*** the user_groups table.\n";
 813                         return;
 814                 }
 815         }
 816
 817         echo "Converting user_rights table to user_groups... ";
 818         $result = $wgDatabase->select( 'user_rights',
 819                 array( 'ur_user', 'ur_rights' ),
 820                 array( "ur_rights != ''" ),
 821                 $fname );
 822
 823         while( $row = $wgDatabase->fetchObject( $result ) ) {
 824                 $groups = array_unique(
 825                         array_map( 'trim',
 826                                 explode( ',', $row->ur_rights ) ) );
 827
 828                 foreach( $groups as $group ) {
 829                         $wgDatabase->insert( 'user_groups',
 830                                 array(
 831                                         'ug_user'  => $row->ur_user,
 832                                         'ug_group' => $group ),
 833                                 $fname );
 834                 }
 835         }
 836         $wgDatabase->freeResult( $result );
 837         echo "ok\n";
 838 }
 839
 840 function do_user_groups_reformat() {
 841         # Check for bogus formats from previous 1.5 alpha code.
 842         global $wgDatabase;
 843         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 844
 845         if( $info->type() == 'int' ) {
 846                 $oldug = $wgDatabase->tableName( 'user_groups' );
 847                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 848                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 849                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 850                 echo "ok\n";
 851
 852                 echo "Re-adding fresh user_groups table... ";
 853                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 854                 echo "ok\n";
 855
 856                 echo "***\n";
 857                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 858                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 859                 echo "***\n";
 860         } else {
 861                 echo "...user_groups is in current format.\n";
 862         }
 863
 864 }
 865
 866 function do_watchlist_null() {
 867         # Make sure wl_notificationtimestamp can be NULL,
 868         # and update old broken items.
 869         global $wgDatabase;
 870         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 871
 872         if( !$info->nullable() ) {
 873                 echo "Making wl_notificationtimestamp nullable... ";
 874                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 875                 echo "ok\n";
 876         } else {
 877                 echo "...wl_notificationtimestamp is already nullable.\n";
 878         }
 879
 880 }
 881
 882 /**
 883  * @bug 3946
 884  */
 885 function do_page_random_update() {
 886         global $wgDatabase;
 887
 888         echo "Setting page_random to a random value on rows where it equals 0...";
 889
 890         $page = $wgDatabase->tableName( 'page' );
 891         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 892         $rows = $wgDatabase->affectedRows();
 893
 894         echo "changed $rows rows\n";
 895 }
 896
 897 function do_templatelinks_update() {
 898         global $wgDatabase, $wgLoadBalancer;
 899         $fname = 'do_templatelinks_update';
 900
 901         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 902                 echo "...templatelinks table already exists\n";
 903                 return;
 904         }
 905         echo "Creating templatelinks table...\n";
 906         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 907         echo "Populating...\n";
 908         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 909                 // Slow, replication-friendly update
 910                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 911                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 912                 $count = 0;
 913                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 914                         $count = ($count + 1) % 100;
 915                         if ( $count == 0 ) {
 916                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 917                                         wfWaitForSlaves( 10 );
 918                                 } else {
 919                                         sleep( 1 );
 920                                 }
 921                         }
 922                         $wgDatabase->insert( 'templatelinks',
 923                                 array(
 924                                         'tl_from' => $row->pl_from,
 925                                         'tl_namespace' => $row->pl_namespace,
 926                                         'tl_title' => $row->pl_title,
 927                                 ), $fname
 928                         );
 929
 930                 }
 931                 $wgDatabase->freeResult( $res );
 932         } else {
 933                 // Fast update
 934                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 935                         array(
 936                                 'tl_from' => 'pl_from',
 937                                 'tl_namespace' => 'pl_namespace',
 938                                 'tl_title' => 'pl_title'
 939                         ), array(
 940                                 'pl_namespace' => 10
 941                         ), $fname
 942                 );
 943         }
 944         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 945 }
 946
 947 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 948 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 949 function do_rc_indices_update() {
 950         global $wgDatabase;
 951         echo( "Checking for additional recent changes indices...\n" );
 952
 953         $indexes = array(
 954                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 955                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 956         );
 957
 958         foreach( $indexes as $index => $patch ) {
 959                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 960                 if( !$info ) {
 961                         echo( "...index `{$index}` not found; adding..." );
 962                         dbsource( archive( $patch ) );
 963                         echo( "done.\n" );
 964                 } else {
 965                         echo( "...index `{$index}` seems ok.\n" );
 966                 }
 967         }
 968 }
 969
 970 function index_has_field($table, $index, $field) {
 971         global $wgDatabase;
 972         echo( "Checking if $table index $index includes field $field...\n" );
 973         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 974         if( $info ) {
 975                 foreach($info as $row) {
 976                         if($row->Column_name == $field) {
 977                                 echo( "...index $index on table $table seems to be ok\n" );
 978                                 return true;
 979                         }
 980                 }
 981         }
 982         echo( "...index $index on table $table has no field $field; adding\n" );
 983         return false;
 984 }
 985
 986 function do_backlinking_indices_update() {
 987         echo( "Checking for backlinking indices...\n" );
 988         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 989                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 990                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 991         {
 992                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 993                 echo( "...backlinking indices updated\n" );
 994         }
 995 }
 996
 997 function do_categorylinks_indices_update() {
 998         echo( "Checking for categorylinks indices...\n" );
 999         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1000         {
1001                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
1002                 echo( "...categorylinks indices updated\n" );
1003         }
1004 }
1005
1006 function do_filearchive_indices_update() {
1007         global $wgDatabase;
1008         echo( "Checking filearchive indices...\n" );
1009         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1010         if ( !$info )
1011         {
1012                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1013                 echo( "...filearchive indices updated\n" );
1014         }
1015 }
1016
1017 function maybe_do_profiling_memory_update() {
1018         global $wgDatabase;
1019         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1020                 // Simply ignore
1021         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1022                 echo "profiling table has pf_memory field.\n";
1023         } else {
1024                 echo "Adding pf_memory field to table profiling...";
1025                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1026                 echo "ok\n";
1027         }
1028 }
1029
1030 function do_stats_init() {
1031         // Sometimes site_stats table is not properly populated.
1032         global $wgDatabase;
1033         echo "Checking site_stats row...";
1034         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1035         if( $row === false ) {
1036                 echo "data is missing! rebuilding...\n";
1037         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1038                 echo "missing ss_total_pages, rebuilding...\n";
1039         } else {
1040                 echo "ok.\n";
1041                 return;
1042         }
1043
1044         global $IP;
1045         require_once "$IP/maintenance/initStats.inc";
1046         wfInitStats();
1047 }
1048
1049 function do_active_users_init() {
1050         global $wgDatabase;
1051         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1052         if( $activeUsers == -1 ) {
1053                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1054                         'COUNT( DISTINCT rc_user_text )',
1055                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1056                 );
1057                 $wgDatabase->update( 'site_stats',
1058                         array( 'ss_active_users' => intval($activeUsers) ),
1059                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1060                 );
1061         }
1062         echo( "...ss_active_users user count set...\n" );
1063 }
1064
1065 function purge_cache() {
1066         global $wgDatabase;
1067         # We can't guarantee that the user will be able to use TRUNCATE,
1068         # but we know that DELETE is available to us
1069         echo( "Purging caches..." );
1070         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1071         echo( "done.\n" );
1072 }
1073
1074 function do_all_updates( $shared = false, $purge = true ) {
1075         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1076
1077         wfRunHooks('LoadExtensionSchemaUpdates');
1078
1079         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1080
1081         if ($wgDBtype === 'postgres') {
1082                 do_postgres_updates();
1083                 return;
1084         }
1085
1086         # Run core updates in sequence...
1087         global $wgUpdates;
1088         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1089                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1090                         $func = array_shift( $params );
1091                         call_user_func_array( $func, $params );
1092                         flush();
1093                 }
1094         }
1095
1096         /// @fixme clean up this mess too!
1097         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1098         # Add missing extension tables
1099         foreach ( $wgExtNewTables as $tableRecord ) {
1100                 add_table( $tableRecord[0], $tableRecord[1], true );
1101                 flush();
1102         }
1103         # Add missing extension fields
1104         foreach ( $wgExtNewFields as $fieldRecord ) {
1105                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1106                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1107                 }
1108                 flush();
1109         }
1110         # Add missing extension indexes
1111         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1112                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1113                 flush();
1114         }
1115
1116
1117         echo "Deleting old default messages (this may take a long time!)..."; flush();
1118         deleteDefaultMessages();
1119         echo "Done\n"; flush();
1120
1121         do_stats_init(); flush();
1122
1123         if( $purge ) {
1124                 purge_cache();
1125                 flush();
1126         }
1127 }
1128
1129 function archive($name) {
1130         global $wgDBtype, $IP;
1131         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1132                 return "$IP/maintenance/$wgDBtype/archives/$name";
1133         } else {
1134                 return "$IP/maintenance/archives/$name";
1135         }
1136 }
1137
1138 function do_restrictions_update() {
1139         # Adding page_restrictions table, obsoleting page.page_restrictions.
1140         #  Migrating old restrictions to new table
1141         # -- Andrew Garrett, January 2007.
1142
1143         global $wgDatabase;
1144
1145         $name = 'page_restrictions';
1146         $patch = 'patch-page_restrictions.sql';
1147         $patch2 = 'patch-page_restrictions_sortkey.sql';
1148
1149         if ( $wgDatabase->tableExists( $name ) ) {
1150                 echo "...$name table already exists.\n";
1151         } else {
1152                 echo "Creating $name table...";
1153                 dbsource( archive($patch), $wgDatabase );
1154                 dbsource( archive($patch2), $wgDatabase );
1155                 echo "ok\n";
1156
1157                 echo "Migrating old restrictions to new table...";
1158
1159                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1160
1161                 $count = 0;
1162
1163                 while ($row = $wgDatabase->fetchObject($res) ) {
1164                         $count = ($count + 1) % 100;
1165
1166                         if ($count == 0) {
1167                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1168                                         wfWaitForSlaves( 10 );
1169                                 } else {
1170                                         sleep( 1 );
1171                                 }
1172                         }
1173
1174                         # Figure out what the restrictions are..
1175                         $id = $row->page_id;
1176                         $flatrestrictions = explode( ':', $row->page_restrictions );
1177
1178                         $restrictions = array ();
1179                         foreach( $flatrestrictions as $restriction ) {
1180                                 $thisrestriction = explode( '=', $restriction, 2 );
1181                                 if( count( $thisrestriction ) == 1 ) {
1182                                         // Compatibility with old protections from before
1183                                         // separate move protection was added.
1184                                         list( $level ) = $thisrestriction;
1185                                         if( $level ) {
1186                                                 $restrictions['edit'] = $level;
1187                                                 $restrictions['move'] = $level;
1188                                         }
1189                                 } else {
1190                                         list( $type, $level ) = $thisrestriction;
1191                                         if( $level ) {
1192                                                 $restrictions[$type] = $level;
1193                                         }
1194                                 }
1195
1196                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1197
1198                         }
1199
1200                         foreach( $restrictions as $type => $level ) {
1201                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1202                                                                                         'pr_type' => $type,
1203                                                                                         'pr_level' => $level,
1204                                                                                         'pr_cascade' => 0,
1205                                                                                         'pr_expiry' => 'infinity' ),
1206                                                                                         __METHOD__ );
1207                         }
1208                 }
1209                 print "ok\n";
1210         }
1211 }
1212
1213 function do_category_population() {
1214         if( update_row_exists( 'populate category' ) ) {
1215                 echo "...category table already populated.\n";
1216                 return;
1217         }
1218         require_once( 'populateCategory.inc' );
1219         echo "Populating category table, printing progress markers.  ".
1220 "For large databases, you\n".
1221 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1222 "populateCategory.php.\n";
1223         populateCategory( '', 10, 0, true );
1224         echo "Done populating category table.\n";
1225 }
1226
1227 function do_populate_parent_id() {
1228         if( update_row_exists( 'populate rev_parent_id' ) ) {
1229                 echo "...rev_parent_id column already populated.\n";
1230                 return;
1231         }
1232         require_once( 'populateParentId.inc' );
1233
1234         global $wgDatabase;
1235         populate_rev_parent_id( $wgDatabase );
1236 }
1237
1238 function update_password_format() {
1239         if ( update_row_exists( 'password format' ) ) {
1240                 echo "...password hash format already changed\n";
1241                 return;
1242         }
1243
1244         echo "Updating password hash format...";
1245
1246         global $wgDatabase, $wgPasswordSalt;
1247         $user = $wgDatabase->tableName( 'user' );
1248         if ( $wgPasswordSalt ) {
1249                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1250                         "WHERE user_password NOT LIKE ':%'";
1251         } else {
1252                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1253                         "WHERE user_password NOT LIKE ':%'";
1254         }
1255         $wgDatabase->query( $sql, __METHOD__ );
1256         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1257
1258         echo "done\n";
1259 }
1260
1261 function sqlite_initial_indexes() {
1262         global $wgDatabase;
1263         if ( update_row_exists( 'initial_indexes' ) ) {
1264                 echo "...have initial indexes\n";
1265                 return;
1266         }
1267         echo "Adding initial indexes...";
1268         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1269         echo "done\n";
1270 }
1271
1272 function do_unique_pl_tl_il() {
1273         global $wgDatabase;
1274         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1275         if( is_array($info) && !$info[0]->Non_unique ) {
1276                 echo "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n";
1277         } else {
1278                 echo "Making pl_namespace, tl_namespace and il_to indices UNIQUE... ";
1279                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1280                 echo "ok\n";
1281         }
1282 }
1283
1284 /***********************************************************************
1285  * Start PG crap
1286  * TODO: merge with above
1287  ***********************************************************************/
1288
1289 function
1290 pg_describe_table($table)
1291 {
1292 global  $wgDatabase, $wgDBmwschema;
1293         $q = <<<END
1294 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1295         WHERE pg_class.relnamespace = pg_namespace.oid
1296           AND attrelid=pg_class.oid AND attnum > 0
1297           AND relname=%s AND nspname=%s
1298 END;
1299         $res = $wgDatabase->query(sprintf($q,
1300                         $wgDatabase->addQuotes($table),
1301                         $wgDatabase->addQuotes($wgDBmwschema)));
1302         if (!$res)
1303                 return null;
1304
1305         $cols = array();
1306         while ($r = $wgDatabase->fetchRow($res)) {
1307                 $cols[] = array(
1308                                 "name" => $r[0],
1309                                 "ord" => $r[1],
1310                         );
1311         }
1312         return $cols;
1313 }
1314
1315 function
1316 pg_describe_index($idx)
1317 {
1318 global  $wgDatabase, $wgDBmwschema;
1319
1320         // first fetch the key (which is a list of columns ords) and
1321         // the table the index applies to (an oid)
1322         $q = <<<END
1323 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1324         WHERE nspname=%s
1325           AND pg_class.relnamespace = pg_namespace.oid
1326           AND relname=%s
1327           AND indexrelid=pg_class.oid
1328 END;
1329         $res = $wgDatabase->query(sprintf($q,
1330                         $wgDatabase->addQuotes($wgDBmwschema),
1331                         $wgDatabase->addQuotes($idx)));
1332         if (!$res)
1333                 return null;
1334         if (!($r = $wgDatabase->fetchRow($res))) {
1335                 $wgDatabase->freeResult($res);
1336                 return null;
1337         }
1338
1339         $indkey = $r[0];
1340         $relid = intval($r[1]);
1341         $indkeys = explode(" ", $indkey);
1342         $wgDatabase->freeResult($res);
1343
1344         $colnames = array();
1345         foreach ($indkeys as $rid) {
1346                 $query = <<<END
1347 SELECT attname FROM pg_class, pg_attribute
1348         WHERE attrelid=$relid
1349           AND attnum=%d
1350           AND attrelid=pg_class.oid
1351 END;
1352                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1353                 if (!$r2)
1354                         return null;
1355                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1356                         $wgDatabase->freeResult($r2);
1357                         return null;
1358                 }
1359                 $colnames[] = $row2[0];
1360                 $wgDatabase->freeResult($r2);
1361         }
1362
1363         return $colnames;
1364 }
1365
1366 function
1367 pg_index_exists($table, $index)
1368 {
1369 global  $wgDatabase, $wgDBmwschema;
1370         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1371                         array(  "indexname" => $index,
1372                                 "tablename" => $table,
1373                                 "schemaname" => $wgDBmwschema));
1374         return $exists === $index;
1375 }
1376
1377 function
1378 pg_fkey_deltype($fkey)
1379 {
1380 global  $wgDatabase, $wgDBmwschema;
1381         $q = <<<END
1382 SELECT confdeltype FROM pg_constraint, pg_namespace
1383         WHERE connamespace=pg_namespace.oid
1384           AND nspname=%s
1385           AND conname=%s;
1386 END;
1387         $r = $wgDatabase->query(sprintf($q,
1388                 $wgDatabase->addQuotes($wgDBmwschema),
1389                 $wgDatabase->addQuotes($fkey)));
1390         if (!($row = $wgDatabase->fetchRow($r)))
1391                 return null;
1392         return $row[0];
1393 }
1394
1395 function
1396 pg_rule_def($table, $rule)
1397 {
1398 global  $wgDatabase, $wgDBmwschema;
1399         $q = <<<END
1400 SELECT definition FROM pg_rules
1401         WHERE schemaname = %s
1402           AND tablename = %s
1403           AND rulename = %s
1404 END;
1405         $r = $wgDatabase->query(sprintf($q,
1406                         $wgDatabase->addQuotes($wgDBmwschema),
1407                         $wgDatabase->addQuotes($table),
1408                         $wgDatabase->addQuotes($rule)));
1409         $row = $wgDatabase->fetchRow($r);
1410         if (!$row)
1411                 return null;
1412         $d = $row[0];
1413         $wgDatabase->freeResult($r);
1414         return $d;
1415 }
1416
1417 function do_postgres_updates() {
1418         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1419
1420         ## Gather version numbers in case we need them
1421         $version = $wgDatabase->getServerVersion(); ## long string
1422         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1423
1424         $wgShowExceptionDetails = 1;
1425
1426         # Just in case their LocalSettings.php does not have this:
1427         if ( !isset( $wgDBmwschema ))
1428                 $wgDBmwschema = 'mediawiki';
1429
1430         # Verify that this user is configured correctly
1431         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1432         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1433         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1434         $conf = array();
1435         foreach( explode( '*', $config ) as $c ) {
1436                 list( $x,$y ) = explode( '=', $c );
1437                 $conf[$x] = $y;
1438         }
1439         if( !array_key_exists( 'search_path', $conf ) ) {
1440                 $search_path = '';
1441         }
1442         else {
1443                 $search_path = $conf['search_path'];
1444         }
1445         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1446                 echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1447                 $search_path = "$wgDBmwschema, $search_path";
1448         }
1449         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1450                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1451                 $search_path = "$search_path, $wgDBts2schema";
1452         }
1453         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1454                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1455                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1456         }
1457         else {
1458                 $path = $conf['search_path'];
1459                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1460         }
1461         $goodconf = array(
1462                 'client_min_messages' => 'error',
1463                 'DateStyle'           => 'ISO, YMD',
1464                 'TimeZone'            => 'GMT'
1465         );
1466         foreach( array_keys( $goodconf ) AS $key ) {
1467                 $value = $goodconf[$key];
1468                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1469                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1470                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1471                         $wgDatabase->doQuery( "SET $key = '$value'" );
1472                 }
1473                 else {
1474                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1475                 }
1476         }
1477
1478         $newsequences = array(
1479                 "log_log_id_seq",
1480                 "pr_id_val",
1481         );
1482
1483         $newtables = array(
1484                 array("category",          "patch-category.sql"),
1485                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1486                 array("mwuser",            "patch-mwuser.sql"),
1487                 array("pagecontent",       "patch-pagecontent.sql"),
1488                 array("querycachetwo",     "patch-querycachetwo.sql"),
1489                 array("page_props",        "patch-page_props.sql"),
1490                 array("page_restrictions", "patch-page_restrictions.sql"),
1491                 array("profiling",         "patch-profiling.sql"),
1492                 array("protected_titles",  "patch-protected_titles.sql"),
1493                 array("redirect",          "patch-redirect.sql"),
1494                 array("updatelog",         "patch-updatelog.sql"),
1495         );
1496
1497         $newcols = array(
1498                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1499                 array("archive",       "ar_len",               "INTEGER"),
1500                 array("archive",       "ar_page_id",           "INTEGER"),
1501                 array("archive",       "ar_parent_id",         "INTEGER"),
1502                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1503                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1504                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1505                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1506                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1507                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1508                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1509                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1510                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1511                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1512                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1513                 array("logging",       "log_params",           "TEXT"),
1514                 array("mwuser",        "user_editcount",       "INTEGER"),
1515                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1516                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1517                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1518                 array("oldimage",      "oi_media_type",        "TEXT"),
1519                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1520                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1521                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1522                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1523                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1524                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1525                 array("recentchanges", "rc_log_action",        "TEXT"),
1526         array("recentchanges", "rc_log_type",          "TEXT"),
1527         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1528                 array("recentchanges", "rc_new_len",           "INTEGER"),
1529                 array("recentchanges", "rc_old_len",           "INTEGER"),
1530                 array("recentchanges", "rc_params",            "TEXT"),
1531                 array("revision",      "rev_len",              "INTEGER"),
1532                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1533                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1534                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1535                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1536         );
1537
1538
1539         # table, column, desired type, USING clause if needed (with new default if needed)
1540         $typechanges = array(
1541                 array("archive",      "ar_deleted",      "smallint", ""),
1542                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1543                 array("filearchive",  "fa_deleted",      "smallint", ""),
1544                 array("filearchive",  "fa_height",       "integer",  ""),
1545                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1546                 array("filearchive",  "fa_size",         "integer",  ""),
1547                 array("filearchive",  "fa_width",        "integer",  ""),
1548                 array("filearchive",  "fa_storage_group","text",     ""),
1549                 array("filearchive",  "fa_storage_key",  "text",     ""),
1550                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1551                 array("image",        "img_size",        "integer",  ""),
1552                 array("image",        "img_width",       "integer",  ""),
1553                 array("image",        "img_height",      "integer",  ""),
1554                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1555                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1556                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1557                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1558                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1559                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1560                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1561                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1562                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1563                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1564                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1565                 array("mwuser",       "user_token",      "text",     ""),
1566                 array("mwuser",       "user_email_token","text",     ""),
1567                 array("objectcache",  "keyname",         "text",     ""),
1568                 array("oldimage",     "oi_height",       "integer",  ""),
1569                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1570                 array("oldimage",     "oi_size",         "integer",  ""),
1571                 array("oldimage",     "oi_width",        "integer",  ""),
1572                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1573                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1574                 array("querycache",   "qc_value",        "integer",  ""),
1575                 array("querycachetwo","qcc_value",       "integer",  ""),
1576                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1577                 array("recentchanges","rc_deleted",      "smallint", ""),
1578                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1579                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1580                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1581                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1582                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1583                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1584                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1585                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1586         );
1587
1588         $newindexes = array(
1589                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1590                 array("image",         "img_sha1",           "(img_sha1)"),
1591                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1592                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1593                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1594                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1595                 array("watchlist",     "wl_user",            "(wl_user)"),
1596         );
1597
1598         $newrules = array(
1599         );
1600
1601         foreach ($newsequences as $ns) {
1602                 if ($wgDatabase->sequenceExists($ns)) {
1603                         echo "... sequence \"$ns\" already exists\n";
1604                         continue;
1605                 }
1606
1607                 echo "Creating sequence \"$ns\"\n";
1608                 $wgDatabase->query("CREATE SEQUENCE $ns");
1609         }
1610
1611         foreach ($newtables as $nt) {
1612                 if ($wgDatabase->tableExists($nt[0])) {
1613                         echo "... table \"$nt[0]\" already exists\n";
1614                         continue;
1615                 }
1616
1617                 echo "Creating table \"$nt[0]\"\n";
1618                 dbsource(archive($nt[1]));
1619         }
1620
1621         ## Needed before newcols
1622         if ($wgDatabase->tableExists("archive2")) {
1623                 echo "Converting \"archive2\" back to normal archive table\n";
1624                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1625                         echo "Dropping rule \"archive_insert\"\n";
1626                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1627                 }
1628                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1629                         echo "Dropping rule \"archive_delete\"\n";
1630                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1631                 }
1632                 dbsource(archive("patch-remove-archive2.sql"));
1633         }
1634         else
1635                 echo "... obsolete table \"archive2\" does not exist\n";
1636
1637         foreach ($newcols as $nc) {
1638                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1639                 if (!is_null($fi)) {
1640                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1641                         continue;
1642                 }
1643
1644                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1645                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1646         }
1647
1648         foreach ($typechanges as $tc) {
1649                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1650                 if (is_null($fi)) {
1651                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1652                         exit(1);
1653                 }
1654
1655                 if ($fi->type() === $tc[2])
1656                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1657                 else {
1658                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1659                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1660                         if (strlen($tc[3])) {
1661                                 $default = array();
1662                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1663                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1664                                         $wgDatabase->query($sqldef);
1665                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1666                                 }
1667                                 $sql .= " USING $tc[3]";
1668                         }
1669                         $sql .= ";\nCOMMIT;\n";
1670                         $wgDatabase->query($sql);
1671                 }
1672         }
1673
1674         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1675                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1676                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1677                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1678                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1679         }
1680         else
1681                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1682
1683
1684         foreach ($newindexes as $ni) {
1685                 if (pg_index_exists($ni[0], $ni[1])) {
1686                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1687                         continue;
1688                 }
1689                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1690                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1691         }
1692
1693         foreach ($newrules as $nr) {
1694                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1695                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1696                         continue;
1697                 }
1698                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1699                 dbsource(archive($nr[2]));
1700         }
1701
1702         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1703                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1704                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1705                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1706                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1707         }
1708         else
1709                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1710
1711         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1712                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1713                 dbsource(archive('patch-page_deleted.sql'));
1714         }
1715         else
1716                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1717
1718         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1719         if (!$fi->nullable()) {
1720                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1721                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1722         }
1723         else
1724                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1725
1726         $pu = pg_describe_index("pagelink_unique");
1727         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1728                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1729                 $wgDatabase->query("DROP INDEX pagelink_unique");
1730                 $pu = null;
1731         }
1732         else
1733                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1734
1735         if (is_null($pu)) {
1736                 echo "Creating index \"pagelink_unique index\"\n";
1737                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1738         }
1739         else
1740                 echo "... index \"pagelink_unique_index\" already exists\n";
1741
1742         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1743                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1744         }
1745         else {
1746                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1747                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1748         }
1749
1750         # Fix ipb_address index
1751         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1752                 echo "Removing deprecated index 'ipb_address'...\n";
1753                 $wgDatabase->query('DROP INDEX ipb_address');
1754         }
1755         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1756                 echo "... have ipb_address_unique\n";
1757         }
1758         else {
1759                 echo "Adding ipb_address_unique index\n";
1760                 dbsource(archive('patch-ipb_address_unique.sql'));
1761         }
1762
1763         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1764         # Add missing extension tables
1765         foreach ( $wgExtNewTables as $nt ) {
1766                 if ($wgDatabase->tableExists($nt[0])) {
1767                         echo "... table \"$nt[0]\" already exists\n";
1768                         continue;
1769                 }
1770                 echo "Creating table \"$nt[0]\"\n";
1771                 dbsource($nt[1]);
1772         }
1773         # Add missing extension fields
1774         foreach ( $wgExtPGNewFields as $nc ) {
1775                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1776                 if (!is_null($fi)) {
1777                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1778                         continue;
1779                 }
1780                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1781                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1782         }
1783         # Add missing extension indexes
1784         foreach ( $wgExtNewIndexes as $ni ) {
1785                 if (pg_index_exists($ni[0], $ni[1])) {
1786                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1787                         continue;
1788                 }
1789                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1790                 dbsource($ni[2]);
1791         }
1792
1793         # Tweak the page_title tsearch2 trigger to filter out slashes
1794         # This is create or replace, so harmless to call if not needed
1795         dbsource(archive('patch-ts2pagetitle.sql'));
1796
1797         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1798         ## in case they have the old 'default' versions
1799         if ( $numver >= 8.3 )
1800                 dbsource(archive('patch-tsearch2funcs.sql'));
1801
1802         ## Put a new row in the mediawiki_version table
1803         $wgDatabase->insert( 'mediawiki_version',
1804                 array(
1805                         'type' => 'Update',
1806                         'ctype' => 'U',
1807                         'mw_version' => $wgVersion,
1808                         'pg_version' => $version,
1809                         'sql_version' => '$LastChangedRevision$',
1810                         'sql_date' => '$LastChangedDate$',
1811                 ) );
1812         return;
1813 }