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