maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 require_once 'deleteDefaultMessages.php';
  15 # Extension updates
  16 require_once( "$IP/includes/Hooks.php" );
  17
  18 /**
  19  * List of update functions to call for each DB type, in sequence. First item
  20  * is function name, rest are parameters to pass.
  21  */
  22 $wgUpdates = array(
  23         'mysql' => array(
  24                 // 1.2
  25                 // update_passwords obsolete
  26                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28                 array( 'do_interwiki_update' ),
  29                 array( 'do_index_update' ),
  30                 // do_linkscc_update obsolete
  31                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34                 // 1.3
  35                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39                 // do_linkscc_1_3_update obsolete
  40                 array( 'do_old_links_update' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146                 array( 'update_password_format' ),
 147
 148                 // 1.14
 149                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 150                 array( 'do_active_users_init' ),
 151                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 152                 array( 'do_unique_pl_tl_il' ),
 153         ),
 154
 155         'sqlite' => array(
 156                 // 1.14
 157                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 158                 array( 'do_active_users_init' ),
 159                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 160                 array( 'sqlite_initial_indexes' ),
 161         ),
 162 );
 163
 164
 165 # For extensions only, should be populated via hooks
 166 # $wgDBtype should be checked to specifiy the proper file
 167 $wgExtNewTables = array(); // table, dir
 168 $wgExtNewFields = array(); // table, column, dir
 169 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 170 $wgExtNewIndexes = array(); // table, index, dir
 171
 172 # Helper function: check if the given key is present in the updatelog table.
 173 # Obviously, only use this for updates that occur after the updatelog table was
 174 # created!
 175 function update_row_exists( $key ) {
 176         $dbr = wfGetDB( DB_SLAVE );
 177         $row = $dbr->selectRow(
 178                 'updatelog',
 179                 '1',
 180                 array( 'ul_key' => $key ),
 181                 __FUNCTION__
 182         );
 183         return (bool)$row;
 184 }
 185
 186 function rename_table( $from, $to, $patch ) {
 187         global $wgDatabase;
 188         if ( $wgDatabase->tableExists( $from ) ) {
 189                 if ( $wgDatabase->tableExists( $to ) ) {
 190                         echo "...can't move table $from to $to, $to already exists.\n";
 191                 } else {
 192                         echo "Moving table $from to $to...";
 193                         dbsource( archive($patch), $wgDatabase );
 194                         echo "ok\n";
 195                 }
 196         } else {
 197                 // Source table does not exist
 198                 // Renames are done before creations, so this is typical for a new installation
 199                 // Ignore silently
 200         }
 201 }
 202
 203 function add_table( $name, $patch, $fullpath=false ) {
 204         global $wgDatabase;
 205         if ( $wgDatabase->tableExists( $name ) ) {
 206                 echo "...$name table already exists.\n";
 207         } else {
 208                 echo "Creating $name table...";
 209                 if( $fullpath ) {
 210                         dbsource( $patch, $wgDatabase );
 211                 } else {
 212                         dbsource( archive($patch), $wgDatabase );
 213                 }
 214                 echo "ok\n";
 215         }
 216 }
 217
 218 function add_field( $table, $field, $patch, $fullpath=false ) {
 219         global $wgDatabase;
 220         if ( !$wgDatabase->tableExists( $table ) ) {
 221                 echo "...$table table does not exist, skipping new field patch\n";
 222         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 223                 echo "...have $field field in $table table.\n";
 224         } else {
 225                 echo "Adding $field field to table $table...";
 226                 if( $fullpath ) {
 227                         dbsource( $patch, $wgDatabase );
 228                 } else {
 229                         dbsource( archive($patch), $wgDatabase );
 230                 }
 231                 echo "ok\n";
 232         }
 233 }
 234
 235 function add_index( $table, $index, $patch, $fullpath=false ) {
 236         global $wgDatabase;
 237         if( $wgDatabase->indexExists( $table, $index ) ) {
 238                 echo "...$index key already set on $table table.\n";
 239         } else {
 240                 echo "Adding $index key to table $table... ";
 241                 if( $fullpath ) {
 242                         dbsource( $patch, $wgDatabase );
 243                 } else {
 244                         dbsource( archive($patch), $wgDatabase );
 245                 }
 246                 echo "ok\n";
 247         }
 248 }
 249
 250 function do_revision_updates() {
 251         global $wgSoftwareRevision;
 252         if ( $wgSoftwareRevision < 1001 ) {
 253                 update_passwords();
 254         }
 255 }
 256
 257 function update_passwords() {
 258         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 259
 260         global $wgDatabase;
 261         $fname = "Update script: update_passwords()";
 262         print "\nIt appears that you need to update the user passwords in your\n" .
 263           "database. If you have already done this (if you've run this update\n" .
 264           "script once before, for example), doing so again will make all your\n" .
 265           "user accounts inaccessible, so be sure you only do this once.\n" .
 266           "Update user passwords? (yes/no)";
 267
 268         $resp = readconsole();
 269     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 270
 271         $sql = "SELECT user_id,user_password FROM user";
 272         $source = $wgDatabase->query( $sql, $fname );
 273
 274         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 275                 $id = $row->user_id;
 276                 $oldpass = $row->user_password;
 277                 $newpass = md5( "{$id}-{$oldpass}" );
 278
 279                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 280                   "WHERE user_id={$id}";
 281                 $wgDatabase->query( $sql, $fname );
 282         }
 283 }
 284
 285 function do_interwiki_update() {
 286         # Check that interwiki table exists; if it doesn't source it
 287         global $wgDatabase, $IP;
 288         if( $wgDatabase->tableExists( "interwiki" ) ) {
 289                 echo "...already have interwiki table\n";
 290                 return true;
 291         }
 292         echo "Creating interwiki table: ";
 293         dbsource( archive("patch-interwiki.sql") );
 294         echo "ok\n";
 295         echo "Adding default interwiki definitions: ";
 296         dbsource( "$IP/maintenance/interwiki.sql" );
 297         echo "ok\n";
 298 }
 299
 300 function do_index_update() {
 301         # Check that proper indexes are in place
 302         global $wgDatabase;
 303         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 304         if( !$meta->isMultipleKey() ) {
 305                 echo "Updating indexes to 20031107: ";
 306                 dbsource( archive("patch-indexes.sql") );
 307                 echo "ok\n";
 308                 return true;
 309         }
 310         echo "...indexes seem up to 20031107 standards\n";
 311         return false;
 312 }
 313
 314 function do_image_index_update() {
 315         global $wgDatabase;
 316
 317         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 318         if( !$meta->isMultipleKey() ) {
 319                 echo "Updating indexes to 20050912: ";
 320                 dbsource( archive("patch-mimesearch-indexes.sql") );
 321                 echo "ok\n";
 322                 return true;
 323         }
 324         echo "...indexes seem up to 20050912 standards\n";
 325         return false;
 326 }
 327
 328 function do_image_name_unique_update() {
 329         global $wgDatabase;
 330         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 331                 echo "...image primary key already set.\n";
 332         } else {
 333                 echo "Making img_name the primary key... ";
 334                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 335                 echo "ok\n";
 336         }
 337 }
 338
 339 function do_logging_timestamp_index() {
 340         global $wgDatabase;
 341         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 342                 echo "...timestamp key on logging already exists.\n";
 343         } else {
 344                 echo "Adding timestamp key on logging table... ";
 345                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 346                 echo "ok\n";
 347         }
 348 }
 349
 350 function do_archive_user_index() {
 351         global $wgDatabase;
 352         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 353                 echo "...usertext,timestamp key on archive already exists.\n";
 354         } else {
 355                 echo "Adding usertext,timestamp key on archive table... ";
 356                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 357                 echo "ok\n";
 358         }
 359 }
 360
 361 function do_image_user_index() {
 362         global $wgDatabase;
 363         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 364                 echo "...usertext,timestamp key on image already exists.\n";
 365         } else {
 366                 echo "Adding usertext,timestamp key on image table... ";
 367                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 368                 echo "ok\n";
 369         }
 370 }
 371
 372 function do_oldimage_user_index() {
 373         global $wgDatabase;
 374         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 375                 echo "...usertext,timestamp key on oldimage already exists.\n";
 376         } else {
 377                 echo "Adding usertext,timestamp key on oldimage table... ";
 378                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 379                 echo "ok\n";
 380         }
 381 }
 382
 383 function do_watchlist_update() {
 384         global $wgDatabase;
 385         $fname = 'do_watchlist_update';
 386         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 387                 echo "The watchlist table is already set up for email notification.\n";
 388         } else {
 389                 echo "Adding wl_notificationtimestamp field for email notification management.";
 390                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 391                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 392                 echo "ok\n";
 393         }
 394         # Check if we need to add talk page rows to the watchlist
 395         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 396         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 397         if ( $talk != $nontalk ) {
 398                 echo "Adding missing watchlist talk page rows... ";
 399                 flush();
 400
 401                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 402                         array(
 403                                 'wl_user' => 'wl_user',
 404                                 'wl_namespace' => 'wl_namespace | 1',
 405                                 'wl_title' => 'wl_title',
 406                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 407                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 408                 echo "ok\n";
 409         } else {
 410                 echo "...watchlist talk page rows already present\n";
 411         }
 412 }
 413
 414 function do_copy_newtalk_to_watchlist() {
 415         global $wgDatabase;
 416         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 417
 418         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 419                 $wgDatabase->tableName( 'user_newtalk' ) );
 420         $num_newtalks=$wgDatabase->numRows($res);
 421         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 422
 423         $user = new User();
 424         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 425                 $wluser = $wgDatabase->fetchObject( $res );
 426                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 427                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 428                                 $wgDatabase->replace( 'watchlist',
 429                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 430                                           array('wl_user'                       => 0,
 431                                                 'wl_namespace'                  => NS_USER_TALK,
 432                                                 'wl_title'                      => $wluser->user_ip,
 433                                                 'wl_notificationtimestamp'      => '19700101000000'
 434                                                 ), 'updaters.inc::do_watchlist_update2'
 435                                         );
 436                         }
 437                 } else { # normal users ... have user_ids
 438                         $user->setID($wluser->user_id);
 439                         $wgDatabase->replace( 'watchlist',
 440                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 441                                   array('wl_user'                       => $user->getID(),
 442                                         'wl_namespace'                  => NS_USER_TALK,
 443                                         'wl_title'                      => $user->getName(),
 444                                         'wl_notificationtimestamp'      => '19700101000000'
 445                                         ), 'updaters.inc::do_watchlist_update3'
 446                                 );
 447                 }
 448         }
 449         echo "Done.\n";
 450 }
 451
 452
 453 function do_user_update() {
 454         global $wgDatabase;
 455         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 456                 echo "User table contains old email authentication field. Dropping... ";
 457                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 458                 echo "ok\n";
 459         } else {
 460                 echo "...user table does not contain old email authentication field.\n";
 461         }
 462 }
 463
 464 /**
 465  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 466  * which causes a collation mismatch error on joins in MySQL 4.1.
 467  */
 468 function check_bin( $table, $field, $patchFile ) {
 469         global $wgDatabase, $wgDBtype;
 470         if ($wgDBtype != 'mysql')
 471                 return;
 472         $tableName = $wgDatabase->tableName( $table );
 473         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 474         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 475         $wgDatabase->freeResult( $res );
 476
 477         if( in_array( 'binary', $flags ) ) {
 478                 echo "$table table has correct $field encoding.\n";
 479         } else {
 480                 echo "Fixing $field encoding on $table table... ";
 481                 dbsource( archive( $patchFile ), $wgDatabase );
 482                 echo "ok\n";
 483         }
 484 }
 485
 486 function do_schema_restructuring() {
 487         global $wgDatabase;
 488         $fname="do_schema_restructuring";
 489         if ( $wgDatabase->tableExists( 'page' ) ) {
 490                 echo "...page table already exists.\n";
 491         } else {
 492                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 493                 echo wfTimestamp( TS_DB );
 494                 echo "......checking for duplicate entries.\n"; flush();
 495
 496                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 497
 498                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 499                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 500
 501                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 502                         echo wfTimestamp( TS_DB );
 503                         echo "......<b>Found duplicate entries</b>\n";
 504                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 505                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 506                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 507                                         $duplicate[$row->cur_namespace] = array();
 508                                 }
 509                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 510                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 511                         }
 512                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 513                         $firstCond = true;
 514                         foreach ( $duplicate as $ns => $titles ) {
 515                                 if ( $firstCond ) {
 516                                         $firstCond = false;
 517                                 } else {
 518                                         $sql .= ' OR ';
 519                                 }
 520                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 521                                 $first = true;
 522                                 foreach ( $titles as $t ) {
 523                                         if ( $first ) {
 524                                                 $sql .= $wgDatabase->addQuotes( $t );
 525                                                 $first = false;
 526                                         } else {
 527                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 528                                         }
 529                                 }
 530                                 $sql .= ") ) \n";
 531                         }
 532                         # By sorting descending, the most recent entry will be the first in the list.
 533                         # All following entries will be deleted by the next while-loop.
 534                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 535
 536                         $rows = $wgDatabase->query( $sql, $fname );
 537
 538                         $prev_title = $prev_namespace = false;
 539                         $deleteId = array();
 540
 541                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 542                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 543                                         $deleteId[] = $row->cur_id;
 544                                 }
 545                                 $prev_title     = $row->cur_title;
 546                                 $prev_namespace = $row->cur_namespace;
 547                         }
 548                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 549                         $rows = $wgDatabase->query( $sql, $fname );
 550                         echo wfTimestamp( TS_DB );
 551                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 552                 }
 553
 554
 555                 echo wfTimestamp( TS_DB );
 556                 echo "......Creating tables.\n";
 557                 $wgDatabase->query("CREATE TABLE $page (
 558                         page_id int(8) unsigned NOT NULL auto_increment,
 559                         page_namespace int NOT NULL,
 560                         page_title varchar(255) binary NOT NULL,
 561                         page_restrictions tinyblob NOT NULL,
 562                         page_counter bigint(20) unsigned NOT NULL default '0',
 563                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 564                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 565                         page_random real unsigned NOT NULL,
 566                         page_touched char(14) binary NOT NULL default '',
 567                         page_latest int(8) unsigned NOT NULL,
 568                         page_len int(8) unsigned NOT NULL,
 569
 570                         PRIMARY KEY page_id (page_id),
 571                         UNIQUE INDEX name_title (page_namespace,page_title),
 572                         INDEX (page_random),
 573                         INDEX (page_len)
 574                         ) ENGINE=InnoDB", $fname );
 575                 $wgDatabase->query("CREATE TABLE $revision (
 576                         rev_id int(8) unsigned NOT NULL auto_increment,
 577                         rev_page int(8) unsigned NOT NULL,
 578                         rev_comment tinyblob NOT NULL,
 579                         rev_user int(5) unsigned NOT NULL default '0',
 580                         rev_user_text varchar(255) binary NOT NULL default '',
 581                         rev_timestamp char(14) binary NOT NULL default '',
 582                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 583                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 584                         rev_len int(8) unsigned,
 585                         rev_parent_id int(8) unsigned default NULL,
 586                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 587                         UNIQUE INDEX rev_id (rev_id),
 588                         INDEX rev_timestamp (rev_timestamp),
 589                         INDEX page_timestamp (rev_page,rev_timestamp),
 590                         INDEX user_timestamp (rev_user,rev_timestamp),
 591                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 592                         ) ENGINE=InnoDB", $fname );
 593
 594                 echo wfTimestamp( TS_DB );
 595                 echo "......Locking tables.\n";
 596                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 597
 598                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 599                 echo wfTimestamp( TS_DB );
 600                 echo "......maxold is {$maxold}\n";
 601
 602                 echo wfTimestamp( TS_DB );
 603                 global $wgLegacySchemaConversion;
 604                 if( $wgLegacySchemaConversion ) {
 605                         // Create HistoryBlobCurStub entries.
 606                         // Text will be pulled from the leftover 'cur' table at runtime.
 607                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 608                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 609                         $cur_flags = "'object'";
 610                 } else {
 611                         // Copy all cur text in immediately: this may take longer but avoids
 612                         // having to keep an extra table around.
 613                         echo "......Moving text from cur.\n";
 614                         $cur_text = 'cur_text';
 615                         $cur_flags = "''";
 616                 }
 617                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 618                                 old_timestamp, old_minor_edit, old_flags)
 619                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 620                         FROM $cur", $fname );
 621
 622                 echo wfTimestamp( TS_DB );
 623                 echo "......Setting up revision table.\n";
 624                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 625                                 rev_minor_edit)
 626                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 627                                 old_timestamp, old_minor_edit
 628                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 629
 630                 echo wfTimestamp( TS_DB );
 631                 echo "......Setting up page table.\n";
 632                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 633                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 634                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 635                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 636                         FROM $cur,$revision
 637                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 638
 639                 echo wfTimestamp( TS_DB );
 640                 echo "......Unlocking tables.\n";
 641                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 642
 643                 echo wfTimestamp( TS_DB );
 644                 echo "......Renaming old.\n";
 645                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 646
 647                 echo wfTimestamp( TS_DB );
 648                 echo "...done.\n";
 649         }
 650 }
 651
 652 function do_inverse_timestamp() {
 653         global $wgDatabase;
 654         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 655                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 656                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 657                 echo "ok\n";
 658         } else {
 659                 echo "revision timestamp indexes already up to 2005-03-13\n";
 660         }
 661 }
 662
 663 function do_text_id() {
 664         global $wgDatabase;
 665         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 666                 echo "...rev_text_id already in place.\n";
 667         } else {
 668                 echo "Adding rev_text_id field... ";
 669                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 670                 echo "ok\n";
 671         }
 672 }
 673
 674 function do_namespace_size() {
 675         $tables = array(
 676                 'page'          => 'page',
 677                 'archive'       => 'ar',
 678                 'recentchanges' => 'rc',
 679                 'watchlist'     => 'wl',
 680                 'querycache'    => 'qc',
 681                 'logging'       => 'log',
 682         );
 683         foreach( $tables as $table => $prefix ) {
 684                 do_namespace_size_on( $table, $prefix );
 685                 flush();
 686         }
 687 }
 688
 689 function do_namespace_size_on( $table, $prefix ) {
 690         global $wgDatabase, $wgDBtype;
 691         if ($wgDBtype != 'mysql')
 692                 return;
 693         $field = $prefix . '_namespace';
 694
 695         $tablename = $wgDatabase->tableName( $table );
 696         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 697         $info = $wgDatabase->fetchObject( $result );
 698         $wgDatabase->freeResult( $result );
 699
 700         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 701                 echo "...$field is already a full int ($info->Type).\n";
 702         } else {
 703                 echo "Promoting $field from $info->Type to int... ";
 704
 705                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 706                 $wgDatabase->query( $sql );
 707
 708                 echo "ok\n";
 709         }
 710 }
 711
 712 function do_pagelinks_update() {
 713         global $wgDatabase;
 714         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 715                 echo "...already have pagelinks table.\n";
 716         } else {
 717                 echo "Converting links and brokenlinks tables to pagelinks... ";
 718                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 719                 echo "ok\n";
 720                 flush();
 721
 722                 global $wgCanonicalNamespaceNames;
 723                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 724                         if( $ns != 0 ) {
 725                                 do_pagelinks_namespace( $ns );
 726                         }
 727                 }
 728         }
 729 }
 730
 731 function do_pagelinks_namespace( $namespace ) {
 732         global $wgDatabase, $wgContLang;
 733
 734         $ns = intval( $namespace );
 735         echo "Cleaning up broken links for namespace $ns... ";
 736
 737         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 738         $name = $wgContLang->getNsText( $ns );
 739         $prefix = $wgDatabase->strencode( $name );
 740         $likeprefix = str_replace( '_', '\\_', $prefix);
 741
 742         $sql = "UPDATE $pagelinks
 743                    SET pl_namespace=$ns,
 744                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 745                  WHERE pl_namespace=0
 746                    AND pl_title LIKE '$likeprefix:%'";
 747
 748         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 749         echo "ok\n";
 750 }
 751
 752 function do_drop_img_type() {
 753         global $wgDatabase;
 754
 755         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 756                 echo "Dropping unused img_type field in image table... ";
 757                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 758                 echo "ok\n";
 759         } else {
 760                 echo "No img_type field in image table; Good.\n";
 761         }
 762 }
 763
 764 function do_old_links_update() {
 765         global $wgDatabase;
 766         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 767                 echo "Already have pagelinks; skipping old links table updates.\n";
 768         } else {
 769                 convertLinks(); flush();
 770         }
 771 }
 772
 773 function do_user_unique_update() {
 774         global $wgDatabase;
 775         $duper = new UserDupes( $wgDatabase );
 776         if( $duper->hasUniqueIndex() ) {
 777                 echo "Already have unique user_name index.\n";
 778         } else {
 779                 if( !$duper->clearDupes() ) {
 780                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 781                 }
 782                 echo "Adding unique index on user_name... ";
 783                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 784                 echo "ok\n";
 785         }
 786 }
 787
 788 function do_user_groups_update() {
 789         $fname = 'do_user_groups_update';
 790         global $wgDatabase;
 791
 792         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 793                 echo "...user_groups table already exists.\n";
 794                 return do_user_groups_reformat();
 795         }
 796
 797         echo "Adding user_groups table... ";
 798         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 799         echo "ok\n";
 800
 801         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 802                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 803                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 804                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 805                         echo "ok\n";
 806                 } else {
 807                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 808                         echo "*** You may need to manually configure some sysops by manipulating\n";
 809                         echo "*** the user_groups table.\n";
 810                         return;
 811                 }
 812         }
 813
 814         echo "Converting user_rights table to user_groups... ";
 815         $result = $wgDatabase->select( 'user_rights',
 816                 array( 'ur_user', 'ur_rights' ),
 817                 array( "ur_rights != ''" ),
 818                 $fname );
 819
 820         while( $row = $wgDatabase->fetchObject( $result ) ) {
 821                 $groups = array_unique(
 822                         array_map( 'trim',
 823                                 explode( ',', $row->ur_rights ) ) );
 824
 825                 foreach( $groups as $group ) {
 826                         $wgDatabase->insert( 'user_groups',
 827                                 array(
 828                                         'ug_user'  => $row->ur_user,
 829                                         'ug_group' => $group ),
 830                                 $fname );
 831                 }
 832         }
 833         $wgDatabase->freeResult( $result );
 834         echo "ok\n";
 835 }
 836
 837 function do_user_groups_reformat() {
 838         # Check for bogus formats from previous 1.5 alpha code.
 839         global $wgDatabase;
 840         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 841
 842         if( $info->type() == 'int' ) {
 843                 $oldug = $wgDatabase->tableName( 'user_groups' );
 844                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 845                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 846                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 847                 echo "ok\n";
 848
 849                 echo "Re-adding fresh user_groups table... ";
 850                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 851                 echo "ok\n";
 852
 853                 echo "***\n";
 854                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 855                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 856                 echo "***\n";
 857         } else {
 858                 echo "...user_groups is in current format.\n";
 859         }
 860
 861 }
 862
 863 function do_watchlist_null() {
 864         # Make sure wl_notificationtimestamp can be NULL,
 865         # and update old broken items.
 866         global $wgDatabase;
 867         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 868
 869         if( !$info->nullable() ) {
 870                 echo "Making wl_notificationtimestamp nullable... ";
 871                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 872                 echo "ok\n";
 873         } else {
 874                 echo "...wl_notificationtimestamp is already nullable.\n";
 875         }
 876
 877 }
 878
 879 /**
 880  * @bug 3946
 881  */
 882 function do_page_random_update() {
 883         global $wgDatabase;
 884
 885         echo "Setting page_random to a random value on rows where it equals 0...";
 886
 887         $page = $wgDatabase->tableName( 'page' );
 888         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 889         $rows = $wgDatabase->affectedRows();
 890
 891         echo "changed $rows rows\n";
 892 }
 893
 894 function do_templatelinks_update() {
 895         global $wgDatabase, $wgLoadBalancer;
 896         $fname = 'do_templatelinks_update';
 897
 898         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 899                 echo "...templatelinks table already exists\n";
 900                 return;
 901         }
 902         echo "Creating templatelinks table...\n";
 903         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 904         echo "Populating...\n";
 905         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 906                 // Slow, replication-friendly update
 907                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 908                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 909                 $count = 0;
 910                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 911                         $count = ($count + 1) % 100;
 912                         if ( $count == 0 ) {
 913                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 914                                         wfWaitForSlaves( 10 );
 915                                 } else {
 916                                         sleep( 1 );
 917                                 }
 918                         }
 919                         $wgDatabase->insert( 'templatelinks',
 920                                 array(
 921                                         'tl_from' => $row->pl_from,
 922                                         'tl_namespace' => $row->pl_namespace,
 923                                         'tl_title' => $row->pl_title,
 924                                 ), $fname
 925                         );
 926
 927                 }
 928                 $wgDatabase->freeResult( $res );
 929         } else {
 930                 // Fast update
 931                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 932                         array(
 933                                 'tl_from' => 'pl_from',
 934                                 'tl_namespace' => 'pl_namespace',
 935                                 'tl_title' => 'pl_title'
 936                         ), array(
 937                                 'pl_namespace' => 10
 938                         ), $fname
 939                 );
 940         }
 941         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 942 }
 943
 944 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 945 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 946 function do_rc_indices_update() {
 947         global $wgDatabase;
 948         echo( "Checking for additional recent changes indices...\n" );
 949
 950         $indexes = array(
 951                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 952                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 953         );
 954
 955         foreach( $indexes as $index => $patch ) {
 956                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 957                 if( !$info ) {
 958                         echo( "...index `{$index}` not found; adding..." );
 959                         dbsource( archive( $patch ) );
 960                         echo( "done.\n" );
 961                 } else {
 962                         echo( "...index `{$index}` seems ok.\n" );
 963                 }
 964         }
 965 }
 966
 967 function index_has_field($table, $index, $field) {
 968         global $wgDatabase;
 969         echo( "Checking if $table index $index includes field $field...\n" );
 970         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 971         if( $info ) {
 972                 foreach($info as $row) {
 973                         if($row->Column_name == $field) {
 974                                 echo( "...index $index on table $table seems to be ok\n" );
 975                                 return true;
 976                         }
 977                 }
 978         }
 979         echo( "...index $index on table $table has no field $field; adding\n" );
 980         return false;
 981 }
 982
 983 function do_backlinking_indices_update() {
 984         echo( "Checking for backlinking indices...\n" );
 985         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 986                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 987                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 988         {
 989                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 990                 echo( "...backlinking indices updated\n" );
 991         }
 992 }
 993
 994 function do_categorylinks_indices_update() {
 995         echo( "Checking for categorylinks indices...\n" );
 996         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 997         {
 998                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 999                 echo( "...categorylinks indices updated\n" );
1000         }
1001 }
1002
1003 function do_filearchive_indices_update() {
1004         global $wgDatabase;
1005         echo( "Checking filearchive indices...\n" );
1006         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1007         if ( !$info )
1008         {
1009                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1010                 echo( "...filearchive indices updated\n" );
1011         }
1012 }
1013
1014 function maybe_do_profiling_memory_update() {
1015         global $wgDatabase;
1016         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1017                 // Simply ignore
1018         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1019                 echo "profiling table has pf_memory field.\n";
1020         } else {
1021                 echo "Adding pf_memory field to table profiling...";
1022                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1023                 echo "ok\n";
1024         }
1025 }
1026
1027 function do_stats_init() {
1028         // Sometimes site_stats table is not properly populated.
1029         global $wgDatabase;
1030         echo "Checking site_stats row...";
1031         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1032         if( $row === false ) {
1033                 echo "data is missing! rebuilding...\n";
1034         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1035                 echo "missing ss_total_pages, rebuilding...\n";
1036         } else {
1037                 echo "ok.\n";
1038                 return;
1039         }
1040
1041         global $IP;
1042         require_once "$IP/maintenance/initStats.inc";
1043         wfInitStats();
1044 }
1045
1046 function do_active_users_init() {
1047         global $wgDatabase;
1048         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1049         if( $activeUsers == -1 ) {
1050                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1051                         'COUNT( DISTINCT rc_user_text )',
1052                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1053                 );
1054                 $wgDatabase->update( 'site_stats',
1055                         array( 'ss_active_users' => intval($activeUsers) ),
1056                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1057                 );
1058         }
1059         echo( "...ss_active_users user count set...\n" );
1060 }
1061
1062 function purge_cache() {
1063         global $wgDatabase;
1064         # We can't guarantee that the user will be able to use TRUNCATE,
1065         # but we know that DELETE is available to us
1066         echo( "Purging caches..." );
1067         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1068         echo( "done.\n" );
1069 }
1070
1071 function do_all_updates( $shared = false, $purge = true ) {
1072         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1073
1074         wfRunHooks('LoadExtensionSchemaUpdates');
1075
1076         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1077
1078         if ($wgDBtype === 'postgres') {
1079                 do_postgres_updates();
1080                 return;
1081         }
1082
1083         # Run core updates in sequence...
1084         global $wgUpdates;
1085         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1086                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1087                         $func = array_shift( $params );
1088                         call_user_func_array( $func, $params );
1089                         flush();
1090                 }
1091         }
1092
1093         /// @fixme clean up this mess too!
1094         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1095         # Add missing extension tables
1096         foreach ( $wgExtNewTables as $tableRecord ) {
1097                 add_table( $tableRecord[0], $tableRecord[1], true );
1098                 flush();
1099         }
1100         # Add missing extension fields
1101         foreach ( $wgExtNewFields as $fieldRecord ) {
1102                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1103                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1104                 }
1105                 flush();
1106         }
1107         # Add missing extension indexes
1108         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1109                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1110                 flush();
1111         }
1112
1113
1114         echo "Deleting old default messages (this may take a long time!)..."; flush();
1115         deleteDefaultMessages();
1116         echo "Done\n"; flush();
1117
1118         do_stats_init(); flush();
1119
1120         if( $purge ) {
1121                 purge_cache();
1122                 flush();
1123         }
1124 }
1125
1126 function archive($name) {
1127         global $wgDBtype, $IP;
1128         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1129                 return "$IP/maintenance/$wgDBtype/archives/$name";
1130         } else {
1131                 return "$IP/maintenance/archives/$name";
1132         }
1133 }
1134
1135 function do_restrictions_update() {
1136         # Adding page_restrictions table, obsoleting page.page_restrictions.
1137         #  Migrating old restrictions to new table
1138         # -- Andrew Garrett, January 2007.
1139
1140         global $wgDatabase;
1141
1142         $name = 'page_restrictions';
1143         $patch = 'patch-page_restrictions.sql';
1144         $patch2 = 'patch-page_restrictions_sortkey.sql';
1145
1146         if ( $wgDatabase->tableExists( $name ) ) {
1147                 echo "...$name table already exists.\n";
1148         } else {
1149                 echo "Creating $name table...";
1150                 dbsource( archive($patch), $wgDatabase );
1151                 dbsource( archive($patch2), $wgDatabase );
1152                 echo "ok\n";
1153
1154                 echo "Migrating old restrictions to new table...";
1155
1156                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1157
1158                 $count = 0;
1159
1160                 while ($row = $wgDatabase->fetchObject($res) ) {
1161                         $count = ($count + 1) % 100;
1162
1163                         if ($count == 0) {
1164                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1165                                         wfWaitForSlaves( 10 );
1166                                 } else {
1167                                         sleep( 1 );
1168                                 }
1169                         }
1170
1171                         # Figure out what the restrictions are..
1172                         $id = $row->page_id;
1173                         $flatrestrictions = explode( ':', $row->page_restrictions );
1174
1175                         $restrictions = array ();
1176                         foreach( $flatrestrictions as $restriction ) {
1177                                 $thisrestriction = explode( '=', $restriction, 2 );
1178                                 if( count( $thisrestriction ) == 1 ) {
1179                                         // Compatibility with old protections from before
1180                                         // separate move protection was added.
1181                                         list( $level ) = $thisrestriction;
1182                                         if( $level ) {
1183                                                 $restrictions['edit'] = $level;
1184                                                 $restrictions['move'] = $level;
1185                                         }
1186                                 } else {
1187                                         list( $type, $level ) = $thisrestriction;
1188                                         if( $level ) {
1189                                                 $restrictions[$type] = $level;
1190                                         }
1191                                 }
1192
1193                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1194
1195                         }
1196
1197                         foreach( $restrictions as $type => $level ) {
1198                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1199                                                                                         'pr_type' => $type,
1200                                                                                         'pr_level' => $level,
1201                                                                                         'pr_cascade' => 0,
1202                                                                                         'pr_expiry' => 'infinity' ),
1203                                                                                         __METHOD__ );
1204                         }
1205                 }
1206                 print "ok\n";
1207         }
1208 }
1209
1210 function do_category_population() {
1211         if( update_row_exists( 'populate category' ) ) {
1212                 echo "...category table already populated.\n";
1213                 return;
1214         }
1215         require_once( 'populateCategory.inc' );
1216         echo "Populating category table, printing progress markers.  ".
1217 "For large databases, you\n".
1218 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1219 "populateCategory.php.\n";
1220         populateCategory( '', 10, 0, true );
1221         echo "Done populating category table.\n";
1222 }
1223
1224 function do_populate_parent_id() {
1225         if( update_row_exists( 'populate rev_parent_id' ) ) {
1226                 echo "...rev_parent_id column already populated.\n";
1227                 return;
1228         }
1229         require_once( 'populateParentId.inc' );
1230
1231         global $wgDatabase;
1232         populate_rev_parent_id( $wgDatabase );
1233 }
1234
1235 function update_password_format() {
1236         if ( update_row_exists( 'password format' ) ) {
1237                 echo "...password hash format already changed\n";
1238                 return;
1239         }
1240
1241         echo "Updating password hash format...";
1242
1243         global $wgDatabase, $wgPasswordSalt;
1244         $user = $wgDatabase->tableName( 'user' );
1245         if ( $wgPasswordSalt ) {
1246                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1247                         "WHERE user_password NOT LIKE ':%'";
1248         } else {
1249                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1250                         "WHERE user_password NOT LIKE ':%'";
1251         }
1252         $wgDatabase->query( $sql, __METHOD__ );
1253         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1254
1255         echo "done\n";
1256 }
1257
1258 function sqlite_initial_indexes() {
1259         global $wgDatabase;
1260         if ( update_row_exists( 'initial_indexes' ) ) {
1261                 echo "...have initial indexes\n";
1262                 return;
1263         }
1264         echo "Adding initial indexes...";
1265         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1266         echo "done\n";
1267 }
1268
1269 function do_unique_pl_tl_il() {
1270         global $wgDatabase;
1271         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1272         if( is_array($info) && !$info[0]->Non_unique ) {
1273                 echo "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n";
1274         } else {
1275                 echo "Making pl_namespace, tl_namespace and il_to indices UNIQUE... ";
1276                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1277                 echo "ok\n";
1278         }
1279 }
1280
1281 /***********************************************************************
1282  * Start PG crap
1283  * TODO: merge with above
1284  ***********************************************************************/
1285
1286 function
1287 pg_describe_table($table)
1288 {
1289 global  $wgDatabase, $wgDBmwschema;
1290         $q = <<<END
1291 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1292         WHERE pg_class.relnamespace = pg_namespace.oid
1293           AND attrelid=pg_class.oid AND attnum > 0
1294           AND relname=%s AND nspname=%s
1295 END;
1296         $res = $wgDatabase->query(sprintf($q,
1297                         $wgDatabase->addQuotes($table),
1298                         $wgDatabase->addQuotes($wgDBmwschema)));
1299         if (!$res)
1300                 return null;
1301
1302         $cols = array();
1303         while ($r = $wgDatabase->fetchRow($res)) {
1304                 $cols[] = array(
1305                                 "name" => $r[0],
1306                                 "ord" => $r[1],
1307                         );
1308         }
1309         return $cols;
1310 }
1311
1312 function
1313 pg_describe_index($idx)
1314 {
1315 global  $wgDatabase, $wgDBmwschema;
1316
1317         // first fetch the key (which is a list of columns ords) and
1318         // the table the index applies to (an oid)
1319         $q = <<<END
1320 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1321         WHERE nspname=%s
1322           AND pg_class.relnamespace = pg_namespace.oid
1323           AND relname=%s
1324           AND indexrelid=pg_class.oid
1325 END;
1326         $res = $wgDatabase->query(sprintf($q,
1327                         $wgDatabase->addQuotes($wgDBmwschema),
1328                         $wgDatabase->addQuotes($idx)));
1329         if (!$res)
1330                 return null;
1331         if (!($r = $wgDatabase->fetchRow($res))) {
1332                 $wgDatabase->freeResult($res);
1333                 return null;
1334         }
1335
1336         $indkey = $r[0];
1337         $relid = intval($r[1]);
1338         $indkeys = explode(" ", $indkey);
1339         $wgDatabase->freeResult($res);
1340
1341         $colnames = array();
1342         foreach ($indkeys as $rid) {
1343                 $query = <<<END
1344 SELECT attname FROM pg_class, pg_attribute
1345         WHERE attrelid=$relid
1346           AND attnum=%d
1347           AND attrelid=pg_class.oid
1348 END;
1349                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1350                 if (!$r2)
1351                         return null;
1352                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1353                         $wgDatabase->freeResult($r2);
1354                         return null;
1355                 }
1356                 $colnames[] = $row2[0];
1357                 $wgDatabase->freeResult($r2);
1358         }
1359
1360         return $colnames;
1361 }
1362
1363 function
1364 pg_index_exists($table, $index)
1365 {
1366 global  $wgDatabase, $wgDBmwschema;
1367         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1368                         array(  "indexname" => $index,
1369                                 "tablename" => $table,
1370                                 "schemaname" => $wgDBmwschema));
1371         return $exists === $index;
1372 }
1373
1374 function
1375 pg_fkey_deltype($fkey)
1376 {
1377 global  $wgDatabase, $wgDBmwschema;
1378         $q = <<<END
1379 SELECT confdeltype FROM pg_constraint, pg_namespace
1380         WHERE connamespace=pg_namespace.oid
1381           AND nspname=%s
1382           AND conname=%s;
1383 END;
1384         $r = $wgDatabase->query(sprintf($q,
1385                 $wgDatabase->addQuotes($wgDBmwschema),
1386                 $wgDatabase->addQuotes($fkey)));
1387         if (!($row = $wgDatabase->fetchRow($r)))
1388                 return null;
1389         return $row[0];
1390 }
1391
1392 function
1393 pg_rule_def($table, $rule)
1394 {
1395 global  $wgDatabase, $wgDBmwschema;
1396         $q = <<<END
1397 SELECT definition FROM pg_rules
1398         WHERE schemaname = %s
1399           AND tablename = %s
1400           AND rulename = %s
1401 END;
1402         $r = $wgDatabase->query(sprintf($q,
1403                         $wgDatabase->addQuotes($wgDBmwschema),
1404                         $wgDatabase->addQuotes($table),
1405                         $wgDatabase->addQuotes($rule)));
1406         $row = $wgDatabase->fetchRow($r);
1407         if (!$row)
1408                 return null;
1409         $d = $row[0];
1410         $wgDatabase->freeResult($r);
1411         return $d;
1412 }
1413
1414 function do_postgres_updates() {
1415         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1416
1417         ## Gather version numbers in case we need them
1418         $version = $wgDatabase->getServerVersion(); ## long string
1419         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1420
1421         $wgShowExceptionDetails = 1;
1422
1423         # Just in case their LocalSettings.php does not have this:
1424         if ( !isset( $wgDBmwschema ))
1425                 $wgDBmwschema = 'mediawiki';
1426
1427         # Verify that this user is configured correctly
1428         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1429         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1430         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1431         $conf = array();
1432         foreach( explode( '*', $config ) as $c ) {
1433                 list( $x,$y ) = explode( '=', $c );
1434                 $conf[$x] = $y;
1435         }
1436         if( !array_key_exists( 'search_path', $conf ) ) {
1437                 $search_path = '';
1438         }
1439         else {
1440                 $search_path = $conf['search_path'];
1441         }
1442         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1443                 echo "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1444                 $search_path = "$wgDBmwschema, $search_path";
1445         }
1446         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1447                 echo "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1448                 $search_path = "$search_path, $wgDBts2schema";
1449         }
1450         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1451                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1452                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1453         }
1454         else {
1455                 $path = $conf['search_path'];
1456                 echo "... search_path for user \"$wgDBuser\" looks correct ($path)\n";
1457         }
1458         $goodconf = array(
1459                 'client_min_messages' => 'error',
1460                 'DateStyle'           => 'ISO, YMD',
1461                 'TimeZone'            => 'GMT'
1462         );
1463         foreach( array_keys( $goodconf ) AS $key ) {
1464                 $value = $goodconf[$key];
1465                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1466                         echo "Setting $key to '$value' for user \"$wgDBuser\"\n";
1467                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1468                         $wgDatabase->doQuery( "SET $key = '$value'" );
1469                 }
1470                 else {
1471                         echo "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n";
1472                 }
1473         }
1474
1475         $newsequences = array(
1476                 "log_log_id_seq",
1477                 "pr_id_val",
1478         );
1479
1480         $newtables = array(
1481                 array("category",          "patch-category.sql"),
1482                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1483                 array("mwuser",            "patch-mwuser.sql"),
1484                 array("pagecontent",       "patch-pagecontent.sql"),
1485                 array("querycachetwo",     "patch-querycachetwo.sql"),
1486                 array("page_props",        "patch-page_props.sql"),
1487                 array("page_restrictions", "patch-page_restrictions.sql"),
1488                 array("profiling",         "patch-profiling.sql"),
1489                 array("protected_titles",  "patch-protected_titles.sql"),
1490                 array("redirect",          "patch-redirect.sql"),
1491                 array("updatelog",         "patch-updatelog.sql"),
1492         );
1493
1494         $newcols = array(
1495                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1496                 array("archive",       "ar_len",               "INTEGER"),
1497                 array("archive",       "ar_page_id",           "INTEGER"),
1498                 array("archive",       "ar_parent_id",         "INTEGER"),
1499                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1500                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1501                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1502                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1503                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1504                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1505                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1506                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1507                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1508                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1509                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1510                 array("logging",       "log_params",           "TEXT"),
1511                 array("mwuser",        "user_editcount",       "INTEGER"),
1512                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1513                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1514                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1515                 array("oldimage",      "oi_media_type",        "TEXT"),
1516                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1517                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1518                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1519                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1520                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1521                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1522                 array("recentchanges", "rc_log_action",        "TEXT"),
1523         array("recentchanges", "rc_log_type",          "TEXT"),
1524         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1525                 array("recentchanges", "rc_new_len",           "INTEGER"),
1526                 array("recentchanges", "rc_old_len",           "INTEGER"),
1527                 array("recentchanges", "rc_params",            "TEXT"),
1528                 array("revision",      "rev_len",              "INTEGER"),
1529                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1530                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1531                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1532                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1533         );
1534
1535
1536         # table, column, desired type, USING clause if needed (with new default if needed)
1537         $typechanges = array(
1538                 array("archive",      "ar_deleted",      "smallint", ""),
1539                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1540                 array("filearchive",  "fa_deleted",      "smallint", ""),
1541                 array("filearchive",  "fa_height",       "integer",  ""),
1542                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1543                 array("filearchive",  "fa_size",         "integer",  ""),
1544                 array("filearchive",  "fa_width",        "integer",  ""),
1545                 array("filearchive",  "fa_storage_group","text",     ""),
1546                 array("filearchive",  "fa_storage_key",  "text",     ""),
1547                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1548                 array("image",        "img_size",        "integer",  ""),
1549                 array("image",        "img_width",       "integer",  ""),
1550                 array("image",        "img_height",      "integer",  ""),
1551                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1552                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1553                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1554                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1555                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1556                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1557                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1558                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1559                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1560                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1561                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1562                 array("mwuser",       "user_token",      "text",     ""),
1563                 array("mwuser",       "user_email_token","text",     ""),
1564                 array("objectcache",  "keyname",         "text",     ""),
1565                 array("oldimage",     "oi_height",       "integer",  ""),
1566                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1567                 array("oldimage",     "oi_size",         "integer",  ""),
1568                 array("oldimage",     "oi_width",        "integer",  ""),
1569                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1570                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1571                 array("querycache",   "qc_value",        "integer",  ""),
1572                 array("querycachetwo","qcc_value",       "integer",  ""),
1573                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1574                 array("recentchanges","rc_deleted",      "smallint", ""),
1575                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1576                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1577                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1578                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1579                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1580                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1581                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1582                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1583         );
1584
1585         $newindexes = array(
1586                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1587                 array("image",         "img_sha1",           "(img_sha1)"),
1588                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1589                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1590                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1591                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1592                 array("watchlist",     "wl_user",            "(wl_user)"),
1593         );
1594
1595         $newrules = array(
1596         );
1597
1598         foreach ($newsequences as $ns) {
1599                 if ($wgDatabase->sequenceExists($ns)) {
1600                         echo "... sequence \"$ns\" already exists\n";
1601                         continue;
1602                 }
1603
1604                 echo "Creating sequence \"$ns\"\n";
1605                 $wgDatabase->query("CREATE SEQUENCE $ns");
1606         }
1607
1608         foreach ($newtables as $nt) {
1609                 if ($wgDatabase->tableExists($nt[0])) {
1610                         echo "... table \"$nt[0]\" already exists\n";
1611                         continue;
1612                 }
1613
1614                 echo "Creating table \"$nt[0]\"\n";
1615                 dbsource(archive($nt[1]));
1616         }
1617
1618         ## Needed before newcols
1619         if ($wgDatabase->tableExists("archive2")) {
1620                 echo "Converting \"archive2\" back to normal archive table\n";
1621                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1622                         echo "Dropping rule \"archive_insert\"\n";
1623                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1624                 }
1625                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1626                         echo "Dropping rule \"archive_delete\"\n";
1627                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1628                 }
1629                 dbsource(archive("patch-remove-archive2.sql"));
1630         }
1631         else
1632                 echo "... obsolete table \"archive2\" does not exist\n";
1633
1634         foreach ($newcols as $nc) {
1635                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1636                 if (!is_null($fi)) {
1637                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1638                         continue;
1639                 }
1640
1641                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1642                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1643         }
1644
1645         foreach ($typechanges as $tc) {
1646                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1647                 if (is_null($fi)) {
1648                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1649                         exit(1);
1650                 }
1651
1652                 if ($fi->type() === $tc[2])
1653                         echo "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n";
1654                 else {
1655                         echo "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n";
1656                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1657                         if (strlen($tc[3])) {
1658                                 $default = array();
1659                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1660                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1661                                         $wgDatabase->query($sqldef);
1662                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1663                                 }
1664                                 $sql .= " USING $tc[3]";
1665                         }
1666                         $sql .= ";\nCOMMIT;\n";
1667                         $wgDatabase->query($sql);
1668                 }
1669         }
1670
1671         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1672                 echo "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n";
1673                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1674                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1675                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1676         }
1677         else
1678                 echo "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n";
1679
1680
1681         foreach ($newindexes as $ni) {
1682                 if (pg_index_exists($ni[0], $ni[1])) {
1683                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1684                         continue;
1685                 }
1686                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n";
1687                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1688         }
1689
1690         foreach ($newrules as $nr) {
1691                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1692                         echo "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n";
1693                         continue;
1694                 }
1695                 echo "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n";
1696                 dbsource(archive($nr[2]));
1697         }
1698
1699         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1700                 echo "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n";
1701                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1702                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1703                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1704         }
1705         else
1706                 echo "... table \"oldimage\" has correct cascade delete foreign key to image\n";
1707
1708         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1709                 echo "Adding function and trigger \"page_deleted\" to table \"page\"\n";
1710                 dbsource(archive('patch-page_deleted.sql'));
1711         }
1712         else
1713                 echo "... table \"page\" has \"page_deleted\" trigger\n";
1714
1715         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1716         if (!$fi->nullable()) {
1717                 echo "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n";
1718                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1719         }
1720         else
1721                 echo "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n";
1722
1723         $pu = pg_describe_index("pagelink_unique");
1724         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1725                 echo "Dropping obsolete version of index \"pagelink_unique index\"\n";
1726                 $wgDatabase->query("DROP INDEX pagelink_unique");
1727                 $pu = null;
1728         }
1729         else
1730                 echo "... obsolete version of index \"pagelink_unique index\" does not exist\n";
1731
1732         if (is_null($pu)) {
1733                 echo "Creating index \"pagelink_unique index\"\n";
1734                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1735         }
1736         else
1737                 echo "... index \"pagelink_unique_index\" already exists\n";
1738
1739         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1740                 echo "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n";
1741         }
1742         else {
1743                 echo "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n";
1744                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1745         }
1746
1747         # Fix ipb_address index
1748         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1749                 echo "Removing deprecated index 'ipb_address'...\n";
1750                 $wgDatabase->query('DROP INDEX ipb_address');
1751         }
1752         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1753                 echo "... have ipb_address_unique\n";
1754         }
1755         else {
1756                 echo "Adding ipb_address_unique index\n";
1757                 dbsource(archive('patch-ipb_address_unique.sql'));
1758         }
1759
1760         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1761         # Add missing extension tables
1762         foreach ( $wgExtNewTables as $nt ) {
1763                 if ($wgDatabase->tableExists($nt[0])) {
1764                         echo "... table \"$nt[0]\" already exists\n";
1765                         continue;
1766                 }
1767                 echo "Creating table \"$nt[0]\"\n";
1768                 dbsource($nt[1]);
1769         }
1770         # Add missing extension fields
1771         foreach ( $wgExtPGNewFields as $nc ) {
1772                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1773                 if (!is_null($fi)) {
1774                         echo "... column \"$nc[0].$nc[1]\" already exists\n";
1775                         continue;
1776                 }
1777                 echo "Adding column \"$nc[0].$nc[1]\"\n";
1778                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1779         }
1780         # Add missing extension indexes
1781         foreach ( $wgExtNewIndexes as $ni ) {
1782                 if (pg_index_exists($ni[0], $ni[1])) {
1783                         echo "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n";
1784                         continue;
1785                 }
1786                 echo "Creating index \"$ni[1]\" on table \"$ni[0]\"\n";
1787                 dbsource($ni[2]);
1788         }
1789
1790         # Tweak the page_title tsearch2 trigger to filter out slashes
1791         # This is create or replace, so harmless to call if not needed
1792         dbsource(archive('patch-ts2pagetitle.sql'));
1793
1794         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1795         ## in case they have the old 'default' versions
1796         if ( $numver >= 8.3 )
1797                 dbsource(archive('patch-tsearch2funcs.sql'));
1798
1799         ## Put a new row in the mediawiki_version table
1800         $wgDatabase->insert( 'mediawiki_version',
1801                 array(
1802                         'type' => 'Update',
1803                         'ctype' => 'U',
1804                         'mw_version' => $wgVersion,
1805                         'pg_version' => $version,
1806                         'sql_version' => '$LastChangedRevision$',
1807                         'sql_date' => '$LastChangedDate$',
1808                 ) );
1809         return;
1810 }