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