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( 'fix_ancient_imagelinks' ),
  42                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  43
  44                 // 1.4
  45                 array( 'do_image_name_unique_update' ),
  46                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  47                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  48                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  49                 // do_user_rights_update obsolete
  50                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  51                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  52                 // user_groups, patch-userlevels.sql obsolete
  53                 // do_group_update() obsolete
  54                 array( 'do_watchlist_update' ),
  55                 array( 'do_user_update' ),
  56                 // do_copy_newtalk_to_watchlist obsolete
  57
  58                 // 1.5
  59                 array( 'do_schema_restructuring' ),
  60                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  61                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  62                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  63                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  64                 array( 'do_inverse_timestamp' ),
  65                 array( 'do_text_id' ),
  66                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  67                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  68                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  69                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  70                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  71                 array( 'do_namespace_size' ),
  72                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  73                 array( 'do_pagelinks_update' ),
  74                 array( 'do_drop_img_type' ),
  75                 array( 'do_user_unique_update' ),
  76                 array( 'do_user_groups_update' ),
  77                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  78                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  79                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  80                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  81                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  82
  83                 // 1.6
  84                 array( 'do_watchlist_null' ),
  85                 // do_image_index_update obsolete
  86                 array( 'do_logging_timestamp_index' ),
  87                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  88                 array( 'do_page_random_update' ),
  89                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  90                 array( 'do_templatelinks_update' ),
  91                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  92                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  93                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  94                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  95                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  96                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  97                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  98                 array( 'do_rc_indices_update' ),
  99
 100                 // 1.9
 101                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 102                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 103                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 104                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 105                 array( 'do_backlinking_indices_update' ),
 106                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 107                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 108
 109                 // 1.10
 110                 array( 'do_restrictions_update' ),
 111                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 112                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 113                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 114                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 115                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 116                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 117                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 118                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 119                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 120                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 121
 122                 // 1.11
 123                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 124                 array( 'do_categorylinks_indices_update' ),
 125                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 126                 array( 'do_archive_user_index' ),
 127                 array( 'do_image_user_index' ),
 128                 array( 'do_oldimage_user_index' ),
 129                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 130                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 131
 132                 // 1.12
 133                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 134
 135                 // 1.13
 136                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 137                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 138                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 139                 array( 'add_table', 'category',                          'patch-category.sql' ),
 140                 array( 'do_category_population' ),
 141                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 142                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 143                 array( 'do_populate_parent_id' ),
 144                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 145                 array( 'maybe_do_profiling_memory_update' ),
 146                 array( 'do_filearchive_indices_update' ),
 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                 // 1.15
 155                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 156                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 157                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 158
 159                 // 1.16
 160                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 161                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 162                 array( 'do_log_search_population' ),
 163                 array( 'add_field', 'logging',       'log_user_text',  'patch-log_user_text.sql' ),
 164         ),
 165
 166         'sqlite' => array(
 167                 // 1.14
 168                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 169                 array( 'do_active_users_init' ),
 170                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 171                 array( 'sqlite_initial_indexes' ),
 172
 173                 // 1.15
 174                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 175                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 176                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 177
 178                 // 1.16
 179                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 180                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 181                 array( 'do_log_search_population' ),
 182                 array( 'add_field', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
 183         ),
 184 );
 185
 186
 187 # For extensions only, should be populated via hooks
 188 # $wgDBtype should be checked to specifiy the proper file
 189 $wgExtNewTables = array(); // table, dir
 190 $wgExtNewFields = array(); // table, column, dir
 191 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 192 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 193 $wgExtNewIndexes = array(); // table, index, dir
 194
 195 # Helper function: check if the given key is present in the updatelog table.
 196 # Obviously, only use this for updates that occur after the updatelog table was
 197 # created!
 198 function update_row_exists( $key ) {
 199         $dbr = wfGetDB( DB_SLAVE );
 200         $row = $dbr->selectRow(
 201                 'updatelog',
 202                 '1',
 203                 array( 'ul_key' => $key ),
 204                 __FUNCTION__
 205         );
 206         return (bool)$row;
 207 }
 208
 209 function rename_table( $from, $to, $patch ) {
 210         global $wgDatabase;
 211         if ( $wgDatabase->tableExists( $from ) ) {
 212                 if ( $wgDatabase->tableExists( $to ) ) {
 213                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 214                 } else {
 215                         wfOut( "Moving table $from to $to..." );
 216                         dbsource( archive($patch), $wgDatabase );
 217                         wfOut( "ok\n" );
 218                 }
 219         } else {
 220                 // Source table does not exist
 221                 // Renames are done before creations, so this is typical for a new installation
 222                 // Ignore silently
 223         }
 224 }
 225
 226 function add_table( $name, $patch, $fullpath=false ) {
 227         global $wgDatabase;
 228         if ( $wgDatabase->tableExists( $name ) ) {
 229                 wfOut( "...$name table already exists.\n" );
 230         } else {
 231                 wfOut( "Creating $name table..." );
 232                 if( $fullpath ) {
 233                         dbsource( $patch, $wgDatabase );
 234                 } else {
 235                         dbsource( archive($patch), $wgDatabase );
 236                 }
 237                 wfOut( "ok\n" );
 238         }
 239 }
 240
 241 function add_field( $table, $field, $patch, $fullpath=false ) {
 242         global $wgDatabase;
 243         if ( !$wgDatabase->tableExists( $table ) ) {
 244                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 245         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 246                 wfOut( "...have $field field in $table table.\n" );
 247         } else {
 248                 wfOut( "Adding $field field to table $table..." );
 249                 if( $fullpath ) {
 250                         dbsource( $patch, $wgDatabase );
 251                 } else {
 252                         dbsource( archive($patch), $wgDatabase );
 253                 }
 254                 wfOut( "ok\n" );
 255         }
 256 }
 257
 258 function add_index( $table, $index, $patch, $fullpath=false ) {
 259         global $wgDatabase;
 260         if( $wgDatabase->indexExists( $table, $index ) ) {
 261                 wfOut( "...$index key already set on $table table.\n" );
 262         } else {
 263                 wfOut( "Adding $index key to table $table... " );
 264                 if( $fullpath ) {
 265                         dbsource( $patch, $wgDatabase );
 266                 } else {
 267                         dbsource( archive($patch), $wgDatabase );
 268                 }
 269                 wfOut( "ok\n" );
 270         }
 271 }
 272
 273 function do_interwiki_update() {
 274         # Check that interwiki table exists; if it doesn't source it
 275         global $wgDatabase, $IP;
 276         if( $wgDatabase->tableExists( "interwiki" ) ) {
 277                 wfOut( "...already have interwiki table\n" );
 278                 return true;
 279         }
 280         wfOut( "Creating interwiki table: " );
 281         dbsource( archive("patch-interwiki.sql") );
 282         wfOut( "ok\n" );
 283         wfOut( "Adding default interwiki definitions: " );
 284         dbsource( "$IP/maintenance/interwiki.sql" );
 285         wfOut( "ok\n" );
 286 }
 287
 288 function do_index_update() {
 289         # Check that proper indexes are in place
 290         global $wgDatabase;
 291         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 292         if( !$meta->isMultipleKey() ) {
 293                 wfOut( "Updating indexes to 20031107: " );
 294                 dbsource( archive("patch-indexes.sql") );
 295                 wfOut( "ok\n" );
 296                 return true;
 297         }
 298         wfOut( "...indexes seem up to 20031107 standards\n" );
 299         return false;
 300 }
 301
 302 function do_image_index_update() {
 303         global $wgDatabase;
 304
 305         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 306         if( !$meta->isMultipleKey() ) {
 307                 wfOut( "Updating indexes to 20050912: " );
 308                 dbsource( archive("patch-mimesearch-indexes.sql") );
 309                 wfOut( "ok\n" );
 310                 return true;
 311         }
 312         wfOut( "...indexes seem up to 20050912 standards\n" );
 313         return false;
 314 }
 315
 316 function do_image_name_unique_update() {
 317         global $wgDatabase;
 318         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 319                 wfOut( "...image primary key already set.\n" );
 320         } else {
 321                 wfOut( "Making img_name the primary key... " );
 322                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 323                 wfOut( "ok\n" );
 324         }
 325 }
 326
 327 function do_logging_timestamp_index() {
 328         global $wgDatabase;
 329         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 330                 wfOut( "...timestamp key on logging already exists.\n" );
 331         } else {
 332                 wfOut( "Adding timestamp key on logging table... " );
 333                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 334                 wfOut( "ok\n" );
 335         }
 336 }
 337
 338 function do_archive_user_index() {
 339         global $wgDatabase;
 340         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 341                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 342         } else {
 343                 wfOut( "Adding usertext,timestamp key on archive table... " );
 344                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 345                 wfOut( "ok\n" );
 346         }
 347 }
 348
 349 function do_image_user_index() {
 350         global $wgDatabase;
 351         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 352                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 353         } else {
 354                 wfOut( "Adding usertext,timestamp key on image table... " );
 355                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 356                 wfOut( "ok\n" );
 357         }
 358 }
 359
 360 function do_oldimage_user_index() {
 361         global $wgDatabase;
 362         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 363                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 364         } else {
 365                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 366                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 367                 wfOut( "ok\n" );
 368         }
 369 }
 370
 371 function do_watchlist_update() {
 372         global $wgDatabase;
 373         $fname = 'do_watchlist_update';
 374         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 375                 wfOut( "The watchlist table is already set up for email notification.\n" );
 376         } else {
 377                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 378                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 379                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 380                 wfOut( "ok\n" );
 381         }
 382         # Check if we need to add talk page rows to the watchlist
 383         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 384         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 385         if ( $talk != $nontalk ) {
 386                 wfOut( "Adding missing watchlist talk page rows... " );
 387                 flush();
 388
 389                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 390                         array(
 391                                 'wl_user' => 'wl_user',
 392                                 'wl_namespace' => 'wl_namespace | 1',
 393                                 'wl_title' => 'wl_title',
 394                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 395                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 396                 wfOut( "ok\n" );
 397         } else {
 398                 wfOut( "...watchlist talk page rows already present\n" );
 399         }
 400 }
 401
 402 function do_copy_newtalk_to_watchlist() {
 403         global $wgDatabase;
 404         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 405
 406         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 407                 $wgDatabase->tableName( 'user_newtalk' ) );
 408         $num_newtalks=$wgDatabase->numRows($res);
 409         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 410
 411         $user = new User();
 412         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 413                 $wluser = $wgDatabase->fetchObject( $res );
 414                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 415                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 416                                 $wgDatabase->replace( 'watchlist',
 417                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 418                                           array('wl_user'                       => 0,
 419                                                 'wl_namespace'                  => NS_USER_TALK,
 420                                                 'wl_title'                      => $wluser->user_ip,
 421                                                 'wl_notificationtimestamp'      => '19700101000000'
 422                                                 ), 'updaters.inc::do_watchlist_update2'
 423                                         );
 424                         }
 425                 } else { # normal users ... have user_ids
 426                         $user->setID($wluser->user_id);
 427                         $wgDatabase->replace( 'watchlist',
 428                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 429                                   array('wl_user'                       => $user->getID(),
 430                                         'wl_namespace'                  => NS_USER_TALK,
 431                                         'wl_title'                      => $user->getName(),
 432                                         'wl_notificationtimestamp'      => '19700101000000'
 433                                         ), 'updaters.inc::do_watchlist_update3'
 434                                 );
 435                 }
 436         }
 437         wfOut( "Done.\n" );
 438 }
 439
 440
 441 function do_user_update() {
 442         global $wgDatabase;
 443         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 444                 wfOut( "User table contains old email authentication field. Dropping... " );
 445                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 446                 wfOut( "ok\n" );
 447         } else {
 448                 wfOut( "...user table does not contain old email authentication field.\n" );
 449         }
 450 }
 451
 452 /**
 453  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 454  * which causes a collation mismatch error on joins in MySQL 4.1.
 455  */
 456 function check_bin( $table, $field, $patchFile ) {
 457         global $wgDatabase, $wgDBtype;
 458         if ($wgDBtype != 'mysql')
 459                 return;
 460         $tableName = $wgDatabase->tableName( $table );
 461         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 462         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 463         $wgDatabase->freeResult( $res );
 464
 465         if( in_array( 'binary', $flags ) ) {
 466                 wfOut( "$table table has correct $field encoding.\n" );
 467         } else {
 468                 wfOut( "Fixing $field encoding on $table table... " );
 469                 dbsource( archive( $patchFile ), $wgDatabase );
 470                 wfOut( "ok\n" );
 471         }
 472 }
 473
 474 function do_schema_restructuring() {
 475         global $wgDatabase;
 476         $fname="do_schema_restructuring";
 477         if ( $wgDatabase->tableExists( 'page' ) ) {
 478                 wfOut( "...page table already exists.\n" );
 479         } else {
 480                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 481                 wfOut( wfTimestamp( TS_DB ) );
 482                 wfOut( "......checking for duplicate entries.\n" );
 483
 484                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 485
 486                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 487                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 488
 489                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 490                         wfOut( wfTimestamp( TS_DB ) );
 491                         wfOut( "......<b>Found duplicate entries</b>\n" );
 492                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 493                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 494                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 495                                         $duplicate[$row->cur_namespace] = array();
 496                                 }
 497                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 498                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 499                         }
 500                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 501                         $firstCond = true;
 502                         foreach ( $duplicate as $ns => $titles ) {
 503                                 if ( $firstCond ) {
 504                                         $firstCond = false;
 505                                 } else {
 506                                         $sql .= ' OR ';
 507                                 }
 508                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 509                                 $first = true;
 510                                 foreach ( $titles as $t ) {
 511                                         if ( $first ) {
 512                                                 $sql .= $wgDatabase->addQuotes( $t );
 513                                                 $first = false;
 514                                         } else {
 515                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 516                                         }
 517                                 }
 518                                 $sql .= ") ) \n";
 519                         }
 520                         # By sorting descending, the most recent entry will be the first in the list.
 521                         # All following entries will be deleted by the next while-loop.
 522                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 523
 524                         $rows = $wgDatabase->query( $sql, $fname );
 525
 526                         $prev_title = $prev_namespace = false;
 527                         $deleteId = array();
 528
 529                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 530                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 531                                         $deleteId[] = $row->cur_id;
 532                                 }
 533                                 $prev_title     = $row->cur_title;
 534                                 $prev_namespace = $row->cur_namespace;
 535                         }
 536                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 537                         $rows = $wgDatabase->query( $sql, $fname );
 538                         wfOut( wfTimestamp( TS_DB ) );
 539                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 540                 }
 541
 542
 543                 wfOut( wfTimestamp( TS_DB ) );
 544                 wfOut( "......Creating tables.\n" );
 545                 $wgDatabase->query("CREATE TABLE $page (
 546                         page_id int(8) unsigned NOT NULL auto_increment,
 547                         page_namespace int NOT NULL,
 548                         page_title varchar(255) binary NOT NULL,
 549                         page_restrictions tinyblob NOT NULL,
 550                         page_counter bigint(20) unsigned NOT NULL default '0',
 551                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 552                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 553                         page_random real unsigned NOT NULL,
 554                         page_touched char(14) binary NOT NULL default '',
 555                         page_latest int(8) unsigned NOT NULL,
 556                         page_len int(8) unsigned NOT NULL,
 557
 558                         PRIMARY KEY page_id (page_id),
 559                         UNIQUE INDEX name_title (page_namespace,page_title),
 560                         INDEX (page_random),
 561                         INDEX (page_len)
 562                         ) ENGINE=InnoDB", $fname );
 563                 $wgDatabase->query("CREATE TABLE $revision (
 564                         rev_id int(8) unsigned NOT NULL auto_increment,
 565                         rev_page int(8) unsigned NOT NULL,
 566                         rev_comment tinyblob NOT NULL,
 567                         rev_user int(5) unsigned NOT NULL default '0',
 568                         rev_user_text varchar(255) binary NOT NULL default '',
 569                         rev_timestamp char(14) binary NOT NULL default '',
 570                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 571                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 572                         rev_len int(8) unsigned,
 573                         rev_parent_id int(8) unsigned default NULL,
 574                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 575                         UNIQUE INDEX rev_id (rev_id),
 576                         INDEX rev_timestamp (rev_timestamp),
 577                         INDEX page_timestamp (rev_page,rev_timestamp),
 578                         INDEX user_timestamp (rev_user,rev_timestamp),
 579                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 580                         ) ENGINE=InnoDB", $fname );
 581
 582                 wfOut( wfTimestamp( TS_DB ) );
 583                 wfOut( "......Locking tables.\n" );
 584                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 585
 586                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 587                 wfOut( wfTimestamp( TS_DB ) );
 588                 wfOut( "......maxold is {$maxold}\n" );
 589
 590                 wfOut( wfTimestamp( TS_DB ) );
 591                 global $wgLegacySchemaConversion;
 592                 if( $wgLegacySchemaConversion ) {
 593                         // Create HistoryBlobCurStub entries.
 594                         // Text will be pulled from the leftover 'cur' table at runtime.
 595                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 596                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 597                         $cur_flags = "'object'";
 598                 } else {
 599                         // Copy all cur text in immediately: this may take longer but avoids
 600                         // having to keep an extra table around.
 601                         wfOut( "......Moving text from cur.\n" );
 602                         $cur_text = 'cur_text';
 603                         $cur_flags = "''";
 604                 }
 605                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 606                                 old_timestamp, old_minor_edit, old_flags)
 607                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 608                         FROM $cur", $fname );
 609
 610                 wfOut( wfTimestamp( TS_DB ) );
 611                 wfOut( "......Setting up revision table.\n" );
 612                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 613                                 rev_minor_edit)
 614                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 615                                 old_timestamp, old_minor_edit
 616                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 617
 618                 wfOut( wfTimestamp( TS_DB ) );
 619                 wfOut( "......Setting up page table.\n" );
 620                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 621                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 622                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 623                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 624                         FROM $cur,$revision
 625                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 626
 627                 wfOut( wfTimestamp( TS_DB ) );
 628                 wfOut( "......Unlocking tables.\n" );
 629                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 630
 631                 wfOut( wfTimestamp( TS_DB ) );
 632                 wfOut( "......Renaming old.\n" );
 633                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 634
 635                 wfOut( wfTimestamp( TS_DB ) );
 636                 wfOut( "...done.\n" );
 637         }
 638 }
 639
 640 function do_inverse_timestamp() {
 641         global $wgDatabase;
 642         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 643                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 644                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 645                 wfOut( "ok\n" );
 646         } else {
 647                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 648         }
 649 }
 650
 651 function do_text_id() {
 652         global $wgDatabase;
 653         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 654                 wfOut( "...rev_text_id already in place.\n" );
 655         } else {
 656                 wfOut( "Adding rev_text_id field... " );
 657                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 658                 wfOut( "ok\n" );
 659         }
 660 }
 661
 662 function do_namespace_size() {
 663         $tables = array(
 664                 'page'          => 'page',
 665                 'archive'       => 'ar',
 666                 'recentchanges' => 'rc',
 667                 'watchlist'     => 'wl',
 668                 'querycache'    => 'qc',
 669                 'logging'       => 'log',
 670         );
 671         foreach( $tables as $table => $prefix ) {
 672                 do_namespace_size_on( $table, $prefix );
 673                 flush();
 674         }
 675 }
 676
 677 function do_namespace_size_on( $table, $prefix ) {
 678         global $wgDatabase, $wgDBtype;
 679         if ($wgDBtype != 'mysql')
 680                 return;
 681         $field = $prefix . '_namespace';
 682
 683         $tablename = $wgDatabase->tableName( $table );
 684         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 685         $info = $wgDatabase->fetchObject( $result );
 686         $wgDatabase->freeResult( $result );
 687
 688         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 689                 wfOut( "...$field is already a full int ($info->Type).\n" );
 690         } else {
 691                 wfOut( "Promoting $field from $info->Type to int... " );
 692
 693                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 694                 $wgDatabase->query( $sql );
 695
 696                 wfOut( "ok\n" );
 697         }
 698 }
 699
 700 function do_pagelinks_update() {
 701         global $wgDatabase;
 702         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 703                 wfOut( "...already have pagelinks table.\n" );
 704         } else {
 705                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 706                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 707                 wfOut( "ok\n" );
 708                 flush();
 709
 710                 global $wgCanonicalNamespaceNames;
 711                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 712                         if( $ns != 0 ) {
 713                                 do_pagelinks_namespace( $ns );
 714                         }
 715                 }
 716         }
 717 }
 718
 719 function do_pagelinks_namespace( $namespace ) {
 720         global $wgDatabase, $wgContLang;
 721
 722         $ns = intval( $namespace );
 723         wfOut( "Cleaning up broken links for namespace $ns... " );
 724
 725         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 726         $name = $wgContLang->getNsText( $ns );
 727         $prefix = $wgDatabase->strencode( $name );
 728         $likeprefix = str_replace( '_', '\\_', $prefix);
 729
 730         $sql = "UPDATE $pagelinks
 731                    SET pl_namespace=$ns,
 732                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 733                  WHERE pl_namespace=0
 734                    AND pl_title LIKE '$likeprefix:%'";
 735
 736         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 737         wfOut( "ok\n" );
 738 }
 739
 740 function do_drop_img_type() {
 741         global $wgDatabase;
 742
 743         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 744                 wfOut( "Dropping unused img_type field in image table... " );
 745                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 746                 wfOut( "ok\n" );
 747         } else {
 748                 wfOut( "No img_type field in image table; Good.\n" );
 749         }
 750 }
 751
 752 function do_old_links_update() {
 753         global $wgDatabase;
 754         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 755                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 756         } else {
 757                 convertLinks(); flush();
 758         }
 759 }
 760
 761 function fix_ancient_imagelinks() {
 762         global $wgDatabase;
 763         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 764         if ( $info && $info->type() === 'string' ) {
 765                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 766                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 767                 dbsource( archive( 'patch-fix-il_from.sql' ) );
 768                 wfOut( "ok\n" );
 769         } else {
 770                 wfOut( "...il_from OK\n" );
 771         }
 772 }
 773
 774 function do_user_unique_update() {
 775         global $wgDatabase;
 776         $duper = new UserDupes( $wgDatabase );
 777         if( $duper->hasUniqueIndex() ) {
 778                 wfOut( "Already have unique user_name index.\n" );
 779         } else {
 780                 if( !$duper->clearDupes() ) {
 781                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 782                 }
 783                 wfOut( "Adding unique index on user_name... " );
 784                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 785                 wfOut( "ok\n" );
 786         }
 787 }
 788
 789 function do_user_groups_update() {
 790         $fname = 'do_user_groups_update';
 791         global $wgDatabase;
 792
 793         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 794                 wfOut( "...user_groups table already exists.\n" );
 795                 return do_user_groups_reformat();
 796         }
 797
 798         wfOut( "Adding user_groups table... " );
 799         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 800         wfOut( "ok\n" );
 801
 802         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 803                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 804                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 805                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 806                         wfOut( "ok\n" );
 807                 } else {
 808                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 809                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 810                         wfOut( "*** the user_groups table.\n" );
 811                         return;
 812                 }
 813         }
 814
 815         wfOut( "Converting user_rights table to user_groups... " );
 816         $result = $wgDatabase->select( 'user_rights',
 817                 array( 'ur_user', 'ur_rights' ),
 818                 array( "ur_rights != ''" ),
 819                 $fname );
 820
 821         while( $row = $wgDatabase->fetchObject( $result ) ) {
 822                 $groups = array_unique(
 823                         array_map( 'trim',
 824                                 explode( ',', $row->ur_rights ) ) );
 825
 826                 foreach( $groups as $group ) {
 827                         $wgDatabase->insert( 'user_groups',
 828                                 array(
 829                                         'ug_user'  => $row->ur_user,
 830                                         'ug_group' => $group ),
 831                                 $fname );
 832                 }
 833         }
 834         $wgDatabase->freeResult( $result );
 835         wfOut( "ok\n" );
 836 }
 837
 838 function do_user_groups_reformat() {
 839         # Check for bogus formats from previous 1.5 alpha code.
 840         global $wgDatabase;
 841         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 842
 843         if( $info->type() == 'int' ) {
 844                 $oldug = $wgDatabase->tableName( 'user_groups' );
 845                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 846                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 847                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 848                 wfOut( "ok\n" );
 849
 850                 wfOut( "Re-adding fresh user_groups table... " );
 851                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 852                 wfOut( "ok\n" );
 853
 854                 wfOut( "***\n" );
 855                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 856                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 857                 wfOut( "***\n" );
 858         } else {
 859                 wfOut( "...user_groups is in current format.\n" );
 860         }
 861
 862 }
 863
 864 function do_watchlist_null() {
 865         # Make sure wl_notificationtimestamp can be NULL,
 866         # and update old broken items.
 867         global $wgDatabase;
 868         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 869
 870         if( !$info->nullable() ) {
 871                 wfOut( "Making wl_notificationtimestamp nullable... " );
 872                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 873                 wfOut( "ok\n" );
 874         } else {
 875                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 876         }
 877
 878 }
 879
 880 /**
 881  * @bug 3946
 882  */
 883 function do_page_random_update() {
 884         global $wgDatabase;
 885
 886         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 887
 888         $page = $wgDatabase->tableName( 'page' );
 889         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 890         $rows = $wgDatabase->affectedRows();
 891
 892         wfOut( "changed $rows rows\n" );
 893 }
 894
 895 function do_templatelinks_update() {
 896         global $wgDatabase, $wgLoadBalancer;
 897         $fname = 'do_templatelinks_update';
 898
 899         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 900                 wfOut( "...templatelinks table already exists\n" );
 901                 return;
 902         }
 903         wfOut( "Creating templatelinks table...\n" );
 904         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 905         wfOut( "Populating...\n" );
 906         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 907                 // Slow, replication-friendly update
 908                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 909                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 910                 $count = 0;
 911                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 912                         $count = ($count + 1) % 100;
 913                         if ( $count == 0 ) {
 914                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 915                                         wfWaitForSlaves( 10 );
 916                                 } else {
 917                                         sleep( 1 );
 918                                 }
 919                         }
 920                         $wgDatabase->insert( 'templatelinks',
 921                                 array(
 922                                         'tl_from' => $row->pl_from,
 923                                         'tl_namespace' => $row->pl_namespace,
 924                                         'tl_title' => $row->pl_title,
 925                                 ), $fname
 926                         );
 927
 928                 }
 929                 $wgDatabase->freeResult( $res );
 930         } else {
 931                 // Fast update
 932                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 933                         array(
 934                                 'tl_from' => 'pl_from',
 935                                 'tl_namespace' => 'pl_namespace',
 936                                 'tl_title' => 'pl_title'
 937                         ), array(
 938                                 'pl_namespace' => 10
 939                         ), $fname
 940                 );
 941         }
 942         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 943 }
 944
 945 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 946 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 947 function do_rc_indices_update() {
 948         global $wgDatabase;
 949         wfOut( "Checking for additional recent changes indices...\n" );
 950
 951         $indexes = array(
 952                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 953                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 954         );
 955
 956         foreach( $indexes as $index => $patch ) {
 957                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 958                 if( !$info ) {
 959                         wfOut( "...index `{$index}` not found; adding..." );
 960                         dbsource( archive( $patch ) );
 961                         wfOut( "done.\n" );
 962                 } else {
 963                         wfOut( "...index `{$index}` seems ok.\n" );
 964                 }
 965         }
 966 }
 967
 968 function index_has_field($table, $index, $field) {
 969         global $wgDatabase;
 970         wfOut( "Checking if $table index $index includes field $field...\n" );
 971         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 972         if( $info ) {
 973                 foreach($info as $row) {
 974                         if($row->Column_name == $field) {
 975                                 wfOut( "...index $index on table $table seems to be ok\n" );
 976                                 return true;
 977                         }
 978                 }
 979         }
 980         wfOut( "...index $index on table $table has no field $field; adding\n" );
 981         return false;
 982 }
 983
 984 function do_backlinking_indices_update() {
 985         wfOut( "Checking for backlinking indices...\n" );
 986         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 987                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 988                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 989         {
 990                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 991                 wfOut( "...backlinking indices updated\n" );
 992         }
 993 }
 994
 995 function do_categorylinks_indices_update() {
 996         wfOut( "Checking for categorylinks indices...\n" );
 997         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 998         {
 999                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
1000                 wfOut( "...categorylinks indices updated\n" );
1001         }
1002 }
1003
1004 function do_filearchive_indices_update() {
1005         global $wgDatabase;
1006         wfOut( "Checking filearchive indices...\n" );
1007         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1008         if ( !$info )
1009         {
1010                 dbsource( archive( 'patch-filearchive-user-index.sql' ) );
1011                 wfOut( "...filearchive indices updated\n" );
1012         }
1013 }
1014
1015 function maybe_do_profiling_memory_update() {
1016         global $wgDatabase;
1017         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1018                 // Simply ignore
1019         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1020                 wfOut( "profiling table has pf_memory field.\n" );
1021         } else {
1022                 wfOut( "Adding pf_memory field to table profiling..." );
1023                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1024                 wfOut( "ok\n" );
1025         }
1026 }
1027
1028 function do_stats_init() {
1029         // Sometimes site_stats table is not properly populated.
1030         global $wgDatabase;
1031         wfOut( "Checking site_stats row..." );
1032         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1033         if( $row === false ) {
1034                 wfOut( "data is missing! rebuilding...\n" );
1035         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1036                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1037         } else {
1038                 wfOut( "ok.\n" );
1039                 return;
1040         }
1041
1042         global $IP;
1043         require_once "$IP/maintenance/initStats.inc";
1044         wfInitStats();
1045 }
1046
1047 function do_active_users_init() {
1048         global $wgDatabase;
1049         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1050         if( $activeUsers == -1 ) {
1051                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1052                         'COUNT( DISTINCT rc_user_text )',
1053                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1054                 );
1055                 $wgDatabase->update( 'site_stats',
1056                         array( 'ss_active_users' => intval($activeUsers) ),
1057                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1058                 );
1059         }
1060         wfOut( "...ss_active_users user count set...\n" );
1061 }
1062
1063 function purge_cache() {
1064         global $wgDatabase;
1065         # We can't guarantee that the user will be able to use TRUNCATE,
1066         # but we know that DELETE is available to us
1067         wfOut( "Purging caches..." );
1068         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1069         wfOut( "done.\n" );
1070 }
1071
1072 function do_all_updates( $shared = false, $purge = true ) {
1073         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1074
1075         wfRunHooks('LoadExtensionSchemaUpdates');
1076
1077         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1078
1079         if ($wgDBtype === 'postgres') {
1080                 do_postgres_updates();
1081                 return;
1082         }
1083
1084         # Run core updates in sequence...
1085         global $wgUpdates;
1086         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1087                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1088                         $func = array_shift( $params );
1089                         call_user_func_array( $func, $params );
1090                         flush();
1091                 }
1092         }
1093
1094         /// @fixme clean up this mess too!
1095         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1096         # Add missing extension tables
1097         foreach ( $wgExtNewTables as $tableRecord ) {
1098                 add_table( $tableRecord[0], $tableRecord[1], true );
1099                 flush();
1100         }
1101         # Add missing extension fields
1102         foreach ( $wgExtNewFields as $fieldRecord ) {
1103                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1104                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1105                 }
1106                 flush();
1107         }
1108         # Add missing extension indexes
1109         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1110                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1111                 flush();
1112         }
1113
1114
1115         wfOut( "Deleting old default messages (this may take a long time!)..." );
1116         deleteDefaultMessages();
1117         wfOut( "Done\n" );
1118
1119         do_stats_init();
1120
1121         if( $purge ) {
1122                 purge_cache();
1123         }
1124 }
1125
1126 function archive($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( $name ) ) {
1147                 wfOut( "...$name table already exists.\n" );
1148         } else {
1149                 wfOut( "Creating $name table..." );
1150                 dbsource( archive($patch), $wgDatabase );
1151                 dbsource( archive($patch2), $wgDatabase );
1152                 wfOut( "ok\n" );
1153
1154                 wfOut( "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                 wfOut( "ok\n" );
1207         }
1208 }
1209
1210 function do_category_population() {
1211         if( update_row_exists( 'populate category' ) ) {
1212                 wfOut( "...category table already populated.\n" );
1213                 return;
1214         }
1215         require_once( 'populateCategory.inc' );
1216         wfOut( "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         wfOut( "Done populating category table.\n" );
1222 }
1223
1224 function do_populate_parent_id() {
1225         if( update_row_exists( 'populate rev_parent_id' ) ) {
1226                 wfOut( "...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 sqlite_initial_indexes() {
1236         global $wgDatabase;
1237         if ( update_row_exists( 'initial_indexes' ) ) {
1238                 wfOut( "...have initial indexes\n" );
1239                 return;
1240         }
1241         wfOut( "Adding initial indexes..." );
1242         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1243         wfOut( "done\n" );
1244 }
1245
1246 function do_unique_pl_tl_il() {
1247         global $wgDatabase;
1248         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1249         if( is_array($info) && !$info[0]->Non_unique ) {
1250                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1251         } else {
1252                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1253                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1254                 wfOut( "ok\n" );
1255         }
1256 }
1257
1258 function do_log_search_population() {
1259         global $wgDatabase;
1260         if( update_row_exists( 'populate log_search' ) ) {
1261                 wfOut( "...log_search table already populated.\n" );
1262                 return;
1263         }
1264         require_once( 'populateLogSearch.inc' );
1265         wfOut(
1266 "Populating log_search table, printing progress markers. For large\n" .
1267 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1268 "maintenance/populateLogSearch.php.\n" );
1269         migrate_log_params( $wgDatabase );
1270         wfOut( "Done populating log_search table.\n" );
1271 }
1272
1273 /***********************************************************************
1274  * Start PG crap
1275  * TODO: merge with above
1276  ***********************************************************************/
1277
1278 function
1279 pg_describe_table($table)
1280 {
1281 global  $wgDatabase, $wgDBmwschema;
1282         $q = <<<END
1283 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1284         WHERE pg_class.relnamespace = pg_namespace.oid
1285           AND attrelid=pg_class.oid AND attnum > 0
1286           AND relname=%s AND nspname=%s
1287 END;
1288         $res = $wgDatabase->query(sprintf($q,
1289                         $wgDatabase->addQuotes($table),
1290                         $wgDatabase->addQuotes($wgDBmwschema)));
1291         if (!$res)
1292                 return null;
1293
1294         $cols = array();
1295         while ($r = $wgDatabase->fetchRow($res)) {
1296                 $cols[] = array(
1297                                 "name" => $r[0],
1298                                 "ord" => $r[1],
1299                         );
1300         }
1301         return $cols;
1302 }
1303
1304 function
1305 pg_describe_index($idx)
1306 {
1307 global  $wgDatabase, $wgDBmwschema;
1308
1309         // first fetch the key (which is a list of columns ords) and
1310         // the table the index applies to (an oid)
1311         $q = <<<END
1312 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1313         WHERE nspname=%s
1314           AND pg_class.relnamespace = pg_namespace.oid
1315           AND relname=%s
1316           AND indexrelid=pg_class.oid
1317 END;
1318         $res = $wgDatabase->query(sprintf($q,
1319                         $wgDatabase->addQuotes($wgDBmwschema),
1320                         $wgDatabase->addQuotes($idx)));
1321         if (!$res)
1322                 return null;
1323         if (!($r = $wgDatabase->fetchRow($res))) {
1324                 $wgDatabase->freeResult($res);
1325                 return null;
1326         }
1327
1328         $indkey = $r[0];
1329         $relid = intval($r[1]);
1330         $indkeys = explode(" ", $indkey);
1331         $wgDatabase->freeResult($res);
1332
1333         $colnames = array();
1334         foreach ($indkeys as $rid) {
1335                 $query = <<<END
1336 SELECT attname FROM pg_class, pg_attribute
1337         WHERE attrelid=$relid
1338           AND attnum=%d
1339           AND attrelid=pg_class.oid
1340 END;
1341                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1342                 if (!$r2)
1343                         return null;
1344                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1345                         $wgDatabase->freeResult($r2);
1346                         return null;
1347                 }
1348                 $colnames[] = $row2[0];
1349                 $wgDatabase->freeResult($r2);
1350         }
1351
1352         return $colnames;
1353 }
1354
1355 function
1356 pg_index_exists($table, $index)
1357 {
1358 global  $wgDatabase, $wgDBmwschema;
1359         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1360                         array(  "indexname" => $index,
1361                                 "tablename" => $table,
1362                                 "schemaname" => $wgDBmwschema));
1363         return $exists === $index;
1364 }
1365
1366 function
1367 pg_fkey_deltype($fkey)
1368 {
1369 global  $wgDatabase, $wgDBmwschema;
1370         $q = <<<END
1371 SELECT confdeltype FROM pg_constraint, pg_namespace
1372         WHERE connamespace=pg_namespace.oid
1373           AND nspname=%s
1374           AND conname=%s;
1375 END;
1376         $r = $wgDatabase->query(sprintf($q,
1377                 $wgDatabase->addQuotes($wgDBmwschema),
1378                 $wgDatabase->addQuotes($fkey)));
1379         if (!($row = $wgDatabase->fetchRow($r)))
1380                 return null;
1381         return $row[0];
1382 }
1383
1384 function
1385 pg_rule_def($table, $rule)
1386 {
1387 global  $wgDatabase, $wgDBmwschema;
1388         $q = <<<END
1389 SELECT definition FROM pg_rules
1390         WHERE schemaname = %s
1391           AND tablename = %s
1392           AND rulename = %s
1393 END;
1394         $r = $wgDatabase->query(sprintf($q,
1395                         $wgDatabase->addQuotes($wgDBmwschema),
1396                         $wgDatabase->addQuotes($table),
1397                         $wgDatabase->addQuotes($rule)));
1398         $row = $wgDatabase->fetchRow($r);
1399         if (!$row)
1400                 return null;
1401         $d = $row[0];
1402         $wgDatabase->freeResult($r);
1403         return $d;
1404 }
1405
1406 function do_postgres_updates() {
1407         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1408
1409         ## Gather version numbers in case we need them
1410         $version = $wgDatabase->getServerVersion(); ## long string
1411         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1412
1413         $wgShowExceptionDetails = 1;
1414
1415         # Just in case their LocalSettings.php does not have this:
1416         if ( !isset( $wgDBmwschema ))
1417                 $wgDBmwschema = 'mediawiki';
1418
1419         # Verify that this user is configured correctly
1420         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1421         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1422         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1423         $conf = array();
1424         foreach( explode( '*', $config ) as $c ) {
1425                 list( $x,$y ) = explode( '=', $c );
1426                 $conf[$x] = $y;
1427         }
1428         if( !array_key_exists( 'search_path', $conf ) ) {
1429                 $search_path = '';
1430         }
1431         else {
1432                 $search_path = $conf['search_path'];
1433         }
1434         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1435                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1436                 $search_path = "$wgDBmwschema, $search_path";
1437         }
1438         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1439                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1440                 $search_path = "$search_path, $wgDBts2schema";
1441         }
1442         $search_path = str_replace( ', ,', ',', $search_path);
1443         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1444                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1445                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1446         }
1447         else {
1448                 $path = $conf['search_path'];
1449                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1450         }
1451         $goodconf = array(
1452                 'client_min_messages' => 'error',
1453                 'DateStyle'           => 'ISO, YMD',
1454                 'TimeZone'            => 'GMT'
1455         );
1456         foreach( array_keys( $goodconf ) AS $key ) {
1457                 $value = $goodconf[$key];
1458                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1459                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1460                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1461                         $wgDatabase->doQuery( "SET $key = '$value'" );
1462                 }
1463                 else {
1464                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1465                 }
1466         }
1467
1468         $newsequences = array(
1469                 "log_log_id_seq",
1470                 "pr_id_val",
1471         );
1472
1473         $newtables = array(
1474                 array("category",          "patch-category.sql"),
1475                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1476                 array("mwuser",            "patch-mwuser.sql"),
1477                 array("pagecontent",       "patch-pagecontent.sql"),
1478                 array("querycachetwo",     "patch-querycachetwo.sql"),
1479                 array("page_props",        "patch-page_props.sql"),
1480                 array("page_restrictions", "patch-page_restrictions.sql"),
1481                 array("profiling",         "patch-profiling.sql"),
1482                 array("protected_titles",  "patch-protected_titles.sql"),
1483                 array("redirect",          "patch-redirect.sql"),
1484                 array("updatelog",         "patch-updatelog.sql"),
1485                 array('change_tag',        'patch-change_tag.sql'),
1486                 array('tag_summary',       'patch-change_tag.sql'),
1487                 array('valid_tag',         'patch-change_tag.sql'),
1488                 array('user_properties',   'patch-user_properties.sql'),
1489                 array('log_search',        'patch-log_search.sql'),
1490         );
1491
1492         $newcols = array(
1493                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1494                 array("archive",       "ar_len",               "INTEGER"),
1495                 array("archive",       "ar_page_id",           "INTEGER"),
1496                 array("archive",       "ar_parent_id",         "INTEGER"),
1497                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1498                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1499                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1500                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1501                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1502                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1503                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1504                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1505                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1506                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1507                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1508                 array("logging",       "log_params",           "TEXT"),
1509                 array("mwuser",        "user_editcount",       "INTEGER"),
1510                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1511                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1512                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1513                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1514                 array("oldimage",      "oi_media_type",        "TEXT"),
1515                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1516                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1517                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1518                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1519                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1520                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1521                 array("recentchanges", "rc_log_action",        "TEXT"),
1522         array("recentchanges", "rc_log_type",          "TEXT"),
1523         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1524                 array("recentchanges", "rc_new_len",           "INTEGER"),
1525                 array("recentchanges", "rc_old_len",           "INTEGER"),
1526                 array("recentchanges", "rc_params",            "TEXT"),
1527                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1528                 array("revision",      "rev_len",              "INTEGER"),
1529                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1530                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1531                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1532         );
1533
1534
1535         # table, column, desired type, USING clause if needed (with new default if needed)
1536         $typechanges = array(
1537                 array("archive",      "ar_deleted",      "smallint", ""),
1538                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1539                 array("filearchive",  "fa_deleted",      "smallint", ""),
1540                 array("filearchive",  "fa_height",       "integer",  ""),
1541                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1542                 array("filearchive",  "fa_size",         "integer",  ""),
1543                 array("filearchive",  "fa_width",        "integer",  ""),
1544                 array("filearchive",  "fa_storage_group","text",     ""),
1545                 array("filearchive",  "fa_storage_key",  "text",     ""),
1546                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1547                 array("image",        "img_size",        "integer",  ""),
1548                 array("image",        "img_width",       "integer",  ""),
1549                 array("image",        "img_height",      "integer",  ""),
1550                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1551                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1552                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1553                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1554                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1555                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1556                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1557                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1558                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1559                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1560                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1561                 array("mwuser",       "user_token",      "text",     ""),
1562                 array("mwuser",       "user_email_token","text",     ""),
1563                 array("objectcache",  "keyname",         "text",     ""),
1564                 array("oldimage",     "oi_height",       "integer",  ""),
1565                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1566                 array("oldimage",     "oi_size",         "integer",  ""),
1567                 array("oldimage",     "oi_width",        "integer",  ""),
1568                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1569                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1570                 array("querycache",   "qc_value",        "integer",  ""),
1571                 array("querycachetwo","qcc_value",       "integer",  ""),
1572                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1573                 array("recentchanges","rc_deleted",      "smallint", ""),
1574                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1575                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1576                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1577                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1578                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1579                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1580                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1581                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1582         );
1583
1584         # table, column, nullability
1585         $nullchanges = array(
1586                 array("oldimage", "oi_bits",       "NULL"),
1587                 array("oldimage", "oi_timestamp",  "NULL"),
1588                 array("oldimage", "oi_major_mime", "NULL"),
1589                 array("oldimage", "oi_minor_mime", "NULL"),
1590         );
1591
1592         $newindexes = array(
1593                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1594                 array("image",         "img_sha1",           "(img_sha1)"),
1595                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1596                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1597                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1598                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1599                 array("watchlist",     "wl_user",            "(wl_user)"),
1600         );
1601
1602         $newrules = array(
1603         );
1604
1605         foreach ($newsequences as $ns) {
1606                 if ($wgDatabase->sequenceExists($ns)) {
1607                         wfOut( "... sequence \"$ns\" already exists\n" );
1608                         continue;
1609                 }
1610
1611                 wfOut( "Creating sequence \"$ns\"\n" );
1612                 $wgDatabase->query("CREATE SEQUENCE $ns");
1613         }
1614
1615         foreach ($newtables as $nt) {
1616                 if ($wgDatabase->tableExists($nt[0])) {
1617                         wfOut( "... table \"$nt[0]\" already exists\n" );
1618                         continue;
1619                 }
1620
1621                 wfOut( "Creating table \"$nt[0]\"\n" );
1622                 dbsource(archive($nt[1]));
1623         }
1624
1625         ## Needed before newcols
1626         if ($wgDatabase->tableExists("archive2")) {
1627                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1628                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1629                         wfOut( "Dropping rule \"archive_insert\"\n" );
1630                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1631                 }
1632                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1633                         wfOut( "Dropping rule \"archive_delete\"\n" );
1634                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1635                 }
1636                 dbsource(archive("patch-remove-archive2.sql"));
1637         }
1638         else
1639                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1640
1641         foreach ($newcols as $nc) {
1642                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1643                 if (!is_null($fi)) {
1644                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1645                         continue;
1646                 }
1647
1648                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1649                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1650         }
1651
1652         foreach ($typechanges as $tc) {
1653                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1654                 if (is_null($fi)) {
1655                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1656                         exit(1);
1657                 }
1658
1659                 if ($fi->type() === $tc[2])
1660                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1661                 else {
1662                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1663                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1664                         if (strlen($tc[3])) {
1665                                 $default = array();
1666                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1667                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1668                                         $wgDatabase->query($sqldef);
1669                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1670                                 }
1671                                 $sql .= " USING $tc[3]";
1672                         }
1673                         $sql .= ";\nCOMMIT;\n";
1674                         $wgDatabase->query($sql);
1675                 }
1676         }
1677
1678         foreach ($nullchanges as $nc) {
1679                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1680                 if (is_null($fi)) {
1681                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1682                         exit(1);
1683                 }
1684                 if ($fi->nullable()) {
1685                         ## It's NULL - does it need to be NOT NULL?
1686                         if ('NOT NULL' === $nc[2]) {
1687                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1688                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1689                         }
1690                         else {
1691                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1692                         }
1693                 }
1694                 else {
1695                         ## It's NOT NULL - does it need to be NULL?
1696                         if ('NULL' === $nc[2]) {
1697                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1698                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1699                         }
1700                         else {
1701                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1702                         }
1703                 }
1704         }
1705
1706         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1707                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1708                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1709                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1710                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1711         }
1712         else
1713                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1714
1715
1716         foreach ($newindexes as $ni) {
1717                 if (pg_index_exists($ni[0], $ni[1])) {
1718                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1719                         continue;
1720                 }
1721                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1722                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1723         }
1724
1725         foreach ($newrules as $nr) {
1726                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1727                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1728                         continue;
1729                 }
1730                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1731                 dbsource(archive($nr[2]));
1732         }
1733
1734         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1735                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete\n" );
1736                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1737                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1738                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1739         }
1740         else
1741                 wfOut( "... table \"oldimage\" has correct cascade delete foreign key to image\n" );
1742
1743         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1744                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1745                 dbsource(archive('patch-page_deleted.sql'));
1746         }
1747         else
1748                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1749
1750         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1751         if (!$fi->nullable()) {
1752                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1753                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1754         }
1755         else
1756                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1757
1758         $pu = pg_describe_index("pagelink_unique");
1759         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1760                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1761                 $wgDatabase->query("DROP INDEX pagelink_unique");
1762                 $pu = null;
1763         }
1764         else
1765                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1766
1767         if (is_null($pu)) {
1768                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1769                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1770         }
1771         else
1772                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1773
1774         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1775                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1776         }
1777         else {
1778                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1779                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1780         }
1781
1782         # Fix ipb_address index
1783         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1784                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1785                 $wgDatabase->query('DROP INDEX ipb_address');
1786         }
1787         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1788                 wfOut( "... have ipb_address_unique\n" );
1789         }
1790         else {
1791                 wfOut( "Adding ipb_address_unique index\n" );
1792                 dbsource(archive('patch-ipb_address_unique.sql'));
1793         }
1794
1795         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1796         # Add missing extension tables
1797         foreach ( $wgExtNewTables as $nt ) {
1798                 if ($wgDatabase->tableExists($nt[0])) {
1799                         wfOut( "... table \"$nt[0]\" already exists\n" );
1800                         continue;
1801                 }
1802                 wfOut( "Creating table \"$nt[0]\"\n" );
1803                 dbsource($nt[1]);
1804         }
1805         # Add missing extension fields
1806         foreach ( $wgExtPGNewFields as $nc ) {
1807                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1808                 if (!is_null($fi)) {
1809                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1810                         continue;
1811                 }
1812                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1813                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1814         }
1815         # Change altered columns
1816         foreach ( $wgExtPGAlteredFields as $nc ) {
1817                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1818                 if (is_null($fi)) {
1819                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1820                         continue;
1821                 }
1822                 $oldtype = $fi->type();
1823                 $newtype = strtolower( $nc[2] );
1824                 if ($oldtype === $newtype) {
1825                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1826                         continue;
1827                 }
1828                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1829                 if ( isset( $nc[3] ) ) {
1830                         $command .= " USING $nc[3]";
1831                 }
1832                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1833                 $wgDatabase->query( $command );
1834         }
1835         # Add missing extension indexes
1836         foreach ( $wgExtNewIndexes as $ni ) {
1837                 if (pg_index_exists($ni[0], $ni[1])) {
1838                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1839                         continue;
1840                 }
1841                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1842                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1843                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1844                 }
1845                 else {
1846                         dbsource($ni[2]);
1847                 }
1848         }
1849
1850         # Tweak the page_title tsearch2 trigger to filter out slashes
1851         # This is create or replace, so harmless to call if not needed
1852         dbsource(archive('patch-ts2pagetitle.sql'));
1853
1854         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1855         ## in case they have the old 'default' versions
1856         if ( $numver >= 8.3 )
1857                 dbsource(archive('patch-tsearch2funcs.sql'));
1858
1859         ## Put a new row in the mediawiki_version table
1860         $wgDatabase->insert( 'mediawiki_version',
1861                 array(
1862                         'type' => 'Update',
1863                         'ctype' => 'U',
1864                         'mw_version' => $wgVersion,
1865                         'pg_version' => $version,
1866                         'sql_version' => '$LastChangedRevision$',
1867                         'sql_date' => '$LastChangedDate$',
1868                 ) );
1869         return;
1870 }