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 # Extension updates
  15 require_once( "$IP/includes/Hooks.php" );
  16
  17 /**
  18  * List of update functions to call for each DB type, in sequence. First item
  19  * is function name, rest are parameters to pass.
  20  */
  21 $wgUpdates = array(
  22         'mysql' => array(
  23                 // 1.2
  24                 // update_passwords obsolete
  25                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  26                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  27                 array( 'do_interwiki_update' ),
  28                 array( 'do_index_update' ),
  29                 // do_linkscc_update obsolete
  30                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  31                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  32
  33                 // 1.3
  34                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  35                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  36                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  37                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  38                 // do_linkscc_1_3_update obsolete
  39                 array( 'do_old_links_update' ),
  40                 array( 'fix_ancient_imagelinks' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146
 147                 // 1.14
 148                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 149                 array( 'do_active_users_init' ),
 150                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 151
 152                 // 1.15
 153                 array( 'do_unique_pl_tl_il' ),
 154                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 155                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 156                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 157
 158                 // 1.16
 159                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 160                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 161                 array( 'do_log_search_population' ),
 162                 array( 'add_field', 'logging',       'log_user_text',  'patch-log_user_text.sql' ),
 163                 array( 'add_table', 'l10n_cache',              'patch-l10n_cache.sql' ),
 164                 array( 'add_table', 'external_user', 'patch-external_user.sql' ),
 165         ),
 166
 167         'sqlite' => array(
 168                 // 1.14
 169                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 170                 array( 'do_active_users_init' ),
 171                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 172                 array( 'sqlite_initial_indexes' ),
 173
 174                 // 1.15
 175                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 176                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 177                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 178
 179                 // 1.16
 180                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 181                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 182                 array( 'do_log_search_population' ),
 183                 array( 'add_field', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
 184                 array( 'add_table', 'l10n_cache',              'patch-l10n_cache.sql' ),
 185         ),
 186 );
 187
 188
 189 # For extensions only, should be populated via hooks
 190 # $wgDBtype should be checked to specifiy the proper file
 191 $wgExtNewTables = array(); // table, dir
 192 $wgExtNewFields = array(); // table, column, dir
 193 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 194 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 195 $wgExtNewIndexes = array(); // table, index, dir
 196
 197 # Helper function: check if the given key is present in the updatelog table.
 198 # Obviously, only use this for updates that occur after the updatelog table was
 199 # created!
 200 function update_row_exists( $key ) {
 201         $dbr = wfGetDB( DB_SLAVE );
 202         $row = $dbr->selectRow(
 203                 'updatelog',
 204                 '1',
 205                 array( 'ul_key' => $key ),
 206                 __FUNCTION__
 207         );
 208         return (bool)$row;
 209 }
 210
 211 function rename_table( $from, $to, $patch ) {
 212         global $wgDatabase;
 213         if ( $wgDatabase->tableExists( $from ) ) {
 214                 if ( $wgDatabase->tableExists( $to ) ) {
 215                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 216                 } else {
 217                         wfOut( "Moving table $from to $to..." );
 218                         $wgDatabase->sourceFile( archive($patch) );
 219                         wfOut( "ok\n" );
 220                 }
 221         } else {
 222                 // Source table does not exist
 223                 // Renames are done before creations, so this is typical for a new installation
 224                 // Ignore silently
 225         }
 226 }
 227
 228 function add_table( $name, $patch, $fullpath=false ) {
 229         global $wgDatabase;
 230         if ( $wgDatabase->tableExists( $name ) ) {
 231                 wfOut( "...$name table already exists.\n" );
 232         } else {
 233                 wfOut( "Creating $name table..." );
 234                 if( $fullpath ) {
 235                         $wgDatabase->sourceFile( $patch );
 236                 } else {
 237                         $wgDatabase->sourceFile( archive($patch) );
 238                 }
 239                 wfOut( "ok\n" );
 240         }
 241 }
 242
 243 function add_field( $table, $field, $patch, $fullpath=false ) {
 244         global $wgDatabase;
 245         if ( !$wgDatabase->tableExists( $table ) ) {
 246                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 247         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 248                 wfOut( "...have $field field in $table table.\n" );
 249         } else {
 250                 wfOut( "Adding $field field to table $table..." );
 251                 if( $fullpath ) {
 252                         $wgDatabase->sourceFile( $patch );
 253                 } else {
 254                         $wgDatabase->sourceFile( archive($patch) );
 255                 }
 256                 wfOut( "ok\n" );
 257         }
 258 }
 259
 260 function add_index( $table, $index, $patch, $fullpath=false ) {
 261         global $wgDatabase;
 262         if( $wgDatabase->indexExists( $table, $index ) ) {
 263                 wfOut( "...$index key already set on $table table.\n" );
 264         } else {
 265                 wfOut( "Adding $index key to table $table... " );
 266                 if( $fullpath ) {
 267                         $wgDatabase->sourceFile( $patch );
 268                 } else {
 269                         $wgDatabase->sourceFile( archive($patch) );
 270                 }
 271                 wfOut( "ok\n" );
 272         }
 273 }
 274
 275 function do_interwiki_update() {
 276         # Check that interwiki table exists; if it doesn't source it
 277         global $wgDatabase, $IP;
 278         if( $wgDatabase->tableExists( "interwiki" ) ) {
 279                 wfOut( "...already have interwiki table\n" );
 280                 return true;
 281         }
 282         wfOut( "Creating interwiki table: " );
 283         $wgDatabase->sourceFile( archive("patch-interwiki.sql") );
 284         wfOut( "ok\n" );
 285         wfOut( "Adding default interwiki definitions: " );
 286         $wgDatabase->sourceFile( "$IP/maintenance/interwiki.sql" );
 287         wfOut( "ok\n" );
 288 }
 289
 290 function do_index_update() {
 291         # Check that proper indexes are in place
 292         global $wgDatabase;
 293         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 294         if( !$meta->isMultipleKey() ) {
 295                 wfOut( "Updating indexes to 20031107: " );
 296                 $wgDatabase->sourceFile( archive("patch-indexes.sql") );
 297                 wfOut( "ok\n" );
 298                 return true;
 299         }
 300         wfOut( "...indexes seem up to 20031107 standards\n" );
 301         return false;
 302 }
 303
 304 function do_image_index_update() {
 305         global $wgDatabase;
 306
 307         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 308         if( !$meta->isMultipleKey() ) {
 309                 wfOut( "Updating indexes to 20050912: " );
 310                 $wgDatabase->sourceFile( archive("patch-mimesearch-indexes.sql") );
 311                 wfOut( "ok\n" );
 312                 return true;
 313         }
 314         wfOut( "...indexes seem up to 20050912 standards\n" );
 315         return false;
 316 }
 317
 318 function do_image_name_unique_update() {
 319         global $wgDatabase;
 320         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 321                 wfOut( "...image primary key already set.\n" );
 322         } else {
 323                 wfOut( "Making img_name the primary key... " );
 324                 $wgDatabase->sourceFile( archive("patch-image_name_primary.sql") );
 325                 wfOut( "ok\n" );
 326         }
 327 }
 328
 329 function do_logging_timestamp_index() {
 330         global $wgDatabase;
 331         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 332                 wfOut( "...timestamp key on logging already exists.\n" );
 333         } else {
 334                 wfOut( "Adding timestamp key on logging table... " );
 335                 $wgDatabase->sourceFile( archive("patch-logging-times-index.sql") );
 336                 wfOut( "ok\n" );
 337         }
 338 }
 339
 340 function do_archive_user_index() {
 341         global $wgDatabase;
 342         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 343                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 344         } else {
 345                 wfOut( "Adding usertext,timestamp key on archive table... " );
 346                 $wgDatabase->sourceFile( archive("patch-archive-user-index.sql") );
 347                 wfOut( "ok\n" );
 348         }
 349 }
 350
 351 function do_image_user_index() {
 352         global $wgDatabase;
 353         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 354                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 355         } else {
 356                 wfOut( "Adding usertext,timestamp key on image table... " );
 357                 $wgDatabase->sourceFile( archive("patch-image-user-index.sql") );
 358                 wfOut( "ok\n" );
 359         }
 360 }
 361
 362 function do_oldimage_user_index() {
 363         global $wgDatabase;
 364         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 365                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 366         } else {
 367                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 368                 $wgDatabase->sourceFile( archive("patch-oldimage-user-index.sql") );
 369                 wfOut( "ok\n" );
 370         }
 371 }
 372
 373 function do_watchlist_update() {
 374         global $wgDatabase;
 375         $fname = 'do_watchlist_update';
 376         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 377                 wfOut( "The watchlist table is already set up for email notification.\n" );
 378         } else {
 379                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 380                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 381                 $wgDatabase->sourceFile( archive( 'patch-email-notification.sql' ) );
 382                 wfOut( "ok\n" );
 383         }
 384         # Check if we need to add talk page rows to the watchlist
 385         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 386         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 387         if ( $talk != $nontalk ) {
 388                 wfOut( "Adding missing watchlist talk page rows... " );
 389                 flush();
 390
 391                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 392                         array(
 393                                 'wl_user' => 'wl_user',
 394                                 'wl_namespace' => 'wl_namespace | 1',
 395                                 'wl_title' => 'wl_title',
 396                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 397                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 398                 wfOut( "ok\n" );
 399         } else {
 400                 wfOut( "...watchlist talk page rows already present\n" );
 401         }
 402 }
 403
 404 function do_copy_newtalk_to_watchlist() {
 405         global $wgDatabase;
 406         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 407
 408         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 409                 $wgDatabase->tableName( 'user_newtalk' ) );
 410         $num_newtalks=$wgDatabase->numRows($res);
 411         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 412
 413         $user = new User();
 414         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 415                 $wluser = $wgDatabase->fetchObject( $res );
 416                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 417                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 418                                 $wgDatabase->replace( 'watchlist',
 419                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 420                                           array('wl_user'                       => 0,
 421                                                 'wl_namespace'                  => NS_USER_TALK,
 422                                                 'wl_title'                      => $wluser->user_ip,
 423                                                 'wl_notificationtimestamp'      => '19700101000000'
 424                                                 ), 'updaters.inc::do_watchlist_update2'
 425                                         );
 426                         }
 427                 } else { # normal users ... have user_ids
 428                         $user->setID($wluser->user_id);
 429                         $wgDatabase->replace( 'watchlist',
 430                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 431                                   array('wl_user'                       => $user->getID(),
 432                                         'wl_namespace'                  => NS_USER_TALK,
 433                                         'wl_title'                      => $user->getName(),
 434                                         'wl_notificationtimestamp'      => '19700101000000'
 435                                         ), 'updaters.inc::do_watchlist_update3'
 436                                 );
 437                 }
 438         }
 439         wfOut( "Done.\n" );
 440 }
 441
 442
 443 function do_user_update() {
 444         global $wgDatabase;
 445         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 446                 wfOut( "User table contains old email authentication field. Dropping... " );
 447                 $wgDatabase->sourceFile( archive( 'patch-email-authentication.sql' ) );
 448                 wfOut( "ok\n" );
 449         } else {
 450                 wfOut( "...user table does not contain old email authentication field.\n" );
 451         }
 452 }
 453
 454 /**
 455  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 456  * which causes a collation mismatch error on joins in MySQL 4.1.
 457  */
 458 function check_bin( $table, $field, $patchFile ) {
 459         global $wgDatabase, $wgDBtype;
 460         if ($wgDBtype != 'mysql')
 461                 return;
 462         $tableName = $wgDatabase->tableName( $table );
 463         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 464         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 465         $wgDatabase->freeResult( $res );
 466
 467         if( in_array( 'binary', $flags ) ) {
 468                 wfOut( "$table table has correct $field encoding.\n" );
 469         } else {
 470                 wfOut( "Fixing $field encoding on $table table... " );
 471                 $wgDatabase->sourceFile( archive( $patchFile ) );
 472                 wfOut( "ok\n" );
 473         }
 474 }
 475
 476 function do_schema_restructuring() {
 477         global $wgDatabase;
 478         $fname="do_schema_restructuring";
 479         if ( $wgDatabase->tableExists( 'page' ) ) {
 480                 wfOut( "...page table already exists.\n" );
 481         } else {
 482                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 483                 wfOut( wfTimestamp( TS_DB ) );
 484                 wfOut( "......checking for duplicate entries.\n" );
 485
 486                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 487
 488                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 489                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 490
 491                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 492                         wfOut( wfTimestamp( TS_DB ) );
 493                         wfOut( "......<b>Found duplicate entries</b>\n" );
 494                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 495                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 496                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 497                                         $duplicate[$row->cur_namespace] = array();
 498                                 }
 499                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 500                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 501                         }
 502                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 503                         $firstCond = true;
 504                         foreach ( $duplicate as $ns => $titles ) {
 505                                 if ( $firstCond ) {
 506                                         $firstCond = false;
 507                                 } else {
 508                                         $sql .= ' OR ';
 509                                 }
 510                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 511                                 $first = true;
 512                                 foreach ( $titles as $t ) {
 513                                         if ( $first ) {
 514                                                 $sql .= $wgDatabase->addQuotes( $t );
 515                                                 $first = false;
 516                                         } else {
 517                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 518                                         }
 519                                 }
 520                                 $sql .= ") ) \n";
 521                         }
 522                         # By sorting descending, the most recent entry will be the first in the list.
 523                         # All following entries will be deleted by the next while-loop.
 524                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 525
 526                         $rows = $wgDatabase->query( $sql, $fname );
 527
 528                         $prev_title = $prev_namespace = false;
 529                         $deleteId = array();
 530
 531                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 532                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 533                                         $deleteId[] = $row->cur_id;
 534                                 }
 535                                 $prev_title     = $row->cur_title;
 536                                 $prev_namespace = $row->cur_namespace;
 537                         }
 538                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 539                         $rows = $wgDatabase->query( $sql, $fname );
 540                         wfOut( wfTimestamp( TS_DB ) );
 541                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 542                 }
 543
 544
 545                 wfOut( wfTimestamp( TS_DB ) );
 546                 wfOut( "......Creating tables.\n" );
 547                 $wgDatabase->query("CREATE TABLE $page (
 548                         page_id int(8) unsigned NOT NULL auto_increment,
 549                         page_namespace int NOT NULL,
 550                         page_title varchar(255) binary NOT NULL,
 551                         page_restrictions tinyblob NOT NULL,
 552                         page_counter bigint(20) unsigned NOT NULL default '0',
 553                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 554                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 555                         page_random real unsigned NOT NULL,
 556                         page_touched char(14) binary NOT NULL default '',
 557                         page_latest int(8) unsigned NOT NULL,
 558                         page_len int(8) unsigned NOT NULL,
 559
 560                         PRIMARY KEY page_id (page_id),
 561                         UNIQUE INDEX name_title (page_namespace,page_title),
 562                         INDEX (page_random),
 563                         INDEX (page_len)
 564                         ) ENGINE=InnoDB", $fname );
 565                 $wgDatabase->query("CREATE TABLE $revision (
 566                         rev_id int(8) unsigned NOT NULL auto_increment,
 567                         rev_page int(8) unsigned NOT NULL,
 568                         rev_comment tinyblob NOT NULL,
 569                         rev_user int(5) unsigned NOT NULL default '0',
 570                         rev_user_text varchar(255) binary NOT NULL default '',
 571                         rev_timestamp char(14) binary NOT NULL default '',
 572                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 573                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 574                         rev_len int(8) unsigned,
 575                         rev_parent_id int(8) unsigned default NULL,
 576                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 577                         UNIQUE INDEX rev_id (rev_id),
 578                         INDEX rev_timestamp (rev_timestamp),
 579                         INDEX page_timestamp (rev_page,rev_timestamp),
 580                         INDEX user_timestamp (rev_user,rev_timestamp),
 581                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 582                         ) ENGINE=InnoDB", $fname );
 583
 584                 wfOut( wfTimestamp( TS_DB ) );
 585                 wfOut( "......Locking tables.\n" );
 586                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 587
 588                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 589                 wfOut( wfTimestamp( TS_DB ) );
 590                 wfOut( "......maxold is {$maxold}\n" );
 591
 592                 wfOut( wfTimestamp( TS_DB ) );
 593                 global $wgLegacySchemaConversion;
 594                 if( $wgLegacySchemaConversion ) {
 595                         // Create HistoryBlobCurStub entries.
 596                         // Text will be pulled from the leftover 'cur' table at runtime.
 597                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 598                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 599                         $cur_flags = "'object'";
 600                 } else {
 601                         // Copy all cur text in immediately: this may take longer but avoids
 602                         // having to keep an extra table around.
 603                         wfOut( "......Moving text from cur.\n" );
 604                         $cur_text = 'cur_text';
 605                         $cur_flags = "''";
 606                 }
 607                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 608                                 old_timestamp, old_minor_edit, old_flags)
 609                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 610                         FROM $cur", $fname );
 611
 612                 wfOut( wfTimestamp( TS_DB ) );
 613                 wfOut( "......Setting up revision table.\n" );
 614                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 615                                 rev_minor_edit)
 616                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 617                                 old_timestamp, old_minor_edit
 618                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 619
 620                 wfOut( wfTimestamp( TS_DB ) );
 621                 wfOut( "......Setting up page table.\n" );
 622                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 623                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 624                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 625                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 626                         FROM $cur,$revision
 627                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 628
 629                 wfOut( wfTimestamp( TS_DB ) );
 630                 wfOut( "......Unlocking tables.\n" );
 631                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 632
 633                 wfOut( wfTimestamp( TS_DB ) );
 634                 wfOut( "......Renaming old.\n" );
 635                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 636
 637                 wfOut( wfTimestamp( TS_DB ) );
 638                 wfOut( "...done.\n" );
 639         }
 640 }
 641
 642 function do_inverse_timestamp() {
 643         global $wgDatabase;
 644         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 645                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 646                 $wgDatabase->sourceFile( archive( 'patch-inverse_timestamp.sql' ) );
 647                 wfOut( "ok\n" );
 648         } else {
 649                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 650         }
 651 }
 652
 653 function do_text_id() {
 654         global $wgDatabase;
 655         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 656                 wfOut( "...rev_text_id already in place.\n" );
 657         } else {
 658                 wfOut( "Adding rev_text_id field... " );
 659                 $wgDatabase->sourceFile( archive( 'patch-rev_text_id.sql' ) );
 660                 wfOut( "ok\n" );
 661         }
 662 }
 663
 664 function do_namespace_size() {
 665         $tables = array(
 666                 'page'          => 'page',
 667                 'archive'       => 'ar',
 668                 'recentchanges' => 'rc',
 669                 'watchlist'     => 'wl',
 670                 'querycache'    => 'qc',
 671                 'logging'       => 'log',
 672         );
 673         foreach( $tables as $table => $prefix ) {
 674                 do_namespace_size_on( $table, $prefix );
 675                 flush();
 676         }
 677 }
 678
 679 function do_namespace_size_on( $table, $prefix ) {
 680         global $wgDatabase, $wgDBtype;
 681         if ($wgDBtype != 'mysql')
 682                 return;
 683         $field = $prefix . '_namespace';
 684
 685         $tablename = $wgDatabase->tableName( $table );
 686         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 687         $info = $wgDatabase->fetchObject( $result );
 688         $wgDatabase->freeResult( $result );
 689
 690         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 691                 wfOut( "...$field is already a full int ($info->Type).\n" );
 692         } else {
 693                 wfOut( "Promoting $field from $info->Type to int... " );
 694
 695                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 696                 $wgDatabase->query( $sql );
 697
 698                 wfOut( "ok\n" );
 699         }
 700 }
 701
 702 function do_pagelinks_update() {
 703         global $wgDatabase;
 704         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 705                 wfOut( "...already have pagelinks table.\n" );
 706         } else {
 707                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 708                 $wgDatabase->sourceFile( archive( 'patch-pagelinks.sql' ) );
 709                 wfOut( "ok\n" );
 710                 flush();
 711
 712                 global $wgCanonicalNamespaceNames;
 713                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 714                         if( $ns != 0 ) {
 715                                 do_pagelinks_namespace( $ns );
 716                         }
 717                 }
 718         }
 719 }
 720
 721 function do_pagelinks_namespace( $namespace ) {
 722         global $wgDatabase, $wgContLang;
 723
 724         $ns = intval( $namespace );
 725         wfOut( "Cleaning up broken links for namespace $ns... " );
 726
 727         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 728         $name = $wgContLang->getNsText( $ns );
 729         $prefix = $wgDatabase->strencode( $name );
 730         $likeprefix = str_replace( '_', '\\_', $prefix);
 731
 732         $sql = "UPDATE $pagelinks
 733                    SET pl_namespace=$ns,
 734                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 735                  WHERE pl_namespace=0
 736                    AND pl_title LIKE '$likeprefix:%'";
 737
 738         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 739         wfOut( "ok\n" );
 740 }
 741
 742 function do_drop_img_type() {
 743         global $wgDatabase;
 744
 745         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 746                 wfOut( "Dropping unused img_type field in image table... " );
 747                 $wgDatabase->sourceFile( archive( 'patch-drop_img_type.sql' ) );
 748                 wfOut( "ok\n" );
 749         } else {
 750                 wfOut( "No img_type field in image table; Good.\n" );
 751         }
 752 }
 753
 754 function do_old_links_update() {
 755         global $wgDatabase;
 756         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 757                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 758         } else {
 759                 convertLinks(); flush();
 760         }
 761 }
 762
 763 function fix_ancient_imagelinks() {
 764         global $wgDatabase;
 765         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 766         if ( $info && $info->type() === 'string' ) {
 767                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 768                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 769                 $wgDatabase->sourceFile( archive( 'patch-fix-il_from.sql' ) );
 770                 wfOut( "ok\n" );
 771         } else {
 772                 wfOut( "...il_from OK\n" );
 773         }
 774 }
 775
 776 function do_user_unique_update() {
 777         global $wgDatabase;
 778         $duper = new UserDupes( $wgDatabase );
 779         if( $duper->hasUniqueIndex() ) {
 780                 wfOut( "Already have unique user_name index.\n" );
 781         } else {
 782                 if( !$duper->clearDupes() ) {
 783                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 784                 }
 785                 wfOut( "Adding unique index on user_name... " );
 786                 $wgDatabase->sourceFile( archive( 'patch-user_nameindex.sql' ) );
 787                 wfOut( "ok\n" );
 788         }
 789 }
 790
 791 function do_user_groups_update() {
 792         $fname = 'do_user_groups_update';
 793         global $wgDatabase;
 794
 795         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 796                 wfOut( "...user_groups table already exists.\n" );
 797                 return do_user_groups_reformat();
 798         }
 799
 800         wfOut( "Adding user_groups table... " );
 801         $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 802         wfOut( "ok\n" );
 803
 804         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 805                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 806                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 807                         $wgDatabase->sourceFile( archive( 'patch-user_rights.sql' ) );
 808                         wfOut( "ok\n" );
 809                 } else {
 810                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 811                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 812                         wfOut( "*** the user_groups table.\n" );
 813                         return;
 814                 }
 815         }
 816
 817         wfOut( "Converting user_rights table to user_groups... " );
 818         $result = $wgDatabase->select( 'user_rights',
 819                 array( 'ur_user', 'ur_rights' ),
 820                 array( "ur_rights != ''" ),
 821                 $fname );
 822
 823         while( $row = $wgDatabase->fetchObject( $result ) ) {
 824                 $groups = array_unique(
 825                         array_map( 'trim',
 826                                 explode( ',', $row->ur_rights ) ) );
 827
 828                 foreach( $groups as $group ) {
 829                         $wgDatabase->insert( 'user_groups',
 830                                 array(
 831                                         'ug_user'  => $row->ur_user,
 832                                         'ug_group' => $group ),
 833                                 $fname );
 834                 }
 835         }
 836         $wgDatabase->freeResult( $result );
 837         wfOut( "ok\n" );
 838 }
 839
 840 function do_user_groups_reformat() {
 841         # Check for bogus formats from previous 1.5 alpha code.
 842         global $wgDatabase;
 843         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 844
 845         if( $info->type() == 'int' ) {
 846                 $oldug = $wgDatabase->tableName( 'user_groups' );
 847                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 848                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 849                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 850                 wfOut( "ok\n" );
 851
 852                 wfOut( "Re-adding fresh user_groups table... " );
 853                 $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 854                 wfOut( "ok\n" );
 855
 856                 wfOut( "***\n" );
 857                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 858                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 859                 wfOut( "***\n" );
 860         } else {
 861                 wfOut( "...user_groups is in current format.\n" );
 862         }
 863
 864 }
 865
 866 function do_watchlist_null() {
 867         # Make sure wl_notificationtimestamp can be NULL,
 868         # and update old broken items.
 869         global $wgDatabase;
 870         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 871
 872         if( !$info->nullable() ) {
 873                 wfOut( "Making wl_notificationtimestamp nullable... " );
 874                 $wgDatabase->sourceFile( archive( 'patch-watchlist-null.sql' ) );
 875                 wfOut( "ok\n" );
 876         } else {
 877                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 878         }
 879
 880 }
 881
 882 /**
 883  * @bug 3946
 884  */
 885 function do_page_random_update() {
 886         global $wgDatabase;
 887
 888         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 889
 890         $page = $wgDatabase->tableName( 'page' );
 891         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 892         $rows = $wgDatabase->affectedRows();
 893
 894         wfOut( "changed $rows rows\n" );
 895 }
 896
 897 function do_templatelinks_update() {
 898         global $wgDatabase, $wgLoadBalancer;
 899         $fname = 'do_templatelinks_update';
 900
 901         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 902                 wfOut( "...templatelinks table already exists\n" );
 903                 return;
 904         }
 905         wfOut( "Creating templatelinks table...\n" );
 906         $wgDatabase->sourceFile( archive('patch-templatelinks.sql') );
 907         wfOut( "Populating...\n" );
 908         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 909                 // Slow, replication-friendly update
 910                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 911                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 912                 $count = 0;
 913                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 914                         $count = ($count + 1) % 100;
 915                         if ( $count == 0 ) {
 916                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 917                                         wfWaitForSlaves( 10 );
 918                                 } else {
 919                                         sleep( 1 );
 920                                 }
 921                         }
 922                         $wgDatabase->insert( 'templatelinks',
 923                                 array(
 924                                         'tl_from' => $row->pl_from,
 925                                         'tl_namespace' => $row->pl_namespace,
 926                                         'tl_title' => $row->pl_title,
 927                                 ), $fname
 928                         );
 929
 930                 }
 931                 $wgDatabase->freeResult( $res );
 932         } else {
 933                 // Fast update
 934                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 935                         array(
 936                                 'tl_from' => 'pl_from',
 937                                 'tl_namespace' => 'pl_namespace',
 938                                 'tl_title' => 'pl_title'
 939                         ), array(
 940                                 'pl_namespace' => 10
 941                         ), $fname
 942                 );
 943         }
 944         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 945 }
 946
 947 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 948 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 949 function do_rc_indices_update() {
 950         global $wgDatabase;
 951         wfOut( "Checking for additional recent changes indices...\n" );
 952
 953         $indexes = array(
 954                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 955                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 956         );
 957
 958         foreach( $indexes as $index => $patch ) {
 959                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 960                 if( !$info ) {
 961                         wfOut( "...index `{$index}` not found; adding..." );
 962                         $wgDatabase->sourceFile( archive( $patch ) );
 963                         wfOut( "done.\n" );
 964                 } else {
 965                         wfOut( "...index `{$index}` seems ok.\n" );
 966                 }
 967         }
 968 }
 969
 970 function index_has_field($table, $index, $field) {
 971         global $wgDatabase;
 972         wfOut( "Checking if $table index $index includes field $field...\n" );
 973         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 974         if( $info ) {
 975                 foreach($info as $row) {
 976                         if($row->Column_name == $field) {
 977                                 wfOut( "...index $index on table $table seems to be ok\n" );
 978                                 return true;
 979                         }
 980                 }
 981         }
 982         wfOut( "...index $index on table $table has no field $field; adding\n" );
 983         return false;
 984 }
 985
 986 function do_backlinking_indices_update() {
 987         wfOut( "Checking for backlinking indices...\n" );
 988         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 989                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 990                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 991         {
 992                 $wgDatabase->sourceFile( archive( 'patch-backlinkindexes.sql' ) );
 993                 wfOut( "...backlinking indices updated\n" );
 994         }
 995 }
 996
 997 function do_categorylinks_indices_update() {
 998         wfOut( "Checking for categorylinks indices...\n" );
 999         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1000         {
1001                 $wgDatabase->sourceFile( archive( 'patch-categorylinksindex.sql' ) );
1002                 wfOut( "...categorylinks indices updated\n" );
1003         }
1004 }
1005
1006 function do_filearchive_indices_update() {
1007         global $wgDatabase;
1008         wfOut( "Checking filearchive indices...\n" );
1009         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1010         if ( !$info )
1011         {
1012                 $wgDatabase->sourceFile( archive( 'patch-filearchive-user-index.sql' ) );
1013                 wfOut( "...filearchive indices updated\n" );
1014         }
1015 }
1016
1017 function maybe_do_profiling_memory_update() {
1018         global $wgDatabase;
1019         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1020                 // Simply ignore
1021         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1022                 wfOut( "profiling table has pf_memory field.\n" );
1023         } else {
1024                 wfOut( "Adding pf_memory field to table profiling..." );
1025                 $wgDatabase->sourceFile( archive( 'patch-profiling-memory.sql' ) );
1026                 wfOut( "ok\n" );
1027         }
1028 }
1029
1030 function do_stats_init() {
1031         // Sometimes site_stats table is not properly populated.
1032         global $wgDatabase;
1033         wfOut( "Checking site_stats row..." );
1034         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1035         if( $row === false ) {
1036                 wfOut( "data is missing! rebuilding...\n" );
1037         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1038                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1039         } else {
1040                 wfOut( "ok.\n" );
1041                 return;
1042         }
1043         SiteStatsInit::doAllAndUpdate( false );
1044 }
1045
1046 function do_active_users_init() {
1047         global $wgDatabase;
1048         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1049         if( $activeUsers == -1 ) {
1050                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1051                         'COUNT( DISTINCT rc_user_text )',
1052                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1053                 );
1054                 $wgDatabase->update( 'site_stats',
1055                         array( 'ss_active_users' => intval($activeUsers) ),
1056                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1057                 );
1058         }
1059         wfOut( "...ss_active_users user count set...\n" );
1060 }
1061
1062 function purge_cache() {
1063         global $wgDatabase;
1064         # We can't guarantee that the user will be able to use TRUNCATE,
1065         # but we know that DELETE is available to us
1066         wfOut( "Purging caches..." );
1067         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1068         wfOut( "done.\n" );
1069 }
1070
1071 function do_all_updates( $shared = false, $purge = true ) {
1072         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1073
1074         wfRunHooks('LoadExtensionSchemaUpdates');
1075
1076         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1077
1078         if ($wgDBtype === 'postgres') {
1079                 do_postgres_updates();
1080                 return;
1081         }
1082
1083         # Run core updates in sequence...
1084         global $wgUpdates;
1085         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1086                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1087                         $func = array_shift( $params );
1088                         call_user_func_array( $func, $params );
1089                         flush();
1090                 }
1091         }
1092
1093         /// @fixme clean up this mess too!
1094         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1095         # Add missing extension tables
1096         foreach ( $wgExtNewTables as $tableRecord ) {
1097                 add_table( $tableRecord[0], $tableRecord[1], true );
1098                 flush();
1099         }
1100         # Add missing extension fields
1101         foreach ( $wgExtNewFields as $fieldRecord ) {
1102                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1103                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1104                 }
1105                 flush();
1106         }
1107         # Add missing extension indexes
1108         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1109                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1110                 flush();
1111         }
1112
1113
1114         wfOut( "Deleting old default messages (this may take a long time!)..." );
1115         if( !defined( 'MW_NO_SETUP' ) ) {
1116                 define( 'MW_NO_SETUP', true );
1117         }
1118         require_once 'deleteDefaultMessages.php';
1119         DeleteDefaultMessages::reallyExecute();
1120         wfOut( "Done\n" );
1121
1122         do_stats_init();
1123
1124         if( $purge ) {
1125                 purge_cache();
1126         }
1127 }
1128
1129 function archive($name) {
1130         global $wgDBtype, $IP;
1131         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1132                 return "$IP/maintenance/$wgDBtype/archives/$name";
1133         } else {
1134                 return "$IP/maintenance/archives/$name";
1135         }
1136 }
1137
1138 function do_restrictions_update() {
1139         # Adding page_restrictions table, obsoleting page.page_restrictions.
1140         #  Migrating old restrictions to new table
1141         # -- Andrew Garrett, January 2007.
1142
1143         global $wgDatabase;
1144
1145         $name = 'page_restrictions';
1146         $patch = 'patch-page_restrictions.sql';
1147         $patch2 = 'patch-page_restrictions_sortkey.sql';
1148
1149         if ( $wgDatabase->tableExists( $name ) ) {
1150                 wfOut( "...$name table already exists.\n" );
1151         } else {
1152                 wfOut( "Creating $name table..." );
1153                 $wgDatabase->sourceFile( archive($patch) );
1154                 $wgDatabase->sourceFile( archive($patch2) );
1155                 wfOut( "ok\n" );
1156
1157                 wfOut( "Migrating old restrictions to new table..." );
1158
1159                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1160
1161                 $count = 0;
1162
1163                 while ($row = $wgDatabase->fetchObject($res) ) {
1164                         $count = ($count + 1) % 100;
1165
1166                         if ($count == 0) {
1167                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1168                                         wfWaitForSlaves( 10 );
1169                                 } else {
1170                                         sleep( 1 );
1171                                 }
1172                         }
1173
1174                         # Figure out what the restrictions are..
1175                         $id = $row->page_id;
1176                         $flatrestrictions = explode( ':', $row->page_restrictions );
1177
1178                         $restrictions = array ();
1179                         foreach( $flatrestrictions as $restriction ) {
1180                                 $thisrestriction = explode( '=', $restriction, 2 );
1181                                 if( count( $thisrestriction ) == 1 ) {
1182                                         // Compatibility with old protections from before
1183                                         // separate move protection was added.
1184                                         list( $level ) = $thisrestriction;
1185                                         if( $level ) {
1186                                                 $restrictions['edit'] = $level;
1187                                                 $restrictions['move'] = $level;
1188                                         }
1189                                 } else {
1190                                         list( $type, $level ) = $thisrestriction;
1191                                         if( $level ) {
1192                                                 $restrictions[$type] = $level;
1193                                         }
1194                                 }
1195
1196                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1197
1198                         }
1199
1200                         foreach( $restrictions as $type => $level ) {
1201                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1202                                                                                         'pr_type' => $type,
1203                                                                                         'pr_level' => $level,
1204                                                                                         'pr_cascade' => 0,
1205                                                                                         'pr_expiry' => 'infinity' ),
1206                                                                                         __METHOD__ );
1207                         }
1208                 }
1209                 wfOut( "ok\n" );
1210         }
1211 }
1212
1213 function do_category_population() {
1214         if( update_row_exists( 'populate category' ) ) {
1215                 wfOut( "...category table already populated.\n" );
1216                 return;
1217         }
1218         require_once( 'populateCategory.inc' );
1219         wfOut( "Populating category table, printing progress markers.  " ).
1220 "For large databases, you\n".
1221 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1222 "populateCategory.php.\n";
1223         populateCategory( '', 10, 0, true );
1224         wfOut( "Done populating category table.\n" );
1225 }
1226
1227 function do_populate_parent_id() {
1228         if( update_row_exists( 'populate rev_parent_id' ) ) {
1229                 wfOut( "...rev_parent_id column already populated.\n" );
1230                 return;
1231         }
1232         require_once( 'populateParentId.inc' );
1233
1234         global $wgDatabase;
1235         populate_rev_parent_id( $wgDatabase );
1236 }
1237
1238 function sqlite_initial_indexes() {
1239         global $wgDatabase;
1240         if ( update_row_exists( 'initial_indexes' ) ) {
1241                 wfOut( "...have initial indexes\n" );
1242                 return;
1243         }
1244         wfOut( "Adding initial indexes..." );
1245         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1246         wfOut( "done\n" );
1247 }
1248
1249 function do_unique_pl_tl_il() {
1250         global $wgDatabase;
1251         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1252         if( is_array($info) && !$info[0]->Non_unique ) {
1253                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1254         } else {
1255                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1256                 $wgDatabase->sourceFile( archive( 'patch-pl-tl-il-unique.sql' ) );
1257                 wfOut( "ok\n" );
1258         }
1259 }
1260
1261 function do_log_search_population() {
1262         global $wgDatabase;
1263         if( update_row_exists( 'populate log_search' ) ) {
1264                 wfOut( "...log_search table already populated.\n" );
1265                 return;
1266         }
1267         require_once( 'populateLogSearch.inc' );
1268         wfOut(
1269 "Populating log_search table, printing progress markers. For large\n" .
1270 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1271 "maintenance/populateLogSearch.php.\n" );
1272         migrate_log_params( $wgDatabase );
1273         wfOut( "Done populating log_search table.\n" );
1274 }
1275
1276 /***********************************************************************
1277  * Start PG crap
1278  * TODO: merge with above
1279  ***********************************************************************/
1280
1281 function
1282 pg_describe_table($table)
1283 {
1284 global  $wgDatabase, $wgDBmwschema;
1285         $q = <<<END
1286 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1287         WHERE pg_class.relnamespace = pg_namespace.oid
1288           AND attrelid=pg_class.oid AND attnum > 0
1289           AND relname=%s AND nspname=%s
1290 END;
1291         $res = $wgDatabase->query(sprintf($q,
1292                         $wgDatabase->addQuotes($table),
1293                         $wgDatabase->addQuotes($wgDBmwschema)));
1294         if (!$res)
1295                 return null;
1296
1297         $cols = array();
1298         while ($r = $wgDatabase->fetchRow($res)) {
1299                 $cols[] = array(
1300                                 "name" => $r[0],
1301                                 "ord" => $r[1],
1302                         );
1303         }
1304         return $cols;
1305 }
1306
1307 function
1308 pg_describe_index($idx)
1309 {
1310 global  $wgDatabase, $wgDBmwschema;
1311
1312         // first fetch the key (which is a list of columns ords) and
1313         // the table the index applies to (an oid)
1314         $q = <<<END
1315 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1316         WHERE nspname=%s
1317           AND pg_class.relnamespace = pg_namespace.oid
1318           AND relname=%s
1319           AND indexrelid=pg_class.oid
1320 END;
1321         $res = $wgDatabase->query(sprintf($q,
1322                         $wgDatabase->addQuotes($wgDBmwschema),
1323                         $wgDatabase->addQuotes($idx)));
1324         if (!$res)
1325                 return null;
1326         if (!($r = $wgDatabase->fetchRow($res))) {
1327                 $wgDatabase->freeResult($res);
1328                 return null;
1329         }
1330
1331         $indkey = $r[0];
1332         $relid = intval($r[1]);
1333         $indkeys = explode(" ", $indkey);
1334         $wgDatabase->freeResult($res);
1335
1336         $colnames = array();
1337         foreach ($indkeys as $rid) {
1338                 $query = <<<END
1339 SELECT attname FROM pg_class, pg_attribute
1340         WHERE attrelid=$relid
1341           AND attnum=%d
1342           AND attrelid=pg_class.oid
1343 END;
1344                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1345                 if (!$r2)
1346                         return null;
1347                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1348                         $wgDatabase->freeResult($r2);
1349                         return null;
1350                 }
1351                 $colnames[] = $row2[0];
1352                 $wgDatabase->freeResult($r2);
1353         }
1354
1355         return $colnames;
1356 }
1357
1358 function
1359 pg_index_exists($table, $index)
1360 {
1361 global  $wgDatabase, $wgDBmwschema;
1362         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1363                         array(  "indexname" => $index,
1364                                 "tablename" => $table,
1365                                 "schemaname" => $wgDBmwschema));
1366         return $exists === $index;
1367 }
1368
1369 function
1370 pg_fkey_deltype($fkey)
1371 {
1372 global  $wgDatabase, $wgDBmwschema;
1373         $q = <<<END
1374 SELECT confdeltype FROM pg_constraint, pg_namespace
1375         WHERE connamespace=pg_namespace.oid
1376           AND nspname=%s
1377           AND conname=%s;
1378 END;
1379         $r = $wgDatabase->query(sprintf($q,
1380                 $wgDatabase->addQuotes($wgDBmwschema),
1381                 $wgDatabase->addQuotes($fkey)));
1382         if (!($row = $wgDatabase->fetchRow($r)))
1383                 return null;
1384         return $row[0];
1385 }
1386
1387 function
1388 pg_rule_def($table, $rule)
1389 {
1390 global  $wgDatabase, $wgDBmwschema;
1391         $q = <<<END
1392 SELECT definition FROM pg_rules
1393         WHERE schemaname = %s
1394           AND tablename = %s
1395           AND rulename = %s
1396 END;
1397         $r = $wgDatabase->query(sprintf($q,
1398                         $wgDatabase->addQuotes($wgDBmwschema),
1399                         $wgDatabase->addQuotes($table),
1400                         $wgDatabase->addQuotes($rule)));
1401         $row = $wgDatabase->fetchRow($r);
1402         if (!$row)
1403                 return null;
1404         $d = $row[0];
1405         $wgDatabase->freeResult($r);
1406         return $d;
1407 }
1408
1409 function do_postgres_updates() {
1410         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1411
1412         ## Gather version numbers in case we need them
1413         $version = $wgDatabase->getServerVersion(); ## long string
1414         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1415
1416         $wgShowExceptionDetails = 1;
1417
1418         # Just in case their LocalSettings.php does not have this:
1419         if ( !isset( $wgDBmwschema ))
1420                 $wgDBmwschema = 'mediawiki';
1421
1422         # Verify that this user is configured correctly
1423         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1424         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1425         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1426         $conf = array();
1427         foreach( explode( '*', $config ) as $c ) {
1428                 list( $x,$y ) = explode( '=', $c );
1429                 $conf[$x] = $y;
1430         }
1431         if( !array_key_exists( 'search_path', $conf ) ) {
1432                 $search_path = '';
1433         }
1434         else {
1435                 $search_path = $conf['search_path'];
1436         }
1437         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1438                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1439                 $search_path = "$wgDBmwschema, $search_path";
1440         }
1441         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1442                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1443                 $search_path = "$search_path, $wgDBts2schema";
1444         }
1445         $search_path = str_replace( ', ,', ',', $search_path);
1446         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1447                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1448                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1449         }
1450         else {
1451                 $path = $conf['search_path'];
1452                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1453         }
1454         $goodconf = array(
1455                 'client_min_messages' => 'error',
1456                 'DateStyle'           => 'ISO, YMD',
1457                 'TimeZone'            => 'GMT'
1458         );
1459         foreach( array_keys( $goodconf ) AS $key ) {
1460                 $value = $goodconf[$key];
1461                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1462                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1463                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1464                         $wgDatabase->doQuery( "SET $key = '$value'" );
1465                 }
1466                 else {
1467                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1468                 }
1469         }
1470
1471         $newsequences = array(
1472                 "log_log_id_seq",
1473                 "pr_id_val",
1474         );
1475
1476         $newtables = array(
1477                 array("category",          "patch-category.sql"),
1478                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1479                 array("mwuser",            "patch-mwuser.sql"),
1480                 array("pagecontent",       "patch-pagecontent.sql"),
1481                 array("querycachetwo",     "patch-querycachetwo.sql"),
1482                 array("page_props",        "patch-page_props.sql"),
1483                 array("page_restrictions", "patch-page_restrictions.sql"),
1484                 array("profiling",         "patch-profiling.sql"),
1485                 array("protected_titles",  "patch-protected_titles.sql"),
1486                 array("redirect",          "patch-redirect.sql"),
1487                 array("updatelog",         "patch-updatelog.sql"),
1488                 array('change_tag',        'patch-change_tag.sql'),
1489                 array('tag_summary',       'patch-change_tag.sql'),
1490                 array('valid_tag',         'patch-change_tag.sql'),
1491                 array('user_properties',   'patch-user_properties.sql'),
1492                 array('log_search',        'patch-log_search.sql'),
1493                 array('l10n_cache',        'patch-l10n_cache.sql'),
1494         );
1495
1496         $newcols = array(
1497                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1498                 array("archive",       "ar_len",               "INTEGER"),
1499                 array("archive",       "ar_page_id",           "INTEGER"),
1500                 array("archive",       "ar_parent_id",         "INTEGER"),
1501                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1502                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1503                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1504                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1505                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1506                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1507                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1508                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1509                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1510                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1511                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1512                 array("logging",       "log_params",           "TEXT"),
1513                 array("mwuser",        "user_editcount",       "INTEGER"),
1514                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1515                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1516                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1517                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1518                 array("oldimage",      "oi_media_type",        "TEXT"),
1519                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1520                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1521                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1522                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1523                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1524                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1525                 array("recentchanges", "rc_log_action",        "TEXT"),
1526         array("recentchanges", "rc_log_type",          "TEXT"),
1527         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1528                 array("recentchanges", "rc_new_len",           "INTEGER"),
1529                 array("recentchanges", "rc_old_len",           "INTEGER"),
1530                 array("recentchanges", "rc_params",            "TEXT"),
1531                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1532                 array("revision",      "rev_len",              "INTEGER"),
1533                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1534                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1535                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1536                 array("logging",       "log_user_text",        "TEXT NOT NULL DEFAULT ''"),
1537                 array("logging",       "log_page",             "INTEGER"),
1538         );
1539
1540
1541         # table, column, desired type, USING clause if needed (with new default if needed)
1542         $typechanges = array(
1543                 array("archive",      "ar_deleted",      "smallint", ""),
1544                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1545                 array("filearchive",  "fa_deleted",      "smallint", ""),
1546                 array("filearchive",  "fa_height",       "integer",  ""),
1547                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1548                 array("filearchive",  "fa_size",         "integer",  ""),
1549                 array("filearchive",  "fa_width",        "integer",  ""),
1550                 array("filearchive",  "fa_storage_group","text",     ""),
1551                 array("filearchive",  "fa_storage_key",  "text",     ""),
1552                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1553                 array("image",        "img_size",        "integer",  ""),
1554                 array("image",        "img_width",       "integer",  ""),
1555                 array("image",        "img_height",      "integer",  ""),
1556                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1557                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1558                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1559                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1560                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1561                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1562                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1563                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1564                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1565                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1566                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1567                 array("mwuser",       "user_token",      "text",     ""),
1568                 array("mwuser",       "user_email_token","text",     ""),
1569                 array("objectcache",  "keyname",         "text",     ""),
1570                 array("oldimage",     "oi_height",       "integer",  ""),
1571                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1572                 array("oldimage",     "oi_size",         "integer",  ""),
1573                 array("oldimage",     "oi_width",        "integer",  ""),
1574                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1575                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1576                 array("querycache",   "qc_value",        "integer",  ""),
1577                 array("querycachetwo","qcc_value",       "integer",  ""),
1578                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1579                 array("recentchanges","rc_deleted",      "smallint", ""),
1580                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1581                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1582                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1583                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1584                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1585                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1586                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1587                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1588         );
1589
1590         # table, column, nullability
1591         $nullchanges = array(
1592                 array("oldimage", "oi_bits",       "NULL"),
1593                 array("oldimage", "oi_timestamp",  "NULL"),
1594                 array("oldimage", "oi_major_mime", "NULL"),
1595                 array("oldimage", "oi_minor_mime", "NULL"),
1596         );
1597
1598         $newindexes = array(
1599                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1600                 array("image",         "img_sha1",           "(img_sha1)"),
1601                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1602                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1603                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1604                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1605                 array("watchlist",     "wl_user",            "(wl_user)"),
1606                 array("logging",       "logging_user_type_time", "(log_user, log_type, log_timestamp)"),
1607                 array("logging",       "logging_page_id_time",   "(log_page,log_timestamp)"),
1608         );
1609
1610         $newrules = array(
1611         );
1612
1613         foreach ($newsequences as $ns) {
1614                 if ($wgDatabase->sequenceExists($ns)) {
1615                         wfOut( "... sequence \"$ns\" already exists\n" );
1616                         continue;
1617                 }
1618
1619                 wfOut( "Creating sequence \"$ns\"\n" );
1620                 $wgDatabase->query("CREATE SEQUENCE $ns");
1621         }
1622
1623         foreach ($newtables as $nt) {
1624                 if ($wgDatabase->tableExists($nt[0])) {
1625                         wfOut( "... table \"$nt[0]\" already exists\n" );
1626                         continue;
1627                 }
1628
1629                 wfOut( "Creating table \"$nt[0]\"\n" );
1630                 $wgDatabase->sourceFile(archive($nt[1]));
1631         }
1632
1633         ## Needed before newcols
1634         if ($wgDatabase->tableExists("archive2")) {
1635                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1636                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1637                         wfOut( "Dropping rule \"archive_insert\"\n" );
1638                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1639                 }
1640                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1641                         wfOut( "Dropping rule \"archive_delete\"\n" );
1642                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1643                 }
1644                 $wgDatabase->sourceFile(archive("patch-remove-archive2.sql"));
1645         }
1646         else
1647                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1648
1649         foreach ($newcols as $nc) {
1650                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1651                 if (!is_null($fi)) {
1652                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1653                         continue;
1654                 }
1655
1656                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1657                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1658         }
1659
1660         foreach ($typechanges as $tc) {
1661                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1662                 if (is_null($fi)) {
1663                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1664                         exit(1);
1665                 }
1666
1667                 if ($fi->type() === $tc[2])
1668                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1669                 else {
1670                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1671                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1672                         if (strlen($tc[3])) {
1673                                 $default = array();
1674                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1675                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1676                                         $wgDatabase->query($sqldef);
1677                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1678                                 }
1679                                 $sql .= " USING $tc[3]";
1680                         }
1681                         $sql .= ";\nCOMMIT;\n";
1682                         $wgDatabase->query($sql);
1683                 }
1684         }
1685
1686         foreach ($nullchanges as $nc) {
1687                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1688                 if (is_null($fi)) {
1689                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1690                         exit(1);
1691                 }
1692                 if ($fi->nullable()) {
1693                         ## It's NULL - does it need to be NOT NULL?
1694                         if ('NOT NULL' === $nc[2]) {
1695                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1696                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1697                         }
1698                         else {
1699                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1700                         }
1701                 }
1702                 else {
1703                         ## It's NOT NULL - does it need to be NULL?
1704                         if ('NULL' === $nc[2]) {
1705                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1706                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1707                         }
1708                         else {
1709                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1710                         }
1711                 }
1712         }
1713
1714         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1715                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1716                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1717                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1718                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1719         }
1720         else
1721                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1722
1723
1724         foreach ($newindexes as $ni) {
1725                 if (pg_index_exists($ni[0], $ni[1])) {
1726                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1727                         continue;
1728                 }
1729                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1730                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1731         }
1732
1733         foreach ($newrules as $nr) {
1734                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1735                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1736                         continue;
1737                 }
1738                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1739                 $wgDatabase->sourceFile(archive($nr[2]));
1740         }
1741
1742         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascaded")) {
1743                 wfOut( "... table \"oldimage\" has correct cascading delete/update foreign key to image\n" );
1744         }
1745         else {
1746                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1747                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1748                 }
1749                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascade")) {
1750                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1751                 }
1752                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete/update\n" );
1753                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded ".
1754                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE ON UPDATE CASCADE" );
1755         }
1756
1757         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1758                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1759                 $wgDatabase->sourceFile(archive('patch-page_deleted.sql'));
1760         }
1761         else
1762                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1763
1764         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1765         if (!$fi->nullable()) {
1766                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1767                 $wgDatabase->sourceFile(archive('patch-rc_cur_id-not-null.sql'));
1768         }
1769         else
1770                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1771
1772         $pu = pg_describe_index("pagelink_unique");
1773         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1774                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1775                 $wgDatabase->query("DROP INDEX pagelink_unique");
1776                 $pu = null;
1777         }
1778         else
1779                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1780
1781         if (is_null($pu)) {
1782                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1783                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1784         }
1785         else
1786                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1787
1788         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1789                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1790         }
1791         else {
1792                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1793                 $wgDatabase->sourceFile(archive('patch-revision_rev_user_fkey.sql'));
1794         }
1795
1796         # Fix ipb_address index
1797         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1798                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1799                 $wgDatabase->query('DROP INDEX ipb_address');
1800         }
1801         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1802                 wfOut( "... have ipb_address_unique\n" );
1803         }
1804         else {
1805                 wfOut( "Adding ipb_address_unique index\n" );
1806                 $wgDatabase->sourceFile(archive('patch-ipb_address_unique.sql'));
1807         }
1808
1809         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1810         # Add missing extension tables
1811         foreach ( $wgExtNewTables as $nt ) {
1812                 if ($wgDatabase->tableExists($nt[0])) {
1813                         wfOut( "... table \"$nt[0]\" already exists\n" );
1814                         continue;
1815                 }
1816                 wfOut( "Creating table \"$nt[0]\"\n" );
1817                 $wgDatabase->sourceFile($nt[1]);
1818         }
1819         # Add missing extension fields
1820         foreach ( $wgExtPGNewFields as $nc ) {
1821                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1822                 if (!is_null($fi)) {
1823                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1824                         continue;
1825                 }
1826                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1827                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1828         }
1829         # Change altered columns
1830         foreach ( $wgExtPGAlteredFields as $nc ) {
1831                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1832                 if (is_null($fi)) {
1833                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1834                         continue;
1835                 }
1836                 $oldtype = $fi->type();
1837                 $newtype = strtolower( $nc[2] );
1838                 if ($oldtype === $newtype) {
1839                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1840                         continue;
1841                 }
1842                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1843                 if ( isset( $nc[3] ) ) {
1844                         $command .= " USING $nc[3]";
1845                 }
1846                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1847                 $wgDatabase->query( $command );
1848         }
1849         # Add missing extension indexes
1850         foreach ( $wgExtNewIndexes as $ni ) {
1851                 if (pg_index_exists($ni[0], $ni[1])) {
1852                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1853                         continue;
1854                 }
1855                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1856                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1857                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1858                 }
1859                 else {
1860                         $wgDatabase->sourceFile($ni[2]);
1861                 }
1862         }
1863
1864         # Tweak the page_title tsearch2 trigger to filter out slashes
1865         # This is create or replace, so harmless to call if not needed
1866         $wgDatabase->sourceFile(archive('patch-ts2pagetitle.sql'));
1867
1868         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1869         ## in case they have the old 'default' versions
1870         if ( $numver >= 8.3 )
1871                 $wgDatabase->sourceFile(archive('patch-tsearch2funcs.sql'));
1872
1873         ## Put a new row in the mediawiki_version table
1874         $wgDatabase->insert( 'mediawiki_version',
1875                 array(
1876                         'type' => 'Update',
1877                         'ctype' => 'U',
1878                         'mw_version' => $wgVersion,
1879                         'pg_version' => $version,
1880                         'sql_version' => '$LastChangedRevision$',
1881                         'sql_date' => '$LastChangedDate$',
1882                 ) );
1883         return;
1884 }