maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 require_once 'deleteDefaultMessages.php';
  15 # Extension updates
  16 require_once( "$IP/includes/Hooks.php" );
  17
  18 /**
  19  * List of update functions to call for each DB type, in sequence. First item
  20  * is function name, rest are parameters to pass.
  21  */
  22 $wgUpdates = array(
  23         'mysql' => array(
  24                 // 1.2
  25                 // update_passwords obsolete
  26                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28                 array( 'do_interwiki_update' ),
  29                 array( 'do_index_update' ),
  30                 // do_linkscc_update obsolete
  31                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34                 // 1.3
  35                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39                 // do_linkscc_1_3_update obsolete
  40                 array( 'do_old_links_update' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146                 array( 'update_password_format' ),
 147
 148                 // 1.14
 149                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 150                 array( 'do_active_users_init' ),
 151                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 152                 array( 'do_unique_pl_tl_il' ),
 153
 154                 // 1.15
 155                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 156                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 157                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 158                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 159                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 160         ),
 161
 162         'sqlite' => array(
 163                 // 1.14
 164                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 165                 array( 'do_active_users_init' ),
 166                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 167                 array( 'sqlite_initial_indexes' ),
 168
 169                 // 1.15
 170                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 171                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 172                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 173                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 174         ),
 175 );
 176
 177
 178 # For extensions only, should be populated via hooks
 179 # $wgDBtype should be checked to specifiy the proper file
 180 $wgExtNewTables = array(); // table, dir
 181 $wgExtNewFields = array(); // table, column, dir
 182 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 183 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 184 $wgExtNewIndexes = array(); // table, index, dir
 185
 186 # Helper function: check if the given key is present in the updatelog table.
 187 # Obviously, only use this for updates that occur after the updatelog table was
 188 # created!
 189 function update_row_exists( $key ) {
 190         $dbr = wfGetDB( DB_SLAVE );
 191         $row = $dbr->selectRow(
 192                 'updatelog',
 193                 '1',
 194                 array( 'ul_key' => $key ),
 195                 __FUNCTION__
 196         );
 197         return (bool)$row;
 198 }
 199
 200 function rename_table( $from, $to, $patch ) {
 201         global $wgDatabase;
 202         if ( $wgDatabase->tableExists( $from ) ) {
 203                 if ( $wgDatabase->tableExists( $to ) ) {
 204                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 205                 } else {
 206                         wfOut( "Moving table $from to $to..." );
 207                         dbsource( archive($patch), $wgDatabase );
 208                         wfOut( "ok\n" );
 209                 }
 210         } else {
 211                 // Source table does not exist
 212                 // Renames are done before creations, so this is typical for a new installation
 213                 // Ignore silently
 214         }
 215 }
 216
 217 function add_table( $name, $patch, $fullpath=false ) {
 218         global $wgDatabase;
 219         if ( $wgDatabase->tableExists( $name ) ) {
 220                 wfOut( "...$name table already exists.\n" );
 221         } else {
 222                 wfOut( "Creating $name table..." );
 223                 if( $fullpath ) {
 224                         dbsource( $patch, $wgDatabase );
 225                 } else {
 226                         dbsource( archive($patch), $wgDatabase );
 227                 }
 228                 wfOut( "ok\n" );
 229         }
 230 }
 231
 232 function add_field( $table, $field, $patch, $fullpath=false ) {
 233         global $wgDatabase;
 234         if ( !$wgDatabase->tableExists( $table ) ) {
 235                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 236         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 237                 wfOut( "...have $field field in $table table.\n" );
 238         } else {
 239                 wfOut( "Adding $field field to table $table..." );
 240                 if( $fullpath ) {
 241                         dbsource( $patch, $wgDatabase );
 242                 } else {
 243                         dbsource( archive($patch), $wgDatabase );
 244                 }
 245                 wfOut( "ok\n" );
 246         }
 247 }
 248
 249 function add_index( $table, $index, $patch, $fullpath=false ) {
 250         global $wgDatabase;
 251         if( $wgDatabase->indexExists( $table, $index ) ) {
 252                 wfOut( "...$index key already set on $table table.\n" );
 253         } else {
 254                 wfOut( "Adding $index key to table $table... " );
 255                 if( $fullpath ) {
 256                         dbsource( $patch, $wgDatabase );
 257                 } else {
 258                         dbsource( archive($patch), $wgDatabase );
 259                 }
 260                 wfOut( "ok\n" );
 261         }
 262 }
 263
 264 function do_revision_updates() {
 265         global $wgSoftwareRevision;
 266         if ( $wgSoftwareRevision < 1001 ) {
 267                 update_passwords();
 268         }
 269 }
 270
 271 function update_passwords() {
 272         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 273
 274         global $wgDatabase;
 275         $fname = "Update script: update_passwords()";
 276         wfOut( "\nIt appears that you need to update the user passwords in your\n" .
 277           "database. If you have already done this (if you've run this update\n" .
 278           "script once before, for example), doing so again will make all your\n" .
 279           "user accounts inaccessible, so be sure you only do this once.\n" .
 280           "Update user passwords? (yes/no)" );
 281
 282         $resp = readconsole();
 283     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 284
 285         $sql = "SELECT user_id,user_password FROM user";
 286         $source = $wgDatabase->query( $sql, $fname );
 287
 288         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 289                 $id = $row->user_id;
 290                 $oldpass = $row->user_password;
 291                 $newpass = md5( "{$id}-{$oldpass}" );
 292
 293                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 294                   "WHERE user_id={$id}";
 295                 $wgDatabase->query( $sql, $fname );
 296         }
 297 }
 298
 299 function do_interwiki_update() {
 300         # Check that interwiki table exists; if it doesn't source it
 301         global $wgDatabase, $IP;
 302         if( $wgDatabase->tableExists( "interwiki" ) ) {
 303                 wfOut( "...already have interwiki table\n" );
 304                 return true;
 305         }
 306         wfOut( "Creating interwiki table: " );
 307         dbsource( archive("patch-interwiki.sql") );
 308         wfOut( "ok\n" );
 309         wfOut( "Adding default interwiki definitions: " );
 310         dbsource( "$IP/maintenance/interwiki.sql" );
 311         wfOut( "ok\n" );
 312 }
 313
 314 function do_index_update() {
 315         # Check that proper indexes are in place
 316         global $wgDatabase;
 317         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 318         if( !$meta->isMultipleKey() ) {
 319                 wfOut( "Updating indexes to 20031107: " );
 320                 dbsource( archive("patch-indexes.sql") );
 321                 wfOut( "ok\n" );
 322                 return true;
 323         }
 324         wfOut( "...indexes seem up to 20031107 standards\n" );
 325         return false;
 326 }
 327
 328 function do_image_index_update() {
 329         global $wgDatabase;
 330
 331         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 332         if( !$meta->isMultipleKey() ) {
 333                 wfOut( "Updating indexes to 20050912: " );
 334                 dbsource( archive("patch-mimesearch-indexes.sql") );
 335                 wfOut( "ok\n" );
 336                 return true;
 337         }
 338         wfOut( "...indexes seem up to 20050912 standards\n" );
 339         return false;
 340 }
 341
 342 function do_image_name_unique_update() {
 343         global $wgDatabase;
 344         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 345                 wfOut( "...image primary key already set.\n" );
 346         } else {
 347                 wfOut( "Making img_name the primary key... " );
 348                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 349                 wfOut( "ok\n" );
 350         }
 351 }
 352
 353 function do_logging_timestamp_index() {
 354         global $wgDatabase;
 355         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 356                 wfOut( "...timestamp key on logging already exists.\n" );
 357         } else {
 358                 wfOut( "Adding timestamp key on logging table... " );
 359                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 360                 wfOut( "ok\n" );
 361         }
 362 }
 363
 364 function do_archive_user_index() {
 365         global $wgDatabase;
 366         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 367                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 368         } else {
 369                 wfOut( "Adding usertext,timestamp key on archive table... " );
 370                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 371                 wfOut( "ok\n" );
 372         }
 373 }
 374
 375 function do_image_user_index() {
 376         global $wgDatabase;
 377         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 378                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 379         } else {
 380                 wfOut( "Adding usertext,timestamp key on image table... " );
 381                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 382                 wfOut( "ok\n" );
 383         }
 384 }
 385
 386 function do_oldimage_user_index() {
 387         global $wgDatabase;
 388         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 389                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 390         } else {
 391                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 392                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 393                 wfOut( "ok\n" );
 394         }
 395 }
 396
 397 function do_watchlist_update() {
 398         global $wgDatabase;
 399         $fname = 'do_watchlist_update';
 400         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 401                 wfOut( "The watchlist table is already set up for email notification.\n" );
 402         } else {
 403                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 404                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 405                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 406                 wfOut( "ok\n" );
 407         }
 408         # Check if we need to add talk page rows to the watchlist
 409         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 410         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 411         if ( $talk != $nontalk ) {
 412                 wfOut( "Adding missing watchlist talk page rows... " );
 413                 flush();
 414
 415                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 416                         array(
 417                                 'wl_user' => 'wl_user',
 418                                 'wl_namespace' => 'wl_namespace | 1',
 419                                 'wl_title' => 'wl_title',
 420                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 421                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 422                 wfOut( "ok\n" );
 423         } else {
 424                 wfOut( "...watchlist talk page rows already present\n" );
 425         }
 426 }
 427
 428 function do_copy_newtalk_to_watchlist() {
 429         global $wgDatabase;
 430         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 431
 432         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 433                 $wgDatabase->tableName( 'user_newtalk' ) );
 434         $num_newtalks=$wgDatabase->numRows($res);
 435         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 436
 437         $user = new User();
 438         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 439                 $wluser = $wgDatabase->fetchObject( $res );
 440                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 441                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 442                                 $wgDatabase->replace( 'watchlist',
 443                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 444                                           array('wl_user'                       => 0,
 445                                                 'wl_namespace'                  => NS_USER_TALK,
 446                                                 'wl_title'                      => $wluser->user_ip,
 447                                                 'wl_notificationtimestamp'      => '19700101000000'
 448                                                 ), 'updaters.inc::do_watchlist_update2'
 449                                         );
 450                         }
 451                 } else { # normal users ... have user_ids
 452                         $user->setID($wluser->user_id);
 453                         $wgDatabase->replace( 'watchlist',
 454                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 455                                   array('wl_user'                       => $user->getID(),
 456                                         'wl_namespace'                  => NS_USER_TALK,
 457                                         'wl_title'                      => $user->getName(),
 458                                         'wl_notificationtimestamp'      => '19700101000000'
 459                                         ), 'updaters.inc::do_watchlist_update3'
 460                                 );
 461                 }
 462         }
 463         wfOut( "Done.\n" );
 464 }
 465
 466
 467 function do_user_update() {
 468         global $wgDatabase;
 469         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 470                 wfOut( "User table contains old email authentication field. Dropping... " );
 471                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 472                 wfOut( "ok\n" );
 473         } else {
 474                 wfOut( "...user table does not contain old email authentication field.\n" );
 475         }
 476 }
 477
 478 /**
 479  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 480  * which causes a collation mismatch error on joins in MySQL 4.1.
 481  */
 482 function check_bin( $table, $field, $patchFile ) {
 483         global $wgDatabase, $wgDBtype;
 484         if ($wgDBtype != 'mysql')
 485                 return;
 486         $tableName = $wgDatabase->tableName( $table );
 487         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 488         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 489         $wgDatabase->freeResult( $res );
 490
 491         if( in_array( 'binary', $flags ) ) {
 492                 wfOut( "$table table has correct $field encoding.\n" );
 493         } else {
 494                 wfOut( "Fixing $field encoding on $table table... " );
 495                 dbsource( archive( $patchFile ), $wgDatabase );
 496                 wfOut( "ok\n" );
 497         }
 498 }
 499
 500 function do_schema_restructuring() {
 501         global $wgDatabase;
 502         $fname="do_schema_restructuring";
 503         if ( $wgDatabase->tableExists( 'page' ) ) {
 504                 wfOut( "...page table already exists.\n" );
 505         } else {
 506                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 507                 wfOut( wfTimestamp( TS_DB ) );
 508                 wfOut( "......checking for duplicate entries.\n" );
 509
 510                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 511
 512                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 513                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 514
 515                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 516                         wfOut( wfTimestamp( TS_DB ) );
 517                         wfOut( "......<b>Found duplicate entries</b>\n" );
 518                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 519                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 520                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 521                                         $duplicate[$row->cur_namespace] = array();
 522                                 }
 523                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 524                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 525                         }
 526                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 527                         $firstCond = true;
 528                         foreach ( $duplicate as $ns => $titles ) {
 529                                 if ( $firstCond ) {
 530                                         $firstCond = false;
 531                                 } else {
 532                                         $sql .= ' OR ';
 533                                 }
 534                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 535                                 $first = true;
 536                                 foreach ( $titles as $t ) {
 537                                         if ( $first ) {
 538                                                 $sql .= $wgDatabase->addQuotes( $t );
 539                                                 $first = false;
 540                                         } else {
 541                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 542                                         }
 543                                 }
 544                                 $sql .= ") ) \n";
 545                         }
 546                         # By sorting descending, the most recent entry will be the first in the list.
 547                         # All following entries will be deleted by the next while-loop.
 548                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 549
 550                         $rows = $wgDatabase->query( $sql, $fname );
 551
 552                         $prev_title = $prev_namespace = false;
 553                         $deleteId = array();
 554
 555                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 556                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 557                                         $deleteId[] = $row->cur_id;
 558                                 }
 559                                 $prev_title     = $row->cur_title;
 560                                 $prev_namespace = $row->cur_namespace;
 561                         }
 562                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 563                         $rows = $wgDatabase->query( $sql, $fname );
 564                         wfOut( wfTimestamp( TS_DB ) );
 565                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 566                 }
 567
 568
 569                 wfOut( wfTimestamp( TS_DB ) );
 570                 wfOut( "......Creating tables.\n" );
 571                 $wgDatabase->query("CREATE TABLE $page (
 572                         page_id int(8) unsigned NOT NULL auto_increment,
 573                         page_namespace int NOT NULL,
 574                         page_title varchar(255) binary NOT NULL,
 575                         page_restrictions tinyblob NOT NULL,
 576                         page_counter bigint(20) unsigned NOT NULL default '0',
 577                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 578                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 579                         page_random real unsigned NOT NULL,
 580                         page_touched char(14) binary NOT NULL default '',
 581                         page_latest int(8) unsigned NOT NULL,
 582                         page_len int(8) unsigned NOT NULL,
 583
 584                         PRIMARY KEY page_id (page_id),
 585                         UNIQUE INDEX name_title (page_namespace,page_title),
 586                         INDEX (page_random),
 587                         INDEX (page_len)
 588                         ) ENGINE=InnoDB", $fname );
 589                 $wgDatabase->query("CREATE TABLE $revision (
 590                         rev_id int(8) unsigned NOT NULL auto_increment,
 591                         rev_page int(8) unsigned NOT NULL,
 592                         rev_comment tinyblob NOT NULL,
 593                         rev_user int(5) unsigned NOT NULL default '0',
 594                         rev_user_text varchar(255) binary NOT NULL default '',
 595                         rev_timestamp char(14) binary NOT NULL default '',
 596                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 597                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 598                         rev_len int(8) unsigned,
 599                         rev_parent_id int(8) unsigned default NULL,
 600                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 601                         UNIQUE INDEX rev_id (rev_id),
 602                         INDEX rev_timestamp (rev_timestamp),
 603                         INDEX page_timestamp (rev_page,rev_timestamp),
 604                         INDEX user_timestamp (rev_user,rev_timestamp),
 605                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 606                         ) ENGINE=InnoDB", $fname );
 607
 608                 wfOut( wfTimestamp( TS_DB ) );
 609                 wfOut( "......Locking tables.\n" );
 610                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 611
 612                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 613                 wfOut( wfTimestamp( TS_DB ) );
 614                 wfOut( "......maxold is {$maxold}\n" );
 615
 616                 wfOut( wfTimestamp( TS_DB ) );
 617                 global $wgLegacySchemaConversion;
 618                 if( $wgLegacySchemaConversion ) {
 619                         // Create HistoryBlobCurStub entries.
 620                         // Text will be pulled from the leftover 'cur' table at runtime.
 621                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 622                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 623                         $cur_flags = "'object'";
 624                 } else {
 625                         // Copy all cur text in immediately: this may take longer but avoids
 626                         // having to keep an extra table around.
 627                         wfOut( "......Moving text from cur.\n" );
 628                         $cur_text = 'cur_text';
 629                         $cur_flags = "''";
 630                 }
 631                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 632                                 old_timestamp, old_minor_edit, old_flags)
 633                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 634                         FROM $cur", $fname );
 635
 636                 wfOut( wfTimestamp( TS_DB ) );
 637                 wfOut( "......Setting up revision table.\n" );
 638                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 639                                 rev_minor_edit)
 640                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 641                                 old_timestamp, old_minor_edit
 642                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 643
 644                 wfOut( wfTimestamp( TS_DB ) );
 645                 wfOut( "......Setting up page table.\n" );
 646                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 647                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 648                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 649                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 650                         FROM $cur,$revision
 651                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 652
 653                 wfOut( wfTimestamp( TS_DB ) );
 654                 wfOut( "......Unlocking tables.\n" );
 655                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 656
 657                 wfOut( wfTimestamp( TS_DB ) );
 658                 wfOut( "......Renaming old.\n" );
 659                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 660
 661                 wfOut( wfTimestamp( TS_DB ) );
 662                 wfOut( "...done.\n" );
 663         }
 664 }
 665
 666 function do_inverse_timestamp() {
 667         global $wgDatabase;
 668         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 669                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 670                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 671                 wfOut( "ok\n" );
 672         } else {
 673                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 674         }
 675 }
 676
 677 function do_text_id() {
 678         global $wgDatabase;
 679         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 680                 wfOut( "...rev_text_id already in place.\n" );
 681         } else {
 682                 wfOut( "Adding rev_text_id field... " );
 683                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 684                 wfOut( "ok\n" );
 685         }
 686 }
 687
 688 function do_namespace_size() {
 689         $tables = array(
 690                 'page'          => 'page',
 691                 'archive'       => 'ar',
 692                 'recentchanges' => 'rc',
 693                 'watchlist'     => 'wl',
 694                 'querycache'    => 'qc',
 695                 'logging'       => 'log',
 696         );
 697         foreach( $tables as $table => $prefix ) {
 698                 do_namespace_size_on( $table, $prefix );
 699                 flush();
 700         }
 701 }
 702
 703 function do_namespace_size_on( $table, $prefix ) {
 704         global $wgDatabase, $wgDBtype;
 705         if ($wgDBtype != 'mysql')
 706                 return;
 707         $field = $prefix . '_namespace';
 708
 709         $tablename = $wgDatabase->tableName( $table );
 710         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 711         $info = $wgDatabase->fetchObject( $result );
 712         $wgDatabase->freeResult( $result );
 713
 714         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 715                 wfOut( "...$field is already a full int ($info->Type).\n" );
 716         } else {
 717                 wfOut( "Promoting $field from $info->Type to int... " );
 718
 719                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 720                 $wgDatabase->query( $sql );
 721
 722                 wfOut( "ok\n" );
 723         }
 724 }
 725
 726 function do_pagelinks_update() {
 727         global $wgDatabase;
 728         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 729                 wfOut( "...already have pagelinks table.\n" );
 730         } else {
 731                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 732                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 733                 wfOut( "ok\n" );
 734                 flush();
 735
 736                 global $wgCanonicalNamespaceNames;
 737                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 738                         if( $ns != 0 ) {
 739                                 do_pagelinks_namespace( $ns );
 740                         }
 741                 }
 742         }
 743 }
 744
 745 function do_pagelinks_namespace( $namespace ) {
 746         global $wgDatabase, $wgContLang;
 747
 748         $ns = intval( $namespace );
 749         wfOut( "Cleaning up broken links for namespace $ns... " );
 750
 751         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 752         $name = $wgContLang->getNsText( $ns );
 753         $prefix = $wgDatabase->strencode( $name );
 754         $likeprefix = str_replace( '_', '\\_', $prefix);
 755
 756         $sql = "UPDATE $pagelinks
 757                    SET pl_namespace=$ns,
 758                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 759                  WHERE pl_namespace=0
 760                    AND pl_title LIKE '$likeprefix:%'";
 761
 762         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 763         wfOut( "ok\n" );
 764 }
 765
 766 function do_drop_img_type() {
 767         global $wgDatabase;
 768
 769         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 770                 wfOut( "Dropping unused img_type field in image table... " );
 771                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 772                 wfOut( "ok\n" );
 773         } else {
 774                 wfOut( "No img_type field in image table; Good.\n" );
 775         }
 776 }
 777
 778 function do_old_links_update() {
 779         global $wgDatabase;
 780         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 781                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 782         } else {
 783                 convertLinks(); flush();
 784         }
 785 }
 786
 787 function do_user_unique_update() {
 788         global $wgDatabase;
 789         $duper = new UserDupes( $wgDatabase );
 790         if( $duper->hasUniqueIndex() ) {
 791                 wfOut( "Already have unique user_name index.\n" );
 792         } else {
 793                 if( !$duper->clearDupes() ) {
 794                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 795                 }
 796                 wfOut( "Adding unique index on user_name... " );
 797                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 798                 wfOut( "ok\n" );
 799         }
 800 }
 801
 802 function do_user_groups_update() {
 803         $fname = 'do_user_groups_update';
 804         global $wgDatabase;
 805
 806         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 807                 wfOut( "...user_groups table already exists.\n" );
 808                 return do_user_groups_reformat();
 809         }
 810
 811         wfOut( "Adding user_groups table... " );
 812         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 813         wfOut( "ok\n" );
 814
 815         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 816                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 817                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 818                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 819                         wfOut( "ok\n" );
 820                 } else {
 821                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 822                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 823                         wfOut( "*** the user_groups table.\n" );
 824                         return;
 825                 }
 826         }
 827
 828         wfOut( "Converting user_rights table to user_groups... " );
 829         $result = $wgDatabase->select( 'user_rights',
 830                 array( 'ur_user', 'ur_rights' ),
 831                 array( "ur_rights != ''" ),
 832                 $fname );
 833
 834         while( $row = $wgDatabase->fetchObject( $result ) ) {
 835                 $groups = array_unique(
 836                         array_map( 'trim',
 837                                 explode( ',', $row->ur_rights ) ) );
 838
 839                 foreach( $groups as $group ) {
 840                         $wgDatabase->insert( 'user_groups',
 841                                 array(
 842                                         'ug_user'  => $row->ur_user,
 843                                         'ug_group' => $group ),
 844                                 $fname );
 845                 }
 846         }
 847         $wgDatabase->freeResult( $result );
 848         wfOut( "ok\n" );
 849 }
 850
 851 function do_user_groups_reformat() {
 852         # Check for bogus formats from previous 1.5 alpha code.
 853         global $wgDatabase;
 854         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 855
 856         if( $info->type() == 'int' ) {
 857                 $oldug = $wgDatabase->tableName( 'user_groups' );
 858                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 859                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 860                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 861                 wfOut( "ok\n" );
 862
 863                 wfOut( "Re-adding fresh user_groups table... " );
 864                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 865                 wfOut( "ok\n" );
 866
 867                 wfOut( "***\n" );
 868                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 869                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 870                 wfOut( "***\n" );
 871         } else {
 872                 wfOut( "...user_groups is in current format.\n" );
 873         }
 874
 875 }
 876
 877 function do_watchlist_null() {
 878         # Make sure wl_notificationtimestamp can be NULL,
 879         # and update old broken items.
 880         global $wgDatabase;
 881         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 882
 883         if( !$info->nullable() ) {
 884                 wfOut( "Making wl_notificationtimestamp nullable... " );
 885                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 886                 wfOut( "ok\n" );
 887         } else {
 888                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 889         }
 890
 891 }
 892
 893 /**
 894  * @bug 3946
 895  */
 896 function do_page_random_update() {
 897         global $wgDatabase;
 898
 899         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 900
 901         $page = $wgDatabase->tableName( 'page' );
 902         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 903         $rows = $wgDatabase->affectedRows();
 904
 905         wfOut( "changed $rows rows\n" );
 906 }
 907
 908 function do_templatelinks_update() {
 909         global $wgDatabase, $wgLoadBalancer;
 910         $fname = 'do_templatelinks_update';
 911
 912         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 913                 wfOut( "...templatelinks table already exists\n" );
 914                 return;
 915         }
 916         wfOut( "Creating templatelinks table...\n" );
 917         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 918         wfOut( "Populating...\n" );
 919         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 920                 // Slow, replication-friendly update
 921                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 922                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 923                 $count = 0;
 924                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 925                         $count = ($count + 1) % 100;
 926                         if ( $count == 0 ) {
 927                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 928                                         wfWaitForSlaves( 10 );
 929                                 } else {
 930                                         sleep( 1 );
 931                                 }
 932                         }
 933                         $wgDatabase->insert( 'templatelinks',
 934                                 array(
 935                                         'tl_from' => $row->pl_from,
 936                                         'tl_namespace' => $row->pl_namespace,
 937                                         'tl_title' => $row->pl_title,
 938                                 ), $fname
 939                         );
 940
 941                 }
 942                 $wgDatabase->freeResult( $res );
 943         } else {
 944                 // Fast update
 945                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 946                         array(
 947                                 'tl_from' => 'pl_from',
 948                                 'tl_namespace' => 'pl_namespace',
 949                                 'tl_title' => 'pl_title'
 950                         ), array(
 951                                 'pl_namespace' => 10
 952                         ), $fname
 953                 );
 954         }
 955         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 956 }
 957
 958 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 959 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 960 function do_rc_indices_update() {
 961         global $wgDatabase;
 962         wfOut( "Checking for additional recent changes indices...\n" );
 963
 964         $indexes = array(
 965                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 966                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 967         );
 968
 969         foreach( $indexes as $index => $patch ) {
 970                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 971                 if( !$info ) {
 972                         wfOut( "...index `{$index}` not found; adding..." );
 973                         dbsource( archive( $patch ) );
 974                         wfOut( "done.\n" );
 975                 } else {
 976                         wfOut( "...index `{$index}` seems ok.\n" );
 977                 }
 978         }
 979 }
 980
 981 function index_has_field($table, $index, $field) {
 982         global $wgDatabase;
 983         wfOut( "Checking if $table index $index includes field $field...\n" );
 984         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 985         if( $info ) {
 986                 foreach($info as $row) {
 987                         if($row->Column_name == $field) {
 988                                 wfOut( "...index $index on table $table seems to be ok\n" );
 989                                 return true;
 990                         }
 991                 }
 992         }
 993         wfOut( "...index $index on table $table has no field $field; adding\n" );
 994         return false;
 995 }
 996
 997 function do_backlinking_indices_update() {
 998         wfOut( "Checking for backlinking indices...\n" );
 999         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
1000                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
1001                 !index_has_field('imagelinks', 'il_to', 'il_from'))
1002         {
1003                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
1004                 wfOut( "...backlinking indices updated\n" );
1005         }
1006 }
1007
1008 function do_categorylinks_indices_update() {
1009         wfOut( "Checking for categorylinks indices...\n" );
1010         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1011         {
1012                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
1013                 wfOut( "...categorylinks indices updated\n" );
1014         }
1015 }
1016
1017 function do_filearchive_indices_update() {
1018         global $wgDatabase;
1019         wfOut( "Checking filearchive indices...\n" );
1020         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1021         if ( !$info )
1022         {
1023                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1024                 wfOut( "...filearchive indices updated\n" );
1025         }
1026 }
1027
1028 function maybe_do_profiling_memory_update() {
1029         global $wgDatabase;
1030         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1031                 // Simply ignore
1032         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1033                 wfOut( "profiling table has pf_memory field.\n" );
1034         } else {
1035                 wfOut( "Adding pf_memory field to table profiling..." );
1036                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1037                 wfOut( "ok\n" );
1038         }
1039 }
1040
1041 function do_stats_init() {
1042         // Sometimes site_stats table is not properly populated.
1043         global $wgDatabase;
1044         wfOut( "Checking site_stats row..." );
1045         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1046         if( $row === false ) {
1047                 wfOut( "data is missing! rebuilding...\n" );
1048         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1049                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1050         } else {
1051                 wfOut( "ok.\n" );
1052                 return;
1053         }
1054
1055         global $IP;
1056         require_once "$IP/maintenance/initStats.inc";
1057         wfInitStats();
1058 }
1059
1060 function do_active_users_init() {
1061         global $wgDatabase;
1062         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1063         if( $activeUsers == -1 ) {
1064                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1065                         'COUNT( DISTINCT rc_user_text )',
1066                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1067                 );
1068                 $wgDatabase->update( 'site_stats',
1069                         array( 'ss_active_users' => intval($activeUsers) ),
1070                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1071                 );
1072         }
1073         wfOut( "...ss_active_users user count set...\n" );
1074 }
1075
1076 function purge_cache() {
1077         global $wgDatabase;
1078         # We can't guarantee that the user will be able to use TRUNCATE,
1079         # but we know that DELETE is available to us
1080         wfOut( "Purging caches..." );
1081         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1082         wfOut( "done.\n" );
1083 }
1084
1085 function do_all_updates( $shared = false, $purge = true ) {
1086         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1087
1088         wfRunHooks('LoadExtensionSchemaUpdates');
1089
1090         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1091
1092         if ($wgDBtype === 'postgres') {
1093                 do_postgres_updates();
1094                 return;
1095         }
1096
1097         # Run core updates in sequence...
1098         global $wgUpdates;
1099         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1100                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1101                         $func = array_shift( $params );
1102                         call_user_func_array( $func, $params );
1103                         flush();
1104                 }
1105         }
1106
1107         /// @fixme clean up this mess too!
1108         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1109         # Add missing extension tables
1110         foreach ( $wgExtNewTables as $tableRecord ) {
1111                 add_table( $tableRecord[0], $tableRecord[1], true );
1112                 flush();
1113         }
1114         # Add missing extension fields
1115         foreach ( $wgExtNewFields as $fieldRecord ) {
1116                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1117                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1118                 }
1119                 flush();
1120         }
1121         # Add missing extension indexes
1122         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1123                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1124                 flush();
1125         }
1126
1127
1128         wfOut( "Deleting old default messages (this may take a long time!)..." );
1129         deleteDefaultMessages();
1130         wfOut( "Done\n" );
1131
1132         do_stats_init();
1133
1134         if( $purge ) {
1135                 purge_cache();
1136         }
1137 }
1138
1139 function archive($name) {
1140         global $wgDBtype, $IP;
1141         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1142                 return "$IP/maintenance/$wgDBtype/archives/$name";
1143         } else {
1144                 return "$IP/maintenance/archives/$name";
1145         }
1146 }
1147
1148 function do_restrictions_update() {
1149         # Adding page_restrictions table, obsoleting page.page_restrictions.
1150         #  Migrating old restrictions to new table
1151         # -- Andrew Garrett, January 2007.
1152
1153         global $wgDatabase;
1154
1155         $name = 'page_restrictions';
1156         $patch = 'patch-page_restrictions.sql';
1157         $patch2 = 'patch-page_restrictions_sortkey.sql';
1158
1159         if ( $wgDatabase->tableExists( $name ) ) {
1160                 wfOut( "...$name table already exists.\n" );
1161         } else {
1162                 wfOut( "Creating $name table..." );
1163                 dbsource( archive($patch), $wgDatabase );
1164                 dbsource( archive($patch2), $wgDatabase );
1165                 wfOut( "ok\n" );
1166
1167                 wfOut( "Migrating old restrictions to new table..." );
1168
1169                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1170
1171                 $count = 0;
1172
1173                 while ($row = $wgDatabase->fetchObject($res) ) {
1174                         $count = ($count + 1) % 100;
1175
1176                         if ($count == 0) {
1177                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1178                                         wfWaitForSlaves( 10 );
1179                                 } else {
1180                                         sleep( 1 );
1181                                 }
1182                         }
1183
1184                         # Figure out what the restrictions are..
1185                         $id = $row->page_id;
1186                         $flatrestrictions = explode( ':', $row->page_restrictions );
1187
1188                         $restrictions = array ();
1189                         foreach( $flatrestrictions as $restriction ) {
1190                                 $thisrestriction = explode( '=', $restriction, 2 );
1191                                 if( count( $thisrestriction ) == 1 ) {
1192                                         // Compatibility with old protections from before
1193                                         // separate move protection was added.
1194                                         list( $level ) = $thisrestriction;
1195                                         if( $level ) {
1196                                                 $restrictions['edit'] = $level;
1197                                                 $restrictions['move'] = $level;
1198                                         }
1199                                 } else {
1200                                         list( $type, $level ) = $thisrestriction;
1201                                         if( $level ) {
1202                                                 $restrictions[$type] = $level;
1203                                         }
1204                                 }
1205
1206                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1207
1208                         }
1209
1210                         foreach( $restrictions as $type => $level ) {
1211                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1212                                                                                         'pr_type' => $type,
1213                                                                                         'pr_level' => $level,
1214                                                                                         'pr_cascade' => 0,
1215                                                                                         'pr_expiry' => 'infinity' ),
1216                                                                                         __METHOD__ );
1217                         }
1218                 }
1219                 wfOut( "ok\n" );
1220         }
1221 }
1222
1223 function do_category_population() {
1224         if( update_row_exists( 'populate category' ) ) {
1225                 wfOut( "...category table already populated.\n" );
1226                 return;
1227         }
1228         require_once( 'populateCategory.inc' );
1229         wfOut( "Populating category table, printing progress markers.  " ).
1230 "For large databases, you\n".
1231 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1232 "populateCategory.php.\n";
1233         populateCategory( '', 10, 0, true );
1234         wfOut( "Done populating category table.\n" );
1235 }
1236
1237 function do_populate_parent_id() {
1238         if( update_row_exists( 'populate rev_parent_id' ) ) {
1239                 wfOut( "...rev_parent_id column already populated.\n" );
1240                 return;
1241         }
1242         require_once( 'populateParentId.inc' );
1243
1244         global $wgDatabase;
1245         populate_rev_parent_id( $wgDatabase );
1246 }
1247
1248 function update_password_format() {
1249         if ( update_row_exists( 'password format' ) ) {
1250                 wfOut( "...password hash format already changed\n" );
1251                 return;
1252         }
1253
1254         wfOut( "Updating password hash format..." );
1255
1256         global $wgDatabase, $wgPasswordSalt;
1257         $user = $wgDatabase->tableName( 'user' );
1258         if ( $wgPasswordSalt ) {
1259                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1260                         "WHERE user_password NOT LIKE ':%'";
1261         } else {
1262                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1263                         "WHERE user_password NOT LIKE ':%'";
1264         }
1265         $wgDatabase->query( $sql, __METHOD__ );
1266         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1267
1268         wfOut( "done\n" );
1269 }
1270
1271 function sqlite_initial_indexes() {
1272         global $wgDatabase;
1273         if ( update_row_exists( 'initial_indexes' ) ) {
1274                 wfOut( "...have initial indexes\n" );
1275                 return;
1276         }
1277         wfOut( "Adding initial indexes..." );
1278         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1279         wfOut( "done\n" );
1280 }
1281
1282 function do_unique_pl_tl_il() {
1283         global $wgDatabase;
1284         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1285         if( is_array($info) && !$info[0]->Non_unique ) {
1286                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1287         } else {
1288                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1289                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1290                 wfOut( "ok\n" );
1291         }
1292 }
1293
1294 /***********************************************************************
1295  * Start PG crap
1296  * TODO: merge with above
1297  ***********************************************************************/
1298
1299 function
1300 pg_describe_table($table)
1301 {
1302 global  $wgDatabase, $wgDBmwschema;
1303         $q = <<<END
1304 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1305         WHERE pg_class.relnamespace = pg_namespace.oid
1306           AND attrelid=pg_class.oid AND attnum > 0
1307           AND relname=%s AND nspname=%s
1308 END;
1309         $res = $wgDatabase->query(sprintf($q,
1310                         $wgDatabase->addQuotes($table),
1311                         $wgDatabase->addQuotes($wgDBmwschema)));
1312         if (!$res)
1313                 return null;
1314
1315         $cols = array();
1316         while ($r = $wgDatabase->fetchRow($res)) {
1317                 $cols[] = array(
1318                                 "name" => $r[0],
1319                                 "ord" => $r[1],
1320                         );
1321         }
1322         return $cols;
1323 }
1324
1325 function
1326 pg_describe_index($idx)
1327 {
1328 global  $wgDatabase, $wgDBmwschema;
1329
1330         // first fetch the key (which is a list of columns ords) and
1331         // the table the index applies to (an oid)
1332         $q = <<<END
1333 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1334         WHERE nspname=%s
1335           AND pg_class.relnamespace = pg_namespace.oid
1336           AND relname=%s
1337           AND indexrelid=pg_class.oid
1338 END;
1339         $res = $wgDatabase->query(sprintf($q,
1340                         $wgDatabase->addQuotes($wgDBmwschema),
1341                         $wgDatabase->addQuotes($idx)));
1342         if (!$res)
1343                 return null;
1344         if (!($r = $wgDatabase->fetchRow($res))) {
1345                 $wgDatabase->freeResult($res);
1346                 return null;
1347         }
1348
1349         $indkey = $r[0];
1350         $relid = intval($r[1]);
1351         $indkeys = explode(" ", $indkey);
1352         $wgDatabase->freeResult($res);
1353
1354         $colnames = array();
1355         foreach ($indkeys as $rid) {
1356                 $query = <<<END
1357 SELECT attname FROM pg_class, pg_attribute
1358         WHERE attrelid=$relid
1359           AND attnum=%d
1360           AND attrelid=pg_class.oid
1361 END;
1362                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1363                 if (!$r2)
1364                         return null;
1365                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1366                         $wgDatabase->freeResult($r2);
1367                         return null;
1368                 }
1369                 $colnames[] = $row2[0];
1370                 $wgDatabase->freeResult($r2);
1371         }
1372
1373         return $colnames;
1374 }
1375
1376 function
1377 pg_index_exists($table, $index)
1378 {
1379 global  $wgDatabase, $wgDBmwschema;
1380         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1381                         array(  "indexname" => $index,
1382                                 "tablename" => $table,
1383                                 "schemaname" => $wgDBmwschema));
1384         return $exists === $index;
1385 }
1386
1387 function
1388 pg_fkey_deltype($fkey)
1389 {
1390 global  $wgDatabase, $wgDBmwschema;
1391         $q = <<<END
1392 SELECT confdeltype FROM pg_constraint, pg_namespace
1393         WHERE connamespace=pg_namespace.oid
1394           AND nspname=%s
1395           AND conname=%s;
1396 END;
1397         $r = $wgDatabase->query(sprintf($q,
1398                 $wgDatabase->addQuotes($wgDBmwschema),
1399                 $wgDatabase->addQuotes($fkey)));
1400         if (!($row = $wgDatabase->fetchRow($r)))
1401                 return null;
1402         return $row[0];
1403 }
1404
1405 function
1406 pg_rule_def($table, $rule)
1407 {
1408 global  $wgDatabase, $wgDBmwschema;
1409         $q = <<<END
1410 SELECT definition FROM pg_rules
1411         WHERE schemaname = %s
1412           AND tablename = %s
1413           AND rulename = %s
1414 END;
1415         $r = $wgDatabase->query(sprintf($q,
1416                         $wgDatabase->addQuotes($wgDBmwschema),
1417                         $wgDatabase->addQuotes($table),
1418                         $wgDatabase->addQuotes($rule)));
1419         $row = $wgDatabase->fetchRow($r);
1420         if (!$row)
1421                 return null;
1422         $d = $row[0];
1423         $wgDatabase->freeResult($r);
1424         return $d;
1425 }
1426
1427 function do_postgres_updates() {
1428         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1429
1430         ## Gather version numbers in case we need them
1431         $version = $wgDatabase->getServerVersion(); ## long string
1432         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1433
1434         $wgShowExceptionDetails = 1;
1435
1436         # Just in case their LocalSettings.php does not have this:
1437         if ( !isset( $wgDBmwschema ))
1438                 $wgDBmwschema = 'mediawiki';
1439
1440         # Verify that this user is configured correctly
1441         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1442         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1443         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1444         $conf = array();
1445         foreach( explode( '*', $config ) as $c ) {
1446                 list( $x,$y ) = explode( '=', $c );
1447                 $conf[$x] = $y;
1448         }
1449         if( !array_key_exists( 'search_path', $conf ) ) {
1450                 $search_path = '';
1451         }
1452         else {
1453                 $search_path = $conf['search_path'];
1454         }
1455         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1456                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1457                 $search_path = "$wgDBmwschema, $search_path";
1458         }
1459         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1460                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1461                 $search_path = "$search_path, $wgDBts2schema";
1462         }
1463         $search_path = str_replace( ', ,', ',', $search_path);
1464         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1465                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1466                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1467         }
1468         else {
1469                 $path = $conf['search_path'];
1470                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1471         }
1472         $goodconf = array(
1473                 'client_min_messages' => 'error',
1474                 'DateStyle'           => 'ISO, YMD',
1475                 'TimeZone'            => 'GMT'
1476         );
1477         foreach( array_keys( $goodconf ) AS $key ) {
1478                 $value = $goodconf[$key];
1479                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1480                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1481                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1482                         $wgDatabase->doQuery( "SET $key = '$value'" );
1483                 }
1484                 else {
1485                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1486                 }
1487         }
1488
1489         $newsequences = array(
1490                 "log_log_id_seq",
1491                 "pr_id_val",
1492         );
1493
1494         $newtables = array(
1495                 array("category",          "patch-category.sql"),
1496                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1497                 array("mwuser",            "patch-mwuser.sql"),
1498                 array("pagecontent",       "patch-pagecontent.sql"),
1499                 array("querycachetwo",     "patch-querycachetwo.sql"),
1500                 array("page_props",        "patch-page_props.sql"),
1501                 array("page_restrictions", "patch-page_restrictions.sql"),
1502                 array("profiling",         "patch-profiling.sql"),
1503                 array("protected_titles",  "patch-protected_titles.sql"),
1504                 array("redirect",          "patch-redirect.sql"),
1505                 array("updatelog",         "patch-updatelog.sql"),
1506                 array('change_tag',        'patch-change_tag.sql'),
1507                 array('tag_summary',       'patch-change_tag.sql'),
1508                 array('valid_tag',         'patch-change_tag.sql'),
1509                 array('user_properties',   'patch-user_properties.sql'),
1510         );
1511
1512         $newcols = array(
1513                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1514                 array("archive",       "ar_len",               "INTEGER"),
1515                 array("archive",       "ar_page_id",           "INTEGER"),
1516                 array("archive",       "ar_parent_id",         "INTEGER"),
1517                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1518                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1519                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1520                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1521                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1522                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1523                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1524                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1525                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1526                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1527                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1528                 array("logging",       "log_params",           "TEXT"),
1529                 array("mwuser",        "user_editcount",       "INTEGER"),
1530                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1531                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1532                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1533                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1534                 array("oldimage",      "oi_media_type",        "TEXT"),
1535                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1536                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1537                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1538                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1539                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1540                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1541                 array("recentchanges", "rc_log_action",        "TEXT"),
1542         array("recentchanges", "rc_log_type",          "TEXT"),
1543         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1544                 array("recentchanges", "rc_new_len",           "INTEGER"),
1545                 array("recentchanges", "rc_old_len",           "INTEGER"),
1546                 array("recentchanges", "rc_params",            "TEXT"),
1547                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1548                 array("revision",      "rev_len",              "INTEGER"),
1549                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1550                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1551                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1552         );
1553
1554
1555         # table, column, desired type, USING clause if needed (with new default if needed)
1556         $typechanges = array(
1557                 array("archive",      "ar_deleted",      "smallint", ""),
1558                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1559                 array("filearchive",  "fa_deleted",      "smallint", ""),
1560                 array("filearchive",  "fa_height",       "integer",  ""),
1561                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1562                 array("filearchive",  "fa_size",         "integer",  ""),
1563                 array("filearchive",  "fa_width",        "integer",  ""),
1564                 array("filearchive",  "fa_storage_group","text",     ""),
1565                 array("filearchive",  "fa_storage_key",  "text",     ""),
1566                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1567                 array("image",        "img_size",        "integer",  ""),
1568                 array("image",        "img_width",       "integer",  ""),
1569                 array("image",        "img_height",      "integer",  ""),
1570                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1571                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1572                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1573                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1574                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1575                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1576                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1577                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1578                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1579                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1580                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1581                 array("mwuser",       "user_token",      "text",     ""),
1582                 array("mwuser",       "user_email_token","text",     ""),
1583                 array("objectcache",  "keyname",         "text",     ""),
1584                 array("oldimage",     "oi_height",       "integer",  ""),
1585                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1586                 array("oldimage",     "oi_size",         "integer",  ""),
1587                 array("oldimage",     "oi_width",        "integer",  ""),
1588                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1589                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1590                 array("querycache",   "qc_value",        "integer",  ""),
1591                 array("querycachetwo","qcc_value",       "integer",  ""),
1592                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1593                 array("recentchanges","rc_deleted",      "smallint", ""),
1594                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1595                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1596                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1597                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1598                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1599                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1600                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1601                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1602         );
1603
1604         # table, column, nullability
1605         $nullchanges = array(
1606                 array("oldimage", "oi_bits",       "NULL"),
1607                 array("oldimage", "oi_timestamp",  "NULL"),
1608                 array("oldimage", "oi_major_mime", "NULL"),
1609                 array("oldimage", "oi_minor_mime", "NULL"),
1610         );
1611
1612         $newindexes = array(
1613                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1614                 array("image",         "img_sha1",           "(img_sha1)"),
1615                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1616                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1617                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1618                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1619                 array("watchlist",     "wl_user",            "(wl_user)"),
1620         );
1621
1622         $newrules = array(
1623         );
1624
1625         foreach ($newsequences as $ns) {
1626                 if ($wgDatabase->sequenceExists($ns)) {
1627                         wfOut( "... sequence \"$ns\" already exists\n" );
1628                         continue;
1629                 }
1630
1631                 wfOut( "Creating sequence \"$ns\"\n" );
1632                 $wgDatabase->query("CREATE SEQUENCE $ns");
1633         }
1634
1635         foreach ($newtables as $nt) {
1636                 if ($wgDatabase->tableExists($nt[0])) {
1637                         wfOut( "... table \"$nt[0]\" already exists\n" );
1638                         continue;
1639                 }
1640
1641                 wfOut( "Creating table \"$nt[0]\"\n" );
1642                 dbsource(archive($nt[1]));
1643         }
1644
1645         ## Needed before newcols
1646         if ($wgDatabase->tableExists("archive2")) {
1647                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1648                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1649                         wfOut( "Dropping rule \"archive_insert\"\n" );
1650                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1651                 }
1652                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1653                         wfOut( "Dropping rule \"archive_delete\"\n" );
1654                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1655                 }
1656                 dbsource(archive("patch-remove-archive2.sql"));
1657         }
1658         else
1659                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1660
1661         foreach ($newcols as $nc) {
1662                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1663                 if (!is_null($fi)) {
1664                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1665                         continue;
1666                 }
1667
1668                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1669                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1670         }
1671
1672         foreach ($typechanges as $tc) {
1673                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1674                 if (is_null($fi)) {
1675                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1676                         exit(1);
1677                 }
1678
1679                 if ($fi->type() === $tc[2])
1680                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1681                 else {
1682                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1683                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1684                         if (strlen($tc[3])) {
1685                                 $default = array();
1686                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1687                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1688                                         $wgDatabase->query($sqldef);
1689                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1690                                 }
1691                                 $sql .= " USING $tc[3]";
1692                         }
1693                         $sql .= ";\nCOMMIT;\n";
1694                         $wgDatabase->query($sql);
1695                 }
1696         }
1697
1698         foreach ($nullchanges as $nc) {
1699                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1700                 if (is_null($fi)) {
1701                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1702                         exit(1);
1703                 }
1704                 if ($fi->nullable()) {
1705                         ## It's NULL - does it need to be NOT NULL?
1706                         if ('NOT NULL' === $nc[2]) {
1707                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1708                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1709                         }
1710                         else {
1711                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1712                         }
1713                 }
1714                 else {
1715                         ## It's NOT NULL - does it need to be NULL?
1716                         if ('NULL' === $nc[2]) {
1717                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1718                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1719                         }
1720                         else {
1721                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1722                         }
1723                 }
1724         }
1725
1726         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1727                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1728                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1729                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1730                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1731         }
1732         else
1733                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1734
1735
1736         foreach ($newindexes as $ni) {
1737                 if (pg_index_exists($ni[0], $ni[1])) {
1738                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1739                         continue;
1740                 }
1741                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1742                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1743         }
1744
1745         foreach ($newrules as $nr) {
1746                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1747                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1748                         continue;
1749                 }
1750                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1751                 dbsource(archive($nr[2]));
1752         }
1753
1754         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1755                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete\n" );
1756                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1757                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1758                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1759         }
1760         else
1761                 wfOut( "... table \"oldimage\" has correct cascade delete foreign key to image\n" );
1762
1763         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1764                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1765                 dbsource(archive('patch-page_deleted.sql'));
1766         }
1767         else
1768                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1769
1770         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1771         if (!$fi->nullable()) {
1772                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1773                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1774         }
1775         else
1776                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1777
1778         $pu = pg_describe_index("pagelink_unique");
1779         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1780                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1781                 $wgDatabase->query("DROP INDEX pagelink_unique");
1782                 $pu = null;
1783         }
1784         else
1785                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1786
1787         if (is_null($pu)) {
1788                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1789                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1790         }
1791         else
1792                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1793
1794         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1795                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1796         }
1797         else {
1798                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1799                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1800         }
1801
1802         # Fix ipb_address index
1803         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1804                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1805                 $wgDatabase->query('DROP INDEX ipb_address');
1806         }
1807         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1808                 wfOut( "... have ipb_address_unique\n" );
1809         }
1810         else {
1811                 wfOut( "Adding ipb_address_unique index\n" );
1812                 dbsource(archive('patch-ipb_address_unique.sql'));
1813         }
1814
1815         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1816         # Add missing extension tables
1817         foreach ( $wgExtNewTables as $nt ) {
1818                 if ($wgDatabase->tableExists($nt[0])) {
1819                         wfOut( "... table \"$nt[0]\" already exists\n" );
1820                         continue;
1821                 }
1822                 wfOut( "Creating table \"$nt[0]\"\n" );
1823                 dbsource($nt[1]);
1824         }
1825         # Add missing extension fields
1826         foreach ( $wgExtPGNewFields as $nc ) {
1827                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1828                 if (!is_null($fi)) {
1829                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1830                         continue;
1831                 }
1832                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1833                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1834         }
1835         # Change altered columns
1836         foreach ( $wgExtPGAlteredFields as $nc ) {
1837                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1838                 if (is_null($fi)) {
1839                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1840                         continue;
1841                 }
1842                 $oldtype = $fi->type();
1843                 $newtype = strtolower( $nc[2] );
1844                 if ($oldtype === $newtype) {
1845                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1846                         continue;
1847                 }
1848                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1849                 if ( isset( $nc[3] ) ) {
1850                         $command .= " USING $nc[3]";
1851                 }
1852                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1853                 $wgDatabase->query( $command );
1854         }
1855         # Add missing extension indexes
1856         foreach ( $wgExtNewIndexes as $ni ) {
1857                 if (pg_index_exists($ni[0], $ni[1])) {
1858                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1859                         continue;
1860                 }
1861                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1862                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1863                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1864                 }
1865                 else {
1866                         dbsource($ni[2]);
1867                 }
1868         }
1869
1870         # Tweak the page_title tsearch2 trigger to filter out slashes
1871         # This is create or replace, so harmless to call if not needed
1872         dbsource(archive('patch-ts2pagetitle.sql'));
1873
1874         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1875         ## in case they have the old 'default' versions
1876         if ( $numver >= 8.3 )
1877                 dbsource(archive('patch-tsearch2funcs.sql'));
1878
1879         ## Put a new row in the mediawiki_version table
1880         $wgDatabase->insert( 'mediawiki_version',
1881                 array(
1882                         'type' => 'Update',
1883                         'ctype' => 'U',
1884                         'mw_version' => $wgVersion,
1885                         'pg_version' => $version,
1886                         'sql_version' => '$LastChangedRevision$',
1887                         'sql_date' => '$LastChangedDate$',
1888                 ) );
1889         return;
1890 }