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