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