maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @addtogroup Maintenance
   4  */
   5
   6  /** */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         echo "This file is not a valid entry point\n";
  10         exit( 1 );
  11 }
  12
  13 require_once 'convertLinks.inc';
  14 require_once 'userDupes.inc';
  15 require_once 'deleteDefaultMessages.php';
  16
  17 $wgRenamedTables = array(
  18 #           from             to                  patch file
  19 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  20 );
  21
  22 $wgNewTables = array(
  23 #            table          patch file (in maintenance/archives)
  24         array( 'hitcounter',    'patch-hitcounter.sql' ),
  25         array( 'querycache',    'patch-querycache.sql' ),
  26         array( 'objectcache',   'patch-objectcache.sql' ),
  27         array( 'categorylinks', 'patch-categorylinks.sql' ),
  28         array( 'logging',       'patch-logging.sql' ),
  29         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  30         array( 'transcache',    'patch-transcache.sql' ),
  31         array( 'trackbacks',    'patch-trackbacks.sql' ),
  32         array( 'externallinks', 'patch-externallinks.sql' ),
  33         array( 'job',           'patch-job.sql' ),
  34         array( 'langlinks',     'patch-langlinks.sql' ),
  35         array( 'querycache_info', 'patch-querycacheinfo.sql' ),
  36         array( 'filearchive',   'patch-filearchive.sql' ),
  37         array( 'querycachetwo', 'patch-querycachetwo.sql' ),
  38 );
  39
  40 $wgNewFields = array(
  41 #           table            field             patch file (in maintenance/archives)
  42         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  43         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  44         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  45         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  46         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  47         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  48         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  49         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  50         array( 'user',          'user_token',       'patch-user_token.sql' ),
  51         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  52         array( 'user',          'user_registration','patch-user_registration.sql' ),
  53         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  54         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  55         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  56         array( 'page',          'page_len',         'patch-page_len.sql' ),
  57         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  58         array( 'image',         'img_width',        'patch-img_width.sql' ),
  59         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  60         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  61         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  62         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  63         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  64         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  65         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  66         array( 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  67         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  68         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  69         array( 'logging',       'log_id',               'patch-log_id.sql' ),
  70         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  71 );
  72
  73 function rename_table( $from, $to, $patch ) {
  74         global $wgDatabase;
  75         if ( $wgDatabase->tableExists( $from ) ) {
  76                 if ( $wgDatabase->tableExists( $to ) ) {
  77                         echo "...can't move table $from to $to, $to already exists.\n";
  78                 } else {
  79                         echo "Moving table $from to $to...";
  80                         dbsource( archive($patch), $wgDatabase );
  81                         echo "ok\n";
  82                 }
  83         } else {
  84                 // Source table does not exist
  85                 // Renames are done before creations, so this is typical for a new installation
  86                 // Ignore silently
  87         }
  88 }
  89
  90 function add_table( $name, $patch ) {
  91         global $wgDatabase;
  92         if ( $wgDatabase->tableExists( $name ) ) {
  93                 echo "...$name table already exists.\n";
  94         } else {
  95                 echo "Creating $name table...";
  96                 dbsource( archive($patch), $wgDatabase );
  97                 echo "ok\n";
  98         }
  99 }
 100
 101 function add_field( $table, $field, $patch ) {
 102         global $wgDatabase;
 103         if ( !$wgDatabase->tableExists( $table ) ) {
 104                 echo "...$table table does not exist, skipping new field patch\n";
 105         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 106                 echo "...have $field field in $table table.\n";
 107         } else {
 108                 echo "Adding $field field to table $table...";
 109                 dbsource( archive($patch) , $wgDatabase );
 110                 echo "ok\n";
 111         }
 112 }
 113
 114 function do_revision_updates() {
 115         global $wgSoftwareRevision;
 116         if ( $wgSoftwareRevision < 1001 ) {
 117                 update_passwords();
 118         }
 119 }
 120
 121 function update_passwords() {
 122         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 123
 124         global $wgDatabase;
 125         $fname = "Update script: update_passwords()";
 126         print "\nIt appears that you need to update the user passwords in your\n" .
 127           "database. If you have already done this (if you've run this update\n" .
 128           "script once before, for example), doing so again will make all your\n" .
 129           "user accounts inaccessible, so be sure you only do this once.\n" .
 130           "Update user passwords? (yes/no)";
 131
 132         $resp = readconsole();
 133     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 134
 135         $sql = "SELECT user_id,user_password FROM user";
 136         $source = $wgDatabase->query( $sql, $fname );
 137
 138         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 139                 $id = $row->user_id;
 140                 $oldpass = $row->user_password;
 141                 $newpass = md5( "{$id}-{$oldpass}" );
 142
 143                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 144                   "WHERE user_id={$id}";
 145                 $wgDatabase->query( $sql, $fname );
 146         }
 147 }
 148
 149 function do_interwiki_update() {
 150         # Check that interwiki table exists; if it doesn't source it
 151         global $wgDatabase, $IP;
 152         if( $wgDatabase->tableExists( "interwiki" ) ) {
 153                 echo "...already have interwiki table\n";
 154                 return true;
 155         }
 156         echo "Creating interwiki table: ";
 157         dbsource( archive("patch-interwiki.sql") );
 158         echo "ok\n";
 159         echo "Adding default interwiki definitions: ";
 160         dbsource( "$IP/maintenance/interwiki.sql" );
 161         echo "ok\n";
 162 }
 163
 164 function do_index_update() {
 165         # Check that proper indexes are in place
 166         global $wgDatabase;
 167         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 168         if( $meta->multiple_key == 0 ) {
 169                 echo "Updating indexes to 20031107: ";
 170                 dbsource( archive("patch-indexes.sql") );
 171                 echo "ok\n";
 172                 return true;
 173         }
 174         echo "...indexes seem up to 20031107 standards\n";
 175         return false;
 176 }
 177
 178 function do_image_index_update() {
 179         global $wgDatabase;
 180
 181         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 182         if( $meta->multiple_key == 0 ) {
 183                 echo "Updating indexes to 20050912: ";
 184                 dbsource( archive("patch-mimesearch-indexes.sql") );
 185                 echo "ok\n";
 186                 return true;
 187         }
 188         echo "...indexes seem up to 20050912 standards\n";
 189         return false;
 190 }
 191
 192 function do_image_name_unique_update() {
 193         global $wgDatabase;
 194         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 195                 echo "...image primary key already set.\n";
 196         } else {
 197                 echo "Making img_name the primary key... ";
 198                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 199                 echo "ok\n";
 200         }
 201 }
 202
 203 function do_logging_timestamp_index() {
 204         global $wgDatabase;
 205         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 206                 echo "...timestamp key on logging already exists.\n";
 207         } else {
 208                 echo "Adding timestamp key on logging table... ";
 209                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 210                 echo "ok\n";
 211         }
 212 }
 213
 214
 215 function do_watchlist_update() {
 216         global $wgDatabase;
 217         $fname = 'do_watchlist_update';
 218         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 219                 echo "The watchlist table is already set up for email notification.\n";
 220         } else {
 221                 echo "Adding wl_notificationtimestamp field for email notification management.";
 222                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 223                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 224                 echo "ok\n";
 225         }
 226         # Check if we need to add talk page rows to the watchlist
 227         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 228         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 229         if ( $talk != $nontalk ) {
 230                 echo "Adding missing watchlist talk page rows... ";
 231                 flush();
 232
 233                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 234                         array(
 235                                 'wl_user' => 'wl_user',
 236                                 'wl_namespace' => 'wl_namespace | 1',
 237                                 'wl_title' => 'wl_title',
 238                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 239                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 240                 echo "ok\n";
 241         } else {
 242                 echo "...watchlist talk page rows already present\n";
 243         }
 244 }
 245
 246 function do_copy_newtalk_to_watchlist() {
 247         global $wgDatabase;
 248         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 249
 250         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 251                 $wgDatabase->tableName( 'user_newtalk' ) );
 252         $num_newtalks=$wgDatabase->numRows($res);
 253         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 254
 255         $user = new User();
 256         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 257                 $wluser = $wgDatabase->fetchObject( $res );
 258                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 259                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 260                                 $wgDatabase->replace( 'watchlist',
 261                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 262                                           array('wl_user'                       => 0,
 263                                                 'wl_namespace'                  => NS_USER_TALK,
 264                                                 'wl_title'                      => $wluser->user_ip,
 265                                                 'wl_notificationtimestamp'      => '19700101000000'
 266                                                 ), 'updaters.inc::do_watchlist_update2'
 267                                         );
 268                         }
 269                 } else { # normal users ... have user_ids
 270                         $user->setID($wluser->user_id);
 271                         $wgDatabase->replace( 'watchlist',
 272                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 273                                   array('wl_user'                       => $user->getID(),
 274                                         'wl_namespace'                  => NS_USER_TALK,
 275                                         'wl_title'                      => $user->getName(),
 276                                         'wl_notificationtimestamp'      => '19700101000000'
 277                                         ), 'updaters.inc::do_watchlist_update3'
 278                                 );
 279                 }
 280         }
 281         echo "Done.\n";
 282 }
 283
 284
 285 function do_user_update() {
 286         global $wgDatabase;
 287         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 288                 echo "User table contains old email authentication field. Dropping... ";
 289                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 290                 echo "ok\n";
 291         } else {
 292                 echo "...user table does not contain old email authentication field.\n";
 293         }
 294 }
 295
 296 /**
 297  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 298  * which causes a collation mismatch error on joins in MySQL 4.1.
 299  */
 300 function do_logging_encoding() {
 301         global $wgDatabase, $wgDBtype;
 302         if ($wgDBtype != 'mysql')
 303                 return;
 304         $logging = $wgDatabase->tableName( 'logging' );
 305         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 306         $flags = explode( ' ', mysql_field_flags( $res, 0 ) );
 307         $wgDatabase->freeResult( $res );
 308
 309         if( in_array( 'binary', $flags ) ) {
 310                 echo "Logging table has correct title encoding.\n";
 311         } else {
 312                 echo "Fixing title encoding on logging table... ";
 313                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 314                 echo "ok\n";
 315         }
 316 }
 317
 318 function do_schema_restructuring() {
 319         global $wgDatabase;
 320         $fname="do_schema_restructuring";
 321         if ( $wgDatabase->tableExists( 'page' ) ) {
 322                 echo "...page table already exists.\n";
 323         } else {
 324                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 325                 echo wfTimestamp( TS_DB );
 326                 echo "......checking for duplicate entries.\n"; flush();
 327
 328                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 329
 330                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 331                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 332
 333                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 334                         echo wfTimestamp( TS_DB );
 335                         echo "......<b>Found duplicate entries</b>\n";
 336                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 337                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 338                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 339                                         $duplicate[$row->cur_namespace] = array();
 340                                 }
 341                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 342                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 343                         }
 344                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 345                         $firstCond = true;
 346                         foreach ( $duplicate as $ns => $titles ) {
 347                                 if ( $firstCond ) {
 348                                         $firstCond = false;
 349                                 } else {
 350                                         $sql .= ' OR ';
 351                                 }
 352                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 353                                 $first = true;
 354                                 foreach ( $titles as $t ) {
 355                                         if ( $first ) {
 356                                                 $sql .= $wgDatabase->addQuotes( $t );
 357                                                 $first = false;
 358                                         } else {
 359                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 360                                         }
 361                                 }
 362                                 $sql .= ") ) \n";
 363                         }
 364                         # By sorting descending, the most recent entry will be the first in the list.
 365                         # All following entries will be deleted by the next while-loop.
 366                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 367
 368                         $rows = $wgDatabase->query( $sql, $fname );
 369
 370                         $prev_title = $prev_namespace = false;
 371                         $deleteId = array();
 372
 373                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 374                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 375                                         $deleteId[] = $row->cur_id;
 376                                 }
 377                                 $prev_title     = $row->cur_title;
 378                                 $prev_namespace = $row->cur_namespace;
 379                         }
 380                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 381                         $rows = $wgDatabase->query( $sql, $fname );
 382                         echo wfTimestamp( TS_DB );
 383                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 384                 }
 385
 386
 387                 echo wfTimestamp( TS_DB );
 388                 echo "......Creating tables.\n";
 389                 $wgDatabase->query("CREATE TABLE $page (
 390                         page_id int(8) unsigned NOT NULL auto_increment,
 391                         page_namespace int NOT NULL,
 392                         page_title varchar(255) binary NOT NULL,
 393                         page_restrictions tinyblob NOT NULL,
 394                         page_counter bigint(20) unsigned NOT NULL default '0',
 395                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 396                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 397                         page_random real unsigned NOT NULL,
 398                         page_touched char(14) binary NOT NULL default '',
 399                         page_latest int(8) unsigned NOT NULL,
 400                         page_len int(8) unsigned NOT NULL,
 401
 402                         PRIMARY KEY page_id (page_id),
 403                         UNIQUE INDEX name_title (page_namespace,page_title),
 404                         INDEX (page_random),
 405                         INDEX (page_len)
 406                         ) TYPE=InnoDB", $fname );
 407                 $wgDatabase->query("CREATE TABLE $revision (
 408                         rev_id int(8) unsigned NOT NULL auto_increment,
 409                         rev_page int(8) unsigned NOT NULL,
 410                         rev_comment tinyblob NOT NULL,
 411                         rev_user int(5) unsigned NOT NULL default '0',
 412                         rev_user_text varchar(255) binary NOT NULL default '',
 413                         rev_timestamp char(14) binary NOT NULL default '',
 414                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 415                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 416
 417                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 418                         UNIQUE INDEX rev_id (rev_id),
 419                         INDEX rev_timestamp (rev_timestamp),
 420                         INDEX page_timestamp (rev_page,rev_timestamp),
 421                         INDEX user_timestamp (rev_user,rev_timestamp),
 422                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 423                         ) TYPE=InnoDB", $fname );
 424
 425                 echo wfTimestamp( TS_DB );
 426                 echo "......Locking tables.\n";
 427                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 428
 429                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 430                 echo wfTimestamp( TS_DB );
 431                 echo "......maxold is {$maxold}\n";
 432
 433                 echo wfTimestamp( TS_DB );
 434                 global $wgLegacySchemaConversion;
 435                 if( $wgLegacySchemaConversion ) {
 436                         // Create HistoryBlobCurStub entries.
 437                         // Text will be pulled from the leftover 'cur' table at runtime.
 438                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 439                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 440                         $cur_flags = "'object'";
 441                 } else {
 442                         // Copy all cur text in immediately: this may take longer but avoids
 443                         // having to keep an extra table around.
 444                         echo "......Moving text from cur.\n";
 445                         $cur_text = 'cur_text';
 446                         $cur_flags = "''";
 447                 }
 448                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 449                                 old_timestamp, old_minor_edit, old_flags)
 450                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 451                         FROM $cur", $fname );
 452
 453                 echo wfTimestamp( TS_DB );
 454                 echo "......Setting up revision table.\n";
 455                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 456                                 rev_minor_edit)
 457                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 458                                 old_timestamp, old_minor_edit
 459                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 460
 461                 echo wfTimestamp( TS_DB );
 462                 echo "......Setting up page table.\n";
 463                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 464                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 465                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 466                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 467                         FROM $cur,$revision
 468                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 469
 470                 echo wfTimestamp( TS_DB );
 471                 echo "......Unlocking tables.\n";
 472                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 473
 474                 echo wfTimestamp( TS_DB );
 475                 echo "......Renaming old.\n";
 476                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 477
 478                 echo wfTimestamp( TS_DB );
 479                 echo "...done.\n";
 480         }
 481 }
 482
 483 function do_inverse_timestamp() {
 484         global $wgDatabase;
 485         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 486                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 487                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 488                 echo "ok\n";
 489         } else {
 490                 echo "revision timestamp indexes already up to 2005-03-13\n";
 491         }
 492 }
 493
 494 function do_text_id() {
 495         global $wgDatabase;
 496         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 497                 echo "...rev_text_id already in place.\n";
 498         } else {
 499                 echo "Adding rev_text_id field... ";
 500                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 501                 echo "ok\n";
 502         }
 503 }
 504
 505 function do_namespace_size() {
 506         $tables = array(
 507                 'page'          => 'page',
 508                 'archive'       => 'ar',
 509                 'recentchanges' => 'rc',
 510                 'watchlist'     => 'wl',
 511                 'querycache'    => 'qc',
 512                 'logging'       => 'log',
 513         );
 514         foreach( $tables as $table => $prefix ) {
 515                 do_namespace_size_on( $table, $prefix );
 516                 flush();
 517         }
 518 }
 519
 520 function do_namespace_size_on( $table, $prefix ) {
 521         global $wgDatabase, $wgDBtype;
 522         if ($wgDBtype != 'mysql')
 523                 return;
 524         $field = $prefix . '_namespace';
 525
 526         $tablename = $wgDatabase->tableName( $table );
 527         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 528         $info = $wgDatabase->fetchObject( $result );
 529         $wgDatabase->freeResult( $result );
 530
 531         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 532                 echo "...$field is already a full int ($info->Type).\n";
 533         } else {
 534                 echo "Promoting $field from $info->Type to int... ";
 535
 536                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 537                 $wgDatabase->query( $sql );
 538
 539                 echo "ok\n";
 540         }
 541 }
 542
 543 function do_pagelinks_update() {
 544         global $wgDatabase;
 545         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 546                 echo "...already have pagelinks table.\n";
 547         } else {
 548                 echo "Converting links and brokenlinks tables to pagelinks... ";
 549                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 550                 echo "ok\n";
 551                 flush();
 552
 553                 global $wgCanonicalNamespaceNames;
 554                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 555                         if( $ns != 0 ) {
 556                                 do_pagelinks_namespace( $ns );
 557                         }
 558                 }
 559         }
 560 }
 561
 562 function do_pagelinks_namespace( $namespace ) {
 563         global $wgDatabase, $wgContLang;
 564
 565         $ns = intval( $namespace );
 566         echo "Cleaning up broken links for namespace $ns... ";
 567
 568         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 569         $name = $wgContLang->getNsText( $ns );
 570         $prefix = $wgDatabase->strencode( $name );
 571         $likeprefix = str_replace( '_', '\\_', $prefix);
 572
 573         $sql = "UPDATE $pagelinks
 574                    SET pl_namespace=$ns,
 575                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 576                  WHERE pl_namespace=0
 577                    AND pl_title LIKE '$likeprefix:%'";
 578
 579         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 580         echo "ok\n";
 581 }
 582
 583 function do_drop_img_type() {
 584         global $wgDatabase;
 585
 586         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 587                 echo "Dropping unused img_type field in image table... ";
 588                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 589                 echo "ok\n";
 590         } else {
 591                 echo "No img_type field in image table; Good.\n";
 592         }
 593 }
 594
 595 function do_old_links_update() {
 596         global $wgDatabase;
 597         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 598                 echo "Already have pagelinks; skipping old links table updates.\n";
 599         } else {
 600                 convertLinks(); flush();
 601         }
 602 }
 603
 604 function do_user_unique_update() {
 605         global $wgDatabase;
 606         $duper = new UserDupes( $wgDatabase );
 607         if( $duper->hasUniqueIndex() ) {
 608                 echo "Already have unique user_name index.\n";
 609         } else {
 610                 if( !$duper->clearDupes() ) {
 611                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 612                 }
 613                 echo "Adding unique index on user_name... ";
 614                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 615                 echo "ok\n";
 616         }
 617 }
 618
 619 function do_user_groups_update() {
 620         $fname = 'do_user_groups_update';
 621         global $wgDatabase;
 622
 623         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 624                 echo "...user_groups table already exists.\n";
 625                 return do_user_groups_reformat();
 626         }
 627
 628         echo "Adding user_groups table... ";
 629         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 630         echo "ok\n";
 631
 632         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 633                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 634                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 635                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 636                         echo "ok\n";
 637                 } else {
 638                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 639                         echo "*** You may need to manually configure some sysops by manipulating\n";
 640                         echo "*** the user_groups table.\n";
 641                         return;
 642                 }
 643         }
 644
 645         echo "Converting user_rights table to user_groups... ";
 646         $result = $wgDatabase->select( 'user_rights',
 647                 array( 'ur_user', 'ur_rights' ),
 648                 array( "ur_rights != ''" ),
 649                 $fname );
 650
 651         while( $row = $wgDatabase->fetchObject( $result ) ) {
 652                 $groups = array_unique(
 653                         array_map( 'trim',
 654                                 explode( ',', $row->ur_rights ) ) );
 655
 656                 foreach( $groups as $group ) {
 657                         $wgDatabase->insert( 'user_groups',
 658                                 array(
 659                                         'ug_user'  => $row->ur_user,
 660                                         'ug_group' => $group ),
 661                                 $fname );
 662                 }
 663         }
 664         $wgDatabase->freeResult( $result );
 665         echo "ok\n";
 666 }
 667
 668 function do_user_groups_reformat() {
 669         # Check for bogus formats from previous 1.5 alpha code.
 670         global $wgDatabase;
 671         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 672
 673         if( $info->type == 'int' ) {
 674                 $oldug = $wgDatabase->tableName( 'user_groups' );
 675                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 676                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 677                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 678                 echo "ok\n";
 679
 680                 echo "Re-adding fresh user_groups table... ";
 681                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 682                 echo "ok\n";
 683
 684                 echo "***\n";
 685                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 686                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 687                 echo "***\n";
 688         } else {
 689                 echo "...user_groups is in current format.\n";
 690         }
 691
 692 }
 693
 694 function do_watchlist_null() {
 695         # Make sure wl_notificationtimestamp can be NULL,
 696         # and update old broken items.
 697         global $wgDatabase;
 698         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 699
 700         if( $info->not_null ) {
 701                 echo "Making wl_notificationtimestamp nullable... ";
 702                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 703                 echo "ok\n";
 704         } else {
 705                 echo "...wl_notificationtimestamp is already nullable.\n";
 706         }
 707
 708 }
 709
 710 /**
 711  * @bug 3946
 712  */
 713 function do_page_random_update() {
 714         global $wgDatabase;
 715
 716         echo "Setting page_random to a random value on rows where it equals 0...";
 717
 718         $page = $wgDatabase->tableName( 'page' );
 719         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 720         $rows = $wgDatabase->affectedRows();
 721
 722         echo "changed $rows rows\n";
 723 }
 724
 725 function do_templatelinks_update() {
 726         global $wgDatabase, $wgLoadBalancer;
 727         $fname = 'do_templatelinks_update';
 728
 729         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 730                 echo "...templatelinks table already exists\n";
 731                 return;
 732         }
 733         echo "Creating templatelinks table...\n";
 734         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 735         echo "Populating...\n";
 736         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 737                 // Slow, replication-friendly update
 738                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 739                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 740                 $count = 0;
 741                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 742                         $count = ($count + 1) % 100;
 743                         if ( $count == 0 ) {
 744                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 745                                         wfWaitForSlaves( 10 );
 746                                 } else {
 747                                         sleep( 1 );
 748                                 }
 749                         }
 750                         $wgDatabase->insert( 'templatelinks',
 751                                 array(
 752                                         'tl_from' => $row->pl_from,
 753                                         'tl_namespace' => $row->pl_namespace,
 754                                         'tl_title' => $row->pl_title,
 755                                 ), $fname
 756                         );
 757
 758                 }
 759                 $wgDatabase->freeResult( $res );
 760         } else {
 761                 // Fast update
 762                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 763                         array(
 764                                 'tl_from' => 'pl_from',
 765                                 'tl_namespace' => 'pl_namespace',
 766                                 'tl_title' => 'pl_title'
 767                         ), array(
 768                                 'pl_namespace' => 10
 769                         ), $fname
 770                 );
 771         }
 772         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 773 }
 774
 775 # July 2006
 776 # Add ( rc_namespace, rc_user_text ) index [R. Church]
 777 function do_rc_indices_update() {
 778         global $wgDatabase;
 779         echo( "Checking for additional recent changes indices...\n" );
 780         # See if we can find the index we want
 781         $info = $wgDatabase->indexInfo( 'recentchanges', 'rc_ns_usertext', __METHOD__ );
 782         if( !$info ) {
 783                 # None, so create
 784                 echo( "...index on ( rc_namespace, rc_user_text ) not found; creating\n" );
 785                 dbsource( archive( 'patch-recentchanges-utindex.sql' ) );
 786         } else {
 787                 # Index seems to exist
 788                 echo( "...index on ( rc_namespace, rc_user_text ) seems to be ok\n" );
 789         }
 790
 791         #Add (rc_user_text, rc_timestamp) index [A. Garrett], November 2006
 792         # See if we can find the index we want
 793         $info = $wgDatabase->indexInfo( 'recentchanges', 'rc_user_text', __METHOD__ );
 794         if( !$info ) {
 795                 # None, so create
 796                 echo( "...index on ( rc_user_text, rc_timestamp ) not found; creating\n" );
 797                 dbsource( archive( 'patch-rc_user_text-index.sql' ) );
 798         } else {
 799                 # Index seems to exist
 800                 echo( "...index on ( rc_user_text, rc_timestamp ) seems to be ok\n" );
 801         }
 802 }
 803
 804 function index_has_field($table, $index, $field) {
 805         global $wgDatabase;
 806         echo( "Checking if $table index $index includes field $field...\n" );
 807         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 808         if( $info ) {
 809                 foreach($info as $row) {
 810                         if($row->Column_name == $field) {
 811                                 echo( "...index $index on table $table seems to be ok\n" );
 812                                 return true;
 813                         }
 814                 }
 815         }
 816         echo( "...index $index on table $table has no field $field; adding\n" );
 817         return false;
 818 }
 819
 820 function do_backlinking_indices_update() {
 821         echo( "Checking for backlinking indices...\n" );
 822         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 823                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 824                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 825         {
 826                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 827         }
 828 }
 829
 830 function do_stats_init() {
 831         // Sometimes site_stats table is not properly populated.
 832         global $wgDatabase;
 833         echo "Checking site_stats row...";
 834         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 835         if( $row === false ) {
 836                 echo "data is missing! rebuilding...\n";
 837
 838                 global $IP;
 839                 require_once "$IP/maintenance/initStats.inc";
 840                 wfInitStats();
 841         } else {
 842                 echo "ok.\n";
 843         }
 844 }
 845
 846 function purge_cache() {
 847         global $wgDatabase;
 848         # We can't guarantee that the user will be able to use TRUNCATE,
 849         # but we know that DELETE is available to us
 850         echo( "Purging caches..." );
 851         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 852         echo( "done.\n" );
 853 }
 854
 855 function do_all_updates( $shared = false, $purge = true ) {
 856         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 857
 858         $doUser = !$wgSharedDB || $shared;
 859
 860         if ($wgDBtype === 'postgres') {
 861                 do_postgres_updates();
 862                 return;
 863         }
 864
 865         # Rename tables
 866         foreach ( $wgRenamedTables as $tableRecord ) {
 867                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 868         }
 869
 870         # Add missing tables
 871         foreach ( $wgNewTables as $tableRecord ) {
 872                 add_table( $tableRecord[0], $tableRecord[1] );
 873                 flush();
 874         }
 875
 876         # Add missing fields
 877         foreach ( $wgNewFields as $fieldRecord ) {
 878                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 879                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 880                 }
 881                 flush();
 882         }
 883
 884         # Do schema updates which require special handling
 885         do_interwiki_update(); flush();
 886         do_index_update(); flush();
 887         do_old_links_update(); flush();
 888         do_image_name_unique_update(); flush();
 889         do_watchlist_update(); flush();
 890         if ( $doUser ) {
 891                 do_user_update(); flush();
 892         }
 893 ######  do_copy_newtalk_to_watchlist(); flush();
 894         do_logging_encoding(); flush();
 895
 896         do_schema_restructuring(); flush();
 897         do_inverse_timestamp(); flush();
 898         do_text_id(); flush();
 899         do_namespace_size(); flush();
 900
 901         do_pagelinks_update(); flush();
 902         do_templatelinks_update(); flush(); // after pagelinks
 903
 904         do_drop_img_type(); flush();
 905
 906         if ( $doUser ) {
 907                 do_user_unique_update(); flush();
 908         }
 909         do_user_groups_update(); flush();
 910
 911         do_watchlist_null(); flush();
 912
 913         //do_image_index_update(); flush();
 914
 915         do_logging_timestamp_index(); flush();
 916
 917         do_page_random_update(); flush();
 918
 919         do_rc_indices_update(); flush();
 920
 921         add_table( 'redirect', 'patch-redirect.sql' );
 922
 923         do_backlinking_indices_update(); flush();
 924
 925         do_restrictions_update(); flush ();
 926
 927         echo "Deleting old default messages (this may take a long time!)..."; flush();
 928         deleteDefaultMessages();
 929         echo "Done\n"; flush();
 930
 931         do_stats_init(); flush();
 932
 933         if( $purge ) {
 934                 purge_cache();
 935                 flush();
 936         }
 937 }
 938
 939 function archive($name) {
 940         global $wgDBtype, $IP;
 941         switch ($wgDBtype) {
 942         case "postgres":
 943                 return "$IP/maintenance/postgres/archives/$name";
 944         default:
 945                 return "$IP/maintenance/archives/$name";
 946         }
 947 }
 948
 949 function do_restrictions_update() {
 950         # Adding page_restrictions table, obsoleting page.page_restrictions.
 951         #  Migrating old restrictions to new table
 952         # -- Andrew Garrett, January 2007.
 953
 954         global $wgDatabase;
 955
 956         $name = 'page_restrictions';
 957         $patch = 'patch-page_restrictions.sql';
 958
 959         if ( $wgDatabase->tableExists( $name ) ) {
 960                 echo "...$name table already exists.\n";
 961         } else {
 962                 echo "Creating $name table...";
 963                 dbsource( archive($patch), $wgDatabase );
 964                 echo "ok\n";
 965
 966                 echo "Migrating old restrictions to new table...";
 967
 968                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
 969
 970                 $count = 0;
 971
 972                 while ($row = $wgDatabase->fetchObject($res) ) {
 973                         $count = ($count + 1) % 100;
 974
 975                         if ($count == 0) {
 976                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 977                                         wfWaitForSlaves( 10 );
 978                                 } else {
 979                                         sleep( 1 );
 980                                 }
 981                         }
 982
 983                         # Figure out what the restrictions are..
 984                         $id = $row->page_id;
 985                         $flatrestrictions = explode( ':', $row->page_restrictions );
 986
 987                         $restrictions = array ();
 988                         foreach( $flatrestrictions as $restriction ) {
 989                                 $thisrestriction = explode( '=', $restriction, 2 );
 990                                 if( count( $thisrestriction ) == 1 ) {
 991                                         // Compatibility with old protections from before
 992                                         // separate move protection was added.
 993                                         list( $level ) = $thisrestriction;
 994                                         if( $level ) {
 995                                                 $restrictions['edit'] = $level;
 996                                                 $restrictions['move'] = $level;
 997                                         }
 998                                 } else {
 999                                         list( $type, $level ) = $thisrestriction;
1000                                         if( $level ) {
1001                                                 $restrictions[$type] = $level;
1002                                         }
1003                                 }
1004
1005                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1006
1007                         }
1008
1009                         foreach( $restrictions as $type => $level ) {
1010                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1011                                                                                         'pr_type' => $type,
1012                                                                                         'pr_level' => $level,
1013                                                                                         'pr_cascade' => 0 ),
1014                                                                                         __METHOD__ );
1015                         }
1016                 }
1017                 print "ok\n";
1018         }
1019
1020 }
1021
1022 function
1023 pg_column_has_type($table, $column, $wanttype)
1024 {
1025 global  $wgDatabase, $wgDBname, $wgDBmwschema;
1026
1027         $q = <<<END
1028 SELECT typname FROM pg_class, pg_namespace, pg_attribute, pg_type
1029         WHERE relnamespace=pg_namespace.oid AND relkind='r'
1030               AND attrelid=pg_class.oid AND atttypid=pg_type.oid
1031               AND nspname=%s AND relname=%s AND attname=%s;
1032 END;
1033         $res = $wgDatabase->query(sprintf($q,
1034                         $wgDatabase->addQuotes($wgDBmwschema),
1035                         $wgDatabase->addQuotes($table),
1036                         $wgDatabase->addQuotes($column)));
1037         $row = $wgDatabase->fetchRow($res);
1038         $istype = false;
1039         if ($row)
1040                 $istype = $row[0] === $wanttype;
1041         $wgDatabase->freeResult($res);
1042         return $istype;
1043 }
1044
1045 function
1046 pg_column_exists($table, $column)
1047 {
1048 global  $wgDatabase, $wgDBname, $wgDBmwschema;
1049
1050         $q = <<<END
1051 SELECT 1 FROM pg_class, pg_namespace, pg_attribute
1052         WHERE relnamespace=pg_namespace.oid AND relkind='r'
1053               AND attrelid=pg_class.oid
1054               AND nspname=%s AND relname=%s AND attname=%s;
1055 END;
1056         $res = $wgDatabase->query(sprintf($q,
1057                         $wgDatabase->addQuotes($wgDBmwschema),
1058                         $wgDatabase->addQuotes($table),
1059                         $wgDatabase->addQuotes($column)));
1060         $row = $wgDatabase->fetchRow($res);
1061         $exists = !!$row;
1062         $wgDatabase->freeResult($res);
1063         return $exists;
1064 }
1065
1066 function
1067 pg_table_exists($table)
1068 {
1069 global  $wgDatabase, $wgDBname, $wgDBmwschema;
1070
1071         $q = <<<END
1072 SELECT 1 FROM pg_class, pg_namespace
1073         WHERE relnamespace=pg_namespace.oid AND relkind='r'
1074               AND nspname=%s AND relname=%s
1075 END;
1076         $res = $wgDatabase->query(sprintf($q,
1077                         $wgDatabase->addQuotes($wgDBmwschema),
1078                         $wgDatabase->addQuotes($table)));
1079         $row = $wgDatabase->fetchRow($res);
1080         $exists = !!$row;
1081         $wgDatabase->freeResult($res);
1082         return $exists;
1083 }
1084
1085 function
1086 pg_trigger_exists($table, $trigger)
1087 {
1088 global  $wgDatabase, $wgDBname, $wgDBmwschema;
1089
1090         $q = <<<END
1091 SELECT 1 FROM pg_class, pg_namespace, pg_trigger
1092         WHERE relnamespace=pg_namespace.oid AND relkind='r'
1093               AND tgrelid=pg_class.oid
1094               AND nspname=%s AND relname=%s AND tgname=%s
1095 END;
1096         $res = $wgDatabase->query(sprintf($q,
1097                         $wgDatabase->addQuotes($wgDBmwschema),
1098                         $wgDatabase->addQuotes($table),
1099                         $wgDatabase->addQuotes($trigger)));
1100         $row = $wgDatabase->fetchRow($res);
1101         $exists = !!$row;
1102         $wgDatabase->freeResult($res);
1103         return $exists;
1104 }
1105
1106
1107 function
1108 pg_index_exists($table, $index)
1109 {
1110 global  $wgDatabase, $wgDBmwschema;
1111         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1112                         array(  "indexname" => $index,
1113                                 "tablename" => $table,
1114                                 "schemaname" => $wgDBmwschema));
1115         return $exists === $index;
1116 }
1117
1118 function
1119 pg_rule_exists($table, $rule)
1120 {
1121 global  $wgDatabase, $wgDBmwschema;
1122         $exists = $wgDatabase->selectField("pg_rules", "rulename",
1123                         array(  "rulename" => $rule,
1124                                 "tablename" => $table,
1125                                 "schemaname" => $wgDBmwschema));
1126         return $exists === $rule;
1127 }
1128
1129 function do_postgres_updates() {
1130         global $wgDatabase, $wgVersion, $wgDBmwschema;
1131
1132         # Just in case their LocalSetings.php does not have this:
1133         if ( !isset( $wgDBmwschema ))
1134                 $wgDBmwschema = 'mediawiki';
1135
1136         ## Default to the oldest supported version
1137         $version = 1.7;
1138
1139         $thisver = array();
1140         if ($wgDatabase->tableExists("mediawiki_version")) {
1141                 $version = "1.8";
1142                 $sql = "SELECT mw_version FROM mediawiki_version ORDER BY cdate DESC LIMIT 1";
1143                 $tempversion = pg_fetch_result($wgDatabase->doQuery($sql),0,0);
1144                 if (preg_match('/(\d+\.\d+)/', $tempversion, $thisver)) {
1145                         $version = $thisver[1];
1146                 }
1147         }
1148
1149         print " Detected version: $version\n";
1150
1151         ## Transform to a standard format
1152         if (! preg_match('/(\d+)\.(\d+)/', $version, $thisver)) {
1153                 die ("Sorry, could not figure out what version \"$version\" means");
1154         }
1155         $oldversion = $version;
1156         $version = sprintf("%d%03d",$thisver[1],$thisver[2]);
1157         print " Standardized version: $version\n";
1158
1159         $upgrade = '';
1160
1161         $typechanges = array(
1162                 array("oldimage",     "oi_size",    "integer"),
1163                 array("oldimage",     "oi_width",   "integer"),
1164                 array("oldimage",     "oi_height",  "integer"),
1165                 array("image",        "img_size",   "integer"),
1166                 array("image",        "img_width",  "integer"),
1167                 array("image",        "img_height", "integer"),
1168         );
1169
1170         $newcols = array(
1171                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1172                 array("mwuser",        "user_editcount",       "INTEGER"),
1173                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1174                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1175                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1176                 array("recentchanges", "rc_old_len",           "INT"),
1177                 array("recentchanges", "rc_new_len",           "INT")
1178         );
1179
1180         $newtables = array(
1181                 array("mwuser",            "patch-mwuser.sql"),
1182                 array("pagecontent",       "patch-pagecontent.sql"),
1183                 array("querycachetwo",     "patch-querycachetwo.sql"),
1184                 array("redirect",          "patch-redirect.sql"),
1185                 array("page_restrictions", "patch-page_restrictions.sql"),
1186                 array("profiling",         "patch-profiling.sql"),
1187                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1188                 array("archive2",          "patch-archive2.sql")
1189         );
1190
1191         $newindexes = array(
1192                 array("revision", "rev_text_id_idx",          "patch-rev_text_id_idx.sql")
1193         );
1194
1195         $newrules = array(
1196                 array("archive", "archive_delete", "patch-archive_delete.sql")
1197         );
1198
1199         foreach ($newtables as $nt) {
1200                 if (pg_table_exists($nt[0])) {
1201                         echo "... table $nt[0] already exists\n";
1202                         continue;
1203                 }
1204
1205                 echo "... create table $nt[0]\n";
1206                 dbsource(archive($nt[1]));
1207         }
1208
1209         foreach ($newcols as $nc) {
1210                 if (pg_column_exists($nc[0], $nc[1])) {
1211                         echo "... column $nc[0].$nc[1] already exists\n";
1212                         continue;
1213                 }
1214
1215                 echo "... add column $nc[0].$nc[1]\n";
1216                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1217         }
1218
1219         foreach ($typechanges as $tc) {
1220                 if (!pg_column_exists($tc[0], $tc[1])) {
1221                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1222                         exit(1);
1223                 }
1224
1225                 if (pg_column_has_type($tc[0], $tc[1], $tc[2]))
1226                         echo "... $tc[0].$tc[1] is already $tc[2]\n";
1227                 else {
1228                         echo "... change $tc[0].$tc[1] to $tc[2]\n";
1229                         $wgDatabase->query("ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2];\nCOMMIT;\n");
1230                 }
1231         }
1232
1233         if (!pg_column_has_type("user_newtalk", "user_ip", "text")) {
1234                 echo "... convert user_newtalk.user_ip to text\n";
1235                 $wgDatabase->query("ALTER TABLE user_newtalk ALTER user_ip TYPE TEXT USING host(user_ip)");
1236         }
1237
1238         foreach ($newindexes as $ni) {
1239                 if (pg_index_exists($ni[0], $ni[1])) {
1240                         echo "... index $ni[1] on $ni[0] already exists\n";
1241                         continue;
1242                 }
1243                 dbsource(archive($ni[2]));
1244         }
1245
1246         foreach ($newrules as $nr) {
1247                 if (pg_rule_exists($nr[0], $nr[1])) {
1248                         echo "... rule $nr[1] on $nr[0] already exists\n";
1249                         continue;
1250                 }
1251                 dbsource(archive($nr[2]));
1252         }
1253
1254         if (!pg_trigger_exists("page", "page_deleted")) {
1255                 echo "... create page_deleted trigger\n";
1256                 dbsource(archive('patch-page_deleted.sql'));
1257         }
1258
1259         ## 1.8 Updater
1260         if ($version < 1008) {
1261                 $upgrade .= <<<PGEND
1262
1263 -- Constraint tweaking:
1264 ALTER TABLE recentchanges ALTER rc_cur_id DROP NOT NULL;
1265
1266 -- Index order rearrangements:
1267 DROP INDEX pagelink_unique;
1268 CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title);
1269
1270 -- Note this upgrade
1271 INSERT INTO mediawiki_version (type,mw_version,notes)
1272 VALUES ('Upgrade','MWVERSION','Upgrade from older pre 1.8 version THISVERSION aka SVERSION');
1273
1274 PGEND;
1275
1276         } ## end version 1.8
1277
1278         ## 1.9 Updater
1279         if ($version < 1009) {
1280                 $upgrade = <<<PGEND
1281
1282 -- Tighten up restrictions on the revision table so we don't lose data:
1283 ALTER TABLE revision DROP CONSTRAINT revision_rev_user_fkey;
1284 ALTER TABLE revision ADD CONSTRAINT revision_rev_user_fkey
1285   FOREIGN KEY (rev_user) REFERENCES mwuser(user_id) ON DELETE RESTRICT;
1286
1287 -- Despite it's name, ipb_address does not necessarily contain IP addresses :)
1288 ALTER TABLE ipblocks ALTER ipb_address TYPE TEXT USING ipb_address::TEXT;
1289
1290 -- Note this upgrade
1291 INSERT INTO mediawiki_version (type,mw_version,notes)
1292 VALUES ('Upgrade','MWVERSION','Upgrade from older pre 1.9 version THISVERSION aka SVERSION');
1293
1294 PGEND;
1295
1296         } ## end version 1.9
1297
1298         ## 1.10 updater
1299         if ($version <= 1010) {
1300                 $upgrade = <<<PGEND
1301
1302 -- Fix the archive rule ar_timestamp field
1303 CREATE OR REPLACE RULE archive_insert AS ON INSERT TO archive
1304 DO INSTEAD INSERT INTO archive2 VALUES (
1305   NEW.ar_namespace, NEW.ar_title, NEW.ar_text, NEW.ar_comment, NEW.ar_user, NEW.ar_user_text,
1306   TO_TIMESTAMP(NEW.ar_timestamp, 'YYYYMMDDHH24MISS'),
1307   NEW.ar_minor_edit, NEW.ar_flags, NEW.ar_rev_id, NEW.ar_text_id
1308 );
1309
1310 -- Note this upgrade
1311 INSERT INTO mediawiki_version (type,mw_version,notes)
1312 VALUES ('Upgrade','MWVERSION','Upgrade from older pre 1.10 version THISVERSION aka SVERSION');
1313
1314
1315 PGEND;
1316         } ## end version 1.10
1317
1318         if ( !strlen($upgrade)) {
1319                 print "No updates needed for this version ($oldversion)\n";
1320                 return;
1321         }
1322
1323         $upgrade = str_replace( 'MWVERSION', $wgVersion, $upgrade );
1324         $upgrade = str_replace( 'THISVERSION', $oldversion, $upgrade );
1325         $upgrade = str_replace( 'SVERSION', $version, $upgrade );
1326         $wgDatabase->query("BEGIN;\n\n $upgrade\n\nCOMMIT;\n");
1327
1328         return;
1329 }
1330
1331 ?>