maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  * @subpackage Maintenance
   5  */
   6
   7  /** */
   8
   9 require_once 'convertLinks.inc';
  10 require_once 'InitialiseMessages.inc';
  11 require_once 'userDupes.inc';
  12
  13 $wgRenamedTables = array(
  14 #           from             to                  patch file
  15 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  16 );
  17
  18 $wgNewTables = array(
  19 #            table          patch file (in maintenance/archives)
  20         array( 'hitcounter',    'patch-hitcounter.sql' ),
  21         array( 'querycache',    'patch-querycache.sql' ),
  22         array( 'objectcache',   'patch-objectcache.sql' ),
  23         array( 'categorylinks', 'patch-categorylinks.sql' ),
  24         array( 'logging',       'patch-logging.sql' ),
  25         array( 'validate',      'patch-validate.sql' ),
  26         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  27         array( 'transcache',    'patch-transcache.sql' ),
  28         array( 'trackbacks',    'patch-trackbacks.sql' ),
  29         array( 'externallinks', 'patch-externallinks.sql' ),
  30         array( 'job',           'patch-job.sql' ),
  31 );
  32
  33 $wgNewFields = array(
  34 #           table            field             patch file (in maintenance/archives)
  35         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  36         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  37         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  38         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  39         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  40         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  41         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  42         array( 'user',          'user_token',       'patch-user_token.sql' ),
  43         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  44         array( 'user',          'user_registration','patch-user_registration.sql' ),
  45         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  46         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  47         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  48         array( 'page',          'page_len',         'patch-page_len.sql' ),
  49         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  50         array( 'image',         'img_width',        'patch-img_width.sql' ),
  51         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  52         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  53         array( 'validate',      'val_ip',           'patch-val_ip.sql' ),
  54         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  55         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  56         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  57 );
  58
  59 function rename_table( $from, $to, $patch ) {
  60         global $wgDatabase;
  61         if ( $wgDatabase->tableExists( $from ) ) {
  62                 if ( $wgDatabase->tableExists( $to ) ) {
  63                         echo "...can't move table $from to $to, $to already exists.\n";
  64                 } else {
  65                         echo "Moving table $from to $to...";
  66                         dbsource( archive($patch), $wgDatabase );
  67                         echo "ok\n";
  68                 }
  69         } else {
  70                 // Source table does not exist
  71                 // Renames are done before creations, so this is typical for a new installation
  72                 // Ignore silently
  73         }
  74 }
  75
  76 function add_table( $name, $patch ) {
  77         global $wgDatabase;
  78         if ( $wgDatabase->tableExists( $name ) ) {
  79                 echo "...$name table already exists.\n";
  80         } else {
  81                 echo "Creating $name table...";
  82                 dbsource( archive($patch), $wgDatabase );
  83                 echo "ok\n";
  84         }
  85 }
  86
  87 function add_field( $table, $field, $patch ) {
  88         global $wgDatabase;
  89         if ( !$wgDatabase->tableExists( $table ) ) {
  90                 echo "...$table table does not exist, skipping new field patch\n";
  91         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
  92                 echo "...have $field field in $table table.\n";
  93         } else {
  94                 echo "Adding $field field to table $table...";
  95                 dbsource( archive($patch) , $wgDatabase );
  96                 echo "ok\n";
  97         }
  98 }
  99
 100 function do_revision_updates() {
 101         global $wgSoftwareRevision;
 102         if ( $wgSoftwareRevision < 1001 ) {
 103                 update_passwords();
 104         }
 105 }
 106
 107 function update_passwords() {
 108         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 109
 110         global $wgDatabase;
 111         $fname = "Update script: update_passwords()";
 112         print "\nIt appears that you need to update the user passwords in your\n" .
 113           "database. If you have already done this (if you've run this update\n" .
 114           "script once before, for example), doing so again will make all your\n" .
 115           "user accounts inaccessible, so be sure you only do this once.\n" .
 116           "Update user passwords? (yes/no)";
 117
 118         $resp = readconsole();
 119     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 120
 121         $sql = "SELECT user_id,user_password FROM user";
 122         $source = $wgDatabase->query( $sql, $fname );
 123
 124         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 125                 $id = $row->user_id;
 126                 $oldpass = $row->user_password;
 127                 $newpass = md5( "{$id}-{$oldpass}" );
 128
 129                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 130                   "WHERE user_id={$id}";
 131                 $wgDatabase->query( $sql, $fname );
 132         }
 133 }
 134
 135 function do_interwiki_update() {
 136         # Check that interwiki table exists; if it doesn't source it
 137         global $wgDatabase;
 138         if( $wgDatabase->tableExists( "interwiki" ) ) {
 139                 echo "...already have interwiki table\n";
 140                 return true;
 141         }
 142         echo "Creating interwiki table: ";
 143         dbsource( archive("patch-interwiki.sql") );
 144         echo "ok\n";
 145         echo "Adding default interwiki definitions: ";
 146         dbsource( "maintenance/interwiki.sql" );
 147         echo "ok\n";
 148 }
 149
 150 function do_index_update() {
 151         # Check that proper indexes are in place
 152         global $wgDatabase;
 153         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 154         if( $meta->multiple_key == 0 ) {
 155                 echo "Updating indexes to 20031107: ";
 156                 dbsource( archive("patch-indexes.sql") );
 157                 echo "ok\n";
 158                 return true;
 159         }
 160         echo "...indexes seem up to 20031107 standards\n";
 161         return false;
 162 }
 163
 164 function do_image_index_update() {
 165         global $wgDatabase;
 166
 167         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 168         if( $meta->multiple_key == 0 ) {
 169                 echo "Updating indexes to 20050912: ";
 170                 dbsource( archive("patch-mimesearch-indexes.sql") );
 171                 echo "ok\n";
 172                 return true;
 173         }
 174         echo "...indexes seem up to 20050912 standards\n";
 175         return false;
 176 }
 177
 178 function do_image_name_unique_update() {
 179         global $wgDatabase;
 180         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 181                 echo "...image primary key already set.\n";
 182         } else {
 183                 echo "Making img_name the primary key... ";
 184                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 185                 echo "ok\n";
 186         }
 187 }
 188
 189 function do_logging_timestamp_index() {
 190         global $wgDatabase;
 191         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 192                 echo "...timestamp key on logging already exists.\n";
 193         } else {
 194                 echo "Adding timestamp key on logging table... ";
 195                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 196                 echo "ok\n";
 197         }
 198 }
 199
 200
 201 function do_watchlist_update() {
 202         global $wgDatabase;
 203         $fname = 'do_watchlist_update';
 204         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 205                 echo "The watchlist table is already set up for email notification.\n";
 206         } else {
 207                 echo "Adding wl_notificationtimestamp field for email notification management.";
 208                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 209                 dbsource( "maintenance/archives/patch-email-notification.sql", $wgDatabase );
 210                 echo "ok\n";
 211         }
 212         # Check if we need to add talk page rows to the watchlist
 213         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 214         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 215         if ( $talk != $nontalk ) {
 216                 echo "Adding missing watchlist talk page rows... ";
 217                 flush();
 218
 219                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 220                         array(
 221                                 'wl_user' => 'wl_user',
 222                                 'wl_namespace' => 'wl_namespace | 1',
 223                                 'wl_title' => 'wl_title',
 224                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 225                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 226                 echo "ok\n";
 227         } else {
 228                 echo "...watchlist talk page rows already present\n";
 229         }
 230 }
 231
 232 function do_copy_newtalk_to_watchlist() {
 233         global $wgDatabase;
 234         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 235
 236         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 237                 $wgDatabase->tableName( 'user_newtalk' ) );
 238         $num_newtalks=$wgDatabase->numRows($res);
 239         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 240
 241         $user = new User();
 242         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 243                 $wluser = $wgDatabase->fetchObject( $res );
 244                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 245                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 246                                 $wgDatabase->replace( 'watchlist',
 247                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 248                                           array('wl_user'                       => 0,
 249                                                 'wl_namespace'                  => NS_USER_TALK,
 250                                                 'wl_title'                      => $wluser->user_ip,
 251                                                 'wl_notificationtimestamp'      => '19700101000000'
 252                                                 ), 'updaters.inc::do_watchlist_update2'
 253                                         );
 254                         }
 255                 } else { # normal users ... have user_ids
 256                         $user->setID($wluser->user_id);
 257                         $wgDatabase->replace( 'watchlist',
 258                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 259                                   array('wl_user'                       => $user->getID(),
 260                                         'wl_namespace'                  => NS_USER_TALK,
 261                                         'wl_title'                      => $user->getName(),
 262                                         'wl_notificationtimestamp'      => '19700101000000'
 263                                         ), 'updaters.inc::do_watchlist_update3'
 264                                 );
 265                 }
 266         }
 267         echo "Done.\n";
 268 }
 269
 270
 271 function do_user_update() {
 272         global $wgDatabase;
 273         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 274                 echo "User table contains old email authentication field. Dropping... ";
 275                 dbsource( "maintenance/archives/patch-email-authentication.sql", $wgDatabase );
 276                 echo "ok\n";
 277         } else {
 278                 echo "...user table does not contain old email authentication field.\n";
 279         }
 280 }
 281
 282 /**
 283  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 284  * which causes a collation mismatch error on joins in MySQL 4.1.
 285  */
 286 function do_logging_encoding() {
 287         global $wgDatabase, $wgDBtype;
 288         if ($wgDBtype != 'mysql')
 289                 return;
 290         $logging = $wgDatabase->tableName( 'logging' );
 291         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 292         $flags = explode( ' ', mysql_field_flags( $res, 0 ) );
 293         $wgDatabase->freeResult( $res );
 294
 295         if( in_array( 'binary', $flags ) ) {
 296                 echo "Logging table has correct title encoding.\n";
 297         } else {
 298                 echo "Fixing title encoding on logging table... ";
 299                 dbsource( 'maintenance/archives/patch-logging-title.sql', $wgDatabase );
 300                 echo "ok\n";
 301         }
 302 }
 303
 304 function do_schema_restructuring() {
 305         global $wgDatabase;
 306         $fname="do_schema_restructuring";
 307         if ( $wgDatabase->tableExists( 'page' ) ) {
 308                 echo "...page table already exists.\n";
 309         } else {
 310                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 311                 echo wfTimestamp();
 312                 echo "......checking for duplicate entries.\n"; flush();
 313
 314                 extract( $wgDatabase->tableNames( 'cur', 'old', 'page', 'revision', 'text' ) );
 315
 316                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 317                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 318
 319                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 320                         echo wfTimestamp();
 321                         echo "......<b>Found duplicate entries</b>\n";
 322                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 323                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 324                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 325                                         $duplicate[$row->cur_namespace] = array();
 326                                 }
 327                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 328                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 329                         }
 330                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 331                         $firstCond = true;
 332                         foreach ( $duplicate as $ns => $titles ) {
 333                                 if ( $firstCond ) {
 334                                         $firstCond = false;
 335                                 } else {
 336                                         $sql .= ' OR ';
 337                                 }
 338                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 339                                 $first = true;
 340                                 foreach ( $titles as $t ) {
 341                                         if ( $first ) {
 342                                                 $sql .= $wgDatabase->addQuotes( $t );
 343                                                 $first = false;
 344                                         } else {
 345                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 346                                         }
 347                                 }
 348                                 $sql .= ") ) \n";
 349                         }
 350                         # By sorting descending, the most recent entry will be the first in the list.
 351                         # All following entries will be deleted by the next while-loop.
 352                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 353
 354                         $rows = $wgDatabase->query( $sql, $fname );
 355
 356                         $prev_title = $prev_namespace = false;
 357                         $deleteId = array();
 358
 359                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 360                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 361                                         $deleteId[] = $row->cur_id;
 362                                 }
 363                                 $prev_title     = $row->cur_title;
 364                                 $prev_namespace = $row->cur_namespace;
 365                         }
 366                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 367                         $rows = $wgDatabase->query( $sql, $fname );
 368                         echo wfTimestamp();
 369                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 370                 }
 371
 372
 373                 echo wfTimestamp();
 374                 echo "......Creating tables.\n";
 375                 $wgDatabase->query("CREATE TABLE $page (
 376                         page_id int(8) unsigned NOT NULL auto_increment,
 377                         page_namespace int NOT NULL,
 378                         page_title varchar(255) binary NOT NULL,
 379                         page_restrictions tinyblob NOT NULL default '',
 380                         page_counter bigint(20) unsigned NOT NULL default '0',
 381                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 382                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 383                         page_random real unsigned NOT NULL,
 384                         page_touched char(14) binary NOT NULL default '',
 385                         page_latest int(8) unsigned NOT NULL,
 386                         page_len int(8) unsigned NOT NULL,
 387
 388                         PRIMARY KEY page_id (page_id),
 389                         UNIQUE INDEX name_title (page_namespace,page_title),
 390                         INDEX (page_random),
 391                         INDEX (page_len)
 392                         ) TYPE=InnoDB", $fname );
 393                 $wgDatabase->query("CREATE TABLE $revision (
 394                         rev_id int(8) unsigned NOT NULL auto_increment,
 395                         rev_page int(8) unsigned NOT NULL,
 396                         rev_comment tinyblob NOT NULL default '',
 397                         rev_user int(5) unsigned NOT NULL default '0',
 398                         rev_user_text varchar(255) binary NOT NULL default '',
 399                         rev_timestamp char(14) binary NOT NULL default '',
 400                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 401                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 402
 403                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 404                         UNIQUE INDEX rev_id (rev_id),
 405                         INDEX rev_timestamp (rev_timestamp),
 406                         INDEX page_timestamp (rev_page,rev_timestamp),
 407                         INDEX user_timestamp (rev_user,rev_timestamp),
 408                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 409                         ) TYPE=InnoDB", $fname );
 410
 411                 echo wfTimestamp();
 412                 echo "......Locking tables.\n";
 413                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 414
 415                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 416                 echo wfTimestamp();
 417                 echo "......maxold is {$maxold}\n";
 418
 419                 echo wfTimestamp();
 420                 global $wgLegacySchemaConversion;
 421                 if( $wgLegacySchemaConversion ) {
 422                         // Create HistoryBlobCurStub entries.
 423                         // Text will be pulled from the leftover 'cur' table at runtime.
 424                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 425                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 426                         $cur_flags = "'object'";
 427                 } else {
 428                         // Copy all cur text in immediately: this may take longer but avoids
 429                         // having to keep an extra table around.
 430                         echo "......Moving text from cur.\n";
 431                         $cur_text = 'cur_text';
 432                         $cur_flags = "''";
 433                 }
 434                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 435                                 old_timestamp, old_minor_edit, old_flags)
 436                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 437                         FROM $cur", $fname );
 438
 439                 echo wfTimestamp();
 440                 echo "......Setting up revision table.\n";
 441                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 442                                 rev_minor_edit)
 443                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 444                                 old_timestamp, old_minor_edit
 445                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 446
 447                 echo wfTimestamp();
 448                 echo "......Setting up page table.\n";
 449                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 450                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 451                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 452                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 453                         FROM $cur,$revision
 454                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 455
 456                 echo wfTimestamp();
 457                 echo "......Unlocking tables.\n";
 458                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 459
 460                 echo wfTimestamp();
 461                 echo "......Renaming old.\n";
 462                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 463
 464                 echo wfTimestamp();
 465                 echo "...done.\n";
 466         }
 467 }
 468
 469 function do_inverse_timestamp() {
 470         global $wgDatabase;
 471         $fname="do_schema_restructuring";
 472         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 473                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 474                 dbsource( 'maintenance/archives/patch-inverse_timestamp.sql', $wgDatabase );
 475                 echo "ok\n";
 476         } else {
 477                 echo "revision timestamp indexes already up to 2005-03-13\n";
 478         }
 479 }
 480
 481 function do_text_id() {
 482         global $wgDatabase;
 483         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 484                 echo "...rev_text_id already in place.\n";
 485         } else {
 486                 echo "Adding rev_text_id field... ";
 487                 dbsource( 'maintenance/archives/patch-rev_text_id.sql', $wgDatabase );
 488                 echo "ok\n";
 489         }
 490 }
 491
 492 function do_namespace_size() {
 493         $tables = array(
 494                 'page'          => 'page',
 495                 'archive'       => 'ar',
 496                 'recentchanges' => 'rc',
 497                 'watchlist'     => 'wl',
 498                 'querycache'    => 'qc',
 499                 'logging'       => 'log',
 500         );
 501         foreach( $tables as $table => $prefix ) {
 502                 do_namespace_size_on( $table, $prefix );
 503                 flush();
 504         }
 505 }
 506
 507 function do_namespace_size_on( $table, $prefix ) {
 508         global $wgDatabase, $wgDBtype;
 509         if ($wgDBtype != 'mysql')
 510                 return;
 511         $field = $prefix . '_namespace';
 512
 513         $tablename = $wgDatabase->tableName( $table );
 514         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 515         $info = $wgDatabase->fetchObject( $result );
 516         $wgDatabase->freeResult( $result );
 517
 518         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 519                 echo "...$field is already a full int ($info->Type).\n";
 520         } else {
 521                 echo "Promoting $field from $info->Type to int... ";
 522
 523                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 524                 $wgDatabase->query( $sql );
 525
 526                 echo "ok\n";
 527         }
 528 }
 529
 530 function do_pagelinks_update() {
 531         global $wgDatabase;
 532         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 533                 echo "...already have pagelinks table.\n";
 534         } else {
 535                 echo "Converting links and brokenlinks tables to pagelinks... ";
 536                 dbsource( "maintenance/archives/patch-pagelinks.sql", $wgDatabase );
 537                 echo "ok\n";
 538                 flush();
 539
 540                 global $wgCanonicalNamespaceNames;
 541                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 542                         if( $ns != 0 ) {
 543                                 do_pagelinks_namespace( $ns );
 544                         }
 545                 }
 546         }
 547 }
 548
 549 function do_pagelinks_namespace( $namespace ) {
 550         global $wgDatabase, $wgContLang;
 551
 552         $ns = intval( $namespace );
 553         echo "Cleaning up broken links for namespace $ns... ";
 554
 555         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 556         $name = $wgContLang->getNsText( $ns );
 557         $prefix = $wgDatabase->strencode( $name );
 558         $likeprefix = str_replace( '_', '\\_', $prefix);
 559
 560         $sql = "UPDATE $pagelinks
 561                    SET pl_namespace=$ns,
 562                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 563                  WHERE pl_namespace=0
 564                    AND pl_title LIKE '$likeprefix:%'";
 565
 566         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 567         echo "ok\n";
 568 }
 569
 570 function do_drop_img_type() {
 571         global $wgDatabase;
 572
 573         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 574                 echo "Dropping unused img_type field in image table... ";
 575                 dbsource( "maintenance/archives/patch-drop_img_type.sql", $wgDatabase );
 576                 echo "ok\n";
 577         } else {
 578                 echo "No img_type field in image table; Good.\n";
 579         }
 580 }
 581
 582 function do_old_links_update() {
 583         global $wgDatabase;
 584         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 585                 echo "Already have pagelinks; skipping old links table updates.\n";
 586         } else {
 587                 convertLinks(); flush();
 588         }
 589 }
 590
 591 function do_user_unique_update() {
 592         global $wgDatabase;
 593         $duper = new UserDupes( $wgDatabase );
 594         if( $duper->hasUniqueIndex() ) {
 595                 echo "Already have unique user_name index.\n";
 596         } else {
 597                 if( !$duper->clearDupes() ) {
 598                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 599                 }
 600                 echo "Adding unique index on user_name... ";
 601                 dbsource( 'maintenance/archives/patch-user_nameindex.sql', $wgDatabase );
 602                 echo "ok\n";
 603         }
 604 }
 605
 606 function do_user_groups_update() {
 607         $fname = 'do_user_groups_update';
 608         global $wgDatabase;
 609
 610         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 611                 echo "...user_groups table already exists.\n";
 612                 return do_user_groups_reformat();
 613         }
 614
 615         echo "Adding user_groups table... ";
 616         dbsource( 'maintenance/archives/patch-user_groups.sql', $wgDatabase );
 617         echo "ok\n";
 618
 619         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 620                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 621                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 622                         dbsource( 'maintenance/archives/patch-user_rights.sql', $wgDatabase );
 623                         echo "ok\n";
 624                 } else {
 625                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 626                         echo "*** You may need to manually configure some sysops by manipulating\n";
 627                         echo "*** the user_groups table.\n";
 628                         return;
 629                 }
 630         }
 631
 632         echo "Converting user_rights table to user_groups... ";
 633         $result = $wgDatabase->select( 'user_rights',
 634                 array( 'ur_user', 'ur_rights' ),
 635                 array( "ur_rights != ''" ),
 636                 $fname );
 637
 638         while( $row = $wgDatabase->fetchObject( $result ) ) {
 639                 $groups = array_unique(
 640                         array_map( 'trim',
 641                                 explode( ',', $row->ur_rights ) ) );
 642
 643                 foreach( $groups as $group ) {
 644                         $wgDatabase->insert( 'user_groups',
 645                                 array(
 646                                         'ug_user'  => $row->ur_user,
 647                                         'ug_group' => $group ),
 648                                 $fname );
 649                 }
 650         }
 651         $wgDatabase->freeResult( $result );
 652         echo "ok\n";
 653 }
 654
 655 function do_user_groups_reformat() {
 656         # Check for bogus formats from previous 1.5 alpha code.
 657         global $wgDatabase;
 658         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 659
 660         if( $info->type == 'int' ) {
 661                 $oldug = $wgDatabase->tableName( 'user_groups' );
 662                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 663                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 664                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 665                 echo "ok\n";
 666
 667                 echo "Re-adding fresh user_groups table... ";
 668                 dbsource( 'maintenance/archives/patch-user_groups.sql', $wgDatabase );
 669                 echo "ok\n";
 670
 671                 echo "***\n";
 672                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 673                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 674                 echo "***\n";
 675         } else {
 676                 echo "...user_groups is in current format.\n";
 677         }
 678
 679 }
 680
 681 function do_watchlist_null() {
 682         # Make sure wl_notificationtimestamp can be NULL,
 683         # and update old broken items.
 684         global $wgDatabase;
 685         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 686
 687         if( $info->not_null ) {
 688                 echo "Making wl_notificationtimestamp nullable... ";
 689                 dbsource( 'maintenance/archives/patch-watchlist-null.sql', $wgDatabase );
 690                 echo "ok\n";
 691         } else {
 692                 echo "...wl_notificationtimestamp is already nullable.\n";
 693         }
 694
 695 }
 696
 697 /**
 698  * @bug 3946
 699  */
 700 function do_page_random_update() {
 701         global $wgDatabase;
 702
 703         echo "Setting page_random to a random value on rows where it equals 0...";
 704
 705         $page = $wgDatabase->tableName( 'page' );
 706         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 707         $rows = $wgDatabase->affectedRows();
 708
 709         echo "changed $rows rows\n";
 710 }
 711
 712 function do_templatelinks_update() {
 713         global $wgDatabase, $wgLoadBalancer;
 714         $fname = 'do_templatelinks_update';
 715
 716         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 717                 echo "...templatelinks table already exists\n";
 718                 return;
 719         }
 720         echo "Creating templatelinks table...\n";
 721         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 722         echo "Populating...\n";
 723         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 724                 // Slow, replication-friendly update
 725                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 726                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 727                 $count = 0;
 728                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 729                         $count = ($count + 1) % 100;
 730                         if ( $count == 0 ) {
 731                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 732                                         wfWaitForSlaves( 10 );
 733                                 } else {
 734                                         sleep( 1 );
 735                                 }
 736                         }
 737                         $wgDatabase->insert( 'templatelinks',
 738                                 array(
 739                                         'tl_from' => $row->pl_from,
 740                                         'tl_namespace' => $row->pl_namespace,
 741                                         'tl_title' => $row->pl_title,
 742                                 ), $fname
 743                         );
 744
 745                 }
 746                 $wgDatabase->freeResult( $res );
 747         } else {
 748                 // Fast update
 749                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 750                         array(
 751                                 'tl_from' => 'pl_from',
 752                                 'tl_namespace' => 'pl_namespace',
 753                                 'tl_title' => 'pl_title'
 754                         ), array(
 755                                 'pl_namespace' => 10
 756                         ), $fname
 757                 );
 758         }
 759         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 760 }
 761
 762 function do_all_updates( $doShared = false ) {
 763         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase;
 764
 765         $doUser = !$wgSharedDB || $doShared;
 766
 767         # Rename tables
 768         foreach ( $wgRenamedTables as $tableRecord ) {
 769                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 770         }
 771
 772         # Add missing tables
 773         foreach ( $wgNewTables as $tableRecord ) {
 774                 add_table( $tableRecord[0], $tableRecord[1] );
 775                 flush();
 776         }
 777
 778         # Add missing fields
 779         foreach ( $wgNewFields as $fieldRecord ) {
 780                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 781                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 782                 }
 783                 flush();
 784         }
 785
 786         # Do schema updates which require special handling
 787         do_interwiki_update(); flush();
 788         do_index_update(); flush();
 789         do_old_links_update(); flush();
 790         do_image_name_unique_update(); flush();
 791         do_watchlist_update(); flush();
 792         if ( $doUser ) {
 793                 do_user_update(); flush();
 794         }
 795 ######  do_copy_newtalk_to_watchlist(); flush();
 796         do_logging_encoding(); flush();
 797
 798         do_schema_restructuring(); flush();
 799         do_inverse_timestamp(); flush();
 800         do_text_id(); flush();
 801         do_namespace_size(); flush();
 802
 803         do_pagelinks_update(); flush();
 804         do_templatelinks_update(); flush(); // after pagelinks
 805
 806         do_drop_img_type(); flush();
 807
 808         if ( $doUser ) {
 809                 do_user_unique_update(); flush();
 810         }
 811         do_user_groups_update(); flush();
 812
 813         do_watchlist_null(); flush();
 814
 815         //do_image_index_update(); flush();
 816
 817         do_logging_timestamp_index(); flush();
 818
 819         do_page_random_update(); flush();
 820
 821         initialiseMessages(); flush();
 822 }
 823
 824 function archive($name) {
 825         global $wgDBtype, $IP;
 826         switch ($wgDBtype) {
 827         case "oracle":
 828                 return "$IP/maintenance/oracle/archives/$name";
 829         default:
 830                 return "$IP/maintenance/archives/$name";
 831         }
 832 }
 833 ?>