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         array( 'langlinks',     'patch-langlinks.sql' ),
  32         array( 'querycache_info', 'patch-querycacheinfo.sql' ),
  33         array( 'filearchive',   'patch-filearchive.sql' ),
  34 );
  35
  36 $wgNewFields = array(
  37 #           table            field             patch file (in maintenance/archives)
  38         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  39         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  40         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  41         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  43         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  44         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  45         array( 'user',          'user_token',       'patch-user_token.sql' ),
  46         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  47         array( 'user',          'user_registration','patch-user_registration.sql' ),
  48         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  49         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  50         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  51         array( 'page',          'page_len',         'patch-page_len.sql' ),
  52         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  53         array( 'image',         'img_width',        'patch-img_width.sql' ),
  54         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  55         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  56         array( 'validate',      'val_ip',           'patch-val_ip.sql' ),
  57         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  58         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  59         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  60         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  61 );
  62
  63 function rename_table( $from, $to, $patch ) {
  64         global $wgDatabase;
  65         if ( $wgDatabase->tableExists( $from ) ) {
  66                 if ( $wgDatabase->tableExists( $to ) ) {
  67                         echo "...can't move table $from to $to, $to already exists.\n";
  68                 } else {
  69                         echo "Moving table $from to $to...";
  70                         dbsource( archive($patch), $wgDatabase );
  71                         echo "ok\n";
  72                 }
  73         } else {
  74                 // Source table does not exist
  75                 // Renames are done before creations, so this is typical for a new installation
  76                 // Ignore silently
  77         }
  78 }
  79
  80 function add_table( $name, $patch ) {
  81         global $wgDatabase;
  82         if ( $wgDatabase->tableExists( $name ) ) {
  83                 echo "...$name table already exists.\n";
  84         } else {
  85                 echo "Creating $name table...";
  86                 dbsource( archive($patch), $wgDatabase );
  87                 echo "ok\n";
  88         }
  89 }
  90
  91 function add_field( $table, $field, $patch ) {
  92         global $wgDatabase;
  93         if ( !$wgDatabase->tableExists( $table ) ) {
  94                 echo "...$table table does not exist, skipping new field patch\n";
  95         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
  96                 echo "...have $field field in $table table.\n";
  97         } else {
  98                 echo "Adding $field field to table $table...";
  99                 dbsource( archive($patch) , $wgDatabase );
 100                 echo "ok\n";
 101         }
 102 }
 103
 104 function do_revision_updates() {
 105         global $wgSoftwareRevision;
 106         if ( $wgSoftwareRevision < 1001 ) {
 107                 update_passwords();
 108         }
 109 }
 110
 111 function update_passwords() {
 112         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 113
 114         global $wgDatabase;
 115         $fname = "Update script: update_passwords()";
 116         print "\nIt appears that you need to update the user passwords in your\n" .
 117           "database. If you have already done this (if you've run this update\n" .
 118           "script once before, for example), doing so again will make all your\n" .
 119           "user accounts inaccessible, so be sure you only do this once.\n" .
 120           "Update user passwords? (yes/no)";
 121
 122         $resp = readconsole();
 123     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 124
 125         $sql = "SELECT user_id,user_password FROM user";
 126         $source = $wgDatabase->query( $sql, $fname );
 127
 128         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 129                 $id = $row->user_id;
 130                 $oldpass = $row->user_password;
 131                 $newpass = md5( "{$id}-{$oldpass}" );
 132
 133                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 134                   "WHERE user_id={$id}";
 135                 $wgDatabase->query( $sql, $fname );
 136         }
 137 }
 138
 139 function do_interwiki_update() {
 140         # Check that interwiki table exists; if it doesn't source it
 141         global $wgDatabase, $IP;
 142         if( $wgDatabase->tableExists( "interwiki" ) ) {
 143                 echo "...already have interwiki table\n";
 144                 return true;
 145         }
 146         echo "Creating interwiki table: ";
 147         dbsource( archive("patch-interwiki.sql") );
 148         echo "ok\n";
 149         echo "Adding default interwiki definitions: ";
 150         dbsource( "$IP/maintenance/interwiki.sql" );
 151         echo "ok\n";
 152 }
 153
 154 function do_index_update() {
 155         # Check that proper indexes are in place
 156         global $wgDatabase;
 157         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 158         if( $meta->multiple_key == 0 ) {
 159                 echo "Updating indexes to 20031107: ";
 160                 dbsource( archive("patch-indexes.sql") );
 161                 echo "ok\n";
 162                 return true;
 163         }
 164         echo "...indexes seem up to 20031107 standards\n";
 165         return false;
 166 }
 167
 168 function do_image_index_update() {
 169         global $wgDatabase;
 170
 171         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 172         if( $meta->multiple_key == 0 ) {
 173                 echo "Updating indexes to 20050912: ";
 174                 dbsource( archive("patch-mimesearch-indexes.sql") );
 175                 echo "ok\n";
 176                 return true;
 177         }
 178         echo "...indexes seem up to 20050912 standards\n";
 179         return false;
 180 }
 181
 182 function do_image_name_unique_update() {
 183         global $wgDatabase;
 184         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 185                 echo "...image primary key already set.\n";
 186         } else {
 187                 echo "Making img_name the primary key... ";
 188                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 189                 echo "ok\n";
 190         }
 191 }
 192
 193 function do_logging_timestamp_index() {
 194         global $wgDatabase;
 195         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 196                 echo "...timestamp key on logging already exists.\n";
 197         } else {
 198                 echo "Adding timestamp key on logging table... ";
 199                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 200                 echo "ok\n";
 201         }
 202 }
 203
 204
 205 function do_watchlist_update() {
 206         global $wgDatabase;
 207         $fname = 'do_watchlist_update';
 208         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 209                 echo "The watchlist table is already set up for email notification.\n";
 210         } else {
 211                 echo "Adding wl_notificationtimestamp field for email notification management.";
 212                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 213                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 214                 echo "ok\n";
 215         }
 216         # Check if we need to add talk page rows to the watchlist
 217         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 218         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 219         if ( $talk != $nontalk ) {
 220                 echo "Adding missing watchlist talk page rows... ";
 221                 flush();
 222
 223                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 224                         array(
 225                                 'wl_user' => 'wl_user',
 226                                 'wl_namespace' => 'wl_namespace | 1',
 227                                 'wl_title' => 'wl_title',
 228                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 229                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 230                 echo "ok\n";
 231         } else {
 232                 echo "...watchlist talk page rows already present\n";
 233         }
 234 }
 235
 236 function do_copy_newtalk_to_watchlist() {
 237         global $wgDatabase;
 238         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 239
 240         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 241                 $wgDatabase->tableName( 'user_newtalk' ) );
 242         $num_newtalks=$wgDatabase->numRows($res);
 243         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 244
 245         $user = new User();
 246         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 247                 $wluser = $wgDatabase->fetchObject( $res );
 248                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 249                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 250                                 $wgDatabase->replace( 'watchlist',
 251                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 252                                           array('wl_user'                       => 0,
 253                                                 'wl_namespace'                  => NS_USER_TALK,
 254                                                 'wl_title'                      => $wluser->user_ip,
 255                                                 'wl_notificationtimestamp'      => '19700101000000'
 256                                                 ), 'updaters.inc::do_watchlist_update2'
 257                                         );
 258                         }
 259                 } else { # normal users ... have user_ids
 260                         $user->setID($wluser->user_id);
 261                         $wgDatabase->replace( 'watchlist',
 262                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 263                                   array('wl_user'                       => $user->getID(),
 264                                         'wl_namespace'                  => NS_USER_TALK,
 265                                         'wl_title'                      => $user->getName(),
 266                                         'wl_notificationtimestamp'      => '19700101000000'
 267                                         ), 'updaters.inc::do_watchlist_update3'
 268                                 );
 269                 }
 270         }
 271         echo "Done.\n";
 272 }
 273
 274
 275 function do_user_update() {
 276         global $wgDatabase;
 277         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 278                 echo "User table contains old email authentication field. Dropping... ";
 279                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 280                 echo "ok\n";
 281         } else {
 282                 echo "...user table does not contain old email authentication field.\n";
 283         }
 284 }
 285
 286 /**
 287  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 288  * which causes a collation mismatch error on joins in MySQL 4.1.
 289  */
 290 function do_logging_encoding() {
 291         global $wgDatabase, $wgDBtype;
 292         if ($wgDBtype != 'mysql')
 293                 return;
 294         $logging = $wgDatabase->tableName( 'logging' );
 295         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 296         $flags = explode( ' ', mysql_field_flags( $res, 0 ) );
 297         $wgDatabase->freeResult( $res );
 298
 299         if( in_array( 'binary', $flags ) ) {
 300                 echo "Logging table has correct title encoding.\n";
 301         } else {
 302                 echo "Fixing title encoding on logging table... ";
 303                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 304                 echo "ok\n";
 305         }
 306 }
 307
 308 function do_schema_restructuring() {
 309         global $wgDatabase;
 310         $fname="do_schema_restructuring";
 311         if ( $wgDatabase->tableExists( 'page' ) ) {
 312                 echo "...page table already exists.\n";
 313         } else {
 314                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 315                 echo wfTimestamp();
 316                 echo "......checking for duplicate entries.\n"; flush();
 317
 318                 extract( $wgDatabase->tableNames( 'cur', 'old', 'page', 'revision', 'text' ) );
 319
 320                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 321                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 322
 323                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 324                         echo wfTimestamp();
 325                         echo "......<b>Found duplicate entries</b>\n";
 326                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 327                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 328                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 329                                         $duplicate[$row->cur_namespace] = array();
 330                                 }
 331                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 332                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 333                         }
 334                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 335                         $firstCond = true;
 336                         foreach ( $duplicate as $ns => $titles ) {
 337                                 if ( $firstCond ) {
 338                                         $firstCond = false;
 339                                 } else {
 340                                         $sql .= ' OR ';
 341                                 }
 342                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 343                                 $first = true;
 344                                 foreach ( $titles as $t ) {
 345                                         if ( $first ) {
 346                                                 $sql .= $wgDatabase->addQuotes( $t );
 347                                                 $first = false;
 348                                         } else {
 349                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 350                                         }
 351                                 }
 352                                 $sql .= ") ) \n";
 353                         }
 354                         # By sorting descending, the most recent entry will be the first in the list.
 355                         # All following entries will be deleted by the next while-loop.
 356                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 357
 358                         $rows = $wgDatabase->query( $sql, $fname );
 359
 360                         $prev_title = $prev_namespace = false;
 361                         $deleteId = array();
 362
 363                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 364                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 365                                         $deleteId[] = $row->cur_id;
 366                                 }
 367                                 $prev_title     = $row->cur_title;
 368                                 $prev_namespace = $row->cur_namespace;
 369                         }
 370                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 371                         $rows = $wgDatabase->query( $sql, $fname );
 372                         echo wfTimestamp();
 373                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 374                 }
 375
 376
 377                 echo wfTimestamp();
 378                 echo "......Creating tables.\n";
 379                 $wgDatabase->query("CREATE TABLE $page (
 380                         page_id int(8) unsigned NOT NULL auto_increment,
 381                         page_namespace int NOT NULL,
 382                         page_title varchar(255) binary NOT NULL,
 383                         page_restrictions tinyblob NOT NULL default '',
 384                         page_counter bigint(20) unsigned NOT NULL default '0',
 385                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 386                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 387                         page_random real unsigned NOT NULL,
 388                         page_touched char(14) binary NOT NULL default '',
 389                         page_latest int(8) unsigned NOT NULL,
 390                         page_len int(8) unsigned NOT NULL,
 391
 392                         PRIMARY KEY page_id (page_id),
 393                         UNIQUE INDEX name_title (page_namespace,page_title),
 394                         INDEX (page_random),
 395                         INDEX (page_len)
 396                         ) TYPE=InnoDB", $fname );
 397                 $wgDatabase->query("CREATE TABLE $revision (
 398                         rev_id int(8) unsigned NOT NULL auto_increment,
 399                         rev_page int(8) unsigned NOT NULL,
 400                         rev_comment tinyblob NOT NULL default '',
 401                         rev_user int(5) unsigned NOT NULL default '0',
 402                         rev_user_text varchar(255) binary NOT NULL default '',
 403                         rev_timestamp char(14) binary NOT NULL default '',
 404                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 405                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 406
 407                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 408                         UNIQUE INDEX rev_id (rev_id),
 409                         INDEX rev_timestamp (rev_timestamp),
 410                         INDEX page_timestamp (rev_page,rev_timestamp),
 411                         INDEX user_timestamp (rev_user,rev_timestamp),
 412                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 413                         ) TYPE=InnoDB", $fname );
 414
 415                 echo wfTimestamp();
 416                 echo "......Locking tables.\n";
 417                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 418
 419                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 420                 echo wfTimestamp();
 421                 echo "......maxold is {$maxold}\n";
 422
 423                 echo wfTimestamp();
 424                 global $wgLegacySchemaConversion;
 425                 if( $wgLegacySchemaConversion ) {
 426                         // Create HistoryBlobCurStub entries.
 427                         // Text will be pulled from the leftover 'cur' table at runtime.
 428                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 429                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 430                         $cur_flags = "'object'";
 431                 } else {
 432                         // Copy all cur text in immediately: this may take longer but avoids
 433                         // having to keep an extra table around.
 434                         echo "......Moving text from cur.\n";
 435                         $cur_text = 'cur_text';
 436                         $cur_flags = "''";
 437                 }
 438                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 439                                 old_timestamp, old_minor_edit, old_flags)
 440                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 441                         FROM $cur", $fname );
 442
 443                 echo wfTimestamp();
 444                 echo "......Setting up revision table.\n";
 445                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 446                                 rev_minor_edit)
 447                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 448                                 old_timestamp, old_minor_edit
 449                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 450
 451                 echo wfTimestamp();
 452                 echo "......Setting up page table.\n";
 453                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 454                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 455                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 456                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 457                         FROM $cur,$revision
 458                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 459
 460                 echo wfTimestamp();
 461                 echo "......Unlocking tables.\n";
 462                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 463
 464                 echo wfTimestamp();
 465                 echo "......Renaming old.\n";
 466                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 467
 468                 echo wfTimestamp();
 469                 echo "...done.\n";
 470         }
 471 }
 472
 473 function do_inverse_timestamp() {
 474         global $wgDatabase;
 475         $fname="do_schema_restructuring";
 476         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 477                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 478                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 479                 echo "ok\n";
 480         } else {
 481                 echo "revision timestamp indexes already up to 2005-03-13\n";
 482         }
 483 }
 484
 485 function do_text_id() {
 486         global $wgDatabase;
 487         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 488                 echo "...rev_text_id already in place.\n";
 489         } else {
 490                 echo "Adding rev_text_id field... ";
 491                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 492                 echo "ok\n";
 493         }
 494 }
 495
 496 function do_namespace_size() {
 497         $tables = array(
 498                 'page'          => 'page',
 499                 'archive'       => 'ar',
 500                 'recentchanges' => 'rc',
 501                 'watchlist'     => 'wl',
 502                 'querycache'    => 'qc',
 503                 'logging'       => 'log',
 504         );
 505         foreach( $tables as $table => $prefix ) {
 506                 do_namespace_size_on( $table, $prefix );
 507                 flush();
 508         }
 509 }
 510
 511 function do_namespace_size_on( $table, $prefix ) {
 512         global $wgDatabase, $wgDBtype;
 513         if ($wgDBtype != 'mysql')
 514                 return;
 515         $field = $prefix . '_namespace';
 516
 517         $tablename = $wgDatabase->tableName( $table );
 518         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 519         $info = $wgDatabase->fetchObject( $result );
 520         $wgDatabase->freeResult( $result );
 521
 522         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 523                 echo "...$field is already a full int ($info->Type).\n";
 524         } else {
 525                 echo "Promoting $field from $info->Type to int... ";
 526
 527                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 528                 $wgDatabase->query( $sql );
 529
 530                 echo "ok\n";
 531         }
 532 }
 533
 534 function do_pagelinks_update() {
 535         global $wgDatabase;
 536         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 537                 echo "...already have pagelinks table.\n";
 538         } else {
 539                 echo "Converting links and brokenlinks tables to pagelinks... ";
 540                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 541                 echo "ok\n";
 542                 flush();
 543
 544                 global $wgCanonicalNamespaceNames;
 545                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 546                         if( $ns != 0 ) {
 547                                 do_pagelinks_namespace( $ns );
 548                         }
 549                 }
 550         }
 551 }
 552
 553 function do_pagelinks_namespace( $namespace ) {
 554         global $wgDatabase, $wgContLang;
 555
 556         $ns = intval( $namespace );
 557         echo "Cleaning up broken links for namespace $ns... ";
 558
 559         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 560         $name = $wgContLang->getNsText( $ns );
 561         $prefix = $wgDatabase->strencode( $name );
 562         $likeprefix = str_replace( '_', '\\_', $prefix);
 563
 564         $sql = "UPDATE $pagelinks
 565                    SET pl_namespace=$ns,
 566                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 567                  WHERE pl_namespace=0
 568                    AND pl_title LIKE '$likeprefix:%'";
 569
 570         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 571         echo "ok\n";
 572 }
 573
 574 function do_drop_img_type() {
 575         global $wgDatabase;
 576
 577         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 578                 echo "Dropping unused img_type field in image table... ";
 579                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 580                 echo "ok\n";
 581         } else {
 582                 echo "No img_type field in image table; Good.\n";
 583         }
 584 }
 585
 586 function do_old_links_update() {
 587         global $wgDatabase;
 588         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 589                 echo "Already have pagelinks; skipping old links table updates.\n";
 590         } else {
 591                 convertLinks(); flush();
 592         }
 593 }
 594
 595 function do_user_unique_update() {
 596         global $wgDatabase;
 597         $duper = new UserDupes( $wgDatabase );
 598         if( $duper->hasUniqueIndex() ) {
 599                 echo "Already have unique user_name index.\n";
 600         } else {
 601                 if( !$duper->clearDupes() ) {
 602                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 603                 }
 604                 echo "Adding unique index on user_name... ";
 605                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 606                 echo "ok\n";
 607         }
 608 }
 609
 610 function do_user_groups_update() {
 611         $fname = 'do_user_groups_update';
 612         global $wgDatabase;
 613
 614         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 615                 echo "...user_groups table already exists.\n";
 616                 return do_user_groups_reformat();
 617         }
 618
 619         echo "Adding user_groups table... ";
 620         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 621         echo "ok\n";
 622
 623         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 624                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 625                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 626                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 627                         echo "ok\n";
 628                 } else {
 629                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 630                         echo "*** You may need to manually configure some sysops by manipulating\n";
 631                         echo "*** the user_groups table.\n";
 632                         return;
 633                 }
 634         }
 635
 636         echo "Converting user_rights table to user_groups... ";
 637         $result = $wgDatabase->select( 'user_rights',
 638                 array( 'ur_user', 'ur_rights' ),
 639                 array( "ur_rights != ''" ),
 640                 $fname );
 641
 642         while( $row = $wgDatabase->fetchObject( $result ) ) {
 643                 $groups = array_unique(
 644                         array_map( 'trim',
 645                                 explode( ',', $row->ur_rights ) ) );
 646
 647                 foreach( $groups as $group ) {
 648                         $wgDatabase->insert( 'user_groups',
 649                                 array(
 650                                         'ug_user'  => $row->ur_user,
 651                                         'ug_group' => $group ),
 652                                 $fname );
 653                 }
 654         }
 655         $wgDatabase->freeResult( $result );
 656         echo "ok\n";
 657 }
 658
 659 function do_user_groups_reformat() {
 660         # Check for bogus formats from previous 1.5 alpha code.
 661         global $wgDatabase;
 662         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 663
 664         if( $info->type == 'int' ) {
 665                 $oldug = $wgDatabase->tableName( 'user_groups' );
 666                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 667                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 668                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 669                 echo "ok\n";
 670
 671                 echo "Re-adding fresh user_groups table... ";
 672                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 673                 echo "ok\n";
 674
 675                 echo "***\n";
 676                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 677                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 678                 echo "***\n";
 679         } else {
 680                 echo "...user_groups is in current format.\n";
 681         }
 682
 683 }
 684
 685 function do_watchlist_null() {
 686         # Make sure wl_notificationtimestamp can be NULL,
 687         # and update old broken items.
 688         global $wgDatabase;
 689         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 690
 691         if( $info->not_null ) {
 692                 echo "Making wl_notificationtimestamp nullable... ";
 693                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 694                 echo "ok\n";
 695         } else {
 696                 echo "...wl_notificationtimestamp is already nullable.\n";
 697         }
 698
 699 }
 700
 701 /**
 702  * @bug 3946
 703  */
 704 function do_page_random_update() {
 705         global $wgDatabase;
 706
 707         echo "Setting page_random to a random value on rows where it equals 0...";
 708
 709         $page = $wgDatabase->tableName( 'page' );
 710         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 711         $rows = $wgDatabase->affectedRows();
 712
 713         echo "changed $rows rows\n";
 714 }
 715
 716 function do_templatelinks_update() {
 717         global $wgDatabase, $wgLoadBalancer;
 718         $fname = 'do_templatelinks_update';
 719
 720         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 721                 echo "...templatelinks table already exists\n";
 722                 return;
 723         }
 724         echo "Creating templatelinks table...\n";
 725         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 726         echo "Populating...\n";
 727         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 728                 // Slow, replication-friendly update
 729                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 730                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 731                 $count = 0;
 732                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 733                         $count = ($count + 1) % 100;
 734                         if ( $count == 0 ) {
 735                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 736                                         wfWaitForSlaves( 10 );
 737                                 } else {
 738                                         sleep( 1 );
 739                                 }
 740                         }
 741                         $wgDatabase->insert( 'templatelinks',
 742                                 array(
 743                                         'tl_from' => $row->pl_from,
 744                                         'tl_namespace' => $row->pl_namespace,
 745                                         'tl_title' => $row->pl_title,
 746                                 ), $fname
 747                         );
 748
 749                 }
 750                 $wgDatabase->freeResult( $res );
 751         } else {
 752                 // Fast update
 753                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 754                         array(
 755                                 'tl_from' => 'pl_from',
 756                                 'tl_namespace' => 'pl_namespace',
 757                                 'tl_title' => 'pl_title'
 758                         ), array(
 759                                 'pl_namespace' => 10
 760                         ), $fname
 761                 );
 762         }
 763         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 764 }
 765
 766 function do_all_updates( $doShared = false ) {
 767         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase;
 768
 769         $doUser = !$wgSharedDB || $doShared;
 770
 771         # Rename tables
 772         foreach ( $wgRenamedTables as $tableRecord ) {
 773                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 774         }
 775
 776         # Add missing tables
 777         foreach ( $wgNewTables as $tableRecord ) {
 778                 add_table( $tableRecord[0], $tableRecord[1] );
 779                 flush();
 780         }
 781
 782         # Add missing fields
 783         foreach ( $wgNewFields as $fieldRecord ) {
 784                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 785                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 786                 }
 787                 flush();
 788         }
 789
 790         # Do schema updates which require special handling
 791         do_interwiki_update(); flush();
 792         do_index_update(); flush();
 793         do_old_links_update(); flush();
 794         do_image_name_unique_update(); flush();
 795         do_watchlist_update(); flush();
 796         if ( $doUser ) {
 797                 do_user_update(); flush();
 798         }
 799 ######  do_copy_newtalk_to_watchlist(); flush();
 800         do_logging_encoding(); flush();
 801
 802         do_schema_restructuring(); flush();
 803         do_inverse_timestamp(); flush();
 804         do_text_id(); flush();
 805         do_namespace_size(); flush();
 806
 807         do_pagelinks_update(); flush();
 808         do_templatelinks_update(); flush(); // after pagelinks
 809
 810         do_drop_img_type(); flush();
 811
 812         if ( $doUser ) {
 813                 do_user_unique_update(); flush();
 814         }
 815         do_user_groups_update(); flush();
 816
 817         do_watchlist_null(); flush();
 818
 819         //do_image_index_update(); flush();
 820
 821         do_logging_timestamp_index(); flush();
 822
 823         do_page_random_update(); flush();
 824
 825         initialiseMessages(); flush();
 826 }
 827
 828 function archive($name) {
 829         global $wgDBtype, $IP;
 830         switch ($wgDBtype) {
 831         case "oracle":
 832                 return "$IP/maintenance/oracle/archives/$name";
 833         default:
 834                 return "$IP/maintenance/archives/$name";
 835         }
 836 }
 837 ?>