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