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