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