maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @addtogroup Maintenance
   4  */
   5
   6  /** */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         echo "This file is not a valid entry point\n";
  10         exit( 1 );
  11 }
  12
  13 require_once 'convertLinks.inc';
  14 require_once 'userDupes.inc';
  15 require_once 'deleteDefaultMessages.php';
  16 # Extension updates
  17 require_once( "$IP/includes/Hooks.php" );
  18
  19 $wgRenamedTables = array(
  20 #           from             to                  patch file
  21 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  22 );
  23
  24 $wgNewTables = array(
  25 #            table          patch file (in maintenance/archives)
  26         array( 'hitcounter',    'patch-hitcounter.sql' ),
  27         array( 'querycache',    'patch-querycache.sql' ),
  28         array( 'objectcache',   'patch-objectcache.sql' ),
  29         array( 'categorylinks', 'patch-categorylinks.sql' ),
  30         array( 'logging',       'patch-logging.sql' ),
  31         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  32         array( 'transcache',    'patch-transcache.sql' ),
  33         array( 'trackbacks',    'patch-trackbacks.sql' ),
  34         array( 'externallinks', 'patch-externallinks.sql' ),
  35         array( 'job',           'patch-job.sql' ),
  36         array( 'langlinks',     'patch-langlinks.sql' ),
  37         array( 'querycache_info', 'patch-querycacheinfo.sql' ),
  38         array( 'filearchive',   'patch-filearchive.sql' ),
  39         array( 'querycachetwo', 'patch-querycachetwo.sql' ),
  40         array( 'redirect', 'patch-redirect.sql' ),
  41 );
  42
  43 $wgNewFields = array(
  44 #           table            field             patch file (in maintenance/archives)
  45         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  46         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  47         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  48         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  49         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  50         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  51         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  52         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  53         array( 'user',          'user_token',       'patch-user_token.sql' ),
  54         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  55         array( 'user',          'user_registration','patch-user_registration.sql' ),
  56         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  57         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  58         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  59         array( 'page',          'page_len',         'patch-page_len.sql' ),
  60         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  61         array( 'image',         'img_width',        'patch-img_width.sql' ),
  62         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  63         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  64         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  65         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  66         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  67         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  68         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  69         array( 'ipblocks',              'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  70         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  71         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  72         array( 'recentchanges', 'rc_deleted',           'patch-rc_deleted.sql' ),
  73         array( 'logging',               'log_id',                       'patch-log_id.sql' ),
  74         array( 'logging',               'log_deleted',          'patch-log_deleted.sql' ),
  75         array( 'archive',               'ar_deleted',           'patch-ar_deleted.sql' ),
  76         array( 'ipblocks',              'ipb_deleted',          'patch-ipb_deleted.sql' ),
  77         array( 'filearchive',   'fa_deleted',           'patch-fa_deleted.sql' ),
  78         array( 'revision',          'rev_len',          'patch-rev_len.sql' ),
  79         array( 'archive',           'ar_len',           'patch-ar_len.sql' ),
  80         array( 'revision',          'rev_parent_id',    'patch-rev_parent_id.sql' ),
  81         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  82         array( 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
  83         array( 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
  84         array( 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
  85         array( 'image',         'img_sha1',         'patch-img_sha1.sql' ),
  86 );
  87
  88 # For extensions only, should be populated via hooks
  89 # $wgDBtype should be checked to specifiy the proper file
  90 $wgExtNewTables = array(); // table, dir
  91 $wgExtNewFields = array(); // table, column, dir
  92 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
  93 $wgExtNewIndexes = array(); // table, index, dir
  94
  95 function rename_table( $from, $to, $patch ) {
  96         global $wgDatabase;
  97         if ( $wgDatabase->tableExists( $from ) ) {
  98                 if ( $wgDatabase->tableExists( $to ) ) {
  99                         echo "...can't move table $from to $to, $to already exists.\n";
 100                 } else {
 101                         echo "Moving table $from to $to...";
 102                         dbsource( archive($patch), $wgDatabase );
 103                         echo "ok\n";
 104                 }
 105         } else {
 106                 // Source table does not exist
 107                 // Renames are done before creations, so this is typical for a new installation
 108                 // Ignore silently
 109         }
 110 }
 111
 112 function add_table( $name, $patch, $fullpath=false ) {
 113         global $wgDatabase;
 114         if ( $wgDatabase->tableExists( $name ) ) {
 115                 echo "...$name table already exists.\n";
 116         } else {
 117                 echo "Creating $name table...";
 118                 if( $fullpath ) {
 119                         dbsource( $patch, $wgDatabase );
 120                 } else {
 121                         dbsource( archive($patch), $wgDatabase );
 122                 }
 123                 echo "ok\n";
 124         }
 125 }
 126
 127 function add_field( $table, $field, $patch, $fullpath=false ) {
 128         global $wgDatabase;
 129         if ( !$wgDatabase->tableExists( $table ) ) {
 130                 echo "...$table table does not exist, skipping new field patch\n";
 131         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 132                 echo "...have $field field in $table table.\n";
 133         } else {
 134                 echo "Adding $field field to table $table...";
 135                 if( $fullpath ) {
 136                         dbsource( $patch, $wgDatabase );
 137                 } else {
 138                         dbsource( archive($patch), $wgDatabase );
 139                 }
 140                 echo "ok\n";
 141         }
 142 }
 143
 144 function add_index( $table, $index, $patch, $fullpath=false ) {
 145         global $wgDatabase;
 146         if( $wgDatabase->indexExists( $table, $index ) ) {
 147                 echo "...$index key already set on $table table.\n";
 148         } else {
 149                 echo "Adding $index key to table $table... ";
 150                 if( $fullpath ) {
 151                         dbsource( $patch, $wgDatabase );
 152                 } else {
 153                         dbsource( archive($patch), $wgDatabase );
 154                 }
 155                 echo "ok\n";
 156         }
 157 }
 158
 159 function do_revision_updates() {
 160         global $wgSoftwareRevision;
 161         if ( $wgSoftwareRevision < 1001 ) {
 162                 update_passwords();
 163         }
 164 }
 165
 166 function update_passwords() {
 167         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 168
 169         global $wgDatabase;
 170         $fname = "Update script: update_passwords()";
 171         print "\nIt appears that you need to update the user passwords in your\n" .
 172           "database. If you have already done this (if you've run this update\n" .
 173           "script once before, for example), doing so again will make all your\n" .
 174           "user accounts inaccessible, so be sure you only do this once.\n" .
 175           "Update user passwords? (yes/no)";
 176
 177         $resp = readconsole();
 178     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 179
 180         $sql = "SELECT user_id,user_password FROM user";
 181         $source = $wgDatabase->query( $sql, $fname );
 182
 183         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 184                 $id = $row->user_id;
 185                 $oldpass = $row->user_password;
 186                 $newpass = md5( "{$id}-{$oldpass}" );
 187
 188                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 189                   "WHERE user_id={$id}";
 190                 $wgDatabase->query( $sql, $fname );
 191         }
 192 }
 193
 194 function do_interwiki_update() {
 195         # Check that interwiki table exists; if it doesn't source it
 196         global $wgDatabase, $IP;
 197         if( $wgDatabase->tableExists( "interwiki" ) ) {
 198                 echo "...already have interwiki table\n";
 199                 return true;
 200         }
 201         echo "Creating interwiki table: ";
 202         dbsource( archive("patch-interwiki.sql") );
 203         echo "ok\n";
 204         echo "Adding default interwiki definitions: ";
 205         dbsource( "$IP/maintenance/interwiki.sql" );
 206         echo "ok\n";
 207 }
 208
 209 function do_index_update() {
 210         # Check that proper indexes are in place
 211         global $wgDatabase;
 212         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 213         if( !$meta->isMultipleKey() ) {
 214                 echo "Updating indexes to 20031107: ";
 215                 dbsource( archive("patch-indexes.sql") );
 216                 echo "ok\n";
 217                 return true;
 218         }
 219         echo "...indexes seem up to 20031107 standards\n";
 220         return false;
 221 }
 222
 223 function do_image_index_update() {
 224         global $wgDatabase;
 225
 226         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 227         if( !$meta->isMultipleKey() ) {
 228                 echo "Updating indexes to 20050912: ";
 229                 dbsource( archive("patch-mimesearch-indexes.sql") );
 230                 echo "ok\n";
 231                 return true;
 232         }
 233         echo "...indexes seem up to 20050912 standards\n";
 234         return false;
 235 }
 236
 237 function do_image_name_unique_update() {
 238         global $wgDatabase;
 239         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 240                 echo "...image primary key already set.\n";
 241         } else {
 242                 echo "Making img_name the primary key... ";
 243                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 244                 echo "ok\n";
 245         }
 246 }
 247
 248 function do_logging_timestamp_index() {
 249         global $wgDatabase;
 250         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 251                 echo "...timestamp key on logging already exists.\n";
 252         } else {
 253                 echo "Adding timestamp key on logging table... ";
 254                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 255                 echo "ok\n";
 256         }
 257 }
 258
 259 function do_archive_user_index() {
 260         global $wgDatabase;
 261         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 262                 echo "...usertext,timestamp key on archive already exists.\n";
 263         } else {
 264                 echo "Adding usertext,timestamp key on archive table... ";
 265                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 266                 echo "ok\n";
 267         }
 268 }
 269
 270 function do_image_user_index() {
 271         global $wgDatabase;
 272         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 273                 echo "...usertext,timestamp key on image already exists.\n";
 274         } else {
 275                 echo "Adding usertext,timestamp key on image table... ";
 276                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 277                 echo "ok\n";
 278         }
 279 }
 280
 281 function do_oldimage_user_index() {
 282         global $wgDatabase;
 283         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 284                 echo "...usertext,timestamp key on oldimage already exists.\n";
 285         } else {
 286                 echo "Adding usertext,timestamp key on oldimage table... ";
 287                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 288                 echo "ok\n";
 289         }
 290 }
 291
 292 function do_watchlist_update() {
 293         global $wgDatabase;
 294         $fname = 'do_watchlist_update';
 295         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 296                 echo "The watchlist table is already set up for email notification.\n";
 297         } else {
 298                 echo "Adding wl_notificationtimestamp field for email notification management.";
 299                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 300                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 301                 echo "ok\n";
 302         }
 303         # Check if we need to add talk page rows to the watchlist
 304         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 305         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 306         if ( $talk != $nontalk ) {
 307                 echo "Adding missing watchlist talk page rows... ";
 308                 flush();
 309
 310                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 311                         array(
 312                                 'wl_user' => 'wl_user',
 313                                 'wl_namespace' => 'wl_namespace | 1',
 314                                 'wl_title' => 'wl_title',
 315                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 316                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 317                 echo "ok\n";
 318         } else {
 319                 echo "...watchlist talk page rows already present\n";
 320         }
 321 }
 322
 323 function do_copy_newtalk_to_watchlist() {
 324         global $wgDatabase;
 325         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 326
 327         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 328                 $wgDatabase->tableName( 'user_newtalk' ) );
 329         $num_newtalks=$wgDatabase->numRows($res);
 330         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 331
 332         $user = new User();
 333         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 334                 $wluser = $wgDatabase->fetchObject( $res );
 335                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 336                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 337                                 $wgDatabase->replace( 'watchlist',
 338                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 339                                           array('wl_user'                       => 0,
 340                                                 'wl_namespace'                  => NS_USER_TALK,
 341                                                 'wl_title'                      => $wluser->user_ip,
 342                                                 'wl_notificationtimestamp'      => '19700101000000'
 343                                                 ), 'updaters.inc::do_watchlist_update2'
 344                                         );
 345                         }
 346                 } else { # normal users ... have user_ids
 347                         $user->setID($wluser->user_id);
 348                         $wgDatabase->replace( 'watchlist',
 349                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 350                                   array('wl_user'                       => $user->getID(),
 351                                         'wl_namespace'                  => NS_USER_TALK,
 352                                         'wl_title'                      => $user->getName(),
 353                                         'wl_notificationtimestamp'      => '19700101000000'
 354                                         ), 'updaters.inc::do_watchlist_update3'
 355                                 );
 356                 }
 357         }
 358         echo "Done.\n";
 359 }
 360
 361
 362 function do_user_update() {
 363         global $wgDatabase;
 364         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 365                 echo "User table contains old email authentication field. Dropping... ";
 366                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 367                 echo "ok\n";
 368         } else {
 369                 echo "...user table does not contain old email authentication field.\n";
 370         }
 371 }
 372
 373 /**
 374  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 375  * which causes a collation mismatch error on joins in MySQL 4.1.
 376  */
 377 function do_logging_encoding() {
 378         global $wgDatabase, $wgDBtype;
 379         if ($wgDBtype != 'mysql')
 380                 return;
 381         $logging = $wgDatabase->tableName( 'logging' );
 382         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 383         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 384         $wgDatabase->freeResult( $res );
 385
 386         if( in_array( 'binary', $flags ) ) {
 387                 echo "Logging table has correct title encoding.\n";
 388         } else {
 389                 echo "Fixing title encoding on logging table... ";
 390                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 391                 echo "ok\n";
 392         }
 393 }
 394
 395 function do_schema_restructuring() {
 396         global $wgDatabase;
 397         $fname="do_schema_restructuring";
 398         if ( $wgDatabase->tableExists( 'page' ) ) {
 399                 echo "...page table already exists.\n";
 400         } else {
 401                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 402                 echo wfTimestamp( TS_DB );
 403                 echo "......checking for duplicate entries.\n"; flush();
 404
 405                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 406
 407                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 408                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 409
 410                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 411                         echo wfTimestamp( TS_DB );
 412                         echo "......<b>Found duplicate entries</b>\n";
 413                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 414                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 415                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 416                                         $duplicate[$row->cur_namespace] = array();
 417                                 }
 418                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 419                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 420                         }
 421                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 422                         $firstCond = true;
 423                         foreach ( $duplicate as $ns => $titles ) {
 424                                 if ( $firstCond ) {
 425                                         $firstCond = false;
 426                                 } else {
 427                                         $sql .= ' OR ';
 428                                 }
 429                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 430                                 $first = true;
 431                                 foreach ( $titles as $t ) {
 432                                         if ( $first ) {
 433                                                 $sql .= $wgDatabase->addQuotes( $t );
 434                                                 $first = false;
 435                                         } else {
 436                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 437                                         }
 438                                 }
 439                                 $sql .= ") ) \n";
 440                         }
 441                         # By sorting descending, the most recent entry will be the first in the list.
 442                         # All following entries will be deleted by the next while-loop.
 443                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 444
 445                         $rows = $wgDatabase->query( $sql, $fname );
 446
 447                         $prev_title = $prev_namespace = false;
 448                         $deleteId = array();
 449
 450                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 451                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 452                                         $deleteId[] = $row->cur_id;
 453                                 }
 454                                 $prev_title     = $row->cur_title;
 455                                 $prev_namespace = $row->cur_namespace;
 456                         }
 457                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 458                         $rows = $wgDatabase->query( $sql, $fname );
 459                         echo wfTimestamp( TS_DB );
 460                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 461                 }
 462
 463
 464                 echo wfTimestamp( TS_DB );
 465                 echo "......Creating tables.\n";
 466                 $wgDatabase->query("CREATE TABLE $page (
 467                         page_id int(8) unsigned NOT NULL auto_increment,
 468                         page_namespace int NOT NULL,
 469                         page_title varchar(255) binary NOT NULL,
 470                         page_restrictions tinyblob NOT NULL,
 471                         page_counter bigint(20) unsigned NOT NULL default '0',
 472                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 473                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 474                         page_random real unsigned NOT NULL,
 475                         page_touched char(14) binary NOT NULL default '',
 476                         page_latest int(8) unsigned NOT NULL,
 477                         page_len int(8) unsigned NOT NULL,
 478
 479                         PRIMARY KEY page_id (page_id),
 480                         UNIQUE INDEX name_title (page_namespace,page_title),
 481                         INDEX (page_random),
 482                         INDEX (page_len)
 483                         ) TYPE=InnoDB", $fname );
 484                 $wgDatabase->query("CREATE TABLE $revision (
 485                         rev_id int(8) unsigned NOT NULL auto_increment,
 486                         rev_page int(8) unsigned NOT NULL,
 487                         rev_comment tinyblob NOT NULL,
 488                         rev_user int(5) unsigned NOT NULL default '0',
 489                         rev_user_text varchar(255) binary NOT NULL default '',
 490                         rev_timestamp char(14) binary NOT NULL default '',
 491                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 492                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 493                         rev_len int(8) unsigned,
 494                         rev_parent_id int(8) unsigned default NULL,
 495                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 496                         UNIQUE INDEX rev_id (rev_id),
 497                         INDEX rev_timestamp (rev_timestamp),
 498                         INDEX page_timestamp (rev_page,rev_timestamp),
 499                         INDEX user_timestamp (rev_user,rev_timestamp),
 500                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 501                         ) TYPE=InnoDB", $fname );
 502
 503                 echo wfTimestamp( TS_DB );
 504                 echo "......Locking tables.\n";
 505                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 506
 507                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 508                 echo wfTimestamp( TS_DB );
 509                 echo "......maxold is {$maxold}\n";
 510
 511                 echo wfTimestamp( TS_DB );
 512                 global $wgLegacySchemaConversion;
 513                 if( $wgLegacySchemaConversion ) {
 514                         // Create HistoryBlobCurStub entries.
 515                         // Text will be pulled from the leftover 'cur' table at runtime.
 516                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 517                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 518                         $cur_flags = "'object'";
 519                 } else {
 520                         // Copy all cur text in immediately: this may take longer but avoids
 521                         // having to keep an extra table around.
 522                         echo "......Moving text from cur.\n";
 523                         $cur_text = 'cur_text';
 524                         $cur_flags = "''";
 525                 }
 526                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 527                                 old_timestamp, old_minor_edit, old_flags)
 528                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 529                         FROM $cur", $fname );
 530
 531                 echo wfTimestamp( TS_DB );
 532                 echo "......Setting up revision table.\n";
 533                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 534                                 rev_minor_edit)
 535                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 536                                 old_timestamp, old_minor_edit
 537                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 538
 539                 echo wfTimestamp( TS_DB );
 540                 echo "......Setting up page table.\n";
 541                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 542                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 543                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 544                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 545                         FROM $cur,$revision
 546                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 547
 548                 echo wfTimestamp( TS_DB );
 549                 echo "......Unlocking tables.\n";
 550                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 551
 552                 echo wfTimestamp( TS_DB );
 553                 echo "......Renaming old.\n";
 554                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 555
 556                 echo wfTimestamp( TS_DB );
 557                 echo "...done.\n";
 558         }
 559 }
 560
 561 function do_inverse_timestamp() {
 562         global $wgDatabase;
 563         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 564                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 565                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 566                 echo "ok\n";
 567         } else {
 568                 echo "revision timestamp indexes already up to 2005-03-13\n";
 569         }
 570 }
 571
 572 function do_text_id() {
 573         global $wgDatabase;
 574         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 575                 echo "...rev_text_id already in place.\n";
 576         } else {
 577                 echo "Adding rev_text_id field... ";
 578                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 579                 echo "ok\n";
 580         }
 581 }
 582
 583 function do_namespace_size() {
 584         $tables = array(
 585                 'page'          => 'page',
 586                 'archive'       => 'ar',
 587                 'recentchanges' => 'rc',
 588                 'watchlist'     => 'wl',
 589                 'querycache'    => 'qc',
 590                 'logging'       => 'log',
 591         );
 592         foreach( $tables as $table => $prefix ) {
 593                 do_namespace_size_on( $table, $prefix );
 594                 flush();
 595         }
 596 }
 597
 598 function do_namespace_size_on( $table, $prefix ) {
 599         global $wgDatabase, $wgDBtype;
 600         if ($wgDBtype != 'mysql')
 601                 return;
 602         $field = $prefix . '_namespace';
 603
 604         $tablename = $wgDatabase->tableName( $table );
 605         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 606         $info = $wgDatabase->fetchObject( $result );
 607         $wgDatabase->freeResult( $result );
 608
 609         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 610                 echo "...$field is already a full int ($info->Type).\n";
 611         } else {
 612                 echo "Promoting $field from $info->Type to int... ";
 613
 614                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 615                 $wgDatabase->query( $sql );
 616
 617                 echo "ok\n";
 618         }
 619 }
 620
 621 function do_pagelinks_update() {
 622         global $wgDatabase;
 623         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 624                 echo "...already have pagelinks table.\n";
 625         } else {
 626                 echo "Converting links and brokenlinks tables to pagelinks... ";
 627                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 628                 echo "ok\n";
 629                 flush();
 630
 631                 global $wgCanonicalNamespaceNames;
 632                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 633                         if( $ns != 0 ) {
 634                                 do_pagelinks_namespace( $ns );
 635                         }
 636                 }
 637         }
 638 }
 639
 640 function do_pagelinks_namespace( $namespace ) {
 641         global $wgDatabase, $wgContLang;
 642
 643         $ns = intval( $namespace );
 644         echo "Cleaning up broken links for namespace $ns... ";
 645
 646         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 647         $name = $wgContLang->getNsText( $ns );
 648         $prefix = $wgDatabase->strencode( $name );
 649         $likeprefix = str_replace( '_', '\\_', $prefix);
 650
 651         $sql = "UPDATE $pagelinks
 652                    SET pl_namespace=$ns,
 653                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 654                  WHERE pl_namespace=0
 655                    AND pl_title LIKE '$likeprefix:%'";
 656
 657         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 658         echo "ok\n";
 659 }
 660
 661 function do_drop_img_type() {
 662         global $wgDatabase;
 663
 664         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 665                 echo "Dropping unused img_type field in image table... ";
 666                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 667                 echo "ok\n";
 668         } else {
 669                 echo "No img_type field in image table; Good.\n";
 670         }
 671 }
 672
 673 function do_old_links_update() {
 674         global $wgDatabase;
 675         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 676                 echo "Already have pagelinks; skipping old links table updates.\n";
 677         } else {
 678                 convertLinks(); flush();
 679         }
 680 }
 681
 682 function do_user_unique_update() {
 683         global $wgDatabase;
 684         $duper = new UserDupes( $wgDatabase );
 685         if( $duper->hasUniqueIndex() ) {
 686                 echo "Already have unique user_name index.\n";
 687         } else {
 688                 if( !$duper->clearDupes() ) {
 689                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 690                 }
 691                 echo "Adding unique index on user_name... ";
 692                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 693                 echo "ok\n";
 694         }
 695 }
 696
 697 function do_user_groups_update() {
 698         $fname = 'do_user_groups_update';
 699         global $wgDatabase;
 700
 701         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 702                 echo "...user_groups table already exists.\n";
 703                 return do_user_groups_reformat();
 704         }
 705
 706         echo "Adding user_groups table... ";
 707         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 708         echo "ok\n";
 709
 710         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 711                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 712                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 713                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 714                         echo "ok\n";
 715                 } else {
 716                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 717                         echo "*** You may need to manually configure some sysops by manipulating\n";
 718                         echo "*** the user_groups table.\n";
 719                         return;
 720                 }
 721         }
 722
 723         echo "Converting user_rights table to user_groups... ";
 724         $result = $wgDatabase->select( 'user_rights',
 725                 array( 'ur_user', 'ur_rights' ),
 726                 array( "ur_rights != ''" ),
 727                 $fname );
 728
 729         while( $row = $wgDatabase->fetchObject( $result ) ) {
 730                 $groups = array_unique(
 731                         array_map( 'trim',
 732                                 explode( ',', $row->ur_rights ) ) );
 733
 734                 foreach( $groups as $group ) {
 735                         $wgDatabase->insert( 'user_groups',
 736                                 array(
 737                                         'ug_user'  => $row->ur_user,
 738                                         'ug_group' => $group ),
 739                                 $fname );
 740                 }
 741         }
 742         $wgDatabase->freeResult( $result );
 743         echo "ok\n";
 744 }
 745
 746 function do_user_groups_reformat() {
 747         # Check for bogus formats from previous 1.5 alpha code.
 748         global $wgDatabase;
 749         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 750
 751         if( $info->type() == 'int' ) {
 752                 $oldug = $wgDatabase->tableName( 'user_groups' );
 753                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 754                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 755                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 756                 echo "ok\n";
 757
 758                 echo "Re-adding fresh user_groups table... ";
 759                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 760                 echo "ok\n";
 761
 762                 echo "***\n";
 763                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 764                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 765                 echo "***\n";
 766         } else {
 767                 echo "...user_groups is in current format.\n";
 768         }
 769
 770 }
 771
 772 function do_watchlist_null() {
 773         # Make sure wl_notificationtimestamp can be NULL,
 774         # and update old broken items.
 775         global $wgDatabase;
 776         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 777
 778         if( !$info->nullable() ) {
 779                 echo "Making wl_notificationtimestamp nullable... ";
 780                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 781                 echo "ok\n";
 782         } else {
 783                 echo "...wl_notificationtimestamp is already nullable.\n";
 784         }
 785
 786 }
 787
 788 /**
 789  * @bug 3946
 790  */
 791 function do_page_random_update() {
 792         global $wgDatabase;
 793
 794         echo "Setting page_random to a random value on rows where it equals 0...";
 795
 796         $page = $wgDatabase->tableName( 'page' );
 797         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 798         $rows = $wgDatabase->affectedRows();
 799
 800         echo "changed $rows rows\n";
 801 }
 802
 803 function do_templatelinks_update() {
 804         global $wgDatabase, $wgLoadBalancer;
 805         $fname = 'do_templatelinks_update';
 806
 807         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 808                 echo "...templatelinks table already exists\n";
 809                 return;
 810         }
 811         echo "Creating templatelinks table...\n";
 812         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 813         echo "Populating...\n";
 814         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 815                 // Slow, replication-friendly update
 816                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 817                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 818                 $count = 0;
 819                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 820                         $count = ($count + 1) % 100;
 821                         if ( $count == 0 ) {
 822                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 823                                         wfWaitForSlaves( 10 );
 824                                 } else {
 825                                         sleep( 1 );
 826                                 }
 827                         }
 828                         $wgDatabase->insert( 'templatelinks',
 829                                 array(
 830                                         'tl_from' => $row->pl_from,
 831                                         'tl_namespace' => $row->pl_namespace,
 832                                         'tl_title' => $row->pl_title,
 833                                 ), $fname
 834                         );
 835
 836                 }
 837                 $wgDatabase->freeResult( $res );
 838         } else {
 839                 // Fast update
 840                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 841                         array(
 842                                 'tl_from' => 'pl_from',
 843                                 'tl_namespace' => 'pl_namespace',
 844                                 'tl_title' => 'pl_title'
 845                         ), array(
 846                                 'pl_namespace' => 10
 847                         ), $fname
 848                 );
 849         }
 850         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 851 }
 852
 853 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 854 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 855 function do_rc_indices_update() {
 856         global $wgDatabase;
 857         echo( "Checking for additional recent changes indices...\n" );
 858
 859         $indexes = array(
 860                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 861                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 862         );
 863
 864         foreach( $indexes as $index => $patch ) {
 865                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 866                 if( !$info ) {
 867                         echo( "...index `{$index}` not found; adding..." );
 868                         dbsource( archive( $patch ) );
 869                         echo( "done.\n" );
 870                 } else {
 871                         echo( "...index `{$index}` seems ok.\n" );
 872                 }
 873         }
 874 }
 875
 876 function index_has_field($table, $index, $field) {
 877         global $wgDatabase;
 878         echo( "Checking if $table index $index includes field $field...\n" );
 879         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 880         if( $info ) {
 881                 foreach($info as $row) {
 882                         if($row->Column_name == $field) {
 883                                 echo( "...index $index on table $table seems to be ok\n" );
 884                                 return true;
 885                         }
 886                 }
 887         }
 888         echo( "...index $index on table $table has no field $field; adding\n" );
 889         return false;
 890 }
 891
 892 function do_backlinking_indices_update() {
 893         echo( "Checking for backlinking indices...\n" );
 894         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 895                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 896                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 897         {
 898                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 899         }
 900 }
 901
 902 function do_categorylinks_indices_update() {
 903         echo( "Checking for categorylinks indices...\n" );
 904         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 905         {
 906                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 907         }
 908 }
 909
 910 function do_stats_init() {
 911         // Sometimes site_stats table is not properly populated.
 912         global $wgDatabase;
 913         echo "Checking site_stats row...";
 914         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 915         if( $row === false ) {
 916                 echo "data is missing! rebuilding...\n";
 917
 918                 global $IP;
 919                 require_once "$IP/maintenance/initStats.inc";
 920                 wfInitStats();
 921         } else {
 922                 echo "ok.\n";
 923         }
 924 }
 925
 926 function purge_cache() {
 927         global $wgDatabase;
 928         # We can't guarantee that the user will be able to use TRUNCATE,
 929         # but we know that DELETE is available to us
 930         echo( "Purging caches..." );
 931         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 932         echo( "done.\n" );
 933 }
 934
 935 function do_all_updates( $shared = false, $purge = true ) {
 936         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 937
 938         wfRunHooks('LoadExtensionSchemaUpdates');
 939
 940         $doUser = !$wgSharedDB || $shared;
 941
 942         if ($wgDBtype === 'postgres') {
 943                 do_postgres_updates();
 944                 return;
 945         }
 946
 947         # Rename tables
 948         foreach ( $wgRenamedTables as $tableRecord ) {
 949                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 950         }
 951
 952         # Add missing tables
 953         foreach ( $wgNewTables as $tableRecord ) {
 954                 add_table( $tableRecord[0], $tableRecord[1] );
 955                 flush();
 956         }
 957
 958         # Add missing fields
 959         foreach ( $wgNewFields as $fieldRecord ) {
 960                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 961                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 962                 }
 963                 flush();
 964         }
 965
 966         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
 967         # Add missing extension tables
 968         foreach ( $wgExtNewTables as $tableRecord ) {
 969                 add_table( $tableRecord[0], $tableRecord[1], true );
 970                 flush();
 971         }
 972         # Add missing extension fields
 973         foreach ( $wgExtNewFields as $fieldRecord ) {
 974                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 975                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 976                 }
 977                 flush();
 978         }
 979         # Add missing extension indexes
 980         foreach ( $wgExtNewIndexes as $fieldRecord ) {
 981                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 982                 flush();
 983         }
 984
 985         # Do schema updates which require special handling
 986         do_interwiki_update(); flush();
 987         do_index_update(); flush();
 988         do_old_links_update(); flush();
 989         do_image_name_unique_update(); flush();
 990         do_watchlist_update(); flush();
 991         if ( $doUser ) {
 992                 do_user_update(); flush();
 993         }
 994 ######  do_copy_newtalk_to_watchlist(); flush();
 995         do_logging_encoding(); flush();
 996
 997         do_schema_restructuring(); flush();
 998         do_inverse_timestamp(); flush();
 999         do_text_id(); flush();
1000         do_namespace_size(); flush();
1001
1002         do_pagelinks_update(); flush();
1003         do_templatelinks_update(); flush(); // after pagelinks
1004
1005         do_drop_img_type(); flush();
1006
1007         if ( $doUser ) {
1008                 do_user_unique_update(); flush();
1009         }
1010         do_user_groups_update(); flush();
1011
1012         do_watchlist_null(); flush();
1013
1014         //do_image_index_update(); flush();
1015
1016         do_logging_timestamp_index(); flush();
1017
1018         do_page_random_update(); flush();
1019
1020         do_rc_indices_update(); flush();
1021
1022         do_backlinking_indices_update(); flush();
1023
1024         do_categorylinks_indices_update(); flush();
1025
1026         do_restrictions_update(); flush ();
1027
1028         do_archive_user_index(); flush ();
1029
1030         do_image_user_index(); flush ();
1031
1032         do_oldimage_user_index(); flush ();
1033
1034         echo "Deleting old default messages (this may take a long time!)..."; flush();
1035         deleteDefaultMessages();
1036         echo "Done\n"; flush();
1037
1038         do_stats_init(); flush();
1039
1040         if( $purge ) {
1041                 purge_cache();
1042                 flush();
1043         }
1044 }
1045
1046 function archive($name) {
1047         global $wgDBtype, $IP;
1048         switch ($wgDBtype) {
1049         case "postgres":
1050                 return "$IP/maintenance/postgres/archives/$name";
1051         default:
1052                 return "$IP/maintenance/archives/$name";
1053         }
1054 }
1055
1056 function do_restrictions_update() {
1057         # Adding page_restrictions table, obsoleting page.page_restrictions.
1058         #  Migrating old restrictions to new table
1059         # -- Andrew Garrett, January 2007.
1060
1061         global $wgDatabase;
1062
1063         $name = 'page_restrictions';
1064         $patch = 'patch-page_restrictions.sql';
1065         $patch2 = 'patch-page_restrictions_sortkey.sql';
1066
1067         if ( $wgDatabase->tableExists( $name ) ) {
1068                 echo "...$name table already exists.\n";
1069         } else {
1070                 echo "Creating $name table...";
1071                 dbsource( archive($patch), $wgDatabase );
1072                 dbsource( archive($patch2), $wgDatabase );
1073                 echo "ok\n";
1074
1075                 echo "Migrating old restrictions to new table...";
1076
1077                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1078
1079                 $count = 0;
1080
1081                 while ($row = $wgDatabase->fetchObject($res) ) {
1082                         $count = ($count + 1) % 100;
1083
1084                         if ($count == 0) {
1085                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1086                                         wfWaitForSlaves( 10 );
1087                                 } else {
1088                                         sleep( 1 );
1089                                 }
1090                         }
1091
1092                         # Figure out what the restrictions are..
1093                         $id = $row->page_id;
1094                         $flatrestrictions = explode( ':', $row->page_restrictions );
1095
1096                         $restrictions = array ();
1097                         foreach( $flatrestrictions as $restriction ) {
1098                                 $thisrestriction = explode( '=', $restriction, 2 );
1099                                 if( count( $thisrestriction ) == 1 ) {
1100                                         // Compatibility with old protections from before
1101                                         // separate move protection was added.
1102                                         list( $level ) = $thisrestriction;
1103                                         if( $level ) {
1104                                                 $restrictions['edit'] = $level;
1105                                                 $restrictions['move'] = $level;
1106                                         }
1107                                 } else {
1108                                         list( $type, $level ) = $thisrestriction;
1109                                         if( $level ) {
1110                                                 $restrictions[$type] = $level;
1111                                         }
1112                                 }
1113
1114                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1115
1116                         }
1117
1118                         foreach( $restrictions as $type => $level ) {
1119                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1120                                                                                         'pr_type' => $type,
1121                                                                                         'pr_level' => $level,
1122                                                                                         'pr_cascade' => 0,
1123                                                                                         'pr_expiry' => 'infinity' ),
1124                                                                                         __METHOD__ );
1125                         }
1126                 }
1127                 print "ok\n";
1128         }
1129
1130 }
1131
1132 function
1133 pg_describe_table($table)
1134 {
1135 global  $wgDatabase, $wgDBmwschema;
1136         $q = <<<END
1137 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1138         WHERE pg_class.relnamespace = pg_namespace.oid
1139           AND attrelid=pg_class.oid AND attnum > 0
1140           AND relname=%s AND nspname=%s
1141 END;
1142         $res = $wgDatabase->query(sprintf($q,
1143                         $wgDatabase->addQuotes($table),
1144                         $wgDatabase->addQuotes($wgDBmwschema)));
1145         if (!$res)
1146                 return null;
1147
1148         $cols = array();
1149         while ($r = $wgDatabase->fetchRow($res)) {
1150                 $cols[] = array(
1151                                 "name" => $r[0],
1152                                 "ord" => $r[1],
1153                         );
1154         }
1155         return $cols;
1156 }
1157
1158 function
1159 pg_describe_index($idx)
1160 {
1161 global  $wgDatabase, $wgDBmwschema;
1162
1163         // first fetch the key (which is a list of columns ords) and
1164         // the table the index applies to (an oid)
1165         $q = <<<END
1166 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1167         WHERE nspname=%s
1168           AND pg_class.relnamespace = pg_namespace.oid
1169           AND relname=%s
1170           AND indexrelid=pg_class.oid
1171 END;
1172         $res = $wgDatabase->query(sprintf($q,
1173                         $wgDatabase->addQuotes($wgDBmwschema),
1174                         $wgDatabase->addQuotes($idx)));
1175         if (!$res)
1176                 return null;
1177         if (!($r = $wgDatabase->fetchRow($res))) {
1178                 $wgDatabase->freeResult($res);
1179                 return null;
1180         }
1181
1182         $indkey = $r[0];
1183         $relid = intval($r[1]);
1184         $indkeys = explode(" ", $indkey);
1185         $wgDatabase->freeResult($res);
1186
1187         $colnames = array();
1188         foreach ($indkeys as $rid) {
1189                 $query = <<<END
1190 SELECT attname FROM pg_class, pg_attribute
1191         WHERE attrelid=$relid
1192           AND attnum=%d
1193           AND attrelid=pg_class.oid
1194 END;
1195                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1196                 if (!$r2)
1197                         return null;
1198                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1199                         $wgDatabase->freeResult($r2);
1200                         return null;
1201                 }
1202                 $colnames[] = $row2[0];
1203                 $wgDatabase->freeResult($r2);
1204         }
1205
1206         return $colnames;
1207 }
1208
1209 function
1210 pg_index_exists($table, $index)
1211 {
1212 global  $wgDatabase, $wgDBmwschema;
1213         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1214                         array(  "indexname" => $index,
1215                                 "tablename" => $table,
1216                                 "schemaname" => $wgDBmwschema));
1217         return $exists === $index;
1218 }
1219
1220 function
1221 pg_fkey_deltype($fkey)
1222 {
1223 global  $wgDatabase, $wgDBmwschema;
1224         $q = <<<END
1225 SELECT confdeltype FROM pg_constraint, pg_namespace
1226         WHERE connamespace=pg_namespace.oid
1227           AND nspname=%s
1228           AND conname=%s;
1229 END;
1230         $r = $wgDatabase->query(sprintf($q,
1231                 $wgDatabase->addQuotes($wgDBmwschema),
1232                 $wgDatabase->addQuotes($fkey)));
1233         if (!($row = $wgDatabase->fetchRow($r)))
1234                 return null;
1235         return $row[0];
1236 }
1237
1238 function
1239 pg_rule_def($table, $rule)
1240 {
1241 global  $wgDatabase, $wgDBmwschema;
1242         $q = <<<END
1243 SELECT definition FROM pg_rules
1244         WHERE schemaname = %s
1245           AND tablename = %s
1246           AND rulename = %s
1247 END;
1248         $r = $wgDatabase->query(sprintf($q,
1249                         $wgDatabase->addQuotes($wgDBmwschema),
1250                         $wgDatabase->addQuotes($table),
1251                         $wgDatabase->addQuotes($rule)));
1252         $row = $wgDatabase->fetchRow($r);
1253         if (!$row)
1254                 return null;
1255         $d = $row[0];
1256         $wgDatabase->freeResult($r);
1257         return $d;
1258 }
1259
1260 function do_postgres_updates() {
1261         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1262
1263         $wgShowExceptionDetails = 1;
1264
1265         # Just in case their LocalSettings.php does not have this:
1266         if ( !isset( $wgDBmwschema ))
1267                 $wgDBmwschema = 'mediawiki';
1268
1269         # Verify that this user is configured correctly
1270         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1271         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_user WHERE usename = $safeuser";
1272         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1273         $conf = array();
1274         foreach( explode( '*', $config ) as $c ) {
1275                 list( $x,$y ) = explode( '=', $c );
1276                 $conf[$x] = $y;
1277         }
1278         $newpath = array();
1279         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1280                 print "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1281                 $newpath[$wgDBmwschema] = 1;
1282         }
1283         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1284                 print "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1285                 $newpath[$wgDBts2schema] = 1;
1286         }
1287         $searchpath = implode( ',', array_keys( $newpath ) );
1288         if( strlen( $searchpath ) ) {
1289                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1290         }
1291         $goodconf = array(
1292                 'client_min_messages' => 'error',
1293                 'DateStyle'           => 'ISO, YMD',
1294                 'TimeZone'            => 'GMT'
1295         );
1296         foreach( array_keys( $goodconf ) AS $key ) {
1297                 $value = $goodconf[$key];
1298                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1299                         print "Setting $key to '$value' for user \"$wgDBuser\"\n";
1300                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1301                 }
1302         }
1303
1304         $newsequences = array(
1305                 "log_log_id_seq",
1306                 "pr_id_val",
1307         );
1308
1309         $newtables = array(
1310                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1311                 array("mwuser",            "patch-mwuser.sql"),
1312                 array("pagecontent",       "patch-pagecontent.sql"),
1313                 array("querycachetwo",     "patch-querycachetwo.sql"),
1314                 array("page_restrictions", "patch-page_restrictions.sql"),
1315                 array("profiling",         "patch-profiling.sql"),
1316                 array("redirect",          "patch-redirect.sql"),
1317         );
1318
1319         $newcols = array(
1320                 array("archive",       "ar_len",               "INTEGER"),
1321                 array("archive",       "ar_page_id",           "INTEGER"),
1322                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1323                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1324                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1325                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1326                 array("ipblocks",      "ipb_deleted",          "INTEGER NOT NULL DEFAULT 0"),
1327                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1328                 array("filearchive",   "fa_deleted",           "INTEGER NOT NULL DEFAULT 0"),
1329                 array("logging",       "log_deleted",          "INTEGER NOT NULL DEFAULT 0"),
1330                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1331                 array("logging",       "log_params",           "TEXT"),
1332                 array("mwuser",        "user_editcount",       "INTEGER"),
1333                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1334                 array("oldimage",      "oi_deleted",           "CHAR NOT NULL DEFAULT '0'"),
1335                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1336                 array("oldimage",      "oi_media_type",        "TEXT"),
1337                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1338                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1339                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1340                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1341                 array("recentchanges", "rc_deleted",           "INTEGER NOT NULL DEFAULT 0"),
1342                 array("recentchanges", "rc_log_action",        "TEXT"),
1343         array("recentchanges", "rc_log_type",          "TEXT"),
1344         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1345                 array("recentchanges", "rc_new_len",           "INTEGER"),
1346                 array("recentchanges", "rc_old_len",           "INTEGER"),
1347                 array("recentchanges", "rc_params",            "TEXT"),
1348                 array("revision",      "rev_len",              "INTEGER"),
1349         );
1350
1351
1352         # table, column, desired type, USING clause if needed
1353         $typechanges = array(
1354                 array("image",        "img_size",        "int4",  ""),
1355                 array("image",        "img_width",       "int4",  ""),
1356                 array("image",        "img_height",      "int4",  ""),
1357                 array("ipblocks",     "ipb_address",     "text", "ipb_address::text"),
1358                 array("math",         "math_inputhash",  "bytea", "decode(math_inputhash,'escape')"),
1359                 array("math",         "math_outputhash", "bytea", "decode(math_outputhash,'escape')"),
1360                 array("oldimage",     "oi_size",         "int4",  ""),
1361                 array("oldimage",     "oi_width",        "int4",  ""),
1362                 array("oldimage",     "oi_height",       "int4",  ""),
1363                 array("user_newtalk", "user_ip",         "text", "host(user_ip)"),
1364         );
1365
1366         $newindexes = array(
1367                 array("archive",       "archive_user_text", "(ar_user_text)"),
1368                 array("image",         "img_sha1",          "(img_sha1)"),
1369                 array("oldimage",      "oi_sha1",           "(oi_sha1)"),
1370                 array("revision",      "rev_text_id_idx",   "(rev_text_id)"),
1371         );
1372
1373         $newrules = array(
1374         );
1375
1376         foreach ($newsequences as $ns) {
1377                 if ($wgDatabase->sequenceExists($ns)) {
1378                         echo "... sequence $ns already exists\n";
1379                         continue;
1380                 }
1381
1382                 echo "... create sequence $ns\n";
1383                 $wgDatabase->query("CREATE SEQUENCE $ns");
1384         }
1385
1386         foreach ($newtables as $nt) {
1387                 if ($wgDatabase->tableExists($nt[0])) {
1388                         echo "... table $nt[0] already exists\n";
1389                         continue;
1390                 }
1391
1392                 echo "... create table $nt[0]\n";
1393                 dbsource(archive($nt[1]));
1394         }
1395
1396         ## Needed before newcols
1397         if ($wgDatabase->tableExists("archive2")) {
1398                 echo "... convert archive2 back to normal archive table\n";
1399                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1400                         echo "...   drop rule archive_insert\n";
1401                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1402                 }
1403                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1404                         echo "...   drop rule archive_delete\n";
1405                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1406                 }
1407
1408                 dbsource(archive("patch-remove-archive2.sql"));
1409         } else
1410                 echo "... obsolete archive2 not present\n";
1411
1412         foreach ($newcols as $nc) {
1413                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1414                 if (!is_null($fi)) {
1415                         echo "... column $nc[0].$nc[1] already exists\n";
1416                         continue;
1417                 }
1418
1419                 echo "... add column $nc[0].$nc[1]\n";
1420                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1421         }
1422
1423         foreach ($typechanges as $tc) {
1424                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1425                 if (is_null($fi)) {
1426                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1427                         exit(1);
1428                 }
1429
1430                 if ($fi->type() === $tc[2])
1431                         echo "... $tc[0].$tc[1] is already $tc[2]\n";
1432                 else {
1433                         echo "... change $tc[0].$tc[1] from {$fi->type()} to $tc[2]\n";
1434                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1435                         if (strlen($tc[3])) {
1436                                 $sql .= " USING $tc[3]";
1437                         }
1438                         $sql .= ";\nCOMMIT;\n";
1439                         $wgDatabase->query($sql);
1440                 }
1441         }
1442
1443         foreach ($newindexes as $ni) {
1444                 if (pg_index_exists($ni[0], $ni[1])) {
1445                         echo "... index $ni[1] on $ni[0] already exists\n";
1446                         continue;
1447                 }
1448                 $wgDatabase->query("CREATE INDEX $ni[1] ON $ni[0] $ni[2]");
1449                 echo "create index $ni[1]\n";
1450         }
1451
1452         foreach ($newrules as $nr) {
1453                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1454                         echo "... rule $nr[1] on $nr[0] already exists\n";
1455                         continue;
1456                 }
1457                 dbsource(archive($nr[2]));
1458         }
1459
1460         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1461                 echo "... create page_deleted trigger\n";
1462                 dbsource(archive('patch-page_deleted.sql'));
1463         }
1464
1465         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1466         if (!$fi->nullable()) {
1467                 echo "... remove NOT NULL constraint on recentchanges.rc_cur_id\n";
1468                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1469         }
1470
1471         $pu = pg_describe_index("pagelink_unique");
1472         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1473                 echo "... dropping obsolete pagelink_unique index\n";
1474                 $wgDatabase->query("DROP INDEX pagelink_unique");
1475                 $pu = null;
1476         } else
1477                 echo "... obsolete pagelink_unique index not present\n";
1478
1479         if (is_null($pu)) {
1480                 echo "... adding new pagelink_unique index\n";
1481                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1482         } else
1483                 echo "... already have current pagelink_unique index\n";
1484
1485         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1486                 echo "... revision_rev_user_fkey is already ON DELETE RESTRICT\n";
1487         } else {
1488                 echo "... change revision_rev_user_fkey to ON DELETE RESTRICT\n";
1489                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1490         }
1491
1492         if (is_null($wgDatabase->fieldInfo("archive", "ar_deleted"))) {
1493                 echo "... add archive.ar_deleted\n";
1494                 dbsource(archive("patch-archive-ar_deleted.sql"));
1495         } else
1496                 echo "... archive.ar_deleted already exists\n";
1497
1498         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1499         # Add missing extension tables
1500         foreach ( $wgExtNewTables as $nt ) {
1501                 if ($wgDatabase->tableExists($nt[0])) {
1502                         echo "... table $nt[0] already exists\n";
1503                         continue;
1504                 }
1505
1506                 echo "... create table $nt[0]\n";
1507                 dbsource($nt[1]);
1508         }
1509         # Add missing extension fields
1510         foreach ( $wgExtPGNewFields as $nc ) {
1511                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1512                 if (!is_null($fi)) {
1513                         echo "... column $nc[0].$nc[1] already exists\n";
1514                         continue;
1515                 }
1516
1517                 echo "... add column $nc[0].$nc[1]\n";
1518                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1519         }
1520         # Add missing extension indexes
1521         foreach ( $wgExtNewIndexes as $ni ) {
1522                 if (pg_index_exists($ni[0], $ni[1])) {
1523                         echo "... index $ni[1] on $ni[0] already exists\n";
1524                         continue;
1525                 }
1526                 dbsource($ni[2]);
1527         }
1528
1529         return;
1530 }