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