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