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