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