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