maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @addtogroup Maintenance
   4  */
   5
   6  /** */
   7
   8 if ( !defined( 'MEDIAWIKI' ) ) {
   9         echo "This file is not a valid entry point\n";
  10         exit( 1 );
  11 }
  12
  13 require_once 'convertLinks.inc';
  14 require_once 'userDupes.inc';
  15 require_once 'deleteDefaultMessages.php';
  16 # Extension updates
  17 require_once( "$IP/includes/Hooks.php" );
  18
  19 $wgRenamedTables = array(
  20 #           from             to                  patch file
  21 #       array( 'group',         'groups',           'patch-rename-group.sql' ),
  22 );
  23
  24 $wgNewTables = array(
  25 #            table          patch file (in maintenance/archives)
  26         array( 'hitcounter',    'patch-hitcounter.sql' ),
  27         array( 'querycache',    'patch-querycache.sql' ),
  28         array( 'objectcache',   'patch-objectcache.sql' ),
  29         array( 'categorylinks', 'patch-categorylinks.sql' ),
  30         array( 'logging',       'patch-logging.sql' ),
  31         array( 'user_newtalk',  'patch-usernewtalk2.sql' ),
  32         array( 'transcache',    'patch-transcache.sql' ),
  33         array( 'trackbacks',    'patch-trackbacks.sql' ),
  34         array( 'externallinks', 'patch-externallinks.sql' ),
  35         array( 'job',           'patch-job.sql' ),
  36         array( 'langlinks',     'patch-langlinks.sql' ),
  37         array( 'querycache_info', 'patch-querycacheinfo.sql' ),
  38         array( 'filearchive',   'patch-filearchive.sql' ),
  39         array( 'querycachetwo', 'patch-querycachetwo.sql' ),
  40 );
  41
  42 $wgNewFields = array(
  43 #           table            field             patch file (in maintenance/archives)
  44         array( 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  45         array( 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  46         array( 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  47         array( 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  48         array( 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  49         array( 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  50         array( 'recentchanges', 'rc_old_len',       'patch-rc_len.sql' ),
  51         array( 'user',          'user_real_name',   'patch-user-realname.sql' ),
  52         array( 'user',          'user_token',       'patch-user_token.sql' ),
  53         array( 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  54         array( 'user',          'user_registration','patch-user_registration.sql' ),
  55         array( 'logging',       'log_params',       'patch-log_params.sql' ),
  56         array( 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  57         array( 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  58         array( 'page',          'page_len',         'patch-page_len.sql' ),
  59         array( 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  60         array( 'image',         'img_width',        'patch-img_width.sql' ),
  61         array( 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  62         array( 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  63         array( 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  64         array( 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  65         array( 'ipblocks',      'ipb_range_start',  'patch-ipb_range_start.sql' ),
  66         array( 'site_stats',    'ss_images',        'patch-ss_images.sql' ),
  67         array( 'ipblocks',      'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  68         array( 'ipblocks',              'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
  69         array( 'user',          'user_newpass_time','patch-user_newpass_time.sql' ),
  70         array( 'user',          'user_editcount',   'patch-user_editcount.sql' ),
  71         array( 'recentchanges', 'rc_deleted',           'patch-rc_deleted.sql' ),
  72         array( 'logging',               'log_id',                       'patch-log_id.sql' ),
  73         array( 'logging',               'log_deleted',          'patch-log_deleted.sql' ),
  74         array( 'archive',               'ar_deleted',           'patch-ar_deleted.sql' ),
  75         array( 'ipblocks',              'ipb_deleted',          'patch-ipb_deleted.sql' ),
  76         array( 'filearchive',   'fa_deleted',           'patch-fa_deleted.sql' ),
  77         array( 'revision',          'rev_len',          'patch-rev_len.sql' ),
  78         array( 'archive',           'ar_len',           'patch-ar_len.sql' ),
  79         array( 'revision',          'rev_parent_id',    'patch-rev_parent_id.sql' ),
  80         array( 'page_restrictions', 'pr_id',            'patch-page_restrictions_sortkey.sql' ),
  81         array( 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
  82         array( 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
  83 );
  84
  85 # For extensions only, should be populated via hooks
  86 # $wgDBtype should be checked to specifiy the proper file
  87 $wgExtNewTables = array(); // table, dir
  88 $wgExtNewFields = array(); // table, column, dir
  89 $wgExtNewIndexes = array(); // table, index, dir
  90
  91 function rename_table( $from, $to, $patch ) {
  92         global $wgDatabase;
  93         if ( $wgDatabase->tableExists( $from ) ) {
  94                 if ( $wgDatabase->tableExists( $to ) ) {
  95                         echo "...can't move table $from to $to, $to already exists.\n";
  96                 } else {
  97                         echo "Moving table $from to $to...";
  98                         dbsource( archive($patch), $wgDatabase );
  99                         echo "ok\n";
 100                 }
 101         } else {
 102                 // Source table does not exist
 103                 // Renames are done before creations, so this is typical for a new installation
 104                 // Ignore silently
 105         }
 106 }
 107
 108 function add_table( $name, $patch, $fullpath=false ) {
 109         global $wgDatabase;
 110         if ( $wgDatabase->tableExists( $name ) ) {
 111                 echo "...$name table already exists.\n";
 112         } else {
 113                 echo "Creating $name table...";
 114                 if( $fullpath ) {
 115                         dbsource( $patch, $wgDatabase );
 116                 } else {
 117                         dbsource( archive($patch), $wgDatabase );
 118                 }
 119                 echo "ok\n";
 120         }
 121 }
 122
 123 function add_field( $table, $field, $patch, $fullpath=false ) {
 124         global $wgDatabase;
 125         if ( !$wgDatabase->tableExists( $table ) ) {
 126                 echo "...$table table does not exist, skipping new field patch\n";
 127         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 128                 echo "...have $field field in $table table.\n";
 129         } else {
 130                 echo "Adding $field field to table $table...";
 131                 if( $fullpath ) {
 132                         dbsource( $patch, $wgDatabase );
 133                 } else {
 134                         dbsource( archive($patch), $wgDatabase );
 135                 }
 136                 echo "ok\n";
 137         }
 138 }
 139
 140 function add_index( $table, $index, $patch, $fullpath=false ) {
 141         global $wgDatabase;
 142         if( $wgDatabase->indexExists( $table, $index ) ) {
 143                 echo "...$index key already set.\n";
 144         } else {
 145                 echo "Adding $index key... ";
 146                 if( $fullpath ) {
 147                         dbsource( $patch, $wgDatabase );
 148                 } else {
 149                         dbsource( archive($patch), $wgDatabase );
 150                 }
 151                 echo "ok\n";
 152         }
 153 }
 154
 155 function do_revision_updates() {
 156         global $wgSoftwareRevision;
 157         if ( $wgSoftwareRevision < 1001 ) {
 158                 update_passwords();
 159         }
 160 }
 161
 162 function update_passwords() {
 163         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 164
 165         global $wgDatabase;
 166         $fname = "Update script: update_passwords()";
 167         print "\nIt appears that you need to update the user passwords in your\n" .
 168           "database. If you have already done this (if you've run this update\n" .
 169           "script once before, for example), doing so again will make all your\n" .
 170           "user accounts inaccessible, so be sure you only do this once.\n" .
 171           "Update user passwords? (yes/no)";
 172
 173         $resp = readconsole();
 174     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 175
 176         $sql = "SELECT user_id,user_password FROM user";
 177         $source = $wgDatabase->query( $sql, $fname );
 178
 179         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 180                 $id = $row->user_id;
 181                 $oldpass = $row->user_password;
 182                 $newpass = md5( "{$id}-{$oldpass}" );
 183
 184                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 185                   "WHERE user_id={$id}";
 186                 $wgDatabase->query( $sql, $fname );
 187         }
 188 }
 189
 190 function do_interwiki_update() {
 191         # Check that interwiki table exists; if it doesn't source it
 192         global $wgDatabase, $IP;
 193         if( $wgDatabase->tableExists( "interwiki" ) ) {
 194                 echo "...already have interwiki table\n";
 195                 return true;
 196         }
 197         echo "Creating interwiki table: ";
 198         dbsource( archive("patch-interwiki.sql") );
 199         echo "ok\n";
 200         echo "Adding default interwiki definitions: ";
 201         dbsource( "$IP/maintenance/interwiki.sql" );
 202         echo "ok\n";
 203 }
 204
 205 function do_index_update() {
 206         # Check that proper indexes are in place
 207         global $wgDatabase;
 208         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 209         if( !$meta->isMultipleKey() ) {
 210                 echo "Updating indexes to 20031107: ";
 211                 dbsource( archive("patch-indexes.sql") );
 212                 echo "ok\n";
 213                 return true;
 214         }
 215         echo "...indexes seem up to 20031107 standards\n";
 216         return false;
 217 }
 218
 219 function do_image_index_update() {
 220         global $wgDatabase;
 221
 222         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 223         if( !$meta->isMultipleKey() ) {
 224                 echo "Updating indexes to 20050912: ";
 225                 dbsource( archive("patch-mimesearch-indexes.sql") );
 226                 echo "ok\n";
 227                 return true;
 228         }
 229         echo "...indexes seem up to 20050912 standards\n";
 230         return false;
 231 }
 232
 233 function do_image_name_unique_update() {
 234         global $wgDatabase;
 235         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 236                 echo "...image primary key already set.\n";
 237         } else {
 238                 echo "Making img_name the primary key... ";
 239                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 240                 echo "ok\n";
 241         }
 242 }
 243
 244 function do_logging_timestamp_index() {
 245         global $wgDatabase;
 246         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 247                 echo "...timestamp key on logging already exists.\n";
 248         } else {
 249                 echo "Adding timestamp key on logging table... ";
 250                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 251                 echo "ok\n";
 252         }
 253 }
 254
 255 function do_archive_user_index() {
 256         global $wgDatabase;
 257         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 258                 echo "...usertext,timestamp key on archive already exists.\n";
 259         } else {
 260                 echo "Adding usertext,timestamp key on archive table... ";
 261                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 262                 echo "ok\n";
 263         }
 264 }
 265
 266 function do_watchlist_update() {
 267         global $wgDatabase;
 268         $fname = 'do_watchlist_update';
 269         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 270                 echo "The watchlist table is already set up for email notification.\n";
 271         } else {
 272                 echo "Adding wl_notificationtimestamp field for email notification management.";
 273                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 274                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 275                 echo "ok\n";
 276         }
 277         # Check if we need to add talk page rows to the watchlist
 278         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 279         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 280         if ( $talk != $nontalk ) {
 281                 echo "Adding missing watchlist talk page rows... ";
 282                 flush();
 283
 284                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 285                         array(
 286                                 'wl_user' => 'wl_user',
 287                                 'wl_namespace' => 'wl_namespace | 1',
 288                                 'wl_title' => 'wl_title',
 289                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 290                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 291                 echo "ok\n";
 292         } else {
 293                 echo "...watchlist talk page rows already present\n";
 294         }
 295 }
 296
 297 function do_copy_newtalk_to_watchlist() {
 298         global $wgDatabase;
 299         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 300
 301         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 302                 $wgDatabase->tableName( 'user_newtalk' ) );
 303         $num_newtalks=$wgDatabase->numRows($res);
 304         echo "Now converting ".$num_newtalks." user_newtalk entries to watchlist table entries ... \n";
 305
 306         $user = new User();
 307         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 308                 $wluser = $wgDatabase->fetchObject( $res );
 309                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 310                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 311                                 $wgDatabase->replace( 'watchlist',
 312                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 313                                           array('wl_user'                       => 0,
 314                                                 'wl_namespace'                  => NS_USER_TALK,
 315                                                 'wl_title'                      => $wluser->user_ip,
 316                                                 'wl_notificationtimestamp'      => '19700101000000'
 317                                                 ), 'updaters.inc::do_watchlist_update2'
 318                                         );
 319                         }
 320                 } else { # normal users ... have user_ids
 321                         $user->setID($wluser->user_id);
 322                         $wgDatabase->replace( 'watchlist',
 323                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 324                                   array('wl_user'                       => $user->getID(),
 325                                         'wl_namespace'                  => NS_USER_TALK,
 326                                         'wl_title'                      => $user->getName(),
 327                                         'wl_notificationtimestamp'      => '19700101000000'
 328                                         ), 'updaters.inc::do_watchlist_update3'
 329                                 );
 330                 }
 331         }
 332         echo "Done.\n";
 333 }
 334
 335
 336 function do_user_update() {
 337         global $wgDatabase;
 338         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 339                 echo "User table contains old email authentication field. Dropping... ";
 340                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 341                 echo "ok\n";
 342         } else {
 343                 echo "...user table does not contain old email authentication field.\n";
 344         }
 345 }
 346
 347 /**
 348  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 349  * which causes a collation mismatch error on joins in MySQL 4.1.
 350  */
 351 function do_logging_encoding() {
 352         global $wgDatabase, $wgDBtype;
 353         if ($wgDBtype != 'mysql')
 354                 return;
 355         $logging = $wgDatabase->tableName( 'logging' );
 356         $res = $wgDatabase->query( "SELECT log_title FROM $logging LIMIT 0" );
 357         $flags = explode( ' ', mysql_field_flags( $res, 0 ) );
 358         $wgDatabase->freeResult( $res );
 359
 360         if( in_array( 'binary', $flags ) ) {
 361                 echo "Logging table has correct title encoding.\n";
 362         } else {
 363                 echo "Fixing title encoding on logging table... ";
 364                 dbsource( archive( 'patch-logging-title.sql' ), $wgDatabase );
 365                 echo "ok\n";
 366         }
 367 }
 368
 369 function do_schema_restructuring() {
 370         global $wgDatabase;
 371         $fname="do_schema_restructuring";
 372         if ( $wgDatabase->tableExists( 'page' ) ) {
 373                 echo "...page table already exists.\n";
 374         } else {
 375                 echo "...converting from cur/old to page/revision/text DB structure.\n"; flush();
 376                 echo wfTimestamp( TS_DB );
 377                 echo "......checking for duplicate entries.\n"; flush();
 378
 379                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 380
 381                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 382                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 383
 384                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 385                         echo wfTimestamp( TS_DB );
 386                         echo "......<b>Found duplicate entries</b>\n";
 387                         echo ( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 388                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 389                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 390                                         $duplicate[$row->cur_namespace] = array();
 391                                 }
 392                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 393                                 echo ( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 394                         }
 395                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 396                         $firstCond = true;
 397                         foreach ( $duplicate as $ns => $titles ) {
 398                                 if ( $firstCond ) {
 399                                         $firstCond = false;
 400                                 } else {
 401                                         $sql .= ' OR ';
 402                                 }
 403                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 404                                 $first = true;
 405                                 foreach ( $titles as $t ) {
 406                                         if ( $first ) {
 407                                                 $sql .= $wgDatabase->addQuotes( $t );
 408                                                 $first = false;
 409                                         } else {
 410                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 411                                         }
 412                                 }
 413                                 $sql .= ") ) \n";
 414                         }
 415                         # By sorting descending, the most recent entry will be the first in the list.
 416                         # All following entries will be deleted by the next while-loop.
 417                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 418
 419                         $rows = $wgDatabase->query( $sql, $fname );
 420
 421                         $prev_title = $prev_namespace = false;
 422                         $deleteId = array();
 423
 424                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 425                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 426                                         $deleteId[] = $row->cur_id;
 427                                 }
 428                                 $prev_title     = $row->cur_title;
 429                                 $prev_namespace = $row->cur_namespace;
 430                         }
 431                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 432                         $rows = $wgDatabase->query( $sql, $fname );
 433                         echo wfTimestamp( TS_DB );
 434                         echo "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n";
 435                 }
 436
 437
 438                 echo wfTimestamp( TS_DB );
 439                 echo "......Creating tables.\n";
 440                 $wgDatabase->query("CREATE TABLE $page (
 441                         page_id int(8) unsigned NOT NULL auto_increment,
 442                         page_namespace int NOT NULL,
 443                         page_title varchar(255) binary NOT NULL,
 444                         page_restrictions tinyblob NOT NULL,
 445                         page_counter bigint(20) unsigned NOT NULL default '0',
 446                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 447                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 448                         page_random real unsigned NOT NULL,
 449                         page_touched char(14) binary NOT NULL default '',
 450                         page_latest int(8) unsigned NOT NULL,
 451                         page_len int(8) unsigned NOT NULL,
 452
 453                         PRIMARY KEY page_id (page_id),
 454                         UNIQUE INDEX name_title (page_namespace,page_title),
 455                         INDEX (page_random),
 456                         INDEX (page_len)
 457                         ) TYPE=InnoDB", $fname );
 458                 $wgDatabase->query("CREATE TABLE $revision (
 459                         rev_id int(8) unsigned NOT NULL auto_increment,
 460                         rev_page int(8) unsigned NOT NULL,
 461                         rev_comment tinyblob NOT NULL,
 462                         rev_user int(5) unsigned NOT NULL default '0',
 463                         rev_user_text varchar(255) binary NOT NULL default '',
 464                         rev_timestamp char(14) binary NOT NULL default '',
 465                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 466                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 467                         rev_len int(8) unsigned,
 468                         rev_parent_id int(8) unsigned default NULL,
 469                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 470                         UNIQUE INDEX rev_id (rev_id),
 471                         INDEX rev_timestamp (rev_timestamp),
 472                         INDEX page_timestamp (rev_page,rev_timestamp),
 473                         INDEX user_timestamp (rev_user,rev_timestamp),
 474                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 475                         ) TYPE=InnoDB", $fname );
 476
 477                 echo wfTimestamp( TS_DB );
 478                 echo "......Locking tables.\n";
 479                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 480
 481                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 482                 echo wfTimestamp( TS_DB );
 483                 echo "......maxold is {$maxold}\n";
 484
 485                 echo wfTimestamp( TS_DB );
 486                 global $wgLegacySchemaConversion;
 487                 if( $wgLegacySchemaConversion ) {
 488                         // Create HistoryBlobCurStub entries.
 489                         // Text will be pulled from the leftover 'cur' table at runtime.
 490                         echo "......Moving metadata from cur; using blob references to text in cur table.\n";
 491                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 492                         $cur_flags = "'object'";
 493                 } else {
 494                         // Copy all cur text in immediately: this may take longer but avoids
 495                         // having to keep an extra table around.
 496                         echo "......Moving text from cur.\n";
 497                         $cur_text = 'cur_text';
 498                         $cur_flags = "''";
 499                 }
 500                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 501                                 old_timestamp, old_minor_edit, old_flags)
 502                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 503                         FROM $cur", $fname );
 504
 505                 echo wfTimestamp( TS_DB );
 506                 echo "......Setting up revision table.\n";
 507                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 508                                 rev_minor_edit)
 509                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 510                                 old_timestamp, old_minor_edit
 511                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 512
 513                 echo wfTimestamp( TS_DB );
 514                 echo "......Setting up page table.\n";
 515                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 516                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 517                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 518                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 519                         FROM $cur,$revision
 520                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 521
 522                 echo wfTimestamp( TS_DB );
 523                 echo "......Unlocking tables.\n";
 524                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 525
 526                 echo wfTimestamp( TS_DB );
 527                 echo "......Renaming old.\n";
 528                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 529
 530                 echo wfTimestamp( TS_DB );
 531                 echo "...done.\n";
 532         }
 533 }
 534
 535 function do_inverse_timestamp() {
 536         global $wgDatabase;
 537         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 538                 echo "Removing revision.inverse_timestamp and fixing indexes... ";
 539                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 540                 echo "ok\n";
 541         } else {
 542                 echo "revision timestamp indexes already up to 2005-03-13\n";
 543         }
 544 }
 545
 546 function do_text_id() {
 547         global $wgDatabase;
 548         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 549                 echo "...rev_text_id already in place.\n";
 550         } else {
 551                 echo "Adding rev_text_id field... ";
 552                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 553                 echo "ok\n";
 554         }
 555 }
 556
 557 function do_namespace_size() {
 558         $tables = array(
 559                 'page'          => 'page',
 560                 'archive'       => 'ar',
 561                 'recentchanges' => 'rc',
 562                 'watchlist'     => 'wl',
 563                 'querycache'    => 'qc',
 564                 'logging'       => 'log',
 565         );
 566         foreach( $tables as $table => $prefix ) {
 567                 do_namespace_size_on( $table, $prefix );
 568                 flush();
 569         }
 570 }
 571
 572 function do_namespace_size_on( $table, $prefix ) {
 573         global $wgDatabase, $wgDBtype;
 574         if ($wgDBtype != 'mysql')
 575                 return;
 576         $field = $prefix . '_namespace';
 577
 578         $tablename = $wgDatabase->tableName( $table );
 579         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 580         $info = $wgDatabase->fetchObject( $result );
 581         $wgDatabase->freeResult( $result );
 582
 583         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 584                 echo "...$field is already a full int ($info->Type).\n";
 585         } else {
 586                 echo "Promoting $field from $info->Type to int... ";
 587
 588                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 589                 $wgDatabase->query( $sql );
 590
 591                 echo "ok\n";
 592         }
 593 }
 594
 595 function do_pagelinks_update() {
 596         global $wgDatabase;
 597         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 598                 echo "...already have pagelinks table.\n";
 599         } else {
 600                 echo "Converting links and brokenlinks tables to pagelinks... ";
 601                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 602                 echo "ok\n";
 603                 flush();
 604
 605                 global $wgCanonicalNamespaceNames;
 606                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 607                         if( $ns != 0 ) {
 608                                 do_pagelinks_namespace( $ns );
 609                         }
 610                 }
 611         }
 612 }
 613
 614 function do_pagelinks_namespace( $namespace ) {
 615         global $wgDatabase, $wgContLang;
 616
 617         $ns = intval( $namespace );
 618         echo "Cleaning up broken links for namespace $ns... ";
 619
 620         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 621         $name = $wgContLang->getNsText( $ns );
 622         $prefix = $wgDatabase->strencode( $name );
 623         $likeprefix = str_replace( '_', '\\_', $prefix);
 624
 625         $sql = "UPDATE $pagelinks
 626                    SET pl_namespace=$ns,
 627                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 628                  WHERE pl_namespace=0
 629                    AND pl_title LIKE '$likeprefix:%'";
 630
 631         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 632         echo "ok\n";
 633 }
 634
 635 function do_drop_img_type() {
 636         global $wgDatabase;
 637
 638         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 639                 echo "Dropping unused img_type field in image table... ";
 640                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 641                 echo "ok\n";
 642         } else {
 643                 echo "No img_type field in image table; Good.\n";
 644         }
 645 }
 646
 647 function do_old_links_update() {
 648         global $wgDatabase;
 649         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 650                 echo "Already have pagelinks; skipping old links table updates.\n";
 651         } else {
 652                 convertLinks(); flush();
 653         }
 654 }
 655
 656 function do_user_unique_update() {
 657         global $wgDatabase;
 658         $duper = new UserDupes( $wgDatabase );
 659         if( $duper->hasUniqueIndex() ) {
 660                 echo "Already have unique user_name index.\n";
 661         } else {
 662                 if( !$duper->clearDupes() ) {
 663                         echo "WARNING: This next step will probably fail due to unfixed duplicates...\n";
 664                 }
 665                 echo "Adding unique index on user_name... ";
 666                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 667                 echo "ok\n";
 668         }
 669 }
 670
 671 function do_user_groups_update() {
 672         $fname = 'do_user_groups_update';
 673         global $wgDatabase;
 674
 675         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 676                 echo "...user_groups table already exists.\n";
 677                 return do_user_groups_reformat();
 678         }
 679
 680         echo "Adding user_groups table... ";
 681         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 682         echo "ok\n";
 683
 684         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 685                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 686                         echo "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion...";
 687                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 688                         echo "ok\n";
 689                 } else {
 690                         echo "*** WARNING: couldn't locate user_rights table or field for upgrade.\n";
 691                         echo "*** You may need to manually configure some sysops by manipulating\n";
 692                         echo "*** the user_groups table.\n";
 693                         return;
 694                 }
 695         }
 696
 697         echo "Converting user_rights table to user_groups... ";
 698         $result = $wgDatabase->select( 'user_rights',
 699                 array( 'ur_user', 'ur_rights' ),
 700                 array( "ur_rights != ''" ),
 701                 $fname );
 702
 703         while( $row = $wgDatabase->fetchObject( $result ) ) {
 704                 $groups = array_unique(
 705                         array_map( 'trim',
 706                                 explode( ',', $row->ur_rights ) ) );
 707
 708                 foreach( $groups as $group ) {
 709                         $wgDatabase->insert( 'user_groups',
 710                                 array(
 711                                         'ug_user'  => $row->ur_user,
 712                                         'ug_group' => $group ),
 713                                 $fname );
 714                 }
 715         }
 716         $wgDatabase->freeResult( $result );
 717         echo "ok\n";
 718 }
 719
 720 function do_user_groups_reformat() {
 721         # Check for bogus formats from previous 1.5 alpha code.
 722         global $wgDatabase;
 723         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 724
 725         if( $info->type() == 'int' ) {
 726                 $oldug = $wgDatabase->tableName( 'user_groups' );
 727                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 728                 echo "user_groups is in bogus intermediate format. Renaming to $newug... ";
 729                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 730                 echo "ok\n";
 731
 732                 echo "Re-adding fresh user_groups table... ";
 733                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 734                 echo "ok\n";
 735
 736                 echo "***\n";
 737                 echo "*** WARNING: You will need to manually fix up user permissions in the user_groups\n";
 738                 echo "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n";
 739                 echo "***\n";
 740         } else {
 741                 echo "...user_groups is in current format.\n";
 742         }
 743
 744 }
 745
 746 function do_watchlist_null() {
 747         # Make sure wl_notificationtimestamp can be NULL,
 748         # and update old broken items.
 749         global $wgDatabase;
 750         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 751
 752         if( !$info->nullable() ) {
 753                 echo "Making wl_notificationtimestamp nullable... ";
 754                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 755                 echo "ok\n";
 756         } else {
 757                 echo "...wl_notificationtimestamp is already nullable.\n";
 758         }
 759
 760 }
 761
 762 /**
 763  * @bug 3946
 764  */
 765 function do_page_random_update() {
 766         global $wgDatabase;
 767
 768         echo "Setting page_random to a random value on rows where it equals 0...";
 769
 770         $page = $wgDatabase->tableName( 'page' );
 771         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 772         $rows = $wgDatabase->affectedRows();
 773
 774         echo "changed $rows rows\n";
 775 }
 776
 777 function do_templatelinks_update() {
 778         global $wgDatabase, $wgLoadBalancer;
 779         $fname = 'do_templatelinks_update';
 780
 781         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 782                 echo "...templatelinks table already exists\n";
 783                 return;
 784         }
 785         echo "Creating templatelinks table...\n";
 786         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 787         echo "Populating...\n";
 788         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 789                 // Slow, replication-friendly update
 790                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 791                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 792                 $count = 0;
 793                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 794                         $count = ($count + 1) % 100;
 795                         if ( $count == 0 ) {
 796                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 797                                         wfWaitForSlaves( 10 );
 798                                 } else {
 799                                         sleep( 1 );
 800                                 }
 801                         }
 802                         $wgDatabase->insert( 'templatelinks',
 803                                 array(
 804                                         'tl_from' => $row->pl_from,
 805                                         'tl_namespace' => $row->pl_namespace,
 806                                         'tl_title' => $row->pl_title,
 807                                 ), $fname
 808                         );
 809
 810                 }
 811                 $wgDatabase->freeResult( $res );
 812         } else {
 813                 // Fast update
 814                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 815                         array(
 816                                 'tl_from' => 'pl_from',
 817                                 'tl_namespace' => 'pl_namespace',
 818                                 'tl_title' => 'pl_title'
 819                         ), array(
 820                                 'pl_namespace' => 10
 821                         ), $fname
 822                 );
 823         }
 824         echo "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n";
 825 }
 826
 827 # July 2006
 828 # Add ( rc_namespace, rc_user_text ) index [R. Church]
 829 function do_rc_indices_update() {
 830         global $wgDatabase;
 831         echo( "Checking for additional recent changes indices...\n" );
 832         # See if we can find the index we want
 833         $info = $wgDatabase->indexInfo( 'recentchanges', 'rc_ns_usertext', __METHOD__ );
 834         if( !$info ) {
 835                 # None, so create
 836                 echo( "...index on ( rc_namespace, rc_user_text ) not found; creating\n" );
 837                 dbsource( archive( 'patch-recentchanges-utindex.sql' ) );
 838         } else {
 839                 # Index seems to exist
 840                 echo( "...index on ( rc_namespace, rc_user_text ) seems to be ok\n" );
 841         }
 842
 843         #Add (rc_user_text, rc_timestamp) index [A. Garrett], November 2006
 844         # See if we can find the index we want
 845         $info = $wgDatabase->indexInfo( 'recentchanges', 'rc_user_text', __METHOD__ );
 846         if( !$info ) {
 847                 # None, so create
 848                 echo( "...index on ( rc_user_text, rc_timestamp ) not found; creating\n" );
 849                 dbsource( archive( 'patch-rc_user_text-index.sql' ) );
 850         } else {
 851                 # Index seems to exist
 852                 echo( "...index on ( rc_user_text, rc_timestamp ) seems to be ok\n" );
 853         }
 854 }
 855
 856 function index_has_field($table, $index, $field) {
 857         global $wgDatabase;
 858         echo( "Checking if $table index $index includes field $field...\n" );
 859         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 860         if( $info ) {
 861                 foreach($info as $row) {
 862                         if($row->Column_name == $field) {
 863                                 echo( "...index $index on table $table seems to be ok\n" );
 864                                 return true;
 865                         }
 866                 }
 867         }
 868         echo( "...index $index on table $table has no field $field; adding\n" );
 869         return false;
 870 }
 871
 872 function do_backlinking_indices_update() {
 873         echo( "Checking for backlinking indices...\n" );
 874         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 875                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 876                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 877         {
 878                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 879         }
 880 }
 881
 882 function do_categorylinks_indices_update() {
 883         echo( "Checking for categorylinks indices...\n" );
 884         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 885         {
 886                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 887         }
 888 }
 889
 890 function do_stats_init() {
 891         // Sometimes site_stats table is not properly populated.
 892         global $wgDatabase;
 893         echo "Checking site_stats row...";
 894         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
 895         if( $row === false ) {
 896                 echo "data is missing! rebuilding...\n";
 897
 898                 global $IP;
 899                 require_once "$IP/maintenance/initStats.inc";
 900                 wfInitStats();
 901         } else {
 902                 echo "ok.\n";
 903         }
 904 }
 905
 906 function purge_cache() {
 907         global $wgDatabase;
 908         # We can't guarantee that the user will be able to use TRUNCATE,
 909         # but we know that DELETE is available to us
 910         echo( "Purging caches..." );
 911         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
 912         echo( "done.\n" );
 913 }
 914
 915 function do_all_updates( $shared = false, $purge = true ) {
 916         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgDatabase, $wgDBtype, $IP;
 917
 918         wfRunHooks('LoadExtensionSchemaUpdates');
 919
 920         $doUser = !$wgSharedDB || $shared;
 921
 922         if ($wgDBtype === 'postgres') {
 923                 do_postgres_updates();
 924                 return;
 925         }
 926
 927         # Rename tables
 928         foreach ( $wgRenamedTables as $tableRecord ) {
 929                 rename_table( $tableRecord[0], $tableRecord[1], $tableRecord[2] );
 930         }
 931
 932         # Add missing tables
 933         foreach ( $wgNewTables as $tableRecord ) {
 934                 add_table( $tableRecord[0], $tableRecord[1] );
 935                 flush();
 936         }
 937
 938         # Add missing fields
 939         foreach ( $wgNewFields as $fieldRecord ) {
 940                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 941                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2] );
 942                 }
 943                 flush();
 944         }
 945
 946         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
 947         # Add missing extension tables
 948         foreach ( $wgExtNewTables as $tableRecord ) {
 949                 add_table( $tableRecord[0], $tableRecord[1], true );
 950                 flush();
 951         }
 952         # Add missing extension fields
 953         foreach ( $wgExtNewFields as $fieldRecord ) {
 954                 if ( $fieldRecord[0] != 'user' || $doUser ) {
 955                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 956                 }
 957                 flush();
 958         }
 959         # Add missing extension indexes
 960         foreach ( $wgExtNewIndexes as $fieldRecord ) {
 961                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
 962                 flush();
 963         }
 964
 965         # Do schema updates which require special handling
 966         do_interwiki_update(); flush();
 967         do_index_update(); flush();
 968         do_old_links_update(); flush();
 969         do_image_name_unique_update(); flush();
 970         do_watchlist_update(); flush();
 971         if ( $doUser ) {
 972                 do_user_update(); flush();
 973         }
 974 ######  do_copy_newtalk_to_watchlist(); flush();
 975         do_logging_encoding(); flush();
 976
 977         do_schema_restructuring(); flush();
 978         do_inverse_timestamp(); flush();
 979         do_text_id(); flush();
 980         do_namespace_size(); flush();
 981
 982         do_pagelinks_update(); flush();
 983         do_templatelinks_update(); flush(); // after pagelinks
 984
 985         do_drop_img_type(); flush();
 986
 987         if ( $doUser ) {
 988                 do_user_unique_update(); flush();
 989         }
 990         do_user_groups_update(); flush();
 991
 992         do_watchlist_null(); flush();
 993
 994         //do_image_index_update(); flush();
 995
 996         do_logging_timestamp_index(); flush();
 997
 998         do_page_random_update(); flush();
 999
1000         do_rc_indices_update(); flush();
1001
1002         add_table( 'redirect', 'patch-redirect.sql' );
1003
1004         do_backlinking_indices_update(); flush();
1005
1006         do_categorylinks_indices_update(); flush();
1007
1008         do_restrictions_update(); flush ();
1009
1010         do_archive_user_index(); flush ();
1011
1012         echo "Deleting old default messages (this may take a long time!)..."; flush();
1013         deleteDefaultMessages();
1014         echo "Done\n"; flush();
1015
1016         do_stats_init(); flush();
1017
1018         if( $purge ) {
1019                 purge_cache();
1020                 flush();
1021         }
1022 }
1023
1024 function archive($name) {
1025         global $wgDBtype, $IP;
1026         switch ($wgDBtype) {
1027         case "postgres":
1028                 return "$IP/maintenance/postgres/archives/$name";
1029         default:
1030                 return "$IP/maintenance/archives/$name";
1031         }
1032 }
1033
1034 function do_restrictions_update() {
1035         # Adding page_restrictions table, obsoleting page.page_restrictions.
1036         #  Migrating old restrictions to new table
1037         # -- Andrew Garrett, January 2007.
1038
1039         global $wgDatabase;
1040
1041         $name = 'page_restrictions';
1042         $patch = 'patch-page_restrictions.sql';
1043         $patch2 = 'patch-page_restrictions_sortkey.sql';
1044
1045         if ( $wgDatabase->tableExists( $name ) ) {
1046                 echo "...$name table already exists.\n";
1047         } else {
1048                 echo "Creating $name table...";
1049                 dbsource( archive($patch), $wgDatabase );
1050                 dbsource( archive($patch2), $wgDatabase );
1051                 echo "ok\n";
1052
1053                 echo "Migrating old restrictions to new table...";
1054
1055                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1056
1057                 $count = 0;
1058
1059                 while ($row = $wgDatabase->fetchObject($res) ) {
1060                         $count = ($count + 1) % 100;
1061
1062                         if ($count == 0) {
1063                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1064                                         wfWaitForSlaves( 10 );
1065                                 } else {
1066                                         sleep( 1 );
1067                                 }
1068                         }
1069
1070                         # Figure out what the restrictions are..
1071                         $id = $row->page_id;
1072                         $flatrestrictions = explode( ':', $row->page_restrictions );
1073
1074                         $restrictions = array ();
1075                         foreach( $flatrestrictions as $restriction ) {
1076                                 $thisrestriction = explode( '=', $restriction, 2 );
1077                                 if( count( $thisrestriction ) == 1 ) {
1078                                         // Compatibility with old protections from before
1079                                         // separate move protection was added.
1080                                         list( $level ) = $thisrestriction;
1081                                         if( $level ) {
1082                                                 $restrictions['edit'] = $level;
1083                                                 $restrictions['move'] = $level;
1084                                         }
1085                                 } else {
1086                                         list( $type, $level ) = $thisrestriction;
1087                                         if( $level ) {
1088                                                 $restrictions[$type] = $level;
1089                                         }
1090                                 }
1091
1092                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1093
1094                         }
1095
1096                         foreach( $restrictions as $type => $level ) {
1097                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1098                                                                                         'pr_type' => $type,
1099                                                                                         'pr_level' => $level,
1100                                                                                         'pr_cascade' => 0,
1101                                                                                         'pr_expiry' => 'infinity' ),
1102                                                                                         __METHOD__ );
1103                         }
1104                 }
1105                 print "ok\n";
1106         }
1107
1108 }
1109
1110 function
1111 pg_describe_table($table)
1112 {
1113 global  $wgDatabase, $wgDBmwschema;
1114         $q = <<<END
1115 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1116         WHERE pg_class.relnamespace = pg_namespace.oid
1117           AND attrelid=pg_class.oid AND attnum > 0
1118           AND relname=%s AND nspname=%s
1119 END;
1120         $res = $wgDatabase->query(sprintf($q,
1121                         $wgDatabase->addQuotes($table),
1122                         $wgDatabase->addQuotes($wgDBmwschema)));
1123         if (!$res)
1124                 return null;
1125
1126         $cols = array();
1127         while ($r = $wgDatabase->fetchRow($res)) {
1128                 $cols[] = array(
1129                                 "name" => $r[0],
1130                                 "ord" => $r[1],
1131                         );
1132         }
1133         return $cols;
1134 }
1135
1136 function
1137 pg_describe_index($idx)
1138 {
1139 global  $wgDatabase, $wgDBmwschema;
1140
1141         // first fetch the key (which is a list of columns ords) and
1142         // the table the index applies to (an oid)
1143         $q = <<<END
1144 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1145         WHERE nspname=%s
1146           AND pg_class.relnamespace = pg_namespace.oid
1147           AND relname=%s
1148           AND indexrelid=pg_class.oid
1149 END;
1150         $res = $wgDatabase->query(sprintf($q,
1151                         $wgDatabase->addQuotes($wgDBmwschema),
1152                         $wgDatabase->addQuotes($idx)));
1153         if (!$res)
1154                 return null;
1155         if (!($r = $wgDatabase->fetchRow($res))) {
1156                 $wgDatabase->freeResult($res);
1157                 return null;
1158         }
1159
1160         $indkey = $r[0];
1161         $relid = intval($r[1]);
1162         $indkeys = explode(" ", $indkey);
1163         $wgDatabase->freeResult($res);
1164
1165         $colnames = array();
1166         foreach ($indkeys as $rid) {
1167                 $query = <<<END
1168 SELECT attname FROM pg_class, pg_attribute
1169         WHERE attrelid=$relid
1170           AND attnum=%d
1171           AND attrelid=pg_class.oid
1172 END;
1173                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1174                 if (!$r2)
1175                         return null;
1176                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1177                         $wgDatabase->freeResult($r2);
1178                         return null;
1179                 }
1180                 $colnames[] = $row2[0];
1181                 $wgDatabase->freeResult($r2);
1182         }
1183
1184         return $colnames;
1185 }
1186
1187 function
1188 pg_index_exists($table, $index)
1189 {
1190 global  $wgDatabase, $wgDBmwschema;
1191         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1192                         array(  "indexname" => $index,
1193                                 "tablename" => $table,
1194                                 "schemaname" => $wgDBmwschema));
1195         return $exists === $index;
1196 }
1197
1198 function
1199 pg_fkey_deltype($fkey)
1200 {
1201 global  $wgDatabase, $wgDBmwschema;
1202         $q = <<<END
1203 SELECT confdeltype FROM pg_constraint, pg_namespace
1204         WHERE connamespace=pg_namespace.oid
1205           AND nspname=%s
1206           AND conname=%s;
1207 END;
1208         $r = $wgDatabase->query(sprintf($q,
1209                 $wgDatabase->addQuotes($wgDBmwschema),
1210                 $wgDatabase->addQuotes($fkey)));
1211         if (!($row = $wgDatabase->fetchRow($r)))
1212                 return null;
1213         return $row[0];
1214 }
1215
1216 function
1217 pg_rule_def($table, $rule)
1218 {
1219 global  $wgDatabase, $wgDBmwschema;
1220         $q = <<<END
1221 SELECT definition FROM pg_rules
1222         WHERE schemaname = %s
1223           AND tablename = %s
1224           AND rulename = %s
1225 END;
1226         $r = $wgDatabase->query(sprintf($q,
1227                         $wgDatabase->addQuotes($wgDBmwschema),
1228                         $wgDatabase->addQuotes($table),
1229                         $wgDatabase->addQuotes($rule)));
1230         $row = $wgDatabase->fetchRow($r);
1231         if (!$row)
1232                 return null;
1233         $d = $row[0];
1234         $wgDatabase->freeResult($r);
1235         return $d;
1236 }
1237
1238 function do_postgres_updates() {
1239         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1240
1241         $wgShowExceptionDetails = 1;
1242
1243         # Just in case their LocalSettings.php does not have this:
1244         if ( !isset( $wgDBmwschema ))
1245                 $wgDBmwschema = 'mediawiki';
1246
1247         # Verify that this user is configured correctly
1248         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1249         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_user WHERE usename = $safeuser";
1250         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1251         $conf = array();
1252         foreach( explode( '*', $config ) as $c ) {
1253                 list( $x,$y ) = explode( '=', $c );
1254                 $conf[$x] = $y;
1255         }
1256         $newpath = array();
1257         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBmwschema ) === false ) {
1258                 print "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n";
1259                 $newpath[$wgDBmwschema] = 1;
1260         }
1261         if( !array_key_exists( 'search_path', $conf ) or strpos( $conf['search_path'],$wgDBts2schema ) === false ) {
1262                 print "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n";
1263                 $newpath[$wgDBts2schema] = 1;
1264         }
1265         $searchpath = implode( ',', array_keys( $newpath ) );
1266         if( strlen( $searchpath ) ) {
1267                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $searchpath" );
1268         }
1269         $goodconf = array(
1270                 'client_min_messages' => 'error',
1271                 'DateStyle'           => 'ISO, YMD',
1272                 'TimeZone'            => 'GMT'
1273         );
1274         foreach( array_keys( $goodconf ) AS $key ) {
1275                 $value = $goodconf[$key];
1276                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1277                         print "Setting $key to '$value' for user \"$wgDBuser\"\n";
1278                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1279                 }
1280         }
1281
1282         $newsequences = array(
1283                 "log_log_id_seq",
1284                 "pr_id_val",
1285         );
1286
1287         $newtables = array(
1288                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1289                 array("mwuser",            "patch-mwuser.sql"),
1290                 array("pagecontent",       "patch-pagecontent.sql"),
1291                 array("querycachetwo",     "patch-querycachetwo.sql"),
1292                 array("page_restrictions", "patch-page_restrictions.sql"),
1293                 array("profiling",         "patch-profiling.sql"),
1294                 array("redirect",          "patch-redirect.sql"),
1295         );
1296
1297         $newcols = array(
1298                 array("archive",       "ar_len",               "INTEGER"),
1299                 array("ipblocks",      "ipb_anon_only",        "CHAR NOT NULL DEFAULT '0'"),
1300                 array("ipblocks",      "ipb_block_email",      "CHAR NOT NULL DEFAULT '0'"),
1301                 array("ipblocks",      "ipb_create_account",   "CHAR NOT NULL DEFAULT '1'"),
1302                 array("ipblocks",      "ipb_deleted",          "INTEGER NOT NULL DEFAULT 0"),
1303                 array("ipblocks",      "ipb_enable_autoblock", "CHAR NOT NULL DEFAULT '1'"),
1304                 array("filearchive",   "fa_deleted",           "INTEGER NOT NULL DEFAULT 0"),
1305                 array("logging",       "log_deleted",          "INTEGER NOT NULL DEFAULT 0"),
1306                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1307                 array("logging",       "log_params",           "TEXT"),
1308                 array("mwuser",        "user_editcount",       "INTEGER"),
1309                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1310                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL"),
1311                 array("oldimage",      "oi_media_type",        "TEXT NOT NULL"),
1312                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1313                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1314                 array("oldimage",      "oi_deleted",           "CHAR NOT NULL DEFAULT '0'"),
1315                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1316                 array("recentchanges", "rc_deleted",           "INTEGER NOT NULL DEFAULT 0"),
1317                 array("recentchanges", "rc_log_action",        "TEXT"),
1318         array("recentchanges", "rc_log_type",          "TEXT"),
1319         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1320                 array("recentchanges", "rc_new_len",           "INTEGER"),
1321                 array("recentchanges", "rc_old_len",           "INTEGER"),
1322                 array("recentchanges", "rc_params",            "TEXT"),
1323                 array("revision",      "rev_len",              "INTEGER"),
1324         );
1325
1326
1327         # table, column, desired type, USING clause if needed
1328         $typechanges = array(
1329                 array("image",        "img_size",        "int4",  ""),
1330                 array("image",        "img_width",       "int4",  ""),
1331                 array("image",        "img_height",      "int4",  ""),
1332                 array("ipblocks",     "ipb_address",     "text", "ipb_address::text"),
1333                 array("math",         "math_inputhash",  "bytea", "decode(math_inputhash,'escape')"),
1334                 array("math",         "math_outputhash", "bytea", "decode(math_outputhash,'escape')"),
1335                 array("oldimage",     "oi_size",         "int4",  ""),
1336                 array("oldimage",     "oi_width",        "int4",  ""),
1337                 array("oldimage",     "oi_height",       "int4",  ""),
1338                 array("user_newtalk", "user_ip",         "text", "host(user_ip)"),
1339         );
1340
1341         $newindexes = array(
1342                 array("revision", "rev_text_id_idx", "patch-rev_text_id_idx.sql"),
1343                 array("archive", "usertext_timestamp", "patch-archive-user-index.sql"),
1344         );
1345
1346         $newrules = array(
1347         );
1348
1349         foreach ($newsequences as $ns) {
1350                 if ($wgDatabase->sequenceExists($ns)) {
1351                         echo "... sequence $ns already exists\n";
1352                         continue;
1353                 }
1354
1355                 echo "... create sequence $ns\n";
1356                 $wgDatabase->query("CREATE SEQUENCE $ns");
1357         }
1358
1359         foreach ($newtables as $nt) {
1360                 if ($wgDatabase->tableExists($nt[0])) {
1361                         echo "... table $nt[0] already exists\n";
1362                         continue;
1363                 }
1364
1365                 echo "... create table $nt[0]\n";
1366                 dbsource(archive($nt[1]));
1367         }
1368
1369         ## Needed before newcols
1370         if ($wgDatabase->tableExists("archive2")) {
1371                 echo "... convert archive2 back to normal archive table\n";
1372                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1373                         echo "...   drop rule archive_insert\n";
1374                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1375                 }
1376                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1377                         echo "...   drop rule archive_delete\n";
1378                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1379                 }
1380
1381                 dbsource(archive("patch-remove-archive2.sql"));
1382         } else
1383                 echo "... obsolete archive2 not present\n";
1384
1385         foreach ($newcols as $nc) {
1386                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1387                 if (!is_null($fi)) {
1388                         echo "... column $nc[0].$nc[1] already exists\n";
1389                         continue;
1390                 }
1391
1392                 echo "... add column $nc[0].$nc[1]\n";
1393                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1394         }
1395
1396         foreach ($typechanges as $tc) {
1397                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1398                 if (is_null($fi)) {
1399                         echo "... error: expected column $tc[0].$tc[1] to exist\n";
1400                         exit(1);
1401                 }
1402
1403                 if ($fi->type() === $tc[2])
1404                         echo "... $tc[0].$tc[1] is already $tc[2]\n";
1405                 else {
1406                         echo "... change $tc[0].$tc[1] from {$fi->type()} to $tc[2]\n";
1407                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1408                         if (strlen($tc[3])) {
1409                                 $sql .= " USING $tc[3]";
1410                         }
1411                         $sql .= ";\nCOMMIT;\n";
1412                         $wgDatabase->query($sql);
1413                 }
1414         }
1415
1416         foreach ($newindexes as $ni) {
1417                 if (pg_index_exists($ni[0], $ni[1])) {
1418                         echo "... index $ni[1] on $ni[0] already exists\n";
1419                         continue;
1420                 }
1421                 dbsource(archive($ni[2]));
1422         }
1423
1424         foreach ($newrules as $nr) {
1425                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1426                         echo "... rule $nr[1] on $nr[0] already exists\n";
1427                         continue;
1428                 }
1429                 dbsource(archive($nr[2]));
1430         }
1431
1432         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1433                 echo "... create page_deleted trigger\n";
1434                 dbsource(archive('patch-page_deleted.sql'));
1435         }
1436
1437         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1438         if (!$fi->nullable()) {
1439                 echo "... remove NOT NULL constraint on recentchanges.rc_cur_id\n";
1440                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1441         }
1442
1443         $pu = pg_describe_index("pagelink_unique");
1444         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1445                 echo "... dropping obsolete pagelink_unique index\n";
1446                 $wgDatabase->query("DROP INDEX pagelink_unique");
1447                 $pu = null;
1448         } else
1449                 echo "... obsolete pagelink_unique index not present\n";
1450
1451         if (is_null($pu)) {
1452                 echo "... adding new pagelink_unique index\n";
1453                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1454         } else
1455                 echo "... already have current pagelink_unique index\n";
1456
1457         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1458                 echo "... revision_rev_user_fkey is already ON DELETE RESTRICT\n";
1459         } else {
1460                 echo "... change revision_rev_user_fkey to ON DELETE RESTRICT\n";
1461                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1462         }
1463
1464         if (is_null($wgDatabase->fieldInfo("archive", "ar_deleted"))) {
1465                 echo "... add archive.ar_deleted\n";
1466                 dbsource(archive("patch-archive-ar_deleted.sql"));
1467         } else
1468                 echo "... archive.ar_deleted already exists\n";
1469
1470         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1471         # Add missing extension tables
1472         foreach ( $wgExtNewTables as $nt ) {
1473                 if ($wgDatabase->tableExists($nt[0])) {
1474                         echo "... table $nt[0] already exists\n";
1475                         continue;
1476                 }
1477
1478                 echo "... create table $nt[0]\n";
1479                 dbsource($nt[1]);
1480         }
1481         # Add missing extension fields
1482         foreach ( $wgExtNewFields as $nc ) {
1483                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1484                 if (!is_null($fi)) {
1485                         echo "... column $nc[0].$nc[1] already exists\n";
1486                         continue;
1487                 }
1488
1489                 echo "... add column $nc[0].$nc[1]\n";
1490                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1491         }
1492         # Add missing extension indexes
1493         foreach ( $wgExtNewIndexes as $ni ) {
1494                 if (pg_index_exists($ni[0], $ni[1])) {
1495                         echo "... index $ni[1] on $ni[0] already exists\n";
1496                         continue;
1497                 }
1498                 dbsource($ni[2]);
1499         }
1500
1501         return;
1502 }
1503
1504 ?>