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