maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 require_once 'deleteDefaultMessages.php';
  15 # Extension updates
  16 require_once( "$IP/includes/Hooks.php" );
  17
  18 /**
  19  * List of update functions to call for each DB type, in sequence. First item
  20  * is function name, rest are parameters to pass.
  21  */
  22 $wgUpdates = array(
  23         'mysql' => array(
  24                 // 1.2
  25                 // update_passwords obsolete
  26                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28                 array( 'do_interwiki_update' ),
  29                 array( 'do_index_update' ),
  30                 // do_linkscc_update obsolete
  31                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34                 // 1.3
  35                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39                 // do_linkscc_1_3_update obsolete
  40                 array( 'do_old_links_update' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146                 array( 'update_password_format' ),
 147
 148                 // 1.14
 149                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 150                 array( 'do_active_users_init' ),
 151                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 152                 array( 'do_unique_pl_tl_il' ),
 153
 154                 // 1.15
 155                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 156                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 157                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 158         ),
 159
 160         'sqlite' => array(
 161                 // 1.14
 162                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 163                 array( 'do_active_users_init' ),
 164                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 165                 array( 'sqlite_initial_indexes' ),
 166
 167                 // 1.15
 168                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 169                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 170                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 171         ),
 172 );
 173
 174
 175 # For extensions only, should be populated via hooks
 176 # $wgDBtype should be checked to specifiy the proper file
 177 $wgExtNewTables = array(); // table, dir
 178 $wgExtNewFields = array(); // table, column, dir
 179 $wgExtPGNewFields = array(); // table, column attributes; for PostgreSQL
 180 $wgExtNewIndexes = array(); // table, index, dir
 181
 182 # Helper function: check if the given key is present in the updatelog table.
 183 # Obviously, only use this for updates that occur after the updatelog table was
 184 # created!
 185 function update_row_exists( $key ) {
 186         $dbr = wfGetDB( DB_SLAVE );
 187         $row = $dbr->selectRow(
 188                 'updatelog',
 189                 '1',
 190                 array( 'ul_key' => $key ),
 191                 __FUNCTION__
 192         );
 193         return (bool)$row;
 194 }
 195
 196 function rename_table( $from, $to, $patch ) {
 197         global $wgDatabase;
 198         if ( $wgDatabase->tableExists( $from ) ) {
 199                 if ( $wgDatabase->tableExists( $to ) ) {
 200                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 201                 } else {
 202                         wfOut( "Moving table $from to $to..." );
 203                         dbsource( archive($patch), $wgDatabase );
 204                         wfOut( "ok\n" );
 205                 }
 206         } else {
 207                 // Source table does not exist
 208                 // Renames are done before creations, so this is typical for a new installation
 209                 // Ignore silently
 210         }
 211 }
 212
 213 function add_table( $name, $patch, $fullpath=false ) {
 214         global $wgDatabase;
 215         if ( $wgDatabase->tableExists( $name ) ) {
 216                 wfOut( "...$name table already exists.\n" );
 217         } else {
 218                 wfOut( "Creating $name table..." );
 219                 if( $fullpath ) {
 220                         dbsource( $patch, $wgDatabase );
 221                 } else {
 222                         dbsource( archive($patch), $wgDatabase );
 223                 }
 224                 wfOut( "ok\n" );
 225         }
 226 }
 227
 228 function add_field( $table, $field, $patch, $fullpath=false ) {
 229         global $wgDatabase;
 230         if ( !$wgDatabase->tableExists( $table ) ) {
 231                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 232         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 233                 wfOut( "...have $field field in $table table.\n" );
 234         } else {
 235                 wfOut( "Adding $field field to table $table..." );
 236                 if( $fullpath ) {
 237                         dbsource( $patch, $wgDatabase );
 238                 } else {
 239                         dbsource( archive($patch), $wgDatabase );
 240                 }
 241                 wfOut( "ok\n" );
 242         }
 243 }
 244
 245 function add_index( $table, $index, $patch, $fullpath=false ) {
 246         global $wgDatabase;
 247         if( $wgDatabase->indexExists( $table, $index ) ) {
 248                 wfOut( "...$index key already set on $table table.\n" );
 249         } else {
 250                 wfOut( "Adding $index key to table $table... " );
 251                 if( $fullpath ) {
 252                         dbsource( $patch, $wgDatabase );
 253                 } else {
 254                         dbsource( archive($patch), $wgDatabase );
 255                 }
 256                 wfOut( "ok\n" );
 257         }
 258 }
 259
 260 function do_revision_updates() {
 261         global $wgSoftwareRevision;
 262         if ( $wgSoftwareRevision < 1001 ) {
 263                 update_passwords();
 264         }
 265 }
 266
 267 function update_passwords() {
 268         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 269
 270         global $wgDatabase;
 271         $fname = "Update script: update_passwords()";
 272         wfOut( "\nIt appears that you need to update the user passwords in your\n" .
 273           "database. If you have already done this (if you've run this update\n" .
 274           "script once before, for example), doing so again will make all your\n" .
 275           "user accounts inaccessible, so be sure you only do this once.\n" .
 276           "Update user passwords? (yes/no)" );
 277
 278         $resp = readconsole();
 279     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 280
 281         $sql = "SELECT user_id,user_password FROM user";
 282         $source = $wgDatabase->query( $sql, $fname );
 283
 284         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 285                 $id = $row->user_id;
 286                 $oldpass = $row->user_password;
 287                 $newpass = md5( "{$id}-{$oldpass}" );
 288
 289                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 290                   "WHERE user_id={$id}";
 291                 $wgDatabase->query( $sql, $fname );
 292         }
 293 }
 294
 295 function do_interwiki_update() {
 296         # Check that interwiki table exists; if it doesn't source it
 297         global $wgDatabase, $IP;
 298         if( $wgDatabase->tableExists( "interwiki" ) ) {
 299                 wfOut( "...already have interwiki table\n" );
 300                 return true;
 301         }
 302         wfOut( "Creating interwiki table: " );
 303         dbsource( archive("patch-interwiki.sql") );
 304         wfOut( "ok\n" );
 305         wfOut( "Adding default interwiki definitions: " );
 306         dbsource( "$IP/maintenance/interwiki.sql" );
 307         wfOut( "ok\n" );
 308 }
 309
 310 function do_index_update() {
 311         # Check that proper indexes are in place
 312         global $wgDatabase;
 313         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 314         if( !$meta->isMultipleKey() ) {
 315                 wfOut( "Updating indexes to 20031107: " );
 316                 dbsource( archive("patch-indexes.sql") );
 317                 wfOut( "ok\n" );
 318                 return true;
 319         }
 320         wfOut( "...indexes seem up to 20031107 standards\n" );
 321         return false;
 322 }
 323
 324 function do_image_index_update() {
 325         global $wgDatabase;
 326
 327         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 328         if( !$meta->isMultipleKey() ) {
 329                 wfOut( "Updating indexes to 20050912: " );
 330                 dbsource( archive("patch-mimesearch-indexes.sql") );
 331                 wfOut( "ok\n" );
 332                 return true;
 333         }
 334         wfOut( "...indexes seem up to 20050912 standards\n" );
 335         return false;
 336 }
 337
 338 function do_image_name_unique_update() {
 339         global $wgDatabase;
 340         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 341                 wfOut( "...image primary key already set.\n" );
 342         } else {
 343                 wfOut( "Making img_name the primary key... " );
 344                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 345                 wfOut( "ok\n" );
 346         }
 347 }
 348
 349 function do_logging_timestamp_index() {
 350         global $wgDatabase;
 351         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 352                 wfOut( "...timestamp key on logging already exists.\n" );
 353         } else {
 354                 wfOut( "Adding timestamp key on logging table... " );
 355                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 356                 wfOut( "ok\n" );
 357         }
 358 }
 359
 360 function do_archive_user_index() {
 361         global $wgDatabase;
 362         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 363                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 364         } else {
 365                 wfOut( "Adding usertext,timestamp key on archive table... " );
 366                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 367                 wfOut( "ok\n" );
 368         }
 369 }
 370
 371 function do_image_user_index() {
 372         global $wgDatabase;
 373         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 374                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 375         } else {
 376                 wfOut( "Adding usertext,timestamp key on image table... " );
 377                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 378                 wfOut( "ok\n" );
 379         }
 380 }
 381
 382 function do_oldimage_user_index() {
 383         global $wgDatabase;
 384         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 385                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 386         } else {
 387                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 388                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 389                 wfOut( "ok\n" );
 390         }
 391 }
 392
 393 function do_watchlist_update() {
 394         global $wgDatabase;
 395         $fname = 'do_watchlist_update';
 396         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 397                 wfOut( "The watchlist table is already set up for email notification.\n" );
 398         } else {
 399                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 400                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 401                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 402                 wfOut( "ok\n" );
 403         }
 404         # Check if we need to add talk page rows to the watchlist
 405         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 406         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 407         if ( $talk != $nontalk ) {
 408                 wfOut( "Adding missing watchlist talk page rows... " );
 409                 flush();
 410
 411                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 412                         array(
 413                                 'wl_user' => 'wl_user',
 414                                 'wl_namespace' => 'wl_namespace | 1',
 415                                 'wl_title' => 'wl_title',
 416                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 417                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 418                 wfOut( "ok\n" );
 419         } else {
 420                 wfOut( "...watchlist talk page rows already present\n" );
 421         }
 422 }
 423
 424 function do_copy_newtalk_to_watchlist() {
 425         global $wgDatabase;
 426         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 427
 428         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 429                 $wgDatabase->tableName( 'user_newtalk' ) );
 430         $num_newtalks=$wgDatabase->numRows($res);
 431         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 432
 433         $user = new User();
 434         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 435                 $wluser = $wgDatabase->fetchObject( $res );
 436                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 437                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 438                                 $wgDatabase->replace( 'watchlist',
 439                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 440                                           array('wl_user'                       => 0,
 441                                                 'wl_namespace'                  => NS_USER_TALK,
 442                                                 'wl_title'                      => $wluser->user_ip,
 443                                                 'wl_notificationtimestamp'      => '19700101000000'
 444                                                 ), 'updaters.inc::do_watchlist_update2'
 445                                         );
 446                         }
 447                 } else { # normal users ... have user_ids
 448                         $user->setID($wluser->user_id);
 449                         $wgDatabase->replace( 'watchlist',
 450                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 451                                   array('wl_user'                       => $user->getID(),
 452                                         'wl_namespace'                  => NS_USER_TALK,
 453                                         'wl_title'                      => $user->getName(),
 454                                         'wl_notificationtimestamp'      => '19700101000000'
 455                                         ), 'updaters.inc::do_watchlist_update3'
 456                                 );
 457                 }
 458         }
 459         wfOut( "Done.\n" );
 460 }
 461
 462
 463 function do_user_update() {
 464         global $wgDatabase;
 465         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 466                 wfOut( "User table contains old email authentication field. Dropping... " );
 467                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 468                 wfOut( "ok\n" );
 469         } else {
 470                 wfOut( "...user table does not contain old email authentication field.\n" );
 471         }
 472 }
 473
 474 /**
 475  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 476  * which causes a collation mismatch error on joins in MySQL 4.1.
 477  */
 478 function check_bin( $table, $field, $patchFile ) {
 479         global $wgDatabase, $wgDBtype;
 480         if ($wgDBtype != 'mysql')
 481                 return;
 482         $tableName = $wgDatabase->tableName( $table );
 483         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 484         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 485         $wgDatabase->freeResult( $res );
 486
 487         if( in_array( 'binary', $flags ) ) {
 488                 wfOut( "$table table has correct $field encoding.\n" );
 489         } else {
 490                 wfOut( "Fixing $field encoding on $table table... " );
 491                 dbsource( archive( $patchFile ), $wgDatabase );
 492                 wfOut( "ok\n" );
 493         }
 494 }
 495
 496 function do_schema_restructuring() {
 497         global $wgDatabase;
 498         $fname="do_schema_restructuring";
 499         if ( $wgDatabase->tableExists( 'page' ) ) {
 500                 wfOut( "...page table already exists.\n" );
 501         } else {
 502                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 503                 wfOut( wfTimestamp( TS_DB ) );
 504                 wfOut( "......checking for duplicate entries.\n" );
 505
 506                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 507
 508                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 509                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 510
 511                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 512                         wfOut( wfTimestamp( TS_DB ) );
 513                         wfOut( "......<b>Found duplicate entries</b>\n" );
 514                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 515                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 516                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 517                                         $duplicate[$row->cur_namespace] = array();
 518                                 }
 519                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 520                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 521                         }
 522                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 523                         $firstCond = true;
 524                         foreach ( $duplicate as $ns => $titles ) {
 525                                 if ( $firstCond ) {
 526                                         $firstCond = false;
 527                                 } else {
 528                                         $sql .= ' OR ';
 529                                 }
 530                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 531                                 $first = true;
 532                                 foreach ( $titles as $t ) {
 533                                         if ( $first ) {
 534                                                 $sql .= $wgDatabase->addQuotes( $t );
 535                                                 $first = false;
 536                                         } else {
 537                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 538                                         }
 539                                 }
 540                                 $sql .= ") ) \n";
 541                         }
 542                         # By sorting descending, the most recent entry will be the first in the list.
 543                         # All following entries will be deleted by the next while-loop.
 544                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 545
 546                         $rows = $wgDatabase->query( $sql, $fname );
 547
 548                         $prev_title = $prev_namespace = false;
 549                         $deleteId = array();
 550
 551                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 552                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 553                                         $deleteId[] = $row->cur_id;
 554                                 }
 555                                 $prev_title     = $row->cur_title;
 556                                 $prev_namespace = $row->cur_namespace;
 557                         }
 558                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 559                         $rows = $wgDatabase->query( $sql, $fname );
 560                         wfOut( wfTimestamp( TS_DB ) );
 561                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 562                 }
 563
 564
 565                 wfOut( wfTimestamp( TS_DB ) );
 566                 wfOut( "......Creating tables.\n" );
 567                 $wgDatabase->query("CREATE TABLE $page (
 568                         page_id int(8) unsigned NOT NULL auto_increment,
 569                         page_namespace int NOT NULL,
 570                         page_title varchar(255) binary NOT NULL,
 571                         page_restrictions tinyblob NOT NULL,
 572                         page_counter bigint(20) unsigned NOT NULL default '0',
 573                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 574                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 575                         page_random real unsigned NOT NULL,
 576                         page_touched char(14) binary NOT NULL default '',
 577                         page_latest int(8) unsigned NOT NULL,
 578                         page_len int(8) unsigned NOT NULL,
 579
 580                         PRIMARY KEY page_id (page_id),
 581                         UNIQUE INDEX name_title (page_namespace,page_title),
 582                         INDEX (page_random),
 583                         INDEX (page_len)
 584                         ) ENGINE=InnoDB", $fname );
 585                 $wgDatabase->query("CREATE TABLE $revision (
 586                         rev_id int(8) unsigned NOT NULL auto_increment,
 587                         rev_page int(8) unsigned NOT NULL,
 588                         rev_comment tinyblob NOT NULL,
 589                         rev_user int(5) unsigned NOT NULL default '0',
 590                         rev_user_text varchar(255) binary NOT NULL default '',
 591                         rev_timestamp char(14) binary NOT NULL default '',
 592                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 593                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 594                         rev_len int(8) unsigned,
 595                         rev_parent_id int(8) unsigned default NULL,
 596                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 597                         UNIQUE INDEX rev_id (rev_id),
 598                         INDEX rev_timestamp (rev_timestamp),
 599                         INDEX page_timestamp (rev_page,rev_timestamp),
 600                         INDEX user_timestamp (rev_user,rev_timestamp),
 601                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 602                         ) ENGINE=InnoDB", $fname );
 603
 604                 wfOut( wfTimestamp( TS_DB ) );
 605                 wfOut( "......Locking tables.\n" );
 606                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 607
 608                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 609                 wfOut( wfTimestamp( TS_DB ) );
 610                 wfOut( "......maxold is {$maxold}\n" );
 611
 612                 wfOut( wfTimestamp( TS_DB ) );
 613                 global $wgLegacySchemaConversion;
 614                 if( $wgLegacySchemaConversion ) {
 615                         // Create HistoryBlobCurStub entries.
 616                         // Text will be pulled from the leftover 'cur' table at runtime.
 617                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 618                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 619                         $cur_flags = "'object'";
 620                 } else {
 621                         // Copy all cur text in immediately: this may take longer but avoids
 622                         // having to keep an extra table around.
 623                         wfOut( "......Moving text from cur.\n" );
 624                         $cur_text = 'cur_text';
 625                         $cur_flags = "''";
 626                 }
 627                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 628                                 old_timestamp, old_minor_edit, old_flags)
 629                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 630                         FROM $cur", $fname );
 631
 632                 wfOut( wfTimestamp( TS_DB ) );
 633                 wfOut( "......Setting up revision table.\n" );
 634                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 635                                 rev_minor_edit)
 636                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 637                                 old_timestamp, old_minor_edit
 638                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 639
 640                 wfOut( wfTimestamp( TS_DB ) );
 641                 wfOut( "......Setting up page table.\n" );
 642                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 643                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 644                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 645                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 646                         FROM $cur,$revision
 647                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 648
 649                 wfOut( wfTimestamp( TS_DB ) );
 650                 wfOut( "......Unlocking tables.\n" );
 651                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 652
 653                 wfOut( wfTimestamp( TS_DB ) );
 654                 wfOut( "......Renaming old.\n" );
 655                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 656
 657                 wfOut( wfTimestamp( TS_DB ) );
 658                 wfOut( "...done.\n" );
 659         }
 660 }
 661
 662 function do_inverse_timestamp() {
 663         global $wgDatabase;
 664         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 665                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 666                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 667                 wfOut( "ok\n" );
 668         } else {
 669                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 670         }
 671 }
 672
 673 function do_text_id() {
 674         global $wgDatabase;
 675         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 676                 wfOut( "...rev_text_id already in place.\n" );
 677         } else {
 678                 wfOut( "Adding rev_text_id field... " );
 679                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 680                 wfOut( "ok\n" );
 681         }
 682 }
 683
 684 function do_namespace_size() {
 685         $tables = array(
 686                 'page'          => 'page',
 687                 'archive'       => 'ar',
 688                 'recentchanges' => 'rc',
 689                 'watchlist'     => 'wl',
 690                 'querycache'    => 'qc',
 691                 'logging'       => 'log',
 692         );
 693         foreach( $tables as $table => $prefix ) {
 694                 do_namespace_size_on( $table, $prefix );
 695                 flush();
 696         }
 697 }
 698
 699 function do_namespace_size_on( $table, $prefix ) {
 700         global $wgDatabase, $wgDBtype;
 701         if ($wgDBtype != 'mysql')
 702                 return;
 703         $field = $prefix . '_namespace';
 704
 705         $tablename = $wgDatabase->tableName( $table );
 706         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 707         $info = $wgDatabase->fetchObject( $result );
 708         $wgDatabase->freeResult( $result );
 709
 710         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 711                 wfOut( "...$field is already a full int ($info->Type).\n" );
 712         } else {
 713                 wfOut( "Promoting $field from $info->Type to int... " );
 714
 715                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 716                 $wgDatabase->query( $sql );
 717
 718                 wfOut( "ok\n" );
 719         }
 720 }
 721
 722 function do_pagelinks_update() {
 723         global $wgDatabase;
 724         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 725                 wfOut( "...already have pagelinks table.\n" );
 726         } else {
 727                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 728                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 729                 wfOut( "ok\n" );
 730                 flush();
 731
 732                 global $wgCanonicalNamespaceNames;
 733                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 734                         if( $ns != 0 ) {
 735                                 do_pagelinks_namespace( $ns );
 736                         }
 737                 }
 738         }
 739 }
 740
 741 function do_pagelinks_namespace( $namespace ) {
 742         global $wgDatabase, $wgContLang;
 743
 744         $ns = intval( $namespace );
 745         wfOut( "Cleaning up broken links for namespace $ns... " );
 746
 747         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 748         $name = $wgContLang->getNsText( $ns );
 749         $prefix = $wgDatabase->strencode( $name );
 750         $likeprefix = str_replace( '_', '\\_', $prefix);
 751
 752         $sql = "UPDATE $pagelinks
 753                    SET pl_namespace=$ns,
 754                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 755                  WHERE pl_namespace=0
 756                    AND pl_title LIKE '$likeprefix:%'";
 757
 758         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 759         wfOut( "ok\n" );
 760 }
 761
 762 function do_drop_img_type() {
 763         global $wgDatabase;
 764
 765         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 766                 wfOut( "Dropping unused img_type field in image table... " );
 767                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 768                 wfOut( "ok\n" );
 769         } else {
 770                 wfOut( "No img_type field in image table; Good.\n" );
 771         }
 772 }
 773
 774 function do_old_links_update() {
 775         global $wgDatabase;
 776         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 777                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 778         } else {
 779                 convertLinks(); flush();
 780         }
 781 }
 782
 783 function do_user_unique_update() {
 784         global $wgDatabase;
 785         $duper = new UserDupes( $wgDatabase );
 786         if( $duper->hasUniqueIndex() ) {
 787                 wfOut( "Already have unique user_name index.\n" );
 788         } else {
 789                 if( !$duper->clearDupes() ) {
 790                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 791                 }
 792                 wfOut( "Adding unique index on user_name... " );
 793                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 794                 wfOut( "ok\n" );
 795         }
 796 }
 797
 798 function do_user_groups_update() {
 799         $fname = 'do_user_groups_update';
 800         global $wgDatabase;
 801
 802         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 803                 wfOut( "...user_groups table already exists.\n" );
 804                 return do_user_groups_reformat();
 805         }
 806
 807         wfOut( "Adding user_groups table... " );
 808         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 809         wfOut( "ok\n" );
 810
 811         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 812                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 813                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 814                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 815                         wfOut( "ok\n" );
 816                 } else {
 817                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 818                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 819                         wfOut( "*** the user_groups table.\n" );
 820                         return;
 821                 }
 822         }
 823
 824         wfOut( "Converting user_rights table to user_groups... " );
 825         $result = $wgDatabase->select( 'user_rights',
 826                 array( 'ur_user', 'ur_rights' ),
 827                 array( "ur_rights != ''" ),
 828                 $fname );
 829
 830         while( $row = $wgDatabase->fetchObject( $result ) ) {
 831                 $groups = array_unique(
 832                         array_map( 'trim',
 833                                 explode( ',', $row->ur_rights ) ) );
 834
 835                 foreach( $groups as $group ) {
 836                         $wgDatabase->insert( 'user_groups',
 837                                 array(
 838                                         'ug_user'  => $row->ur_user,
 839                                         'ug_group' => $group ),
 840                                 $fname );
 841                 }
 842         }
 843         $wgDatabase->freeResult( $result );
 844         wfOut( "ok\n" );
 845 }
 846
 847 function do_user_groups_reformat() {
 848         # Check for bogus formats from previous 1.5 alpha code.
 849         global $wgDatabase;
 850         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 851
 852         if( $info->type() == 'int' ) {
 853                 $oldug = $wgDatabase->tableName( 'user_groups' );
 854                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 855                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 856                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 857                 wfOut( "ok\n" );
 858
 859                 wfOut( "Re-adding fresh user_groups table... " );
 860                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 861                 wfOut( "ok\n" );
 862
 863                 wfOut( "***\n" );
 864                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 865                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 866                 wfOut( "***\n" );
 867         } else {
 868                 wfOut( "...user_groups is in current format.\n" );
 869         }
 870
 871 }
 872
 873 function do_watchlist_null() {
 874         # Make sure wl_notificationtimestamp can be NULL,
 875         # and update old broken items.
 876         global $wgDatabase;
 877         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 878
 879         if( !$info->nullable() ) {
 880                 wfOut( "Making wl_notificationtimestamp nullable... " );
 881                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 882                 wfOut( "ok\n" );
 883         } else {
 884                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 885         }
 886
 887 }
 888
 889 /**
 890  * @bug 3946
 891  */
 892 function do_page_random_update() {
 893         global $wgDatabase;
 894
 895         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 896
 897         $page = $wgDatabase->tableName( 'page' );
 898         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 899         $rows = $wgDatabase->affectedRows();
 900
 901         wfOut( "changed $rows rows\n" );
 902 }
 903
 904 function do_templatelinks_update() {
 905         global $wgDatabase, $wgLoadBalancer;
 906         $fname = 'do_templatelinks_update';
 907
 908         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 909                 wfOut( "...templatelinks table already exists\n" );
 910                 return;
 911         }
 912         wfOut( "Creating templatelinks table...\n" );
 913         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 914         wfOut( "Populating...\n" );
 915         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 916                 // Slow, replication-friendly update
 917                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 918                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 919                 $count = 0;
 920                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 921                         $count = ($count + 1) % 100;
 922                         if ( $count == 0 ) {
 923                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 924                                         wfWaitForSlaves( 10 );
 925                                 } else {
 926                                         sleep( 1 );
 927                                 }
 928                         }
 929                         $wgDatabase->insert( 'templatelinks',
 930                                 array(
 931                                         'tl_from' => $row->pl_from,
 932                                         'tl_namespace' => $row->pl_namespace,
 933                                         'tl_title' => $row->pl_title,
 934                                 ), $fname
 935                         );
 936
 937                 }
 938                 $wgDatabase->freeResult( $res );
 939         } else {
 940                 // Fast update
 941                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 942                         array(
 943                                 'tl_from' => 'pl_from',
 944                                 'tl_namespace' => 'pl_namespace',
 945                                 'tl_title' => 'pl_title'
 946                         ), array(
 947                                 'pl_namespace' => 10
 948                         ), $fname
 949                 );
 950         }
 951         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 952 }
 953
 954 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 955 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 956 function do_rc_indices_update() {
 957         global $wgDatabase;
 958         wfOut( "Checking for additional recent changes indices...\n" );
 959
 960         $indexes = array(
 961                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 962                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 963         );
 964
 965         foreach( $indexes as $index => $patch ) {
 966                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 967                 if( !$info ) {
 968                         wfOut( "...index `{$index}` not found; adding..." );
 969                         dbsource( archive( $patch ) );
 970                         wfOut( "done.\n" );
 971                 } else {
 972                         wfOut( "...index `{$index}` seems ok.\n" );
 973                 }
 974         }
 975 }
 976
 977 function index_has_field($table, $index, $field) {
 978         global $wgDatabase;
 979         wfOut( "Checking if $table index $index includes field $field...\n" );
 980         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 981         if( $info ) {
 982                 foreach($info as $row) {
 983                         if($row->Column_name == $field) {
 984                                 wfOut( "...index $index on table $table seems to be ok\n" );
 985                                 return true;
 986                         }
 987                 }
 988         }
 989         wfOut( "...index $index on table $table has no field $field; adding\n" );
 990         return false;
 991 }
 992
 993 function do_backlinking_indices_update() {
 994         wfOut( "Checking for backlinking indices...\n" );
 995         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 996                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 997                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 998         {
 999                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
1000                 wfOut( "...backlinking indices updated\n" );
1001         }
1002 }
1003
1004 function do_categorylinks_indices_update() {
1005         wfOut( "Checking for categorylinks indices...\n" );
1006         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1007         {
1008                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
1009                 wfOut( "...categorylinks indices updated\n" );
1010         }
1011 }
1012
1013 function do_filearchive_indices_update() {
1014         global $wgDatabase;
1015         wfOut( "Checking filearchive indices...\n" );
1016         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1017         if ( !$info )
1018         {
1019                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1020                 wfOut( "...filearchive indices updated\n" );
1021         }
1022 }
1023
1024 function maybe_do_profiling_memory_update() {
1025         global $wgDatabase;
1026         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1027                 // Simply ignore
1028         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1029                 wfOut( "profiling table has pf_memory field.\n" );
1030         } else {
1031                 wfOut( "Adding pf_memory field to table profiling..." );
1032                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1033                 wfOut( "ok\n" );
1034         }
1035 }
1036
1037 function do_stats_init() {
1038         // Sometimes site_stats table is not properly populated.
1039         global $wgDatabase;
1040         wfOut( "Checking site_stats row..." );
1041         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1042         if( $row === false ) {
1043                 wfOut( "data is missing! rebuilding...\n" );
1044         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1045                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1046         } else {
1047                 wfOut( "ok.\n" );
1048                 return;
1049         }
1050
1051         global $IP;
1052         require_once "$IP/maintenance/initStats.inc";
1053         wfInitStats();
1054 }
1055
1056 function do_active_users_init() {
1057         global $wgDatabase;
1058         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1059         if( $activeUsers == -1 ) {
1060                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1061                         'COUNT( DISTINCT rc_user_text )',
1062                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1063                 );
1064                 $wgDatabase->update( 'site_stats',
1065                         array( 'ss_active_users' => intval($activeUsers) ),
1066                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1067                 );
1068         }
1069         wfOut( "...ss_active_users user count set...\n" );
1070 }
1071
1072 function purge_cache() {
1073         global $wgDatabase;
1074         # We can't guarantee that the user will be able to use TRUNCATE,
1075         # but we know that DELETE is available to us
1076         wfOut( "Purging caches..." );
1077         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1078         wfOut( "done.\n" );
1079 }
1080
1081 function do_all_updates( $shared = false, $purge = true ) {
1082         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1083
1084         wfRunHooks('LoadExtensionSchemaUpdates');
1085
1086         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1087
1088         if ($wgDBtype === 'postgres') {
1089                 do_postgres_updates();
1090                 return;
1091         }
1092
1093         # Run core updates in sequence...
1094         global $wgUpdates;
1095         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1096                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1097                         $func = array_shift( $params );
1098                         call_user_func_array( $func, $params );
1099                         flush();
1100                 }
1101         }
1102
1103         /// @fixme clean up this mess too!
1104         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1105         # Add missing extension tables
1106         foreach ( $wgExtNewTables as $tableRecord ) {
1107                 add_table( $tableRecord[0], $tableRecord[1], true );
1108                 flush();
1109         }
1110         # Add missing extension fields
1111         foreach ( $wgExtNewFields as $fieldRecord ) {
1112                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1113                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1114                 }
1115                 flush();
1116         }
1117         # Add missing extension indexes
1118         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1119                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1120                 flush();
1121         }
1122
1123
1124         wfOut( "Deleting old default messages (this may take a long time!)..." );
1125         deleteDefaultMessages();
1126         wfOut( "Done\n" );
1127
1128         do_stats_init();
1129
1130         if( $purge ) {
1131                 purge_cache();
1132         }
1133 }
1134
1135 function archive($name) {
1136         global $wgDBtype, $IP;
1137         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1138                 return "$IP/maintenance/$wgDBtype/archives/$name";
1139         } else {
1140                 return "$IP/maintenance/archives/$name";
1141         }
1142 }
1143
1144 function do_restrictions_update() {
1145         # Adding page_restrictions table, obsoleting page.page_restrictions.
1146         #  Migrating old restrictions to new table
1147         # -- Andrew Garrett, January 2007.
1148
1149         global $wgDatabase;
1150
1151         $name = 'page_restrictions';
1152         $patch = 'patch-page_restrictions.sql';
1153         $patch2 = 'patch-page_restrictions_sortkey.sql';
1154
1155         if ( $wgDatabase->tableExists( $name ) ) {
1156                 wfOut( "...$name table already exists.\n" );
1157         } else {
1158                 wfOut( "Creating $name table..." );
1159                 dbsource( archive($patch), $wgDatabase );
1160                 dbsource( archive($patch2), $wgDatabase );
1161                 wfOut( "ok\n" );
1162
1163                 wfOut( "Migrating old restrictions to new table..." );
1164
1165                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1166
1167                 $count = 0;
1168
1169                 while ($row = $wgDatabase->fetchObject($res) ) {
1170                         $count = ($count + 1) % 100;
1171
1172                         if ($count == 0) {
1173                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1174                                         wfWaitForSlaves( 10 );
1175                                 } else {
1176                                         sleep( 1 );
1177                                 }
1178                         }
1179
1180                         # Figure out what the restrictions are..
1181                         $id = $row->page_id;
1182                         $flatrestrictions = explode( ':', $row->page_restrictions );
1183
1184                         $restrictions = array ();
1185                         foreach( $flatrestrictions as $restriction ) {
1186                                 $thisrestriction = explode( '=', $restriction, 2 );
1187                                 if( count( $thisrestriction ) == 1 ) {
1188                                         // Compatibility with old protections from before
1189                                         // separate move protection was added.
1190                                         list( $level ) = $thisrestriction;
1191                                         if( $level ) {
1192                                                 $restrictions['edit'] = $level;
1193                                                 $restrictions['move'] = $level;
1194                                         }
1195                                 } else {
1196                                         list( $type, $level ) = $thisrestriction;
1197                                         if( $level ) {
1198                                                 $restrictions[$type] = $level;
1199                                         }
1200                                 }
1201
1202                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1203
1204                         }
1205
1206                         foreach( $restrictions as $type => $level ) {
1207                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1208                                                                                         'pr_type' => $type,
1209                                                                                         'pr_level' => $level,
1210                                                                                         'pr_cascade' => 0,
1211                                                                                         'pr_expiry' => 'infinity' ),
1212                                                                                         __METHOD__ );
1213                         }
1214                 }
1215                 wfOut( "ok\n" );
1216         }
1217 }
1218
1219 function do_category_population() {
1220         if( update_row_exists( 'populate category' ) ) {
1221                 wfOut( "...category table already populated.\n" );
1222                 return;
1223         }
1224         require_once( 'populateCategory.inc' );
1225         wfOut( "Populating category table, printing progress markers.  " ).
1226 "For large databases, you\n".
1227 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1228 "populateCategory.php.\n";
1229         populateCategory( '', 10, 0, true );
1230         wfOut( "Done populating category table.\n" );
1231 }
1232
1233 function do_populate_parent_id() {
1234         if( update_row_exists( 'populate rev_parent_id' ) ) {
1235                 wfOut( "...rev_parent_id column already populated.\n" );
1236                 return;
1237         }
1238         require_once( 'populateParentId.inc' );
1239
1240         global $wgDatabase;
1241         populate_rev_parent_id( $wgDatabase );
1242 }
1243
1244 function update_password_format() {
1245         if ( update_row_exists( 'password format' ) ) {
1246                 wfOut( "...password hash format already changed\n" );
1247                 return;
1248         }
1249
1250         wfOut( "Updating password hash format..." );
1251
1252         global $wgDatabase, $wgPasswordSalt;
1253         $user = $wgDatabase->tableName( 'user' );
1254         if ( $wgPasswordSalt ) {
1255                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1256                         "WHERE user_password NOT LIKE ':%'";
1257         } else {
1258                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1259                         "WHERE user_password NOT LIKE ':%'";
1260         }
1261         $wgDatabase->query( $sql, __METHOD__ );
1262         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1263
1264         wfOut( "done\n" );
1265 }
1266
1267 function sqlite_initial_indexes() {
1268         global $wgDatabase;
1269         if ( update_row_exists( 'initial_indexes' ) ) {
1270                 wfOut( "...have initial indexes\n" );
1271                 return;
1272         }
1273         wfOut( "Adding initial indexes..." );
1274         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1275         wfOut( "done\n" );
1276 }
1277
1278 function do_unique_pl_tl_il() {
1279         global $wgDatabase;
1280         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1281         if( is_array($info) && !$info[0]->Non_unique ) {
1282                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1283         } else {
1284                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1285                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1286                 wfOut( "ok\n" );
1287         }
1288 }
1289
1290 /***********************************************************************
1291  * Start PG crap
1292  * TODO: merge with above
1293  ***********************************************************************/
1294
1295 function
1296 pg_describe_table($table)
1297 {
1298 global  $wgDatabase, $wgDBmwschema;
1299         $q = <<<END
1300 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1301         WHERE pg_class.relnamespace = pg_namespace.oid
1302           AND attrelid=pg_class.oid AND attnum > 0
1303           AND relname=%s AND nspname=%s
1304 END;
1305         $res = $wgDatabase->query(sprintf($q,
1306                         $wgDatabase->addQuotes($table),
1307                         $wgDatabase->addQuotes($wgDBmwschema)));
1308         if (!$res)
1309                 return null;
1310
1311         $cols = array();
1312         while ($r = $wgDatabase->fetchRow($res)) {
1313                 $cols[] = array(
1314                                 "name" => $r[0],
1315                                 "ord" => $r[1],
1316                         );
1317         }
1318         return $cols;
1319 }
1320
1321 function
1322 pg_describe_index($idx)
1323 {
1324 global  $wgDatabase, $wgDBmwschema;
1325
1326         // first fetch the key (which is a list of columns ords) and
1327         // the table the index applies to (an oid)
1328         $q = <<<END
1329 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1330         WHERE nspname=%s
1331           AND pg_class.relnamespace = pg_namespace.oid
1332           AND relname=%s
1333           AND indexrelid=pg_class.oid
1334 END;
1335         $res = $wgDatabase->query(sprintf($q,
1336                         $wgDatabase->addQuotes($wgDBmwschema),
1337                         $wgDatabase->addQuotes($idx)));
1338         if (!$res)
1339                 return null;
1340         if (!($r = $wgDatabase->fetchRow($res))) {
1341                 $wgDatabase->freeResult($res);
1342                 return null;
1343         }
1344
1345         $indkey = $r[0];
1346         $relid = intval($r[1]);
1347         $indkeys = explode(" ", $indkey);
1348         $wgDatabase->freeResult($res);
1349
1350         $colnames = array();
1351         foreach ($indkeys as $rid) {
1352                 $query = <<<END
1353 SELECT attname FROM pg_class, pg_attribute
1354         WHERE attrelid=$relid
1355           AND attnum=%d
1356           AND attrelid=pg_class.oid
1357 END;
1358                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1359                 if (!$r2)
1360                         return null;
1361                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1362                         $wgDatabase->freeResult($r2);
1363                         return null;
1364                 }
1365                 $colnames[] = $row2[0];
1366                 $wgDatabase->freeResult($r2);
1367         }
1368
1369         return $colnames;
1370 }
1371
1372 function
1373 pg_index_exists($table, $index)
1374 {
1375 global  $wgDatabase, $wgDBmwschema;
1376         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1377                         array(  "indexname" => $index,
1378                                 "tablename" => $table,
1379                                 "schemaname" => $wgDBmwschema));
1380         return $exists === $index;
1381 }
1382
1383 function
1384 pg_fkey_deltype($fkey)
1385 {
1386 global  $wgDatabase, $wgDBmwschema;
1387         $q = <<<END
1388 SELECT confdeltype FROM pg_constraint, pg_namespace
1389         WHERE connamespace=pg_namespace.oid
1390           AND nspname=%s
1391           AND conname=%s;
1392 END;
1393         $r = $wgDatabase->query(sprintf($q,
1394                 $wgDatabase->addQuotes($wgDBmwschema),
1395                 $wgDatabase->addQuotes($fkey)));
1396         if (!($row = $wgDatabase->fetchRow($r)))
1397                 return null;
1398         return $row[0];
1399 }
1400
1401 function
1402 pg_rule_def($table, $rule)
1403 {
1404 global  $wgDatabase, $wgDBmwschema;
1405         $q = <<<END
1406 SELECT definition FROM pg_rules
1407         WHERE schemaname = %s
1408           AND tablename = %s
1409           AND rulename = %s
1410 END;
1411         $r = $wgDatabase->query(sprintf($q,
1412                         $wgDatabase->addQuotes($wgDBmwschema),
1413                         $wgDatabase->addQuotes($table),
1414                         $wgDatabase->addQuotes($rule)));
1415         $row = $wgDatabase->fetchRow($r);
1416         if (!$row)
1417                 return null;
1418         $d = $row[0];
1419         $wgDatabase->freeResult($r);
1420         return $d;
1421 }
1422
1423 function do_postgres_updates() {
1424         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1425
1426         ## Gather version numbers in case we need them
1427         $version = $wgDatabase->getServerVersion(); ## long string
1428         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1429
1430         $wgShowExceptionDetails = 1;
1431
1432         # Just in case their LocalSettings.php does not have this:
1433         if ( !isset( $wgDBmwschema ))
1434                 $wgDBmwschema = 'mediawiki';
1435
1436         # Verify that this user is configured correctly
1437         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1438         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1439         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1440         $conf = array();
1441         foreach( explode( '*', $config ) as $c ) {
1442                 list( $x,$y ) = explode( '=', $c );
1443                 $conf[$x] = $y;
1444         }
1445         if( !array_key_exists( 'search_path', $conf ) ) {
1446                 $search_path = '';
1447         }
1448         else {
1449                 $search_path = $conf['search_path'];
1450         }
1451         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1452                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1453                 $search_path = "$wgDBmwschema, $search_path";
1454         }
1455         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1456                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1457                 $search_path = "$search_path, $wgDBts2schema";
1458         }
1459         $search_path = str_replace( ', ,', ',', $search_path);
1460         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1461                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1462                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1463         }
1464         else {
1465                 $path = $conf['search_path'];
1466                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1467         }
1468         $goodconf = array(
1469                 'client_min_messages' => 'error',
1470                 'DateStyle'           => 'ISO, YMD',
1471                 'TimeZone'            => 'GMT'
1472         );
1473         foreach( array_keys( $goodconf ) AS $key ) {
1474                 $value = $goodconf[$key];
1475                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1476                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1477                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1478                         $wgDatabase->doQuery( "SET $key = '$value'" );
1479                 }
1480                 else {
1481                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1482                 }
1483         }
1484
1485         $newsequences = array(
1486                 "log_log_id_seq",
1487                 "pr_id_val",
1488         );
1489
1490         $newtables = array(
1491                 array("category",          "patch-category.sql"),
1492                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1493                 array("mwuser",            "patch-mwuser.sql"),
1494                 array("pagecontent",       "patch-pagecontent.sql"),
1495                 array("querycachetwo",     "patch-querycachetwo.sql"),
1496                 array("page_props",        "patch-page_props.sql"),
1497                 array("page_restrictions", "patch-page_restrictions.sql"),
1498                 array("profiling",         "patch-profiling.sql"),
1499                 array("protected_titles",  "patch-protected_titles.sql"),
1500                 array("redirect",          "patch-redirect.sql"),
1501                 array("updatelog",         "patch-updatelog.sql"),
1502                 array('change_tag',        'patch-change_tag.sql'),
1503                 array('tag_summary',        'patch-change_tag.sql'),
1504                 array('valid_tag',        'patch-change_tag.sql'),
1505         );
1506
1507         $newcols = array(
1508                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1509                 array("archive",       "ar_len",               "INTEGER"),
1510                 array("archive",       "ar_page_id",           "INTEGER"),
1511                 array("archive",       "ar_parent_id",         "INTEGER"),
1512                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1513                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1514                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1515                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1516                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1517                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1518                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1519                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1520                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1521                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1522                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1523                 array("logging",       "log_params",           "TEXT"),
1524                 array("mwuser",        "user_editcount",       "INTEGER"),
1525                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1526                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1527                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1528                 array("oldimage",      "oi_media_type",        "TEXT"),
1529                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1530                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1531                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1532                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1533                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1534                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1535                 array("recentchanges", "rc_log_action",        "TEXT"),
1536         array("recentchanges", "rc_log_type",          "TEXT"),
1537         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1538                 array("recentchanges", "rc_new_len",           "INTEGER"),
1539                 array("recentchanges", "rc_old_len",           "INTEGER"),
1540                 array("recentchanges", "rc_params",            "TEXT"),
1541                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1542                 array("revision",      "rev_len",              "INTEGER"),
1543                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1544                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1545                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1546         );
1547
1548
1549         # table, column, desired type, USING clause if needed (with new default if needed)
1550         $typechanges = array(
1551                 array("archive",      "ar_deleted",      "smallint", ""),
1552                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1553                 array("filearchive",  "fa_deleted",      "smallint", ""),
1554                 array("filearchive",  "fa_height",       "integer",  ""),
1555                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1556                 array("filearchive",  "fa_size",         "integer",  ""),
1557                 array("filearchive",  "fa_width",        "integer",  ""),
1558                 array("filearchive",  "fa_storage_group","text",     ""),
1559                 array("filearchive",  "fa_storage_key",  "text",     ""),
1560                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1561                 array("image",        "img_size",        "integer",  ""),
1562                 array("image",        "img_width",       "integer",  ""),
1563                 array("image",        "img_height",      "integer",  ""),
1564                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1565                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1566                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1567                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1568                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1569                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1570                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1571                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1572                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint"),
1573                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1574                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1575                 array("mwuser",       "user_token",      "text",     ""),
1576                 array("mwuser",       "user_email_token","text",     ""),
1577                 array("objectcache",  "keyname",         "text",     ""),
1578                 array("oldimage",     "oi_height",       "integer",  ""),
1579                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1580                 array("oldimage",     "oi_size",         "integer",  ""),
1581                 array("oldimage",     "oi_width",        "integer",  ""),
1582                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1583                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1584                 array("querycache",   "qc_value",        "integer",  ""),
1585                 array("querycachetwo","qcc_value",       "integer",  ""),
1586                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1587                 array("recentchanges","rc_deleted",      "smallint", ""),
1588                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1589                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1590                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1591                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1592                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1593                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1594                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1595                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1596         );
1597
1598         $newindexes = array(
1599                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1600                 array("image",         "img_sha1",           "(img_sha1)"),
1601                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1602                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1603                 array("recentchanges", "rc_timestamp_nobot", "(rc_timestamp) WHERE rc_bot = 0"),
1604                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1605                 array("watchlist",     "wl_user",            "(wl_user)"),
1606         );
1607
1608         $newrules = array(
1609         );
1610
1611         foreach ($newsequences as $ns) {
1612                 if ($wgDatabase->sequenceExists($ns)) {
1613                         wfOut( "... sequence \"$ns\" already exists\n" );
1614                         continue;
1615                 }
1616
1617                 wfOut( "Creating sequence \"$ns\"\n" );
1618                 $wgDatabase->query("CREATE SEQUENCE $ns");
1619         }
1620
1621         foreach ($newtables as $nt) {
1622                 if ($wgDatabase->tableExists($nt[0])) {
1623                         wfOut( "... table \"$nt[0]\" already exists\n" );
1624                         continue;
1625                 }
1626
1627                 wfOut( "Creating table \"$nt[0]\"\n" );
1628                 dbsource(archive($nt[1]));
1629         }
1630
1631         ## Needed before newcols
1632         if ($wgDatabase->tableExists("archive2")) {
1633                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1634                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1635                         wfOut( "Dropping rule \"archive_insert\"\n" );
1636                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1637                 }
1638                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1639                         wfOut( "Dropping rule \"archive_delete\"\n" );
1640                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1641                 }
1642                 dbsource(archive("patch-remove-archive2.sql"));
1643         }
1644         else
1645                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1646
1647         foreach ($newcols as $nc) {
1648                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1649                 if (!is_null($fi)) {
1650                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1651                         continue;
1652                 }
1653
1654                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1655                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1656         }
1657
1658         foreach ($typechanges as $tc) {
1659                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1660                 if (is_null($fi)) {
1661                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1662                         exit(1);
1663                 }
1664
1665                 if ($fi->type() === $tc[2])
1666                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1667                 else {
1668                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1669                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1670                         if (strlen($tc[3])) {
1671                                 $default = array();
1672                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1673                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1674                                         $wgDatabase->query($sqldef);
1675                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1676                                 }
1677                                 $sql .= " USING $tc[3]";
1678                         }
1679                         $sql .= ";\nCOMMIT;\n";
1680                         $wgDatabase->query($sql);
1681                 }
1682         }
1683
1684         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1685                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1686                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1687                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1688                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1689         }
1690         else
1691                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1692
1693
1694         foreach ($newindexes as $ni) {
1695                 if (pg_index_exists($ni[0], $ni[1])) {
1696                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1697                         continue;
1698                 }
1699                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1700                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1701         }
1702
1703         foreach ($newrules as $nr) {
1704                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1705                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1706                         continue;
1707                 }
1708                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1709                 dbsource(archive($nr[2]));
1710         }
1711
1712         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1713                 wfOut( "Making foriegn key on table \"oldimage\" (to image) a cascade delete\n" );
1714                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1715                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1716                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1717         }
1718         else
1719                 wfOut( "... table \"oldimage\" has correct cascade delete foreign key to image\n" );
1720
1721         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1722                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1723                 dbsource(archive('patch-page_deleted.sql'));
1724         }
1725         else
1726                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1727
1728         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1729         if (!$fi->nullable()) {
1730                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1731                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1732         }
1733         else
1734                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1735
1736         $pu = pg_describe_index("pagelink_unique");
1737         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1738                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1739                 $wgDatabase->query("DROP INDEX pagelink_unique");
1740                 $pu = null;
1741         }
1742         else
1743                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1744
1745         if (is_null($pu)) {
1746                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1747                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1748         }
1749         else
1750                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1751
1752         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1753                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1754         }
1755         else {
1756                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1757                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1758         }
1759
1760         # Fix ipb_address index
1761         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1762                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1763                 $wgDatabase->query('DROP INDEX ipb_address');
1764         }
1765         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1766                 wfOut( "... have ipb_address_unique\n" );
1767         }
1768         else {
1769                 wfOut( "Adding ipb_address_unique index\n" );
1770                 dbsource(archive('patch-ipb_address_unique.sql'));
1771         }
1772
1773         global $wgExtNewTables, $wgExtPGNewFields, $wgExtNewIndexes;
1774         # Add missing extension tables
1775         foreach ( $wgExtNewTables as $nt ) {
1776                 if ($wgDatabase->tableExists($nt[0])) {
1777                         wfOut( "... table \"$nt[0]\" already exists\n" );
1778                         continue;
1779                 }
1780                 wfOut( "Creating table \"$nt[0]\"\n" );
1781                 dbsource($nt[1]);
1782         }
1783         # Add missing extension fields
1784         foreach ( $wgExtPGNewFields as $nc ) {
1785                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1786                 if (!is_null($fi)) {
1787                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1788                         continue;
1789                 }
1790                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1791                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1792         }
1793         # Add missing extension indexes
1794         foreach ( $wgExtNewIndexes as $ni ) {
1795                 if (pg_index_exists($ni[0], $ni[1])) {
1796                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1797                         continue;
1798                 }
1799                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1800                 dbsource($ni[2]);
1801         }
1802
1803         # Tweak the page_title tsearch2 trigger to filter out slashes
1804         # This is create or replace, so harmless to call if not needed
1805         dbsource(archive('patch-ts2pagetitle.sql'));
1806
1807         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1808         ## in case they have the old 'default' versions
1809         if ( $numver >= 8.3 )
1810                 dbsource(archive('patch-tsearch2funcs.sql'));
1811
1812         ## Put a new row in the mediawiki_version table
1813         $wgDatabase->insert( 'mediawiki_version',
1814                 array(
1815                         'type' => 'Update',
1816                         'ctype' => 'U',
1817                         'mw_version' => $wgVersion,
1818                         'pg_version' => $version,
1819                         'sql_version' => '$LastChangedRevision$',
1820                         'sql_date' => '$LastChangedDate$',
1821                 ) );
1822         return;
1823 }