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( 'fix_ancient_imagelinks' ),
  42                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  43
  44                 // 1.4
  45                 array( 'do_image_name_unique_update' ),
  46                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  47                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  48                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  49                 // do_user_rights_update obsolete
  50                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  51                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  52                 // user_groups, patch-userlevels.sql obsolete
  53                 // do_group_update() obsolete
  54                 array( 'do_watchlist_update' ),
  55                 array( 'do_user_update' ),
  56                 // do_copy_newtalk_to_watchlist obsolete
  57
  58                 // 1.5
  59                 array( 'do_schema_restructuring' ),
  60                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  61                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  62                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  63                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  64                 array( 'do_inverse_timestamp' ),
  65                 array( 'do_text_id' ),
  66                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  67                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  68                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  69                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  70                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  71                 array( 'do_namespace_size' ),
  72                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  73                 array( 'do_pagelinks_update' ),
  74                 array( 'do_drop_img_type' ),
  75                 array( 'do_user_unique_update' ),
  76                 array( 'do_user_groups_update' ),
  77                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  78                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  79                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  80                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  81                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  82
  83                 // 1.6
  84                 array( 'do_watchlist_null' ),
  85                 // do_image_index_update obsolete
  86                 array( 'do_logging_timestamp_index' ),
  87                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  88                 array( 'do_page_random_update' ),
  89                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  90                 array( 'do_templatelinks_update' ),
  91                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  92                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  93                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  94                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  95                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  96                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  97                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  98                 array( 'do_rc_indices_update' ),
  99
 100                 // 1.9
 101                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 102                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 103                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 104                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 105                 array( 'do_backlinking_indices_update' ),
 106                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 107                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 108
 109                 // 1.10
 110                 array( 'do_restrictions_update' ),
 111                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 112                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 113                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 114                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 115                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 116                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 117                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 118                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 119                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 120                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 121
 122                 // 1.11
 123                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 124                 array( 'do_categorylinks_indices_update' ),
 125                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 126                 array( 'do_archive_user_index' ),
 127                 array( 'do_image_user_index' ),
 128                 array( 'do_oldimage_user_index' ),
 129                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 130                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 131
 132                 // 1.12
 133                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 134
 135                 // 1.13
 136                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 137                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 138                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 139                 array( 'add_table', 'category',                          'patch-category.sql' ),
 140                 array( 'do_category_population' ),
 141                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 142                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 143                 array( 'do_populate_parent_id' ),
 144                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 145                 array( 'maybe_do_profiling_memory_update' ),
 146                 array( 'do_filearchive_indices_update' ),
 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                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 159                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 160                 array( 'do_log_search_population' ),
 161         ),
 162
 163         'sqlite' => array(
 164                 // 1.14
 165                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 166                 array( 'do_active_users_init' ),
 167                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 168                 array( 'sqlite_initial_indexes' ),
 169
 170                 // 1.15
 171                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 172                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 173                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 174                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 175                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 176                 array( 'do_log_search_population' ),
 177                 array( 'add_field', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
 178         ),
 179 );
 180
 181
 182 # For extensions only, should be populated via hooks
 183 # $wgDBtype should be checked to specifiy the proper file
 184 $wgExtNewTables = array(); // table, dir
 185 $wgExtNewFields = array(); // table, column, dir
 186 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 187 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 188 $wgExtNewIndexes = array(); // table, index, dir
 189
 190 # Helper function: check if the given key is present in the updatelog table.
 191 # Obviously, only use this for updates that occur after the updatelog table was
 192 # created!
 193 function update_row_exists( $key ) {
 194         $dbr = wfGetDB( DB_SLAVE );
 195         $row = $dbr->selectRow(
 196                 'updatelog',
 197                 '1',
 198                 array( 'ul_key' => $key ),
 199                 __FUNCTION__
 200         );
 201         return (bool)$row;
 202 }
 203
 204 function rename_table( $from, $to, $patch ) {
 205         global $wgDatabase;
 206         if ( $wgDatabase->tableExists( $from ) ) {
 207                 if ( $wgDatabase->tableExists( $to ) ) {
 208                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 209                 } else {
 210                         wfOut( "Moving table $from to $to..." );
 211                         dbsource( archive($patch), $wgDatabase );
 212                         wfOut( "ok\n" );
 213                 }
 214         } else {
 215                 // Source table does not exist
 216                 // Renames are done before creations, so this is typical for a new installation
 217                 // Ignore silently
 218         }
 219 }
 220
 221 function add_table( $name, $patch, $fullpath=false ) {
 222         global $wgDatabase;
 223         if ( $wgDatabase->tableExists( $name ) ) {
 224                 wfOut( "...$name table already exists.\n" );
 225         } else {
 226                 wfOut( "Creating $name table..." );
 227                 if( $fullpath ) {
 228                         dbsource( $patch, $wgDatabase );
 229                 } else {
 230                         dbsource( archive($patch), $wgDatabase );
 231                 }
 232                 wfOut( "ok\n" );
 233         }
 234 }
 235
 236 function add_field( $table, $field, $patch, $fullpath=false ) {
 237         global $wgDatabase;
 238         if ( !$wgDatabase->tableExists( $table ) ) {
 239                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 240         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 241                 wfOut( "...have $field field in $table table.\n" );
 242         } else {
 243                 wfOut( "Adding $field field to table $table..." );
 244                 if( $fullpath ) {
 245                         dbsource( $patch, $wgDatabase );
 246                 } else {
 247                         dbsource( archive($patch), $wgDatabase );
 248                 }
 249                 wfOut( "ok\n" );
 250         }
 251 }
 252
 253 function add_index( $table, $index, $patch, $fullpath=false ) {
 254         global $wgDatabase;
 255         if( $wgDatabase->indexExists( $table, $index ) ) {
 256                 wfOut( "...$index key already set on $table table.\n" );
 257         } else {
 258                 wfOut( "Adding $index key to table $table... " );
 259                 if( $fullpath ) {
 260                         dbsource( $patch, $wgDatabase );
 261                 } else {
 262                         dbsource( archive($patch), $wgDatabase );
 263                 }
 264                 wfOut( "ok\n" );
 265         }
 266 }
 267
 268 function do_interwiki_update() {
 269         # Check that interwiki table exists; if it doesn't source it
 270         global $wgDatabase, $IP;
 271         if( $wgDatabase->tableExists( "interwiki" ) ) {
 272                 wfOut( "...already have interwiki table\n" );
 273                 return true;
 274         }
 275         wfOut( "Creating interwiki table: " );
 276         dbsource( archive("patch-interwiki.sql") );
 277         wfOut( "ok\n" );
 278         wfOut( "Adding default interwiki definitions: " );
 279         dbsource( "$IP/maintenance/interwiki.sql" );
 280         wfOut( "ok\n" );
 281 }
 282
 283 function do_index_update() {
 284         # Check that proper indexes are in place
 285         global $wgDatabase;
 286         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 287         if( !$meta->isMultipleKey() ) {
 288                 wfOut( "Updating indexes to 20031107: " );
 289                 dbsource( archive("patch-indexes.sql") );
 290                 wfOut( "ok\n" );
 291                 return true;
 292         }
 293         wfOut( "...indexes seem up to 20031107 standards\n" );
 294         return false;
 295 }
 296
 297 function do_image_index_update() {
 298         global $wgDatabase;
 299
 300         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 301         if( !$meta->isMultipleKey() ) {
 302                 wfOut( "Updating indexes to 20050912: " );
 303                 dbsource( archive("patch-mimesearch-indexes.sql") );
 304                 wfOut( "ok\n" );
 305                 return true;
 306         }
 307         wfOut( "...indexes seem up to 20050912 standards\n" );
 308         return false;
 309 }
 310
 311 function do_image_name_unique_update() {
 312         global $wgDatabase;
 313         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 314                 wfOut( "...image primary key already set.\n" );
 315         } else {
 316                 wfOut( "Making img_name the primary key... " );
 317                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 318                 wfOut( "ok\n" );
 319         }
 320 }
 321
 322 function do_logging_timestamp_index() {
 323         global $wgDatabase;
 324         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 325                 wfOut( "...timestamp key on logging already exists.\n" );
 326         } else {
 327                 wfOut( "Adding timestamp key on logging table... " );
 328                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 329                 wfOut( "ok\n" );
 330         }
 331 }
 332
 333 function do_archive_user_index() {
 334         global $wgDatabase;
 335         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 336                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 337         } else {
 338                 wfOut( "Adding usertext,timestamp key on archive table... " );
 339                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 340                 wfOut( "ok\n" );
 341         }
 342 }
 343
 344 function do_image_user_index() {
 345         global $wgDatabase;
 346         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 347                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 348         } else {
 349                 wfOut( "Adding usertext,timestamp key on image table... " );
 350                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 351                 wfOut( "ok\n" );
 352         }
 353 }
 354
 355 function do_oldimage_user_index() {
 356         global $wgDatabase;
 357         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 358                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 359         } else {
 360                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 361                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 362                 wfOut( "ok\n" );
 363         }
 364 }
 365
 366 function do_watchlist_update() {
 367         global $wgDatabase;
 368         $fname = 'do_watchlist_update';
 369         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 370                 wfOut( "The watchlist table is already set up for email notification.\n" );
 371         } else {
 372                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 373                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 374                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 375                 wfOut( "ok\n" );
 376         }
 377         # Check if we need to add talk page rows to the watchlist
 378         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 379         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 380         if ( $talk != $nontalk ) {
 381                 wfOut( "Adding missing watchlist talk page rows... " );
 382                 flush();
 383
 384                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 385                         array(
 386                                 'wl_user' => 'wl_user',
 387                                 'wl_namespace' => 'wl_namespace | 1',
 388                                 'wl_title' => 'wl_title',
 389                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 390                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 391                 wfOut( "ok\n" );
 392         } else {
 393                 wfOut( "...watchlist talk page rows already present\n" );
 394         }
 395 }
 396
 397 function do_copy_newtalk_to_watchlist() {
 398         global $wgDatabase;
 399         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 400
 401         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 402                 $wgDatabase->tableName( 'user_newtalk' ) );
 403         $num_newtalks=$wgDatabase->numRows($res);
 404         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 405
 406         $user = new User();
 407         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 408                 $wluser = $wgDatabase->fetchObject( $res );
 409                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 410                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 411                                 $wgDatabase->replace( 'watchlist',
 412                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 413                                           array('wl_user'                       => 0,
 414                                                 'wl_namespace'                  => NS_USER_TALK,
 415                                                 'wl_title'                      => $wluser->user_ip,
 416                                                 'wl_notificationtimestamp'      => '19700101000000'
 417                                                 ), 'updaters.inc::do_watchlist_update2'
 418                                         );
 419                         }
 420                 } else { # normal users ... have user_ids
 421                         $user->setID($wluser->user_id);
 422                         $wgDatabase->replace( 'watchlist',
 423                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 424                                   array('wl_user'                       => $user->getID(),
 425                                         'wl_namespace'                  => NS_USER_TALK,
 426                                         'wl_title'                      => $user->getName(),
 427                                         'wl_notificationtimestamp'      => '19700101000000'
 428                                         ), 'updaters.inc::do_watchlist_update3'
 429                                 );
 430                 }
 431         }
 432         wfOut( "Done.\n" );
 433 }
 434
 435
 436 function do_user_update() {
 437         global $wgDatabase;
 438         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 439                 wfOut( "User table contains old email authentication field. Dropping... " );
 440                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 441                 wfOut( "ok\n" );
 442         } else {
 443                 wfOut( "...user table does not contain old email authentication field.\n" );
 444         }
 445 }
 446
 447 /**
 448  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 449  * which causes a collation mismatch error on joins in MySQL 4.1.
 450  */
 451 function check_bin( $table, $field, $patchFile ) {
 452         global $wgDatabase, $wgDBtype;
 453         if ($wgDBtype != 'mysql')
 454                 return;
 455         $tableName = $wgDatabase->tableName( $table );
 456         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 457         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 458         $wgDatabase->freeResult( $res );
 459
 460         if( in_array( 'binary', $flags ) ) {
 461                 wfOut( "$table table has correct $field encoding.\n" );
 462         } else {
 463                 wfOut( "Fixing $field encoding on $table table... " );
 464                 dbsource( archive( $patchFile ), $wgDatabase );
 465                 wfOut( "ok\n" );
 466         }
 467 }
 468
 469 function do_schema_restructuring() {
 470         global $wgDatabase;
 471         $fname="do_schema_restructuring";
 472         if ( $wgDatabase->tableExists( 'page' ) ) {
 473                 wfOut( "...page table already exists.\n" );
 474         } else {
 475                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 476                 wfOut( wfTimestamp( TS_DB ) );
 477                 wfOut( "......checking for duplicate entries.\n" );
 478
 479                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 480
 481                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 482                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 483
 484                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 485                         wfOut( wfTimestamp( TS_DB ) );
 486                         wfOut( "......<b>Found duplicate entries</b>\n" );
 487                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 488                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 489                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 490                                         $duplicate[$row->cur_namespace] = array();
 491                                 }
 492                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 493                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 494                         }
 495                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 496                         $firstCond = true;
 497                         foreach ( $duplicate as $ns => $titles ) {
 498                                 if ( $firstCond ) {
 499                                         $firstCond = false;
 500                                 } else {
 501                                         $sql .= ' OR ';
 502                                 }
 503                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 504                                 $first = true;
 505                                 foreach ( $titles as $t ) {
 506                                         if ( $first ) {
 507                                                 $sql .= $wgDatabase->addQuotes( $t );
 508                                                 $first = false;
 509                                         } else {
 510                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 511                                         }
 512                                 }
 513                                 $sql .= ") ) \n";
 514                         }
 515                         # By sorting descending, the most recent entry will be the first in the list.
 516                         # All following entries will be deleted by the next while-loop.
 517                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 518
 519                         $rows = $wgDatabase->query( $sql, $fname );
 520
 521                         $prev_title = $prev_namespace = false;
 522                         $deleteId = array();
 523
 524                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 525                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 526                                         $deleteId[] = $row->cur_id;
 527                                 }
 528                                 $prev_title     = $row->cur_title;
 529                                 $prev_namespace = $row->cur_namespace;
 530                         }
 531                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 532                         $rows = $wgDatabase->query( $sql, $fname );
 533                         wfOut( wfTimestamp( TS_DB ) );
 534                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 535                 }
 536
 537
 538                 wfOut( wfTimestamp( TS_DB ) );
 539                 wfOut( "......Creating tables.\n" );
 540                 $wgDatabase->query("CREATE TABLE $page (
 541                         page_id int(8) unsigned NOT NULL auto_increment,
 542                         page_namespace int NOT NULL,
 543                         page_title varchar(255) binary NOT NULL,
 544                         page_restrictions tinyblob NOT NULL,
 545                         page_counter bigint(20) unsigned NOT NULL default '0',
 546                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 547                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 548                         page_random real unsigned NOT NULL,
 549                         page_touched char(14) binary NOT NULL default '',
 550                         page_latest int(8) unsigned NOT NULL,
 551                         page_len int(8) unsigned NOT NULL,
 552
 553                         PRIMARY KEY page_id (page_id),
 554                         UNIQUE INDEX name_title (page_namespace,page_title),
 555                         INDEX (page_random),
 556                         INDEX (page_len)
 557                         ) ENGINE=InnoDB", $fname );
 558                 $wgDatabase->query("CREATE TABLE $revision (
 559                         rev_id int(8) unsigned NOT NULL auto_increment,
 560                         rev_page int(8) unsigned NOT NULL,
 561                         rev_comment tinyblob NOT NULL,
 562                         rev_user int(5) unsigned NOT NULL default '0',
 563                         rev_user_text varchar(255) binary NOT NULL default '',
 564                         rev_timestamp char(14) binary NOT NULL default '',
 565                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 566                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 567                         rev_len int(8) unsigned,
 568                         rev_parent_id int(8) unsigned default NULL,
 569                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 570                         UNIQUE INDEX rev_id (rev_id),
 571                         INDEX rev_timestamp (rev_timestamp),
 572                         INDEX page_timestamp (rev_page,rev_timestamp),
 573                         INDEX user_timestamp (rev_user,rev_timestamp),
 574                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 575                         ) ENGINE=InnoDB", $fname );
 576
 577                 wfOut( wfTimestamp( TS_DB ) );
 578                 wfOut( "......Locking tables.\n" );
 579                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 580
 581                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 582                 wfOut( wfTimestamp( TS_DB ) );
 583                 wfOut( "......maxold is {$maxold}\n" );
 584
 585                 wfOut( wfTimestamp( TS_DB ) );
 586                 global $wgLegacySchemaConversion;
 587                 if( $wgLegacySchemaConversion ) {
 588                         // Create HistoryBlobCurStub entries.
 589                         // Text will be pulled from the leftover 'cur' table at runtime.
 590                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 591                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 592                         $cur_flags = "'object'";
 593                 } else {
 594                         // Copy all cur text in immediately: this may take longer but avoids
 595                         // having to keep an extra table around.
 596                         wfOut( "......Moving text from cur.\n" );
 597                         $cur_text = 'cur_text';
 598                         $cur_flags = "''";
 599                 }
 600                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 601                                 old_timestamp, old_minor_edit, old_flags)
 602                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 603                         FROM $cur", $fname );
 604
 605                 wfOut( wfTimestamp( TS_DB ) );
 606                 wfOut( "......Setting up revision table.\n" );
 607                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 608                                 rev_minor_edit)
 609                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 610                                 old_timestamp, old_minor_edit
 611                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 612
 613                 wfOut( wfTimestamp( TS_DB ) );
 614                 wfOut( "......Setting up page table.\n" );
 615                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 616                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 617                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 618                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 619                         FROM $cur,$revision
 620                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 621
 622                 wfOut( wfTimestamp( TS_DB ) );
 623                 wfOut( "......Unlocking tables.\n" );
 624                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 625
 626                 wfOut( wfTimestamp( TS_DB ) );
 627                 wfOut( "......Renaming old.\n" );
 628                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 629
 630                 wfOut( wfTimestamp( TS_DB ) );
 631                 wfOut( "...done.\n" );
 632         }
 633 }
 634
 635 function do_inverse_timestamp() {
 636         global $wgDatabase;
 637         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 638                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 639                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 640                 wfOut( "ok\n" );
 641         } else {
 642                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 643         }
 644 }
 645
 646 function do_text_id() {
 647         global $wgDatabase;
 648         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 649                 wfOut( "...rev_text_id already in place.\n" );
 650         } else {
 651                 wfOut( "Adding rev_text_id field... " );
 652                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 653                 wfOut( "ok\n" );
 654         }
 655 }
 656
 657 function do_namespace_size() {
 658         $tables = array(
 659                 'page'          => 'page',
 660                 'archive'       => 'ar',
 661                 'recentchanges' => 'rc',
 662                 'watchlist'     => 'wl',
 663                 'querycache'    => 'qc',
 664                 'logging'       => 'log',
 665         );
 666         foreach( $tables as $table => $prefix ) {
 667                 do_namespace_size_on( $table, $prefix );
 668                 flush();
 669         }
 670 }
 671
 672 function do_namespace_size_on( $table, $prefix ) {
 673         global $wgDatabase, $wgDBtype;
 674         if ($wgDBtype != 'mysql')
 675                 return;
 676         $field = $prefix . '_namespace';
 677
 678         $tablename = $wgDatabase->tableName( $table );
 679         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 680         $info = $wgDatabase->fetchObject( $result );
 681         $wgDatabase->freeResult( $result );
 682
 683         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 684                 wfOut( "...$field is already a full int ($info->Type).\n" );
 685         } else {
 686                 wfOut( "Promoting $field from $info->Type to int... " );
 687
 688                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 689                 $wgDatabase->query( $sql );
 690
 691                 wfOut( "ok\n" );
 692         }
 693 }
 694
 695 function do_pagelinks_update() {
 696         global $wgDatabase;
 697         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 698                 wfOut( "...already have pagelinks table.\n" );
 699         } else {
 700                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 701                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 702                 wfOut( "ok\n" );
 703                 flush();
 704
 705                 global $wgCanonicalNamespaceNames;
 706                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 707                         if( $ns != 0 ) {
 708                                 do_pagelinks_namespace( $ns );
 709                         }
 710                 }
 711         }
 712 }
 713
 714 function do_pagelinks_namespace( $namespace ) {
 715         global $wgDatabase, $wgContLang;
 716
 717         $ns = intval( $namespace );
 718         wfOut( "Cleaning up broken links for namespace $ns... " );
 719
 720         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 721         $name = $wgContLang->getNsText( $ns );
 722         $prefix = $wgDatabase->strencode( $name );
 723         $likeprefix = str_replace( '_', '\\_', $prefix);
 724
 725         $sql = "UPDATE $pagelinks
 726                    SET pl_namespace=$ns,
 727                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 728                  WHERE pl_namespace=0
 729                    AND pl_title LIKE '$likeprefix:%'";
 730
 731         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 732         wfOut( "ok\n" );
 733 }
 734
 735 function do_drop_img_type() {
 736         global $wgDatabase;
 737
 738         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 739                 wfOut( "Dropping unused img_type field in image table... " );
 740                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 741                 wfOut( "ok\n" );
 742         } else {
 743                 wfOut( "No img_type field in image table; Good.\n" );
 744         }
 745 }
 746
 747 function do_old_links_update() {
 748         global $wgDatabase;
 749         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 750                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 751         } else {
 752                 convertLinks(); flush();
 753         }
 754 }
 755
 756 function fix_ancient_imagelinks() {
 757         global $wgDatabase;
 758         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 759         if ( $info && $info->type() === 'string' ) {
 760                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 761                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 762                 dbsource( archive( 'patch-fix-il_from.sql' ) );
 763                 wfOut( "ok\n" );
 764         } else {
 765                 wfOut( "...il_from OK\n" );
 766         }
 767 }
 768
 769 function do_user_unique_update() {
 770         global $wgDatabase;
 771         $duper = new UserDupes( $wgDatabase );
 772         if( $duper->hasUniqueIndex() ) {
 773                 wfOut( "Already have unique user_name index.\n" );
 774         } else {
 775                 if( !$duper->clearDupes() ) {
 776                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 777                 }
 778                 wfOut( "Adding unique index on user_name... " );
 779                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 780                 wfOut( "ok\n" );
 781         }
 782 }
 783
 784 function do_user_groups_update() {
 785         $fname = 'do_user_groups_update';
 786         global $wgDatabase;
 787
 788         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 789                 wfOut( "...user_groups table already exists.\n" );
 790                 return do_user_groups_reformat();
 791         }
 792
 793         wfOut( "Adding user_groups table... " );
 794         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 795         wfOut( "ok\n" );
 796
 797         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 798                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 799                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 800                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 801                         wfOut( "ok\n" );
 802                 } else {
 803                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 804                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 805                         wfOut( "*** the user_groups table.\n" );
 806                         return;
 807                 }
 808         }
 809
 810         wfOut( "Converting user_rights table to user_groups... " );
 811         $result = $wgDatabase->select( 'user_rights',
 812                 array( 'ur_user', 'ur_rights' ),
 813                 array( "ur_rights != ''" ),
 814                 $fname );
 815
 816         while( $row = $wgDatabase->fetchObject( $result ) ) {
 817                 $groups = array_unique(
 818                         array_map( 'trim',
 819                                 explode( ',', $row->ur_rights ) ) );
 820
 821                 foreach( $groups as $group ) {
 822                         $wgDatabase->insert( 'user_groups',
 823                                 array(
 824                                         'ug_user'  => $row->ur_user,
 825                                         'ug_group' => $group ),
 826                                 $fname );
 827                 }
 828         }
 829         $wgDatabase->freeResult( $result );
 830         wfOut( "ok\n" );
 831 }
 832
 833 function do_user_groups_reformat() {
 834         # Check for bogus formats from previous 1.5 alpha code.
 835         global $wgDatabase;
 836         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 837
 838         if( $info->type() == 'int' ) {
 839                 $oldug = $wgDatabase->tableName( 'user_groups' );
 840                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 841                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 842                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 843                 wfOut( "ok\n" );
 844
 845                 wfOut( "Re-adding fresh user_groups table... " );
 846                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 847                 wfOut( "ok\n" );
 848
 849                 wfOut( "***\n" );
 850                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 851                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 852                 wfOut( "***\n" );
 853         } else {
 854                 wfOut( "...user_groups is in current format.\n" );
 855         }
 856
 857 }
 858
 859 function do_watchlist_null() {
 860         # Make sure wl_notificationtimestamp can be NULL,
 861         # and update old broken items.
 862         global $wgDatabase;
 863         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 864
 865         if( !$info->nullable() ) {
 866                 wfOut( "Making wl_notificationtimestamp nullable... " );
 867                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 868                 wfOut( "ok\n" );
 869         } else {
 870                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 871         }
 872
 873 }
 874
 875 /**
 876  * @bug 3946
 877  */
 878 function do_page_random_update() {
 879         global $wgDatabase;
 880
 881         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 882
 883         $page = $wgDatabase->tableName( 'page' );
 884         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 885         $rows = $wgDatabase->affectedRows();
 886
 887         wfOut( "changed $rows rows\n" );
 888 }
 889
 890 function do_templatelinks_update() {
 891         global $wgDatabase, $wgLoadBalancer;
 892         $fname = 'do_templatelinks_update';
 893
 894         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 895                 wfOut( "...templatelinks table already exists\n" );
 896                 return;
 897         }
 898         wfOut( "Creating templatelinks table...\n" );
 899         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 900         wfOut( "Populating...\n" );
 901         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 902                 // Slow, replication-friendly update
 903                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 904                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 905                 $count = 0;
 906                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 907                         $count = ($count + 1) % 100;
 908                         if ( $count == 0 ) {
 909                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 910                                         wfWaitForSlaves( 10 );
 911                                 } else {
 912                                         sleep( 1 );
 913                                 }
 914                         }
 915                         $wgDatabase->insert( 'templatelinks',
 916                                 array(
 917                                         'tl_from' => $row->pl_from,
 918                                         'tl_namespace' => $row->pl_namespace,
 919                                         'tl_title' => $row->pl_title,
 920                                 ), $fname
 921                         );
 922
 923                 }
 924                 $wgDatabase->freeResult( $res );
 925         } else {
 926                 // Fast update
 927                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 928                         array(
 929                                 'tl_from' => 'pl_from',
 930                                 'tl_namespace' => 'pl_namespace',
 931                                 'tl_title' => 'pl_title'
 932                         ), array(
 933                                 'pl_namespace' => 10
 934                         ), $fname
 935                 );
 936         }
 937         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 938 }
 939
 940 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 941 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 942 function do_rc_indices_update() {
 943         global $wgDatabase;
 944         wfOut( "Checking for additional recent changes indices...\n" );
 945
 946         $indexes = array(
 947                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 948                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 949         );
 950
 951         foreach( $indexes as $index => $patch ) {
 952                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 953                 if( !$info ) {
 954                         wfOut( "...index `{$index}` not found; adding..." );
 955                         dbsource( archive( $patch ) );
 956                         wfOut( "done.\n" );
 957                 } else {
 958                         wfOut( "...index `{$index}` seems ok.\n" );
 959                 }
 960         }
 961 }
 962
 963 function index_has_field($table, $index, $field) {
 964         global $wgDatabase;
 965         wfOut( "Checking if $table index $index includes field $field...\n" );
 966         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 967         if( $info ) {
 968                 foreach($info as $row) {
 969                         if($row->Column_name == $field) {
 970                                 wfOut( "...index $index on table $table seems to be ok\n" );
 971                                 return true;
 972                         }
 973                 }
 974         }
 975         wfOut( "...index $index on table $table has no field $field; adding\n" );
 976         return false;
 977 }
 978
 979 function do_backlinking_indices_update() {
 980         wfOut( "Checking for backlinking indices...\n" );
 981         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 982                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
 983                 !index_has_field('imagelinks', 'il_to', 'il_from'))
 984         {
 985                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
 986                 wfOut( "...backlinking indices updated\n" );
 987         }
 988 }
 989
 990 function do_categorylinks_indices_update() {
 991         wfOut( "Checking for categorylinks indices...\n" );
 992         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
 993         {
 994                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
 995                 wfOut( "...categorylinks indices updated\n" );
 996         }
 997 }
 998
 999 function do_filearchive_indices_update() {
1000         global $wgDatabase;
1001         wfOut( "Checking filearchive indices...\n" );
1002         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1003         if ( !$info )
1004         {
1005                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1006                 wfOut( "...filearchive indices updated\n" );
1007         }
1008 }
1009
1010 function maybe_do_profiling_memory_update() {
1011         global $wgDatabase;
1012         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1013                 // Simply ignore
1014         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1015                 wfOut( "profiling table has pf_memory field.\n" );
1016         } else {
1017                 wfOut( "Adding pf_memory field to table profiling..." );
1018                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1019                 wfOut( "ok\n" );
1020         }
1021 }
1022
1023 function do_stats_init() {
1024         // Sometimes site_stats table is not properly populated.
1025         global $wgDatabase;
1026         wfOut( "Checking site_stats row..." );
1027         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1028         if( $row === false ) {
1029                 wfOut( "data is missing! rebuilding...\n" );
1030         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1031                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1032         } else {
1033                 wfOut( "ok.\n" );
1034                 return;
1035         }
1036
1037         global $IP;
1038         require_once "$IP/maintenance/initStats.inc";
1039         wfInitStats();
1040 }
1041
1042 function do_active_users_init() {
1043         global $wgDatabase;
1044         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1045         if( $activeUsers == -1 ) {
1046                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1047                         'COUNT( DISTINCT rc_user_text )',
1048                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1049                 );
1050                 $wgDatabase->update( 'site_stats',
1051                         array( 'ss_active_users' => intval($activeUsers) ),
1052                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1053                 );
1054         }
1055         wfOut( "...ss_active_users user count set...\n" );
1056 }
1057
1058 function purge_cache() {
1059         global $wgDatabase;
1060         # We can't guarantee that the user will be able to use TRUNCATE,
1061         # but we know that DELETE is available to us
1062         wfOut( "Purging caches..." );
1063         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1064         wfOut( "done.\n" );
1065 }
1066
1067 function do_all_updates( $shared = false, $purge = true ) {
1068         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1069
1070         wfRunHooks('LoadExtensionSchemaUpdates');
1071
1072         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1073
1074         if ($wgDBtype === 'postgres') {
1075                 do_postgres_updates();
1076                 return;
1077         }
1078
1079         # Run core updates in sequence...
1080         global $wgUpdates;
1081         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1082                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1083                         $func = array_shift( $params );
1084                         call_user_func_array( $func, $params );
1085                         flush();
1086                 }
1087         }
1088
1089         /// @fixme clean up this mess too!
1090         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1091         # Add missing extension tables
1092         foreach ( $wgExtNewTables as $tableRecord ) {
1093                 add_table( $tableRecord[0], $tableRecord[1], true );
1094                 flush();
1095         }
1096         # Add missing extension fields
1097         foreach ( $wgExtNewFields as $fieldRecord ) {
1098                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1099                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1100                 }
1101                 flush();
1102         }
1103         # Add missing extension indexes
1104         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1105                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1106                 flush();
1107         }
1108
1109
1110         wfOut( "Deleting old default messages (this may take a long time!)..." );
1111         deleteDefaultMessages();
1112         wfOut( "Done\n" );
1113
1114         do_stats_init();
1115
1116         if( $purge ) {
1117                 purge_cache();
1118         }
1119 }
1120
1121 function archive($name) {
1122         global $wgDBtype, $IP;
1123         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1124                 return "$IP/maintenance/$wgDBtype/archives/$name";
1125         } else {
1126                 return "$IP/maintenance/archives/$name";
1127         }
1128 }
1129
1130 function do_restrictions_update() {
1131         # Adding page_restrictions table, obsoleting page.page_restrictions.
1132         #  Migrating old restrictions to new table
1133         # -- Andrew Garrett, January 2007.
1134
1135         global $wgDatabase;
1136
1137         $name = 'page_restrictions';
1138         $patch = 'patch-page_restrictions.sql';
1139         $patch2 = 'patch-page_restrictions_sortkey.sql';
1140
1141         if ( $wgDatabase->tableExists( $name ) ) {
1142                 wfOut( "...$name table already exists.\n" );
1143         } else {
1144                 wfOut( "Creating $name table..." );
1145                 dbsource( archive($patch), $wgDatabase );
1146                 dbsource( archive($patch2), $wgDatabase );
1147                 wfOut( "ok\n" );
1148
1149                 wfOut( "Migrating old restrictions to new table..." );
1150
1151                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1152
1153                 $count = 0;
1154
1155                 while ($row = $wgDatabase->fetchObject($res) ) {
1156                         $count = ($count + 1) % 100;
1157
1158                         if ($count == 0) {
1159                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1160                                         wfWaitForSlaves( 10 );
1161                                 } else {
1162                                         sleep( 1 );
1163                                 }
1164                         }
1165
1166                         # Figure out what the restrictions are..
1167                         $id = $row->page_id;
1168                         $flatrestrictions = explode( ':', $row->page_restrictions );
1169
1170                         $restrictions = array ();
1171                         foreach( $flatrestrictions as $restriction ) {
1172                                 $thisrestriction = explode( '=', $restriction, 2 );
1173                                 if( count( $thisrestriction ) == 1 ) {
1174                                         // Compatibility with old protections from before
1175                                         // separate move protection was added.
1176                                         list( $level ) = $thisrestriction;
1177                                         if( $level ) {
1178                                                 $restrictions['edit'] = $level;
1179                                                 $restrictions['move'] = $level;
1180                                         }
1181                                 } else {
1182                                         list( $type, $level ) = $thisrestriction;
1183                                         if( $level ) {
1184                                                 $restrictions[$type] = $level;
1185                                         }
1186                                 }
1187
1188                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1189
1190                         }
1191
1192                         foreach( $restrictions as $type => $level ) {
1193                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1194                                                                                         'pr_type' => $type,
1195                                                                                         'pr_level' => $level,
1196                                                                                         'pr_cascade' => 0,
1197                                                                                         'pr_expiry' => 'infinity' ),
1198                                                                                         __METHOD__ );
1199                         }
1200                 }
1201                 wfOut( "ok\n" );
1202         }
1203 }
1204
1205 function do_category_population() {
1206         if( update_row_exists( 'populate category' ) ) {
1207                 wfOut( "...category table already populated.\n" );
1208                 return;
1209         }
1210         require_once( 'populateCategory.inc' );
1211         wfOut( "Populating category table, printing progress markers.  " ).
1212 "For large databases, you\n".
1213 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1214 "populateCategory.php.\n";
1215         populateCategory( '', 10, 0, true );
1216         wfOut( "Done populating category table.\n" );
1217 }
1218
1219 function do_populate_parent_id() {
1220         if( update_row_exists( 'populate rev_parent_id' ) ) {
1221                 wfOut( "...rev_parent_id column already populated.\n" );
1222                 return;
1223         }
1224         require_once( 'populateParentId.inc' );
1225
1226         global $wgDatabase;
1227         populate_rev_parent_id( $wgDatabase );
1228 }
1229
1230 function sqlite_initial_indexes() {
1231         global $wgDatabase;
1232         if ( update_row_exists( 'initial_indexes' ) ) {
1233                 wfOut( "...have initial indexes\n" );
1234                 return;
1235         }
1236         wfOut( "Adding initial indexes..." );
1237         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1238         wfOut( "done\n" );
1239 }
1240
1241 function do_unique_pl_tl_il() {
1242         global $wgDatabase;
1243         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1244         if( is_array($info) && !$info[0]->Non_unique ) {
1245                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1246         } else {
1247                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1248                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1249                 wfOut( "ok\n" );
1250         }
1251 }
1252
1253 function do_log_search_population() {
1254         global $wgDatabase;
1255         if( update_row_exists( 'populate log_search' ) ) {
1256                 wfOut( "...log_search table already populated.\n" );
1257                 return;
1258         }
1259         require_once( 'populateLogSearch.inc' );
1260         wfOut(
1261 "Populating log_search table, printing progress markers. For large\n" .
1262 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1263 "maintenance/populateLogSearch.php.\n" );
1264         migrate_log_params( $wgDatabase );
1265         wfOut( "Done populating log_search table.\n" );
1266 }
1267
1268 /***********************************************************************
1269  * Start PG crap
1270  * TODO: merge with above
1271  ***********************************************************************/
1272
1273 function
1274 pg_describe_table($table)
1275 {
1276 global  $wgDatabase, $wgDBmwschema;
1277         $q = <<<END
1278 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1279         WHERE pg_class.relnamespace = pg_namespace.oid
1280           AND attrelid=pg_class.oid AND attnum > 0
1281           AND relname=%s AND nspname=%s
1282 END;
1283         $res = $wgDatabase->query(sprintf($q,
1284                         $wgDatabase->addQuotes($table),
1285                         $wgDatabase->addQuotes($wgDBmwschema)));
1286         if (!$res)
1287                 return null;
1288
1289         $cols = array();
1290         while ($r = $wgDatabase->fetchRow($res)) {
1291                 $cols[] = array(
1292                                 "name" => $r[0],
1293                                 "ord" => $r[1],
1294                         );
1295         }
1296         return $cols;
1297 }
1298
1299 function
1300 pg_describe_index($idx)
1301 {
1302 global  $wgDatabase, $wgDBmwschema;
1303
1304         // first fetch the key (which is a list of columns ords) and
1305         // the table the index applies to (an oid)
1306         $q = <<<END
1307 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1308         WHERE nspname=%s
1309           AND pg_class.relnamespace = pg_namespace.oid
1310           AND relname=%s
1311           AND indexrelid=pg_class.oid
1312 END;
1313         $res = $wgDatabase->query(sprintf($q,
1314                         $wgDatabase->addQuotes($wgDBmwschema),
1315                         $wgDatabase->addQuotes($idx)));
1316         if (!$res)
1317                 return null;
1318         if (!($r = $wgDatabase->fetchRow($res))) {
1319                 $wgDatabase->freeResult($res);
1320                 return null;
1321         }
1322
1323         $indkey = $r[0];
1324         $relid = intval($r[1]);
1325         $indkeys = explode(" ", $indkey);
1326         $wgDatabase->freeResult($res);
1327
1328         $colnames = array();
1329         foreach ($indkeys as $rid) {
1330                 $query = <<<END
1331 SELECT attname FROM pg_class, pg_attribute
1332         WHERE attrelid=$relid
1333           AND attnum=%d
1334           AND attrelid=pg_class.oid
1335 END;
1336                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1337                 if (!$r2)
1338                         return null;
1339                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1340                         $wgDatabase->freeResult($r2);
1341                         return null;
1342                 }
1343                 $colnames[] = $row2[0];
1344                 $wgDatabase->freeResult($r2);
1345         }
1346
1347         return $colnames;
1348 }
1349
1350 function
1351 pg_index_exists($table, $index)
1352 {
1353 global  $wgDatabase, $wgDBmwschema;
1354         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1355                         array(  "indexname" => $index,
1356                                 "tablename" => $table,
1357                                 "schemaname" => $wgDBmwschema));
1358         return $exists === $index;
1359 }
1360
1361 function
1362 pg_fkey_deltype($fkey)
1363 {
1364 global  $wgDatabase, $wgDBmwschema;
1365         $q = <<<END
1366 SELECT confdeltype FROM pg_constraint, pg_namespace
1367         WHERE connamespace=pg_namespace.oid
1368           AND nspname=%s
1369           AND conname=%s;
1370 END;
1371         $r = $wgDatabase->query(sprintf($q,
1372                 $wgDatabase->addQuotes($wgDBmwschema),
1373                 $wgDatabase->addQuotes($fkey)));
1374         if (!($row = $wgDatabase->fetchRow($r)))
1375                 return null;
1376         return $row[0];
1377 }
1378
1379 function
1380 pg_rule_def($table, $rule)
1381 {
1382 global  $wgDatabase, $wgDBmwschema;
1383         $q = <<<END
1384 SELECT definition FROM pg_rules
1385         WHERE schemaname = %s
1386           AND tablename = %s
1387           AND rulename = %s
1388 END;
1389         $r = $wgDatabase->query(sprintf($q,
1390                         $wgDatabase->addQuotes($wgDBmwschema),
1391                         $wgDatabase->addQuotes($table),
1392                         $wgDatabase->addQuotes($rule)));
1393         $row = $wgDatabase->fetchRow($r);
1394         if (!$row)
1395                 return null;
1396         $d = $row[0];
1397         $wgDatabase->freeResult($r);
1398         return $d;
1399 }
1400
1401 function do_postgres_updates() {
1402         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1403
1404         ## Gather version numbers in case we need them
1405         $version = $wgDatabase->getServerVersion(); ## long string
1406         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1407
1408         $wgShowExceptionDetails = 1;
1409
1410         # Just in case their LocalSettings.php does not have this:
1411         if ( !isset( $wgDBmwschema ))
1412                 $wgDBmwschema = 'mediawiki';
1413
1414         # Verify that this user is configured correctly
1415         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1416         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1417         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1418         $conf = array();
1419         foreach( explode( '*', $config ) as $c ) {
1420                 list( $x,$y ) = explode( '=', $c );
1421                 $conf[$x] = $y;
1422         }
1423         if( !array_key_exists( 'search_path', $conf ) ) {
1424                 $search_path = '';
1425         }
1426         else {
1427                 $search_path = $conf['search_path'];
1428         }
1429         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1430                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1431                 $search_path = "$wgDBmwschema, $search_path";
1432         }
1433         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1434                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1435                 $search_path = "$search_path, $wgDBts2schema";
1436         }
1437         $search_path = str_replace( ', ,', ',', $search_path);
1438         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1439                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1440                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1441         }
1442         else {
1443                 $path = $conf['search_path'];
1444                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1445         }
1446         $goodconf = array(
1447                 'client_min_messages' => 'error',
1448                 'DateStyle'           => 'ISO, YMD',
1449                 'TimeZone'            => 'GMT'
1450         );
1451         foreach( array_keys( $goodconf ) AS $key ) {
1452                 $value = $goodconf[$key];
1453                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1454                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1455                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1456                         $wgDatabase->doQuery( "SET $key = '$value'" );
1457                 }
1458                 else {
1459                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1460                 }
1461         }
1462
1463         $newsequences = array(
1464                 "log_log_id_seq",
1465                 "pr_id_val",
1466         );
1467
1468         $newtables = array(
1469                 array("category",          "patch-category.sql"),
1470                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1471                 array("mwuser",            "patch-mwuser.sql"),
1472                 array("pagecontent",       "patch-pagecontent.sql"),
1473                 array("querycachetwo",     "patch-querycachetwo.sql"),
1474                 array("page_props",        "patch-page_props.sql"),
1475                 array("page_restrictions", "patch-page_restrictions.sql"),
1476                 array("profiling",         "patch-profiling.sql"),
1477                 array("protected_titles",  "patch-protected_titles.sql"),
1478                 array("redirect",          "patch-redirect.sql"),
1479                 array("updatelog",         "patch-updatelog.sql"),
1480                 array('change_tag',        'patch-change_tag.sql'),
1481                 array('tag_summary',       'patch-change_tag.sql'),
1482                 array('valid_tag',         'patch-change_tag.sql'),
1483                 array('user_properties',   'patch-user_properties.sql'),
1484                 array('log_search',        'patch-log_search.sql'),
1485         );
1486
1487         $newcols = array(
1488                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1489                 array("archive",       "ar_len",               "INTEGER"),
1490                 array("archive",       "ar_page_id",           "INTEGER"),
1491                 array("archive",       "ar_parent_id",         "INTEGER"),
1492                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1493                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1494                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1495                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1496                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1497                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1498                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1499                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1500                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1501                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1502                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1503                 array("logging",       "log_params",           "TEXT"),
1504                 array("mwuser",        "user_editcount",       "INTEGER"),
1505                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1506                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1507                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1508                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1509                 array("oldimage",      "oi_media_type",        "TEXT"),
1510                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1511                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1512                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1513                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1514                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1515                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1516                 array("recentchanges", "rc_log_action",        "TEXT"),
1517         array("recentchanges", "rc_log_type",          "TEXT"),
1518         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1519                 array("recentchanges", "rc_new_len",           "INTEGER"),
1520                 array("recentchanges", "rc_old_len",           "INTEGER"),
1521                 array("recentchanges", "rc_params",            "TEXT"),
1522                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1523                 array("revision",      "rev_len",              "INTEGER"),
1524                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1525                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1526                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1527         );
1528
1529
1530         # table, column, desired type, USING clause if needed (with new default if needed)
1531         $typechanges = array(
1532                 array("archive",      "ar_deleted",      "smallint", ""),
1533                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1534                 array("filearchive",  "fa_deleted",      "smallint", ""),
1535                 array("filearchive",  "fa_height",       "integer",  ""),
1536                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1537                 array("filearchive",  "fa_size",         "integer",  ""),
1538                 array("filearchive",  "fa_width",        "integer",  ""),
1539                 array("filearchive",  "fa_storage_group","text",     ""),
1540                 array("filearchive",  "fa_storage_key",  "text",     ""),
1541                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1542                 array("image",        "img_size",        "integer",  ""),
1543                 array("image",        "img_width",       "integer",  ""),
1544                 array("image",        "img_height",      "integer",  ""),
1545                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1546                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1547                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1548                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1549                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1550                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1551                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1552                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1553                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1554                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1555                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1556                 array("mwuser",       "user_token",      "text",     ""),
1557                 array("mwuser",       "user_email_token","text",     ""),
1558                 array("objectcache",  "keyname",         "text",     ""),
1559                 array("oldimage",     "oi_height",       "integer",  ""),
1560                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1561                 array("oldimage",     "oi_size",         "integer",  ""),
1562                 array("oldimage",     "oi_width",        "integer",  ""),
1563                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1564                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1565                 array("querycache",   "qc_value",        "integer",  ""),
1566                 array("querycachetwo","qcc_value",       "integer",  ""),
1567                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1568                 array("recentchanges","rc_deleted",      "smallint", ""),
1569                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1570                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1571                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1572                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1573                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1574                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1575                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1576                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1577         );
1578
1579         # table, column, nullability
1580         $nullchanges = array(
1581                 array("oldimage", "oi_bits",       "NULL"),
1582                 array("oldimage", "oi_timestamp",  "NULL"),
1583                 array("oldimage", "oi_major_mime", "NULL"),
1584                 array("oldimage", "oi_minor_mime", "NULL"),
1585         );
1586
1587         $newindexes = array(
1588                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1589                 array("image",         "img_sha1",           "(img_sha1)"),
1590                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1591                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1592                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1593                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1594                 array("watchlist",     "wl_user",            "(wl_user)"),
1595         );
1596
1597         $newrules = array(
1598         );
1599
1600         foreach ($newsequences as $ns) {
1601                 if ($wgDatabase->sequenceExists($ns)) {
1602                         wfOut( "... sequence \"$ns\" already exists\n" );
1603                         continue;
1604                 }
1605
1606                 wfOut( "Creating sequence \"$ns\"\n" );
1607                 $wgDatabase->query("CREATE SEQUENCE $ns");
1608         }
1609
1610         foreach ($newtables as $nt) {
1611                 if ($wgDatabase->tableExists($nt[0])) {
1612                         wfOut( "... table \"$nt[0]\" already exists\n" );
1613                         continue;
1614                 }
1615
1616                 wfOut( "Creating table \"$nt[0]\"\n" );
1617                 dbsource(archive($nt[1]));
1618         }
1619
1620         ## Needed before newcols
1621         if ($wgDatabase->tableExists("archive2")) {
1622                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1623                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1624                         wfOut( "Dropping rule \"archive_insert\"\n" );
1625                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1626                 }
1627                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1628                         wfOut( "Dropping rule \"archive_delete\"\n" );
1629                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1630                 }
1631                 dbsource(archive("patch-remove-archive2.sql"));
1632         }
1633         else
1634                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1635
1636         foreach ($newcols as $nc) {
1637                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1638                 if (!is_null($fi)) {
1639                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1640                         continue;
1641                 }
1642
1643                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1644                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1645         }
1646
1647         foreach ($typechanges as $tc) {
1648                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1649                 if (is_null($fi)) {
1650                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1651                         exit(1);
1652                 }
1653
1654                 if ($fi->type() === $tc[2])
1655                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1656                 else {
1657                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1658                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1659                         if (strlen($tc[3])) {
1660                                 $default = array();
1661                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1662                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1663                                         $wgDatabase->query($sqldef);
1664                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1665                                 }
1666                                 $sql .= " USING $tc[3]";
1667                         }
1668                         $sql .= ";\nCOMMIT;\n";
1669                         $wgDatabase->query($sql);
1670                 }
1671         }
1672
1673         foreach ($nullchanges as $nc) {
1674                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1675                 if (is_null($fi)) {
1676                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1677                         exit(1);
1678                 }
1679                 if ($fi->nullable()) {
1680                         ## It's NULL - does it need to be NOT NULL?
1681                         if ('NOT NULL' === $nc[2]) {
1682                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1683                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1684                         }
1685                         else {
1686                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1687                         }
1688                 }
1689                 else {
1690                         ## It's NOT NULL - does it need to be NULL?
1691                         if ('NULL' === $nc[2]) {
1692                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1693                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1694                         }
1695                         else {
1696                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1697                         }
1698                 }
1699         }
1700
1701         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1702                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1703                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1704                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1705                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1706         }
1707         else
1708                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1709
1710
1711         foreach ($newindexes as $ni) {
1712                 if (pg_index_exists($ni[0], $ni[1])) {
1713                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1714                         continue;
1715                 }
1716                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1717                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1718         }
1719
1720         foreach ($newrules as $nr) {
1721                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1722                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1723                         continue;
1724                 }
1725                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1726                 dbsource(archive($nr[2]));
1727         }
1728
1729         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1730                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete\n" );
1731                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1732                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1733                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1734         }
1735         else
1736                 wfOut( "... table \"oldimage\" has correct cascade delete foreign key to image\n" );
1737
1738         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1739                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1740                 dbsource(archive('patch-page_deleted.sql'));
1741         }
1742         else
1743                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1744
1745         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1746         if (!$fi->nullable()) {
1747                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1748                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1749         }
1750         else
1751                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1752
1753         $pu = pg_describe_index("pagelink_unique");
1754         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1755                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1756                 $wgDatabase->query("DROP INDEX pagelink_unique");
1757                 $pu = null;
1758         }
1759         else
1760                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1761
1762         if (is_null($pu)) {
1763                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1764                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1765         }
1766         else
1767                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1768
1769         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1770                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1771         }
1772         else {
1773                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1774                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1775         }
1776
1777         # Fix ipb_address index
1778         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1779                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1780                 $wgDatabase->query('DROP INDEX ipb_address');
1781         }
1782         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1783                 wfOut( "... have ipb_address_unique\n" );
1784         }
1785         else {
1786                 wfOut( "Adding ipb_address_unique index\n" );
1787                 dbsource(archive('patch-ipb_address_unique.sql'));
1788         }
1789
1790         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1791         # Add missing extension tables
1792         foreach ( $wgExtNewTables as $nt ) {
1793                 if ($wgDatabase->tableExists($nt[0])) {
1794                         wfOut( "... table \"$nt[0]\" already exists\n" );
1795                         continue;
1796                 }
1797                 wfOut( "Creating table \"$nt[0]\"\n" );
1798                 dbsource($nt[1]);
1799         }
1800         # Add missing extension fields
1801         foreach ( $wgExtPGNewFields as $nc ) {
1802                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1803                 if (!is_null($fi)) {
1804                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1805                         continue;
1806                 }
1807                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1808                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1809         }
1810         # Change altered columns
1811         foreach ( $wgExtPGAlteredFields as $nc ) {
1812                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1813                 if (is_null($fi)) {
1814                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1815                         continue;
1816                 }
1817                 $oldtype = $fi->type();
1818                 $newtype = strtolower( $nc[2] );
1819                 if ($oldtype === $newtype) {
1820                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1821                         continue;
1822                 }
1823                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1824                 if ( isset( $nc[3] ) ) {
1825                         $command .= " USING $nc[3]";
1826                 }
1827                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1828                 $wgDatabase->query( $command );
1829         }
1830         # Add missing extension indexes
1831         foreach ( $wgExtNewIndexes as $ni ) {
1832                 if (pg_index_exists($ni[0], $ni[1])) {
1833                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1834                         continue;
1835                 }
1836                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1837                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1838                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1839                 }
1840                 else {
1841                         dbsource($ni[2]);
1842                 }
1843         }
1844
1845         # Tweak the page_title tsearch2 trigger to filter out slashes
1846         # This is create or replace, so harmless to call if not needed
1847         dbsource(archive('patch-ts2pagetitle.sql'));
1848
1849         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1850         ## in case they have the old 'default' versions
1851         if ( $numver >= 8.3 )
1852                 dbsource(archive('patch-tsearch2funcs.sql'));
1853
1854         ## Put a new row in the mediawiki_version table
1855         $wgDatabase->insert( 'mediawiki_version',
1856                 array(
1857                         'type' => 'Update',
1858                         'ctype' => 'U',
1859                         'mw_version' => $wgVersion,
1860                         'pg_version' => $version,
1861                         'sql_version' => '$LastChangedRevision$',
1862                         'sql_date' => '$LastChangedDate$',
1863                 ) );
1864         return;
1865 }