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 # Extension updates
  15 require_once( "$IP/includes/Hooks.php" );
  16
  17 /**
  18  * List of update functions to call for each DB type, in sequence. First item
  19  * is function name, rest are parameters to pass.
  20  */
  21 $wgUpdates = array(
  22         'mysql' => array(
  23                 // 1.2
  24                 // update_passwords obsolete
  25                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  26                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  27                 array( 'do_interwiki_update' ),
  28                 array( 'do_index_update' ),
  29                 // do_linkscc_update obsolete
  30                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  31                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  32
  33                 // 1.3
  34                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  35                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  36                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  37                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  38                 // do_linkscc_1_3_update obsolete
  39                 array( 'do_old_links_update' ),
  40                 array( 'fix_ancient_imagelinks' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146
 147                 // 1.14
 148                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 149                 array( 'do_active_users_init' ),
 150                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 151
 152                 // 1.15
 153                 array( 'do_unique_pl_tl_il' ),
 154                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 155                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 156                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 157
 158                 // 1.16
 159                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 160                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 161                 array( 'do_log_search_population' ),
 162                 array( 'add_field', 'logging',       'log_user_text',  'patch-log_user_text.sql' ),
 163                 array( 'add_table', 'l10n_cache',              'patch-l10n_cache.sql' ),
 164                 array( 'add_table', 'external_user', 'patch-external_user.sql' ),
 165                 array( 'add_index', 'log_search', 'ls_field_val', 'patch-log_search-rename-index.sql' ),
 166                 array( 'add_index', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 167                 array( 'add_field', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
 168         ),
 169
 170         'sqlite' => array(
 171                 // 1.14
 172                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 173                 array( 'do_active_users_init' ),
 174                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 175                 array( 'sqlite_initial_indexes' ),
 176
 177                 // 1.15
 178                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 179                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 180                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 181
 182                 // 1.16
 183                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 184                 array( 'add_table', 'log_search',                          'patch-log_search.sql' ),
 185                 array( 'do_log_search_population' ),
 186                 array( 'add_field', 'logging',       'log_user_text',  'patch-log_user_text.sql' ),
 187                 array( 'add_table', 'l10n_cache',              'patch-l10n_cache.sql' ),
 188                 array( 'add_table', 'external_user', 'patch-external_user.sql' ),
 189                 array( 'add_index', 'log_search', 'ls_field_val', 'patch-log_search-rename-index.sql' ),
 190                 array( 'add_index', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 191                 array( 'add_field', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
 192         ),
 193 );
 194
 195
 196 # For extensions only, should be populated via hooks
 197 # $wgDBtype should be checked to specifiy the proper file
 198 $wgExtNewTables = array(); // table, dir
 199 $wgExtNewFields = array(); // table, column, dir
 200 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 201 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 202 $wgExtNewIndexes = array(); // table, index, dir
 203 $wgExtModifiedFields = array(); //table, index, dir
 204
 205 # Helper function: check if the given key is present in the updatelog table.
 206 # Obviously, only use this for updates that occur after the updatelog table was
 207 # created!
 208 function update_row_exists( $key ) {
 209         $dbr = wfGetDB( DB_SLAVE );
 210         $row = $dbr->selectRow(
 211                 'updatelog',
 212                 '1',
 213                 array( 'ul_key' => $key ),
 214                 __FUNCTION__
 215         );
 216         return (bool)$row;
 217 }
 218
 219 function rename_table( $from, $to, $patch ) {
 220         global $wgDatabase;
 221         if ( $wgDatabase->tableExists( $from ) ) {
 222                 if ( $wgDatabase->tableExists( $to ) ) {
 223                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 224                 } else {
 225                         wfOut( "Moving table $from to $to..." );
 226                         $wgDatabase->sourceFile( archive($patch) );
 227                         wfOut( "ok\n" );
 228                 }
 229         } else {
 230                 // Source table does not exist
 231                 // Renames are done before creations, so this is typical for a new installation
 232                 // Ignore silently
 233         }
 234 }
 235
 236 function add_table( $name, $patch, $fullpath=false ) {
 237         global $wgDatabase;
 238         if ( $wgDatabase->tableExists( $name ) ) {
 239                 wfOut( "...$name table already exists.\n" );
 240         } else {
 241                 wfOut( "Creating $name table..." );
 242                 if( $fullpath ) {
 243                         $wgDatabase->sourceFile( $patch );
 244                 } else {
 245                         $wgDatabase->sourceFile( archive($patch) );
 246                 }
 247                 wfOut( "ok\n" );
 248         }
 249 }
 250
 251 function modify_field($table, $field, $patch, $fullpath=false){
 252         global $wgDatabase;
 253         if ( !$wgDatabase->tableExists( $table ) ) {
 254                 wfOut( "...$table table does not exist, skipping modify field patch\n" );
 255         } elseif (! $wgDatabase->fieldExists( $table, $field ) ) {
 256                 wfOut( "...$field field does not exist in $table table, skipping modify field patch\n" );
 257         } else {
 258                 wfOut( "Modifying $field field of table $table..." );
 259                 if( $fullpath ) {
 260                         $wgDatabase->sourceFile( $patch );
 261                 } else {
 262                         $wgDatabase->sourceFile( archive($patch) );
 263                 }
 264                 wfOut( "ok\n" );
 265         }
 266 }
 267
 268
 269
 270 function add_field( $table, $field, $patch, $fullpath=false ) {
 271         global $wgDatabase;
 272         if ( !$wgDatabase->tableExists( $table ) ) {
 273                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 274         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 275                 wfOut( "...have $field field in $table table.\n" );
 276         } else {
 277                 wfOut( "Adding $field field to table $table..." );
 278                 if( $fullpath ) {
 279                         $wgDatabase->sourceFile( $patch );
 280                 } else {
 281                         $wgDatabase->sourceFile( archive($patch) );
 282                 }
 283                 wfOut( "ok\n" );
 284         }
 285 }
 286
 287 function add_index( $table, $index, $patch, $fullpath=false ) {
 288         global $wgDatabase;
 289         if( $wgDatabase->indexExists( $table, $index ) ) {
 290                 wfOut( "...$index key already set on $table table.\n" );
 291         } else {
 292                 wfOut( "Adding $index key to table $table... " );
 293                 if( $fullpath ) {
 294                         $wgDatabase->sourceFile( $patch );
 295                 } else {
 296                         $wgDatabase->sourceFile( archive($patch) );
 297                 }
 298                 wfOut( "ok\n" );
 299         }
 300 }
 301
 302 function do_interwiki_update() {
 303         # Check that interwiki table exists; if it doesn't source it
 304         global $wgDatabase, $IP;
 305         if( $wgDatabase->tableExists( "interwiki" ) ) {
 306                 wfOut( "...already have interwiki table\n" );
 307                 return true;
 308         }
 309         wfOut( "Creating interwiki table: " );
 310         $wgDatabase->sourceFile( archive("patch-interwiki.sql") );
 311         wfOut( "ok\n" );
 312         wfOut( "Adding default interwiki definitions: " );
 313         $wgDatabase->sourceFile( "$IP/maintenance/interwiki.sql" );
 314         wfOut( "ok\n" );
 315 }
 316
 317 function do_index_update() {
 318         # Check that proper indexes are in place
 319         global $wgDatabase;
 320         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 321         if( !$meta->isMultipleKey() ) {
 322                 wfOut( "Updating indexes to 20031107: " );
 323                 $wgDatabase->sourceFile( archive("patch-indexes.sql") );
 324                 wfOut( "ok\n" );
 325                 return true;
 326         }
 327         wfOut( "...indexes seem up to 20031107 standards\n" );
 328         return false;
 329 }
 330
 331 function do_image_index_update() {
 332         global $wgDatabase;
 333
 334         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 335         if( !$meta->isMultipleKey() ) {
 336                 wfOut( "Updating indexes to 20050912: " );
 337                 $wgDatabase->sourceFile( archive("patch-mimesearch-indexes.sql") );
 338                 wfOut( "ok\n" );
 339                 return true;
 340         }
 341         wfOut( "...indexes seem up to 20050912 standards\n" );
 342         return false;
 343 }
 344
 345 function do_image_name_unique_update() {
 346         global $wgDatabase;
 347         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 348                 wfOut( "...image primary key already set.\n" );
 349         } else {
 350                 wfOut( "Making img_name the primary key... " );
 351                 $wgDatabase->sourceFile( archive("patch-image_name_primary.sql") );
 352                 wfOut( "ok\n" );
 353         }
 354 }
 355
 356 function do_logging_timestamp_index() {
 357         global $wgDatabase;
 358         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 359                 wfOut( "...timestamp key on logging already exists.\n" );
 360         } else {
 361                 wfOut( "Adding timestamp key on logging table... " );
 362                 $wgDatabase->sourceFile( archive("patch-logging-times-index.sql") );
 363                 wfOut( "ok\n" );
 364         }
 365 }
 366
 367 function do_archive_user_index() {
 368         global $wgDatabase;
 369         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 370                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 371         } else {
 372                 wfOut( "Adding usertext,timestamp key on archive table... " );
 373                 $wgDatabase->sourceFile( archive("patch-archive-user-index.sql") );
 374                 wfOut( "ok\n" );
 375         }
 376 }
 377
 378 function do_image_user_index() {
 379         global $wgDatabase;
 380         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 381                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 382         } else {
 383                 wfOut( "Adding usertext,timestamp key on image table... " );
 384                 $wgDatabase->sourceFile( archive("patch-image-user-index.sql") );
 385                 wfOut( "ok\n" );
 386         }
 387 }
 388
 389 function do_oldimage_user_index() {
 390         global $wgDatabase;
 391         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 392                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 393         } else {
 394                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 395                 $wgDatabase->sourceFile( archive("patch-oldimage-user-index.sql") );
 396                 wfOut( "ok\n" );
 397         }
 398 }
 399
 400 function do_watchlist_update() {
 401         global $wgDatabase;
 402         $fname = 'do_watchlist_update';
 403         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 404                 wfOut( "The watchlist table is already set up for email notification.\n" );
 405         } else {
 406                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 407                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 408                 $wgDatabase->sourceFile( archive( 'patch-email-notification.sql' ) );
 409                 wfOut( "ok\n" );
 410         }
 411         # Check if we need to add talk page rows to the watchlist
 412         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 413         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 414         if ( $talk != $nontalk ) {
 415                 wfOut( "Adding missing watchlist talk page rows... " );
 416                 flush();
 417
 418                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 419                         array(
 420                                 'wl_user' => 'wl_user',
 421                                 'wl_namespace' => 'wl_namespace | 1',
 422                                 'wl_title' => 'wl_title',
 423                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 424                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 425                 wfOut( "ok\n" );
 426         } else {
 427                 wfOut( "...watchlist talk page rows already present\n" );
 428         }
 429 }
 430
 431 function do_copy_newtalk_to_watchlist() {
 432         global $wgDatabase;
 433         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 434
 435         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 436                 $wgDatabase->tableName( 'user_newtalk' ) );
 437         $num_newtalks=$wgDatabase->numRows($res);
 438         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 439
 440         $user = new User();
 441         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 442                 $wluser = $wgDatabase->fetchObject( $res );
 443                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 444                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 445                                 $wgDatabase->replace( 'watchlist',
 446                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 447                                           array('wl_user'                       => 0,
 448                                                 'wl_namespace'                  => NS_USER_TALK,
 449                                                 'wl_title'                      => $wluser->user_ip,
 450                                                 'wl_notificationtimestamp'      => '19700101000000'
 451                                                 ), 'updaters.inc::do_watchlist_update2'
 452                                         );
 453                         }
 454                 } else { # normal users ... have user_ids
 455                         $user->setID($wluser->user_id);
 456                         $wgDatabase->replace( 'watchlist',
 457                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 458                                   array('wl_user'                       => $user->getID(),
 459                                         'wl_namespace'                  => NS_USER_TALK,
 460                                         'wl_title'                      => $user->getName(),
 461                                         'wl_notificationtimestamp'      => '19700101000000'
 462                                         ), 'updaters.inc::do_watchlist_update3'
 463                                 );
 464                 }
 465         }
 466         wfOut( "Done.\n" );
 467 }
 468
 469
 470 function do_user_update() {
 471         global $wgDatabase;
 472         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 473                 wfOut( "User table contains old email authentication field. Dropping... " );
 474                 $wgDatabase->sourceFile( archive( 'patch-email-authentication.sql' ) );
 475                 wfOut( "ok\n" );
 476         } else {
 477                 wfOut( "...user table does not contain old email authentication field.\n" );
 478         }
 479 }
 480
 481 /**
 482  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 483  * which causes a collation mismatch error on joins in MySQL 4.1.
 484  */
 485 function check_bin( $table, $field, $patchFile ) {
 486         global $wgDatabase, $wgDBtype;
 487         if ($wgDBtype != 'mysql')
 488                 return;
 489         $tableName = $wgDatabase->tableName( $table );
 490         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 491         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 492         $wgDatabase->freeResult( $res );
 493
 494         if( in_array( 'binary', $flags ) ) {
 495                 wfOut( "$table table has correct $field encoding.\n" );
 496         } else {
 497                 wfOut( "Fixing $field encoding on $table table... " );
 498                 $wgDatabase->sourceFile( archive( $patchFile ) );
 499                 wfOut( "ok\n" );
 500         }
 501 }
 502
 503 function do_schema_restructuring() {
 504         global $wgDatabase;
 505         $fname="do_schema_restructuring";
 506         if ( $wgDatabase->tableExists( 'page' ) ) {
 507                 wfOut( "...page table already exists.\n" );
 508         } else {
 509                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 510                 wfOut( wfTimestamp( TS_DB ) );
 511                 wfOut( "......checking for duplicate entries.\n" );
 512
 513                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 514
 515                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 516                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 517
 518                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 519                         wfOut( wfTimestamp( TS_DB ) );
 520                         wfOut( "......<b>Found duplicate entries</b>\n" );
 521                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 522                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 523                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 524                                         $duplicate[$row->cur_namespace] = array();
 525                                 }
 526                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 527                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 528                         }
 529                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 530                         $firstCond = true;
 531                         foreach ( $duplicate as $ns => $titles ) {
 532                                 if ( $firstCond ) {
 533                                         $firstCond = false;
 534                                 } else {
 535                                         $sql .= ' OR ';
 536                                 }
 537                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 538                                 $first = true;
 539                                 foreach ( $titles as $t ) {
 540                                         if ( $first ) {
 541                                                 $sql .= $wgDatabase->addQuotes( $t );
 542                                                 $first = false;
 543                                         } else {
 544                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 545                                         }
 546                                 }
 547                                 $sql .= ") ) \n";
 548                         }
 549                         # By sorting descending, the most recent entry will be the first in the list.
 550                         # All following entries will be deleted by the next while-loop.
 551                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 552
 553                         $rows = $wgDatabase->query( $sql, $fname );
 554
 555                         $prev_title = $prev_namespace = false;
 556                         $deleteId = array();
 557
 558                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 559                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 560                                         $deleteId[] = $row->cur_id;
 561                                 }
 562                                 $prev_title     = $row->cur_title;
 563                                 $prev_namespace = $row->cur_namespace;
 564                         }
 565                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 566                         $rows = $wgDatabase->query( $sql, $fname );
 567                         wfOut( wfTimestamp( TS_DB ) );
 568                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 569                 }
 570
 571
 572                 wfOut( wfTimestamp( TS_DB ) );
 573                 wfOut( "......Creating tables.\n" );
 574                 $wgDatabase->query("CREATE TABLE $page (
 575                         page_id int(8) unsigned NOT NULL auto_increment,
 576                         page_namespace int NOT NULL,
 577                         page_title varchar(255) binary NOT NULL,
 578                         page_restrictions tinyblob NOT NULL,
 579                         page_counter bigint(20) unsigned NOT NULL default '0',
 580                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 581                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 582                         page_random real unsigned NOT NULL,
 583                         page_touched char(14) binary NOT NULL default '',
 584                         page_latest int(8) unsigned NOT NULL,
 585                         page_len int(8) unsigned NOT NULL,
 586
 587                         PRIMARY KEY page_id (page_id),
 588                         UNIQUE INDEX name_title (page_namespace,page_title),
 589                         INDEX (page_random),
 590                         INDEX (page_len)
 591                         ) ENGINE=InnoDB", $fname );
 592                 $wgDatabase->query("CREATE TABLE $revision (
 593                         rev_id int(8) unsigned NOT NULL auto_increment,
 594                         rev_page int(8) unsigned NOT NULL,
 595                         rev_comment tinyblob NOT NULL,
 596                         rev_user int(5) unsigned NOT NULL default '0',
 597                         rev_user_text varchar(255) binary NOT NULL default '',
 598                         rev_timestamp char(14) binary NOT NULL default '',
 599                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 600                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 601                         rev_len int(8) unsigned,
 602                         rev_parent_id int(8) unsigned default NULL,
 603                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 604                         UNIQUE INDEX rev_id (rev_id),
 605                         INDEX rev_timestamp (rev_timestamp),
 606                         INDEX page_timestamp (rev_page,rev_timestamp),
 607                         INDEX user_timestamp (rev_user,rev_timestamp),
 608                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 609                         ) ENGINE=InnoDB", $fname );
 610
 611                 wfOut( wfTimestamp( TS_DB ) );
 612                 wfOut( "......Locking tables.\n" );
 613                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 614
 615                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 616                 wfOut( wfTimestamp( TS_DB ) );
 617                 wfOut( "......maxold is {$maxold}\n" );
 618
 619                 wfOut( wfTimestamp( TS_DB ) );
 620                 global $wgLegacySchemaConversion;
 621                 if( $wgLegacySchemaConversion ) {
 622                         // Create HistoryBlobCurStub entries.
 623                         // Text will be pulled from the leftover 'cur' table at runtime.
 624                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 625                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 626                         $cur_flags = "'object'";
 627                 } else {
 628                         // Copy all cur text in immediately: this may take longer but avoids
 629                         // having to keep an extra table around.
 630                         wfOut( "......Moving text from cur.\n" );
 631                         $cur_text = 'cur_text';
 632                         $cur_flags = "''";
 633                 }
 634                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 635                                 old_timestamp, old_minor_edit, old_flags)
 636                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 637                         FROM $cur", $fname );
 638
 639                 wfOut( wfTimestamp( TS_DB ) );
 640                 wfOut( "......Setting up revision table.\n" );
 641                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 642                                 rev_minor_edit)
 643                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 644                                 old_timestamp, old_minor_edit
 645                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 646
 647                 wfOut( wfTimestamp( TS_DB ) );
 648                 wfOut( "......Setting up page table.\n" );
 649                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 650                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 651                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 652                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 653                         FROM $cur,$revision
 654                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 655
 656                 wfOut( wfTimestamp( TS_DB ) );
 657                 wfOut( "......Unlocking tables.\n" );
 658                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 659
 660                 wfOut( wfTimestamp( TS_DB ) );
 661                 wfOut( "......Renaming old.\n" );
 662                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 663
 664                 wfOut( wfTimestamp( TS_DB ) );
 665                 wfOut( "...done.\n" );
 666         }
 667 }
 668
 669 function do_inverse_timestamp() {
 670         global $wgDatabase;
 671         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 672                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 673                 $wgDatabase->sourceFile( archive( 'patch-inverse_timestamp.sql' ) );
 674                 wfOut( "ok\n" );
 675         } else {
 676                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 677         }
 678 }
 679
 680 function do_text_id() {
 681         global $wgDatabase;
 682         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 683                 wfOut( "...rev_text_id already in place.\n" );
 684         } else {
 685                 wfOut( "Adding rev_text_id field... " );
 686                 $wgDatabase->sourceFile( archive( 'patch-rev_text_id.sql' ) );
 687                 wfOut( "ok\n" );
 688         }
 689 }
 690
 691 function do_namespace_size() {
 692         $tables = array(
 693                 'page'          => 'page',
 694                 'archive'       => 'ar',
 695                 'recentchanges' => 'rc',
 696                 'watchlist'     => 'wl',
 697                 'querycache'    => 'qc',
 698                 'logging'       => 'log',
 699         );
 700         foreach( $tables as $table => $prefix ) {
 701                 do_namespace_size_on( $table, $prefix );
 702                 flush();
 703         }
 704 }
 705
 706 function do_namespace_size_on( $table, $prefix ) {
 707         global $wgDatabase, $wgDBtype;
 708         if ($wgDBtype != 'mysql')
 709                 return;
 710         $field = $prefix . '_namespace';
 711
 712         $tablename = $wgDatabase->tableName( $table );
 713         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 714         $info = $wgDatabase->fetchObject( $result );
 715         $wgDatabase->freeResult( $result );
 716
 717         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 718                 wfOut( "...$field is already a full int ($info->Type).\n" );
 719         } else {
 720                 wfOut( "Promoting $field from $info->Type to int... " );
 721
 722                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 723                 $wgDatabase->query( $sql );
 724
 725                 wfOut( "ok\n" );
 726         }
 727 }
 728
 729 function do_pagelinks_update() {
 730         global $wgDatabase;
 731         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 732                 wfOut( "...already have pagelinks table.\n" );
 733         } else {
 734                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 735                 $wgDatabase->sourceFile( archive( 'patch-pagelinks.sql' ) );
 736                 wfOut( "ok\n" );
 737                 flush();
 738
 739                 global $wgCanonicalNamespaceNames;
 740                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 741                         if( $ns != 0 ) {
 742                                 do_pagelinks_namespace( $ns );
 743                         }
 744                 }
 745         }
 746 }
 747
 748 function do_pagelinks_namespace( $namespace ) {
 749         global $wgDatabase, $wgContLang;
 750
 751         $ns = intval( $namespace );
 752         wfOut( "Cleaning up broken links for namespace $ns... " );
 753
 754         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 755         $name = $wgContLang->getNsText( $ns );
 756         $prefix = $wgDatabase->strencode( $name );
 757         $likeprefix = str_replace( '_', '\\_', $prefix);
 758
 759         $sql = "UPDATE $pagelinks
 760                    SET pl_namespace=$ns,
 761                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 762                  WHERE pl_namespace=0
 763                    AND pl_title LIKE '$likeprefix:%'";
 764
 765         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 766         wfOut( "ok\n" );
 767 }
 768
 769 function do_drop_img_type() {
 770         global $wgDatabase;
 771
 772         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 773                 wfOut( "Dropping unused img_type field in image table... " );
 774                 $wgDatabase->sourceFile( archive( 'patch-drop_img_type.sql' ) );
 775                 wfOut( "ok\n" );
 776         } else {
 777                 wfOut( "No img_type field in image table; Good.\n" );
 778         }
 779 }
 780
 781 function do_old_links_update() {
 782         global $wgDatabase;
 783         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 784                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 785         } else {
 786                 convertLinks(); flush();
 787         }
 788 }
 789
 790 function fix_ancient_imagelinks() {
 791         global $wgDatabase;
 792         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 793         if ( $info && $info->type() === 'string' ) {
 794                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 795                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 796                 $wgDatabase->sourceFile( archive( 'patch-fix-il_from.sql' ) );
 797                 wfOut( "ok\n" );
 798         } else {
 799                 wfOut( "...il_from OK\n" );
 800         }
 801 }
 802
 803 function do_user_unique_update() {
 804         global $wgDatabase;
 805         $duper = new UserDupes( $wgDatabase );
 806         if( $duper->hasUniqueIndex() ) {
 807                 wfOut( "Already have unique user_name index.\n" );
 808         } else {
 809                 if( !$duper->clearDupes() ) {
 810                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 811                 }
 812                 wfOut( "Adding unique index on user_name... " );
 813                 $wgDatabase->sourceFile( archive( 'patch-user_nameindex.sql' ) );
 814                 wfOut( "ok\n" );
 815         }
 816 }
 817
 818 function do_user_groups_update() {
 819         $fname = 'do_user_groups_update';
 820         global $wgDatabase;
 821
 822         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 823                 wfOut( "...user_groups table already exists.\n" );
 824                 return do_user_groups_reformat();
 825         }
 826
 827         wfOut( "Adding user_groups table... " );
 828         $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 829         wfOut( "ok\n" );
 830
 831         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 832                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 833                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 834                         $wgDatabase->sourceFile( archive( 'patch-user_rights.sql' ) );
 835                         wfOut( "ok\n" );
 836                 } else {
 837                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 838                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 839                         wfOut( "*** the user_groups table.\n" );
 840                         return;
 841                 }
 842         }
 843
 844         wfOut( "Converting user_rights table to user_groups... " );
 845         $result = $wgDatabase->select( 'user_rights',
 846                 array( 'ur_user', 'ur_rights' ),
 847                 array( "ur_rights != ''" ),
 848                 $fname );
 849
 850         while( $row = $wgDatabase->fetchObject( $result ) ) {
 851                 $groups = array_unique(
 852                         array_map( 'trim',
 853                                 explode( ',', $row->ur_rights ) ) );
 854
 855                 foreach( $groups as $group ) {
 856                         $wgDatabase->insert( 'user_groups',
 857                                 array(
 858                                         'ug_user'  => $row->ur_user,
 859                                         'ug_group' => $group ),
 860                                 $fname );
 861                 }
 862         }
 863         $wgDatabase->freeResult( $result );
 864         wfOut( "ok\n" );
 865 }
 866
 867 function do_user_groups_reformat() {
 868         # Check for bogus formats from previous 1.5 alpha code.
 869         global $wgDatabase;
 870         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 871
 872         if( $info->type() == 'int' ) {
 873                 $oldug = $wgDatabase->tableName( 'user_groups' );
 874                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 875                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 876                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 877                 wfOut( "ok\n" );
 878
 879                 wfOut( "Re-adding fresh user_groups table... " );
 880                 $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 881                 wfOut( "ok\n" );
 882
 883                 wfOut( "***\n" );
 884                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 885                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 886                 wfOut( "***\n" );
 887         } else {
 888                 wfOut( "...user_groups is in current format.\n" );
 889         }
 890
 891 }
 892
 893 function do_watchlist_null() {
 894         # Make sure wl_notificationtimestamp can be NULL,
 895         # and update old broken items.
 896         global $wgDatabase;
 897         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 898
 899         if( !$info->nullable() ) {
 900                 wfOut( "Making wl_notificationtimestamp nullable... " );
 901                 $wgDatabase->sourceFile( archive( 'patch-watchlist-null.sql' ) );
 902                 wfOut( "ok\n" );
 903         } else {
 904                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 905         }
 906
 907 }
 908
 909 /**
 910  * @bug 3946
 911  */
 912 function do_page_random_update() {
 913         global $wgDatabase;
 914
 915         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 916
 917         $page = $wgDatabase->tableName( 'page' );
 918         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 919         $rows = $wgDatabase->affectedRows();
 920
 921         wfOut( "changed $rows rows\n" );
 922 }
 923
 924 function do_templatelinks_update() {
 925         global $wgDatabase, $wgLoadBalancer;
 926         $fname = 'do_templatelinks_update';
 927
 928         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 929                 wfOut( "...templatelinks table already exists\n" );
 930                 return;
 931         }
 932         wfOut( "Creating templatelinks table...\n" );
 933         $wgDatabase->sourceFile( archive('patch-templatelinks.sql') );
 934         wfOut( "Populating...\n" );
 935         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 936                 // Slow, replication-friendly update
 937                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 938                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 939                 $count = 0;
 940                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 941                         $count = ($count + 1) % 100;
 942                         if ( $count == 0 ) {
 943                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 944                                         wfWaitForSlaves( 10 );
 945                                 } else {
 946                                         sleep( 1 );
 947                                 }
 948                         }
 949                         $wgDatabase->insert( 'templatelinks',
 950                                 array(
 951                                         'tl_from' => $row->pl_from,
 952                                         'tl_namespace' => $row->pl_namespace,
 953                                         'tl_title' => $row->pl_title,
 954                                 ), $fname
 955                         );
 956
 957                 }
 958                 $wgDatabase->freeResult( $res );
 959         } else {
 960                 // Fast update
 961                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 962                         array(
 963                                 'tl_from' => 'pl_from',
 964                                 'tl_namespace' => 'pl_namespace',
 965                                 'tl_title' => 'pl_title'
 966                         ), array(
 967                                 'pl_namespace' => 10
 968                         ), $fname
 969                 );
 970         }
 971         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 972 }
 973
 974 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 975 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 976 function do_rc_indices_update() {
 977         global $wgDatabase;
 978         wfOut( "Checking for additional recent changes indices...\n" );
 979
 980         $indexes = array(
 981                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 982                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 983         );
 984
 985         foreach( $indexes as $index => $patch ) {
 986                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 987                 if( !$info ) {
 988                         wfOut( "...index `{$index}` not found; adding..." );
 989                         $wgDatabase->sourceFile( archive( $patch ) );
 990                         wfOut( "done.\n" );
 991                 } else {
 992                         wfOut( "...index `{$index}` seems ok.\n" );
 993                 }
 994         }
 995 }
 996
 997 function index_has_field($table, $index, $field) {
 998         global $wgDatabase;
 999         wfOut( "Checking if $table index $index includes field $field...\n" );
1000         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
1001         if( $info ) {
1002                 foreach($info as $row) {
1003                         if($row->Column_name == $field) {
1004                                 wfOut( "...index $index on table $table seems to be ok\n" );
1005                                 return true;
1006                         }
1007                 }
1008         }
1009         wfOut( "...index $index on table $table has no field $field; adding\n" );
1010         return false;
1011 }
1012
1013 function do_backlinking_indices_update() {
1014         global $wgDatabase;
1015         wfOut( "Checking for backlinking indices...\n" );
1016         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
1017                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
1018                 !index_has_field('imagelinks', 'il_to', 'il_from'))
1019         {
1020                 $wgDatabase->sourceFile( archive( 'patch-backlinkindexes.sql' ) );
1021                 wfOut( "...backlinking indices updated\n" );
1022         }
1023 }
1024
1025 function do_categorylinks_indices_update() {
1026         global $wgDatabase;
1027         wfOut( "Checking for categorylinks indices...\n" );
1028         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1029         {
1030                 $wgDatabase->sourceFile( archive( 'patch-categorylinksindex.sql' ) );
1031                 wfOut( "...categorylinks indices updated\n" );
1032         }
1033 }
1034
1035 function do_filearchive_indices_update() {
1036         global $wgDatabase;
1037         wfOut( "Checking filearchive indices...\n" );
1038         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1039         if ( !$info )
1040         {
1041                 $wgDatabase->sourceFile( archive( 'patch-filearchive-user-index.sql' ) );
1042                 wfOut( "...filearchive indices updated\n" );
1043         }
1044 }
1045
1046 function maybe_do_profiling_memory_update() {
1047         global $wgDatabase;
1048         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1049                 // Simply ignore
1050         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1051                 wfOut( "profiling table has pf_memory field.\n" );
1052         } else {
1053                 wfOut( "Adding pf_memory field to table profiling..." );
1054                 $wgDatabase->sourceFile( archive( 'patch-profiling-memory.sql' ) );
1055                 wfOut( "ok\n" );
1056         }
1057 }
1058
1059 function do_stats_init() {
1060         // Sometimes site_stats table is not properly populated.
1061         global $wgDatabase;
1062         wfOut( "Checking site_stats row..." );
1063         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1064         if( $row === false ) {
1065                 wfOut( "data is missing! rebuilding...\n" );
1066         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1067                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1068         } else {
1069                 wfOut( "ok.\n" );
1070                 return;
1071         }
1072         SiteStatsInit::doAllAndCommit( false );
1073 }
1074
1075 function do_active_users_init() {
1076         global $wgDatabase;
1077         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1078         if( $activeUsers == -1 ) {
1079                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1080                         'COUNT( DISTINCT rc_user_text )',
1081                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1082                 );
1083                 $wgDatabase->update( 'site_stats',
1084                         array( 'ss_active_users' => intval($activeUsers) ),
1085                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1086                 );
1087         }
1088         wfOut( "...ss_active_users user count set...\n" );
1089 }
1090
1091 function purge_cache() {
1092         global $wgDatabase;
1093         # We can't guarantee that the user will be able to use TRUNCATE,
1094         # but we know that DELETE is available to us
1095         wfOut( "Purging caches..." );
1096         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1097         wfOut( "done.\n" );
1098 }
1099
1100 function do_all_updates( $shared = false, $purge = true ) {
1101         global $wgNewTables, $wgExtModifiedFields, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1102
1103         wfRunHooks('LoadExtensionSchemaUpdates');
1104
1105         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1106
1107         if ($wgDBtype === 'postgres') {
1108                 do_postgres_updates();
1109                 return;
1110         }
1111
1112         # Run core updates in sequence...
1113         global $wgUpdates;
1114         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1115                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1116                         $func = array_shift( $params );
1117                         call_user_func_array( $func, $params );
1118                         flush();
1119                 }
1120         }
1121
1122         /// @fixme clean up this mess too!
1123         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1124         # Add missing extension tables
1125         foreach ( $wgExtNewTables as $tableRecord ) {
1126                 add_table( $tableRecord[0], $tableRecord[1], true );
1127                 flush();
1128         }
1129         # Add missing extension fields
1130         foreach ( $wgExtNewFields as $fieldRecord ) {
1131                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1132                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1133                 }
1134                 flush();
1135         }
1136         # Add missing extension indexes
1137         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1138                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1139                 flush();
1140         }
1141         # Add modified extension fields
1142         foreach ( $wgExtModifiedFields as $fieldRecord ) {
1143                 modify_field($fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true);
1144                 flush();
1145         }
1146
1147
1148         wfOut( "Deleting old default messages (this may take a long time!)..." );
1149         if( !defined( 'MW_NO_SETUP' ) ) {
1150                 define( 'MW_NO_SETUP', true );
1151         }
1152         require_once 'deleteDefaultMessages.php';
1153         DeleteDefaultMessages::reallyExecute();
1154         wfOut( "Done\n" );
1155
1156         do_stats_init();
1157
1158         if( $purge ) {
1159                 purge_cache();
1160         }
1161 }
1162
1163 function archive($name) {
1164         global $wgDBtype, $IP;
1165         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1166                 return "$IP/maintenance/$wgDBtype/archives/$name";
1167         } else {
1168                 return "$IP/maintenance/archives/$name";
1169         }
1170 }
1171
1172 function do_restrictions_update() {
1173         # Adding page_restrictions table, obsoleting page.page_restrictions.
1174         #  Migrating old restrictions to new table
1175         # -- Andrew Garrett, January 2007.
1176
1177         global $wgDatabase;
1178
1179         $name = 'page_restrictions';
1180         $patch = 'patch-page_restrictions.sql';
1181         $patch2 = 'patch-page_restrictions_sortkey.sql';
1182
1183         if ( $wgDatabase->tableExists( $name ) ) {
1184                 wfOut( "...$name table already exists.\n" );
1185         } else {
1186                 wfOut( "Creating $name table..." );
1187                 $wgDatabase->sourceFile( archive($patch) );
1188                 $wgDatabase->sourceFile( archive($patch2) );
1189                 wfOut( "ok\n" );
1190
1191                 wfOut( "Migrating old restrictions to new table..." );
1192
1193                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1194
1195                 $count = 0;
1196
1197                 while ($row = $wgDatabase->fetchObject($res) ) {
1198                         $count = ($count + 1) % 100;
1199
1200                         if ($count == 0) {
1201                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1202                                         wfWaitForSlaves( 10 );
1203                                 } else {
1204                                         sleep( 1 );
1205                                 }
1206                         }
1207
1208                         # Figure out what the restrictions are..
1209                         $id = $row->page_id;
1210                         $flatrestrictions = explode( ':', $row->page_restrictions );
1211
1212                         $restrictions = array ();
1213                         foreach( $flatrestrictions as $restriction ) {
1214                                 $thisrestriction = explode( '=', $restriction, 2 );
1215                                 if( count( $thisrestriction ) == 1 ) {
1216                                         // Compatibility with old protections from before
1217                                         // separate move protection was added.
1218                                         list( $level ) = $thisrestriction;
1219                                         if( $level ) {
1220                                                 $restrictions['edit'] = $level;
1221                                                 $restrictions['move'] = $level;
1222                                         }
1223                                 } else {
1224                                         list( $type, $level ) = $thisrestriction;
1225                                         if( $level ) {
1226                                                 $restrictions[$type] = $level;
1227                                         }
1228                                 }
1229
1230                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1231
1232                         }
1233
1234                         foreach( $restrictions as $type => $level ) {
1235                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1236                                                                                         'pr_type' => $type,
1237                                                                                         'pr_level' => $level,
1238                                                                                         'pr_cascade' => 0,
1239                                                                                         'pr_expiry' => 'infinity' ),
1240                                                                                         __METHOD__ );
1241                         }
1242                 }
1243                 wfOut( "ok\n" );
1244         }
1245 }
1246
1247 function do_category_population() {
1248         if( update_row_exists( 'populate category' ) ) {
1249                 wfOut( "...category table already populated.\n" );
1250                 return;
1251         }
1252         require_once( 'populateCategory.inc' );
1253         wfOut( "Populating category table, printing progress markers.  " ).
1254 "For large databases, you\n".
1255 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1256 "populateCategory.php.\n";
1257         populateCategory( '', 10, 0, true );
1258         wfOut( "Done populating category table.\n" );
1259 }
1260
1261 function do_populate_parent_id() {
1262         if( update_row_exists( 'populate rev_parent_id' ) ) {
1263                 wfOut( "...rev_parent_id column already populated.\n" );
1264                 return;
1265         }
1266         require_once( 'populateParentId.inc' );
1267
1268         global $wgDatabase;
1269         populate_rev_parent_id( $wgDatabase );
1270 }
1271
1272 function sqlite_initial_indexes() {
1273         global $wgDatabase;
1274         // initial-indexes.sql fails if the indexes are already present, so we perform a quick check if our database is newer.
1275         if ( update_row_exists( 'initial_indexes' ) || $wgDatabase->indexExists( 'user', 'user_name' ) ) {
1276                 wfOut( "...have initial indexes\n" );
1277                 return;
1278         }
1279         wfOut( "Adding initial indexes..." );
1280         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1281         wfOut( "done\n" );
1282 }
1283
1284 function do_unique_pl_tl_il() {
1285         global $wgDatabase;
1286         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1287         if( is_array($info) && !$info[0]->Non_unique ) {
1288                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1289         } else {
1290                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1291                 $wgDatabase->sourceFile( archive( 'patch-pl-tl-il-unique.sql' ) );
1292                 wfOut( "ok\n" );
1293         }
1294 }
1295
1296 function do_log_search_population() {
1297         global $wgDatabase;
1298         if( update_row_exists( 'populate log_search' ) ) {
1299                 wfOut( "...log_search table already populated.\n" );
1300                 return;
1301         }
1302         require_once( 'populateLogSearch.inc' );
1303         wfOut(
1304 "Populating log_search table, printing progress markers. For large\n" .
1305 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1306 "maintenance/populateLogSearch.php.\n" );
1307         migrate_log_params( $wgDatabase );
1308         wfOut( "Done populating log_search table.\n" );
1309 }
1310
1311 /***********************************************************************
1312  * Start PG crap
1313  * TODO: merge with above
1314  ***********************************************************************/
1315
1316 function
1317 pg_describe_table($table)
1318 {
1319 global  $wgDatabase, $wgDBmwschema;
1320         $q = <<<END
1321 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1322         WHERE pg_class.relnamespace = pg_namespace.oid
1323           AND attrelid=pg_class.oid AND attnum > 0
1324           AND relname=%s AND nspname=%s
1325 END;
1326         $res = $wgDatabase->query(sprintf($q,
1327                         $wgDatabase->addQuotes($table),
1328                         $wgDatabase->addQuotes($wgDBmwschema)));
1329         if (!$res)
1330                 return null;
1331
1332         $cols = array();
1333         while ($r = $wgDatabase->fetchRow($res)) {
1334                 $cols[] = array(
1335                                 "name" => $r[0],
1336                                 "ord" => $r[1],
1337                         );
1338         }
1339         return $cols;
1340 }
1341
1342 function
1343 pg_describe_index($idx)
1344 {
1345 global  $wgDatabase, $wgDBmwschema;
1346
1347         // first fetch the key (which is a list of columns ords) and
1348         // the table the index applies to (an oid)
1349         $q = <<<END
1350 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1351         WHERE nspname=%s
1352           AND pg_class.relnamespace = pg_namespace.oid
1353           AND relname=%s
1354           AND indexrelid=pg_class.oid
1355 END;
1356         $res = $wgDatabase->query(sprintf($q,
1357                         $wgDatabase->addQuotes($wgDBmwschema),
1358                         $wgDatabase->addQuotes($idx)));
1359         if (!$res)
1360                 return null;
1361         if (!($r = $wgDatabase->fetchRow($res))) {
1362                 $wgDatabase->freeResult($res);
1363                 return null;
1364         }
1365
1366         $indkey = $r[0];
1367         $relid = intval($r[1]);
1368         $indkeys = explode(" ", $indkey);
1369         $wgDatabase->freeResult($res);
1370
1371         $colnames = array();
1372         foreach ($indkeys as $rid) {
1373                 $query = <<<END
1374 SELECT attname FROM pg_class, pg_attribute
1375         WHERE attrelid=$relid
1376           AND attnum=%d
1377           AND attrelid=pg_class.oid
1378 END;
1379                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1380                 if (!$r2)
1381                         return null;
1382                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1383                         $wgDatabase->freeResult($r2);
1384                         return null;
1385                 }
1386                 $colnames[] = $row2[0];
1387                 $wgDatabase->freeResult($r2);
1388         }
1389
1390         return $colnames;
1391 }
1392
1393 function
1394 pg_index_exists($table, $index)
1395 {
1396 global  $wgDatabase, $wgDBmwschema;
1397         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1398                         array(  "indexname" => $index,
1399                                 "tablename" => $table,
1400                                 "schemaname" => $wgDBmwschema));
1401         return $exists === $index;
1402 }
1403
1404 function
1405 pg_sequence_exists($seq)
1406 {
1407 global $wgDatabase, $wgDBmwschema;
1408         $exists = $wgDatabase->selectField("pg_class","relname",
1409                 array( "relname" => $seq ) );
1410         return $exists === $seq;
1411 }
1412
1413 function
1414 pg_fkey_deltype($fkey)
1415 {
1416 global  $wgDatabase, $wgDBmwschema;
1417         $q = <<<END
1418 SELECT confdeltype FROM pg_constraint, pg_namespace
1419         WHERE connamespace=pg_namespace.oid
1420           AND nspname=%s
1421           AND conname=%s;
1422 END;
1423         $r = $wgDatabase->query(sprintf($q,
1424                 $wgDatabase->addQuotes($wgDBmwschema),
1425                 $wgDatabase->addQuotes($fkey)));
1426         if (!($row = $wgDatabase->fetchRow($r)))
1427                 return null;
1428         return $row[0];
1429 }
1430
1431 function
1432 pg_rule_def($table, $rule)
1433 {
1434 global  $wgDatabase, $wgDBmwschema;
1435         $q = <<<END
1436 SELECT definition FROM pg_rules
1437         WHERE schemaname = %s
1438           AND tablename = %s
1439           AND rulename = %s
1440 END;
1441         $r = $wgDatabase->query(sprintf($q,
1442                         $wgDatabase->addQuotes($wgDBmwschema),
1443                         $wgDatabase->addQuotes($table),
1444                         $wgDatabase->addQuotes($rule)));
1445         $row = $wgDatabase->fetchRow($r);
1446         if (!$row)
1447                 return null;
1448         $d = $row[0];
1449         $wgDatabase->freeResult($r);
1450         return $d;
1451 }
1452
1453 function do_postgres_updates() {
1454         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1455
1456         ## Gather version numbers in case we need them
1457         $version = $wgDatabase->getServerVersion(); ## long string
1458         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1459
1460         $wgShowExceptionDetails = 1;
1461
1462         # Just in case their LocalSettings.php does not have this:
1463         if ( !isset( $wgDBmwschema ))
1464                 $wgDBmwschema = 'mediawiki';
1465
1466         # Verify that this user is configured correctly
1467         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1468         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1469         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1470         $conf = array();
1471         foreach( explode( '*', $config ) as $c ) {
1472                 list( $x,$y ) = explode( '=', $c );
1473                 $conf[$x] = $y;
1474         }
1475         if( !array_key_exists( 'search_path', $conf ) ) {
1476                 $search_path = '';
1477         }
1478         else {
1479                 $search_path = $conf['search_path'];
1480         }
1481         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1482                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1483                 $search_path = "$wgDBmwschema, $search_path";
1484         }
1485         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1486                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1487                 $search_path = "$search_path, $wgDBts2schema";
1488         }
1489         $search_path = str_replace( ', ,', ',', $search_path);
1490         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1491                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1492                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1493         }
1494         else {
1495                 $path = $conf['search_path'];
1496                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1497         }
1498         $goodconf = array(
1499                 'client_min_messages' => 'error',
1500                 'DateStyle'           => 'ISO, YMD',
1501                 'TimeZone'            => 'GMT'
1502         );
1503         foreach( array_keys( $goodconf ) AS $key ) {
1504                 $value = $goodconf[$key];
1505                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1506                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1507                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1508                         $wgDatabase->doQuery( "SET $key = '$value'" );
1509                 }
1510                 else {
1511                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1512                 }
1513         }
1514
1515         $newsequences = array(
1516                 "logging_log_id_seq",
1517                 "page_restrictions_pr_id_seq",
1518         );
1519
1520         $newtables = array(
1521                 array("category",          "patch-category.sql"),
1522                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1523                 array("mwuser",            "patch-mwuser.sql"),
1524                 array("pagecontent",       "patch-pagecontent.sql"),
1525                 array("querycachetwo",     "patch-querycachetwo.sql"),
1526                 array("page_props",        "patch-page_props.sql"),
1527                 array("page_restrictions", "patch-page_restrictions.sql"),
1528                 array("profiling",         "patch-profiling.sql"),
1529                 array("protected_titles",  "patch-protected_titles.sql"),
1530                 array("redirect",          "patch-redirect.sql"),
1531                 array("updatelog",         "patch-updatelog.sql"),
1532                 array('change_tag',        'patch-change_tag.sql'),
1533                 array('tag_summary',       'patch-change_tag.sql'),
1534                 array('valid_tag',         'patch-change_tag.sql'),
1535                 array('user_properties',   'patch-user_properties.sql'),
1536                 array('log_search',        'patch-log_search.sql'),
1537                 array('l10n_cache',        'patch-l10n_cache.sql'),
1538         );
1539
1540         $newcols = array(
1541                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1542                 array("archive",       "ar_len",               "INTEGER"),
1543                 array("archive",       "ar_page_id",           "INTEGER"),
1544                 array("archive",       "ar_parent_id",         "INTEGER"),
1545                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1546                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1547                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1548                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1549                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1550                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1551                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1552                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1553                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1554                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1555                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1556                 array("logging",       "log_params",           "TEXT"),
1557                 array("mwuser",        "user_editcount",       "INTEGER"),
1558                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1559                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1560                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1561                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1562                 array("oldimage",      "oi_media_type",        "TEXT"),
1563                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1564                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1565                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1566                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1567                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1568                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1569                 array("recentchanges", "rc_log_action",        "TEXT"),
1570         array("recentchanges", "rc_log_type",          "TEXT"),
1571         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1572                 array("recentchanges", "rc_new_len",           "INTEGER"),
1573                 array("recentchanges", "rc_old_len",           "INTEGER"),
1574                 array("recentchanges", "rc_params",            "TEXT"),
1575                 array("redirect",      "rd_interwiki",         "TEXT NULL"),
1576                 array("redirect",      "rd_fragment",          "TEXT NULL"),
1577                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1578                 array("revision",      "rev_len",              "INTEGER"),
1579                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1580                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1581                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1582                 array("logging",       "log_user_text",        "TEXT NOT NULL DEFAULT ''"),
1583                 array("logging",       "log_page",             "INTEGER"),
1584         );
1585
1586
1587         # table, column, desired type, USING clause if needed (with new default if needed)
1588         $typechanges = array(
1589                 array("archive",      "ar_deleted",      "smallint", ""),
1590                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1591                 array("filearchive",  "fa_deleted",      "smallint", ""),
1592                 array("filearchive",  "fa_height",       "integer",  ""),
1593                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1594                 array("filearchive",  "fa_size",         "integer",  ""),
1595                 array("filearchive",  "fa_width",        "integer",  ""),
1596                 array("filearchive",  "fa_storage_group","text",     ""),
1597                 array("filearchive",  "fa_storage_key",  "text",     ""),
1598                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1599                 array("image",        "img_size",        "integer",  ""),
1600                 array("image",        "img_width",       "integer",  ""),
1601                 array("image",        "img_height",      "integer",  ""),
1602                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1603                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1604                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1605                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1606                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1607                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1608                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1609                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1610                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1611                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1612                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1613                 array("mwuser",       "user_token",      "text",     ""),
1614                 array("mwuser",       "user_email_token","text",     ""),
1615                 array("objectcache",  "keyname",         "text",     ""),
1616                 array("oldimage",     "oi_height",       "integer",  ""),
1617                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1618                 array("oldimage",     "oi_size",         "integer",  ""),
1619                 array("oldimage",     "oi_width",        "integer",  ""),
1620                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1621                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1622                 array("querycache",   "qc_value",        "integer",  ""),
1623                 array("querycachetwo","qcc_value",       "integer",  ""),
1624                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1625                 array("recentchanges","rc_deleted",      "smallint", ""),
1626                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1627                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1628                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1629                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1630                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1631                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1632                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1633                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1634         );
1635
1636         # table, column, nullability
1637         $nullchanges = array(
1638                 array("oldimage", "oi_bits",       "NULL"),
1639                 array("oldimage", "oi_timestamp",  "NULL"),
1640                 array("oldimage", "oi_major_mime", "NULL"),
1641                 array("oldimage", "oi_minor_mime", "NULL"),
1642         );
1643
1644         $newindexes = array(
1645                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1646                 array("image",         "img_sha1",           "(img_sha1)"),
1647                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1648                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1649                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1650                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1651                 array("watchlist",     "wl_user",            "(wl_user)"),
1652                 array("logging",       "logging_user_type_time", "(log_user, log_type, log_timestamp)"),
1653                 array("logging",       "logging_page_id_time",   "(log_page,log_timestamp)"),
1654         );
1655
1656         $newrules = array(
1657         );
1658
1659         foreach ($newsequences as $ns) {
1660                 if ($wgDatabase->sequenceExists($ns)) {
1661                         wfOut( "... sequence \"$ns\" already exists\n" );
1662                         continue;
1663                 }
1664
1665                 wfOut( "Creating sequence \"$ns\"\n" );
1666                 $wgDatabase->query("CREATE SEQUENCE $ns");
1667         }
1668
1669         foreach ($newtables as $nt) {
1670                 if ($wgDatabase->tableExists($nt[0])) {
1671                         wfOut( "... table \"$nt[0]\" already exists\n" );
1672                         continue;
1673                 }
1674
1675                 wfOut( "Creating table \"$nt[0]\"\n" );
1676                 $wgDatabase->sourceFile(archive($nt[1]));
1677         }
1678
1679         ## Needed before newcols
1680         if ($wgDatabase->tableExists("archive2")) {
1681                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1682                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1683                         wfOut( "Dropping rule \"archive_insert\"\n" );
1684                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1685                 }
1686                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1687                         wfOut( "Dropping rule \"archive_delete\"\n" );
1688                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1689                 }
1690                 $wgDatabase->sourceFile(archive("patch-remove-archive2.sql"));
1691         }
1692         else
1693                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1694
1695         foreach ($newcols as $nc) {
1696                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1697                 if (!is_null($fi)) {
1698                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1699                         continue;
1700                 }
1701
1702                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1703                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1704         }
1705
1706         foreach ($typechanges as $tc) {
1707                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1708                 if (is_null($fi)) {
1709                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1710                         exit(1);
1711                 }
1712
1713                 if ($fi->type() === $tc[2])
1714                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1715                 else {
1716                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1717                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1718                         if (strlen($tc[3])) {
1719                                 $default = array();
1720                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1721                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1722                                         $wgDatabase->query($sqldef);
1723                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1724                                 }
1725                                 $sql .= " USING $tc[3]";
1726                         }
1727                         $sql .= ";\nCOMMIT;\n";
1728                         $wgDatabase->query($sql);
1729                 }
1730         }
1731
1732         foreach ($nullchanges as $nc) {
1733                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1734                 if (is_null($fi)) {
1735                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1736                         exit(1);
1737                 }
1738                 if ($fi->nullable()) {
1739                         ## It's NULL - does it need to be NOT NULL?
1740                         if ('NOT NULL' === $nc[2]) {
1741                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1742                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1743                         }
1744                         else {
1745                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1746                         }
1747                 }
1748                 else {
1749                         ## It's NOT NULL - does it need to be NULL?
1750                         if ('NULL' === $nc[2]) {
1751                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1752                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1753                         }
1754                         else {
1755                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1756                         }
1757                 }
1758         }
1759
1760         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1761                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1762                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1763                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1764                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1765         }
1766         else
1767                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1768
1769
1770         foreach ($newindexes as $ni) {
1771                 if (pg_index_exists($ni[0], $ni[1])) {
1772                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1773                         continue;
1774                 }
1775                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1776                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1777         }
1778
1779         foreach ($newrules as $nr) {
1780                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1781                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1782                         continue;
1783                 }
1784                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1785                 $wgDatabase->sourceFile(archive($nr[2]));
1786         }
1787
1788         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascaded")) {
1789                 wfOut( "... table \"oldimage\" has correct cascading delete/update foreign key to image\n" );
1790         }
1791         else {
1792                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1793                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1794                 }
1795                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascade")) {
1796                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1797                 }
1798                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete/update\n" );
1799                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded ".
1800                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE ON UPDATE CASCADE" );
1801         }
1802
1803         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1804                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1805                 $wgDatabase->sourceFile(archive('patch-page_deleted.sql'));
1806         }
1807         else
1808                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1809
1810         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1811         if (!$fi->nullable()) {
1812                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1813                 $wgDatabase->sourceFile(archive('patch-rc_cur_id-not-null.sql'));
1814         }
1815         else
1816                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1817
1818         $pu = pg_describe_index("pagelink_unique");
1819         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1820                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1821                 $wgDatabase->query("DROP INDEX pagelink_unique");
1822                 $pu = null;
1823         }
1824         else
1825                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1826
1827         if (is_null($pu)) {
1828                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1829                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1830         }
1831         else
1832                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1833
1834         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1835                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1836         }
1837         else {
1838                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1839                 $wgDatabase->sourceFile(archive('patch-revision_rev_user_fkey.sql'));
1840         }
1841
1842         #Update sequence names
1843         if (pg_sequence_exists('page_restrictions_pr_id_seq')) {
1844                 wfOut( "... sequences already updated\n" );
1845         } else {
1846                 wfOut( "Updating sequence names\n" );
1847                 $wgDatabase->sourceFile(archive('patch-update_sequences.sql'));
1848         }
1849
1850         # Fix ipb_address index
1851         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1852                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1853                 $wgDatabase->query('DROP INDEX ipb_address');
1854         }
1855         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1856                 wfOut( "... have ipb_address_unique\n" );
1857         }
1858         else {
1859                 wfOut( "Adding ipb_address_unique index\n" );
1860                 $wgDatabase->sourceFile(archive('patch-ipb_address_unique.sql'));
1861         }
1862
1863         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1864         # Add missing extension tables
1865         foreach ( $wgExtNewTables as $nt ) {
1866                 if ($wgDatabase->tableExists($nt[0])) {
1867                         wfOut( "... table \"$nt[0]\" already exists\n" );
1868                         continue;
1869                 }
1870                 wfOut( "Creating table \"$nt[0]\"\n" );
1871                 $wgDatabase->sourceFile($nt[1]);
1872         }
1873         # Add missing extension fields
1874         foreach ( $wgExtPGNewFields as $nc ) {
1875                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1876                 if (!is_null($fi)) {
1877                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1878                         continue;
1879                 }
1880                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1881                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1882         }
1883         # Change altered columns
1884         foreach ( $wgExtPGAlteredFields as $nc ) {
1885                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1886                 if (is_null($fi)) {
1887                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1888                         continue;
1889                 }
1890                 $oldtype = $fi->type();
1891                 $newtype = strtolower( $nc[2] );
1892                 if ($oldtype === $newtype) {
1893                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1894                         continue;
1895                 }
1896                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1897                 if ( isset( $nc[3] ) ) {
1898                         $command .= " USING $nc[3]";
1899                 }
1900                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1901                 $wgDatabase->query( $command );
1902         }
1903         # Add missing extension indexes
1904         foreach ( $wgExtNewIndexes as $ni ) {
1905                 if (pg_index_exists($ni[0], $ni[1])) {
1906                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1907                         continue;
1908                 }
1909                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1910                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1911                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1912                 }
1913                 else {
1914                         $wgDatabase->sourceFile($ni[2]);
1915                 }
1916         }
1917
1918         # Tweak the page_title tsearch2 trigger to filter out slashes
1919         # This is create or replace, so harmless to call if not needed
1920         $wgDatabase->sourceFile(archive('patch-ts2pagetitle.sql'));
1921
1922         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1923         ## in case they have the old 'default' versions
1924         if ( $numver >= 8.3 )
1925                 $wgDatabase->sourceFile(archive('patch-tsearch2funcs.sql'));
1926
1927         ## Put a new row in the mediawiki_version table
1928         $wgDatabase->insert( 'mediawiki_version',
1929                 array(
1930                         'type' => 'Update',
1931                         'ctype' => 'U',
1932                         'mw_version' => $wgVersion,
1933                         'pg_version' => $version,
1934                         'sql_version' => '$LastChangedRevision$',
1935                         'sql_date' => '$LastChangedDate$',
1936                 ) );
1937         return;
1938 }