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                 array( 'do_update_transcache_field' ),
 169                 // A field changed name mid-release cycle, so fix it for anyone using
 170                 // trunk
 171                 array( 'rename_eu_wiki_id' ),
 172                 array( 'do_update_mime_minor_field' ),
 173                 // Should've done this back in 1.10, but better late than never:
 174                 array( 'do_populate_rev_len' ),
 175         ),
 176
 177         'sqlite' => array(
 178                 // 1.14
 179                 array( 'add_field', 'site_stats',    'ss_active_users',  'patch-ss_active_users.sql' ),
 180                 array( 'do_active_users_init' ),
 181                 array( 'add_field', 'ipblocks',      'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ),
 182                 array( 'sqlite_initial_indexes' ),
 183
 184                 // 1.15
 185                 array( 'add_table', 'change_tag',                        'patch-change_tag.sql' ),
 186                 array( 'add_table', 'tag_summary',                       'patch-change_tag.sql' ),
 187                 array( 'add_table', 'valid_tag',                         'patch-change_tag.sql' ),
 188
 189                 // 1.16
 190                 array( 'add_table', 'user_properties',                   'patch-user_properties.sql' ),
 191                 array( 'add_table', 'log_search',                        'patch-log_search.sql' ),
 192                 array( 'do_log_search_population' ),
 193                 array( 'add_field', 'logging',       'log_user_text',    'patch-log_user_text.sql' ),
 194                 array( 'add_table', 'l10n_cache',                        'patch-l10n_cache.sql' ),
 195                 array( 'add_table', 'external_user',                     'patch-external_user.sql' ),
 196                 array( 'add_index', 'log_search',    'ls_field_val',     'patch-log_search-rename-index.sql' ),
 197                 array( 'add_index', 'change_tag',    'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 198                 array( 'add_field', 'redirect',      'rd_interwiki',     'patch-rd_interwiki.sql' ),
 199                 array( 'do_update_transcache_field' ),
 200                 // version-independent searchindex setup, added in 1.16
 201                 array( 'sqlite_setup_searchindex' ),
 202         ),
 203 );
 204
 205
 206 # For extensions only, should be populated via hooks
 207 # $wgDBtype should be checked to specifiy the proper file
 208 $wgExtNewTables = array(); // table, dir
 209 $wgExtNewFields = array(); // table, column, dir
 210 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 211 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 212 $wgExtNewIndexes = array(); // table, index, dir
 213 $wgExtModifiedFields = array(); //table, index, dir
 214
 215 # Helper function: check if the given key is present in the updatelog table.
 216 # Obviously, only use this for updates that occur after the updatelog table was
 217 # created!
 218 function update_row_exists( $key ) {
 219         $dbr = wfGetDB( DB_SLAVE );
 220         $row = $dbr->selectRow(
 221                 'updatelog',
 222                 '1',
 223                 array( 'ul_key' => $key ),
 224                 __FUNCTION__
 225         );
 226         return (bool)$row;
 227 }
 228
 229 function rename_table( $from, $to, $patch ) {
 230         global $wgDatabase;
 231         if ( $wgDatabase->tableExists( $from ) ) {
 232                 if ( $wgDatabase->tableExists( $to ) ) {
 233                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 234                 } else {
 235                         wfOut( "Moving table $from to $to..." );
 236                         $wgDatabase->sourceFile( archive($patch) );
 237                         wfOut( "ok\n" );
 238                 }
 239         } else {
 240                 // Source table does not exist
 241                 // Renames are done before creations, so this is typical for a new installation
 242                 // Ignore silently
 243         }
 244 }
 245
 246 function add_table( $name, $patch, $fullpath=false ) {
 247         global $wgDatabase;
 248         if ( $wgDatabase->tableExists( $name ) ) {
 249                 wfOut( "...$name table already exists.\n" );
 250         } else {
 251                 wfOut( "Creating $name table..." );
 252                 if( $fullpath ) {
 253                         $wgDatabase->sourceFile( $patch );
 254                 } else {
 255                         $wgDatabase->sourceFile( archive($patch) );
 256                 }
 257                 wfOut( "ok\n" );
 258         }
 259 }
 260
 261 function modify_field($table, $field, $patch, $fullpath=false){
 262         global $wgDatabase;
 263         if ( !$wgDatabase->tableExists( $table ) ) {
 264                 wfOut( "...$table table does not exist, skipping modify field patch\n" );
 265         } elseif (! $wgDatabase->fieldExists( $table, $field ) ) {
 266                 wfOut( "...$field field does not exist in $table table, skipping modify field patch\n" );
 267         } else {
 268                 wfOut( "Modifying $field field of table $table..." );
 269                 if( $fullpath ) {
 270                         $wgDatabase->sourceFile( $patch );
 271                 } else {
 272                         $wgDatabase->sourceFile( archive($patch) );
 273                 }
 274                 wfOut( "ok\n" );
 275         }
 276 }
 277
 278
 279
 280 function add_field( $table, $field, $patch, $fullpath=false ) {
 281         global $wgDatabase;
 282         if ( !$wgDatabase->tableExists( $table ) ) {
 283                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 284         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 285                 wfOut( "...have $field field in $table table.\n" );
 286         } else {
 287                 wfOut( "Adding $field field to table $table..." );
 288                 if( $fullpath ) {
 289                         $wgDatabase->sourceFile( $patch );
 290                 } else {
 291                         $wgDatabase->sourceFile( archive($patch) );
 292                 }
 293                 wfOut( "ok\n" );
 294         }
 295 }
 296
 297 function add_index( $table, $index, $patch, $fullpath=false ) {
 298         global $wgDatabase;
 299         if( $wgDatabase->indexExists( $table, $index ) ) {
 300                 wfOut( "...$index key already set on $table table.\n" );
 301         } else {
 302                 wfOut( "Adding $index key to table $table... " );
 303                 if( $fullpath ) {
 304                         $wgDatabase->sourceFile( $patch );
 305                 } else {
 306                         $wgDatabase->sourceFile( archive($patch) );
 307                 }
 308                 wfOut( "ok\n" );
 309         }
 310 }
 311
 312 function do_interwiki_update() {
 313         # Check that interwiki table exists; if it doesn't source it
 314         global $wgDatabase, $IP;
 315         if( $wgDatabase->tableExists( "interwiki" ) ) {
 316                 wfOut( "...already have interwiki table\n" );
 317                 return true;
 318         }
 319         wfOut( "Creating interwiki table: " );
 320         $wgDatabase->sourceFile( archive("patch-interwiki.sql") );
 321         wfOut( "ok\n" );
 322         wfOut( "Adding default interwiki definitions: " );
 323         $wgDatabase->sourceFile( "$IP/maintenance/interwiki.sql" );
 324         wfOut( "ok\n" );
 325 }
 326
 327 function do_index_update() {
 328         # Check that proper indexes are in place
 329         global $wgDatabase;
 330         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 331         if( !$meta->isMultipleKey() ) {
 332                 wfOut( "Updating indexes to 20031107: " );
 333                 $wgDatabase->sourceFile( archive("patch-indexes.sql") );
 334                 wfOut( "ok\n" );
 335                 return true;
 336         }
 337         wfOut( "...indexes seem up to 20031107 standards\n" );
 338         return false;
 339 }
 340
 341 function do_image_index_update() {
 342         global $wgDatabase;
 343
 344         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 345         if( !$meta->isMultipleKey() ) {
 346                 wfOut( "Updating indexes to 20050912: " );
 347                 $wgDatabase->sourceFile( archive("patch-mimesearch-indexes.sql") );
 348                 wfOut( "ok\n" );
 349                 return true;
 350         }
 351         wfOut( "...indexes seem up to 20050912 standards\n" );
 352         return false;
 353 }
 354
 355 function do_image_name_unique_update() {
 356         global $wgDatabase;
 357         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 358                 wfOut( "...image primary key already set.\n" );
 359         } else {
 360                 wfOut( "Making img_name the primary key... " );
 361                 $wgDatabase->sourceFile( archive("patch-image_name_primary.sql") );
 362                 wfOut( "ok\n" );
 363         }
 364 }
 365
 366 function do_logging_timestamp_index() {
 367         global $wgDatabase;
 368         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 369                 wfOut( "...timestamp key on logging already exists.\n" );
 370         } else {
 371                 wfOut( "Adding timestamp key on logging table... " );
 372                 $wgDatabase->sourceFile( archive("patch-logging-times-index.sql") );
 373                 wfOut( "ok\n" );
 374         }
 375 }
 376
 377 function do_archive_user_index() {
 378         global $wgDatabase;
 379         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 380                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 381         } else {
 382                 wfOut( "Adding usertext,timestamp key on archive table... " );
 383                 $wgDatabase->sourceFile( archive("patch-archive-user-index.sql") );
 384                 wfOut( "ok\n" );
 385         }
 386 }
 387
 388 function do_image_user_index() {
 389         global $wgDatabase;
 390         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 391                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 392         } else {
 393                 wfOut( "Adding usertext,timestamp key on image table... " );
 394                 $wgDatabase->sourceFile( archive("patch-image-user-index.sql") );
 395                 wfOut( "ok\n" );
 396         }
 397 }
 398
 399 function do_oldimage_user_index() {
 400         global $wgDatabase;
 401         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 402                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 403         } else {
 404                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 405                 $wgDatabase->sourceFile( archive("patch-oldimage-user-index.sql") );
 406                 wfOut( "ok\n" );
 407         }
 408 }
 409
 410 function do_watchlist_update() {
 411         global $wgDatabase;
 412         $fname = 'do_watchlist_update';
 413         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 414                 wfOut( "The watchlist table is already set up for email notification.\n" );
 415         } else {
 416                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 417                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 418                 $wgDatabase->sourceFile( archive( 'patch-email-notification.sql' ) );
 419                 wfOut( "ok\n" );
 420         }
 421         # Check if we need to add talk page rows to the watchlist
 422         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 423         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 424         if ( $talk != $nontalk ) {
 425                 wfOut( "Adding missing watchlist talk page rows... " );
 426                 flush();
 427
 428                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 429                         array(
 430                                 'wl_user' => 'wl_user',
 431                                 'wl_namespace' => 'wl_namespace | 1',
 432                                 'wl_title' => 'wl_title',
 433                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 434                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 435                 wfOut( "ok\n" );
 436         } else {
 437                 wfOut( "...watchlist talk page rows already present\n" );
 438         }
 439 }
 440
 441 function do_copy_newtalk_to_watchlist() {
 442         global $wgDatabase;
 443         global $wgCommandLineMode; # this needs to be saved while getID() and getName() are called
 444
 445         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 446                 $wgDatabase->tableName( 'user_newtalk' ) );
 447         $num_newtalks=$wgDatabase->numRows($res);
 448         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 449
 450         $user = new User();
 451         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 452                 $wluser = $wgDatabase->fetchObject( $res );
 453                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 454                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 455                                 $wgDatabase->replace( 'watchlist',
 456                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 457                                         array('wl_user' => 0,
 458                                                 'wl_namespace' => NS_USER_TALK,
 459                                                 'wl_title' => $wluser->user_ip,
 460                                                 'wl_notificationtimestamp' => '19700101000000'
 461                                                 ), 'updaters.inc::do_watchlist_update2'
 462                                         );
 463                         }
 464                 } else { # normal users ... have user_ids
 465                         $user->setID($wluser->user_id);
 466                         $wgDatabase->replace( 'watchlist',
 467                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 468                                 array('wl_user' => $user->getID(),
 469                                         'wl_namespace' => NS_USER_TALK,
 470                                         'wl_title' => $user->getName(),
 471                                         'wl_notificationtimestamp' => '19700101000000'
 472                                         ), 'updaters.inc::do_watchlist_update3'
 473                                 );
 474                 }
 475         }
 476         wfOut( "Done.\n" );
 477 }
 478
 479
 480 function do_user_update() {
 481         global $wgDatabase;
 482         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 483                 wfOut( "User table contains old email authentication field. Dropping... " );
 484                 $wgDatabase->sourceFile( archive( 'patch-email-authentication.sql' ) );
 485                 wfOut( "ok\n" );
 486         } else {
 487                 wfOut( "...user table does not contain old email authentication field.\n" );
 488         }
 489 }
 490
 491 /**
 492  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 493  * which causes a collation mismatch error on joins in MySQL 4.1.
 494  */
 495 function check_bin( $table, $field, $patchFile ) {
 496         global $wgDatabase, $wgDBtype;
 497         if ($wgDBtype != 'mysql')
 498                 return;
 499         $tableName = $wgDatabase->tableName( $table );
 500         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 501         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 502         $wgDatabase->freeResult( $res );
 503
 504         if( in_array( 'binary', $flags ) ) {
 505                 wfOut( "$table table has correct $field encoding.\n" );
 506         } else {
 507                 wfOut( "Fixing $field encoding on $table table... " );
 508                 $wgDatabase->sourceFile( archive( $patchFile ) );
 509                 wfOut( "ok\n" );
 510         }
 511 }
 512
 513 function do_schema_restructuring() {
 514         global $wgDatabase;
 515         $fname="do_schema_restructuring";
 516         if ( $wgDatabase->tableExists( 'page' ) ) {
 517                 wfOut( "...page table already exists.\n" );
 518         } else {
 519                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 520                 wfOut( wfTimestamp( TS_DB ) );
 521                 wfOut( "......checking for duplicate entries.\n" );
 522
 523                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 524
 525                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 526                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 527
 528                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 529                         wfOut( wfTimestamp( TS_DB ) );
 530                         wfOut( "......<b>Found duplicate entries</b>\n" );
 531                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 532                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 533                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 534                                         $duplicate[$row->cur_namespace] = array();
 535                                 }
 536                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 537                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 538                         }
 539                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 540                         $firstCond = true;
 541                         foreach ( $duplicate as $ns => $titles ) {
 542                                 if ( $firstCond ) {
 543                                         $firstCond = false;
 544                                 } else {
 545                                         $sql .= ' OR ';
 546                                 }
 547                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 548                                 $first = true;
 549                                 foreach ( $titles as $t ) {
 550                                         if ( $first ) {
 551                                                 $sql .= $wgDatabase->addQuotes( $t );
 552                                                 $first = false;
 553                                         } else {
 554                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 555                                         }
 556                                 }
 557                                 $sql .= ") ) \n";
 558                         }
 559                         # By sorting descending, the most recent entry will be the first in the list.
 560                         # All following entries will be deleted by the next while-loop.
 561                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 562
 563                         $rows = $wgDatabase->query( $sql, $fname );
 564
 565                         $prev_title = $prev_namespace = false;
 566                         $deleteId = array();
 567
 568                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 569                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 570                                         $deleteId[] = $row->cur_id;
 571                                 }
 572                                 $prev_title     = $row->cur_title;
 573                                 $prev_namespace = $row->cur_namespace;
 574                         }
 575                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 576                         $rows = $wgDatabase->query( $sql, $fname );
 577                         wfOut( wfTimestamp( TS_DB ) );
 578                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 579                 }
 580
 581
 582                 wfOut( wfTimestamp( TS_DB ) );
 583                 wfOut( "......Creating tables.\n" );
 584                 $wgDatabase->query("CREATE TABLE $page (
 585                         page_id int(8) unsigned NOT NULL auto_increment,
 586                         page_namespace int NOT NULL,
 587                         page_title varchar(255) binary NOT NULL,
 588                         page_restrictions tinyblob NOT NULL,
 589                         page_counter bigint(20) unsigned NOT NULL default '0',
 590                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 591                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 592                         page_random real unsigned NOT NULL,
 593                         page_touched char(14) binary NOT NULL default '',
 594                         page_latest int(8) unsigned NOT NULL,
 595                         page_len int(8) unsigned NOT NULL,
 596
 597                         PRIMARY KEY page_id (page_id),
 598                         UNIQUE INDEX name_title (page_namespace,page_title),
 599                         INDEX (page_random),
 600                         INDEX (page_len)
 601                         ) ENGINE=InnoDB", $fname );
 602                 $wgDatabase->query("CREATE TABLE $revision (
 603                         rev_id int(8) unsigned NOT NULL auto_increment,
 604                         rev_page int(8) unsigned NOT NULL,
 605                         rev_comment tinyblob NOT NULL,
 606                         rev_user int(5) unsigned NOT NULL default '0',
 607                         rev_user_text varchar(255) binary NOT NULL default '',
 608                         rev_timestamp char(14) binary NOT NULL default '',
 609                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 610                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 611                         rev_len int(8) unsigned,
 612                         rev_parent_id int(8) unsigned default NULL,
 613                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 614                         UNIQUE INDEX rev_id (rev_id),
 615                         INDEX rev_timestamp (rev_timestamp),
 616                         INDEX page_timestamp (rev_page,rev_timestamp),
 617                         INDEX user_timestamp (rev_user,rev_timestamp),
 618                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 619                         ) ENGINE=InnoDB", $fname );
 620
 621                 wfOut( wfTimestamp( TS_DB ) );
 622                 wfOut( "......Locking tables.\n" );
 623                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 624
 625                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 626                 wfOut( wfTimestamp( TS_DB ) );
 627                 wfOut( "......maxold is {$maxold}\n" );
 628
 629                 wfOut( wfTimestamp( TS_DB ) );
 630                 global $wgLegacySchemaConversion;
 631                 if( $wgLegacySchemaConversion ) {
 632                         // Create HistoryBlobCurStub entries.
 633                         // Text will be pulled from the leftover 'cur' table at runtime.
 634                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 635                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 636                         $cur_flags = "'object'";
 637                 } else {
 638                         // Copy all cur text in immediately: this may take longer but avoids
 639                         // having to keep an extra table around.
 640                         wfOut( "......Moving text from cur.\n" );
 641                         $cur_text = 'cur_text';
 642                         $cur_flags = "''";
 643                 }
 644                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 645                                         old_timestamp, old_minor_edit, old_flags)
 646                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 647                         FROM $cur", $fname );
 648
 649                 wfOut( wfTimestamp( TS_DB ) );
 650                 wfOut( "......Setting up revision table.\n" );
 651                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 652                                 rev_minor_edit)
 653                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 654                                 old_timestamp, old_minor_edit
 655                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 656
 657                 wfOut( wfTimestamp( TS_DB ) );
 658                 wfOut( "......Setting up page table.\n" );
 659                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 660                         page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 661                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 662                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 663                         FROM $cur,$revision
 664                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 665
 666                 wfOut( wfTimestamp( TS_DB ) );
 667                 wfOut( "......Unlocking tables.\n" );
 668                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 669
 670                 wfOut( wfTimestamp( TS_DB ) );
 671                 wfOut( "......Renaming old.\n" );
 672                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 673
 674                 wfOut( wfTimestamp( TS_DB ) );
 675                 wfOut( "...done.\n" );
 676         }
 677 }
 678
 679 function do_inverse_timestamp() {
 680         global $wgDatabase;
 681         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 682                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 683                 $wgDatabase->sourceFile( archive( 'patch-inverse_timestamp.sql' ) );
 684                 wfOut( "ok\n" );
 685         } else {
 686                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 687         }
 688 }
 689
 690 function do_text_id() {
 691         global $wgDatabase;
 692         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 693                 wfOut( "...rev_text_id already in place.\n" );
 694         } else {
 695                 wfOut( "Adding rev_text_id field... " );
 696                 $wgDatabase->sourceFile( archive( 'patch-rev_text_id.sql' ) );
 697                 wfOut( "ok\n" );
 698         }
 699 }
 700
 701 function do_namespace_size() {
 702         $tables = array(
 703                 'page'          => 'page',
 704                 'archive'       => 'ar',
 705                 'recentchanges' => 'rc',
 706                 'watchlist'     => 'wl',
 707                 'querycache'    => 'qc',
 708                 'logging'       => 'log',
 709         );
 710         foreach( $tables as $table => $prefix ) {
 711                 do_namespace_size_on( $table, $prefix );
 712                 flush();
 713         }
 714 }
 715
 716 function do_namespace_size_on( $table, $prefix ) {
 717         global $wgDatabase, $wgDBtype;
 718         if ($wgDBtype != 'mysql')
 719                 return;
 720         $field = $prefix . '_namespace';
 721
 722         $tablename = $wgDatabase->tableName( $table );
 723         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 724         $info = $wgDatabase->fetchObject( $result );
 725         $wgDatabase->freeResult( $result );
 726
 727         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 728                 wfOut( "...$field is already a full int ($info->Type).\n" );
 729         } else {
 730                 wfOut( "Promoting $field from $info->Type to int... " );
 731
 732                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 733                 $wgDatabase->query( $sql );
 734
 735                 wfOut( "ok\n" );
 736         }
 737 }
 738
 739 function do_pagelinks_update() {
 740         global $wgDatabase;
 741         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 742                 wfOut( "...already have pagelinks table.\n" );
 743         } else {
 744                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 745                 $wgDatabase->sourceFile( archive( 'patch-pagelinks.sql' ) );
 746                 wfOut( "ok\n" );
 747                 flush();
 748
 749                 global $wgCanonicalNamespaceNames;
 750                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 751                         if( $ns != 0 ) {
 752                                 do_pagelinks_namespace( $ns );
 753                         }
 754                 }
 755         }
 756 }
 757
 758 function do_pagelinks_namespace( $namespace ) {
 759         global $wgDatabase, $wgContLang;
 760
 761         $ns = intval( $namespace );
 762         wfOut( "Cleaning up broken links for namespace $ns... " );
 763
 764         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 765         $name = $wgContLang->getNsText( $ns );
 766         $prefix = $wgDatabase->strencode( $name );
 767         $likeprefix = str_replace( '_', '\\_', $prefix);
 768
 769         $sql = "UPDATE $pagelinks
 770                    SET pl_namespace=$ns,
 771                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 772                  WHERE pl_namespace=0
 773                    AND pl_title LIKE '$likeprefix:%'";
 774
 775         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 776         wfOut( "ok\n" );
 777 }
 778
 779 function do_drop_img_type() {
 780         global $wgDatabase;
 781
 782         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 783                 wfOut( "Dropping unused img_type field in image table... " );
 784                 $wgDatabase->sourceFile( archive( 'patch-drop_img_type.sql' ) );
 785                 wfOut( "ok\n" );
 786         } else {
 787                 wfOut( "No img_type field in image table; Good.\n" );
 788         }
 789 }
 790
 791 function do_old_links_update() {
 792         global $wgDatabase;
 793         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 794                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 795         } else {
 796                 convertLinks(); flush();
 797         }
 798 }
 799
 800 function fix_ancient_imagelinks() {
 801         global $wgDatabase;
 802         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 803         if ( $info && $info->type() === 'string' ) {
 804                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 805                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 806                 $wgDatabase->sourceFile( archive( 'patch-fix-il_from.sql' ) );
 807                 wfOut( "ok\n" );
 808         } else {
 809                 wfOut( "...il_from OK\n" );
 810         }
 811 }
 812
 813 function do_user_unique_update() {
 814         global $wgDatabase;
 815         $duper = new UserDupes( $wgDatabase );
 816         if( $duper->hasUniqueIndex() ) {
 817                 wfOut( "Already have unique user_name index.\n" );
 818         } else {
 819                 if( !$duper->clearDupes() ) {
 820                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 821                 }
 822                 wfOut( "Adding unique index on user_name... " );
 823                 $wgDatabase->sourceFile( archive( 'patch-user_nameindex.sql' ) );
 824                 wfOut( "ok\n" );
 825         }
 826 }
 827
 828 function do_user_groups_update() {
 829         $fname = 'do_user_groups_update';
 830         global $wgDatabase;
 831
 832         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 833                 wfOut( "...user_groups table already exists.\n" );
 834                 return do_user_groups_reformat();
 835         }
 836
 837         wfOut( "Adding user_groups table... " );
 838         $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 839         wfOut( "ok\n" );
 840
 841         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 842                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 843                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 844                         $wgDatabase->sourceFile( archive( 'patch-user_rights.sql' ) );
 845                         wfOut( "ok\n" );
 846                 } else {
 847                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 848                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 849                         wfOut( "*** the user_groups table.\n" );
 850                         return;
 851                 }
 852         }
 853
 854         wfOut( "Converting user_rights table to user_groups... " );
 855         $result = $wgDatabase->select( 'user_rights',
 856                 array( 'ur_user', 'ur_rights' ),
 857                 array( "ur_rights != ''" ),
 858                 $fname );
 859
 860         while( $row = $wgDatabase->fetchObject( $result ) ) {
 861                 $groups = array_unique(
 862                         array_map( 'trim',
 863                                 explode( ',', $row->ur_rights ) ) );
 864
 865                 foreach( $groups as $group ) {
 866                         $wgDatabase->insert( 'user_groups',
 867                                 array(
 868                                         'ug_user'  => $row->ur_user,
 869                                         'ug_group' => $group ),
 870                                 $fname );
 871                 }
 872         }
 873         $wgDatabase->freeResult( $result );
 874         wfOut( "ok\n" );
 875 }
 876
 877 function do_user_groups_reformat() {
 878         # Check for bogus formats from previous 1.5 alpha code.
 879         global $wgDatabase;
 880         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 881
 882         if( $info->type() == 'int' ) {
 883                 $oldug = $wgDatabase->tableName( 'user_groups' );
 884                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 885                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 886                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 887                 wfOut( "ok\n" );
 888
 889                 wfOut( "Re-adding fresh user_groups table... " );
 890                 $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 891                 wfOut( "ok\n" );
 892
 893                 wfOut( "***\n" );
 894                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 895                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 896                 wfOut( "***\n" );
 897         } else {
 898                 wfOut( "...user_groups is in current format.\n" );
 899         }
 900
 901 }
 902
 903 function do_watchlist_null() {
 904         # Make sure wl_notificationtimestamp can be NULL,
 905         # and update old broken items.
 906         global $wgDatabase;
 907         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 908
 909         if( !$info->nullable() ) {
 910                 wfOut( "Making wl_notificationtimestamp nullable... " );
 911                 $wgDatabase->sourceFile( archive( 'patch-watchlist-null.sql' ) );
 912                 wfOut( "ok\n" );
 913         } else {
 914                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 915         }
 916
 917 }
 918
 919 /**
 920  * @bug 3946
 921  */
 922 function do_page_random_update() {
 923         global $wgDatabase;
 924
 925         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 926
 927         $page = $wgDatabase->tableName( 'page' );
 928         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 929         $rows = $wgDatabase->affectedRows();
 930
 931         wfOut( "changed $rows rows\n" );
 932 }
 933
 934 function do_templatelinks_update() {
 935         global $wgDatabase, $wgLoadBalancer;
 936         $fname = 'do_templatelinks_update';
 937
 938         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 939                 wfOut( "...templatelinks table already exists\n" );
 940                 return;
 941         }
 942         wfOut( "Creating templatelinks table...\n" );
 943         $wgDatabase->sourceFile( archive('patch-templatelinks.sql') );
 944         wfOut( "Populating...\n" );
 945         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 946                 // Slow, replication-friendly update
 947                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 948                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 949                 $count = 0;
 950                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 951                         $count = ($count + 1) % 100;
 952                         if ( $count == 0 ) {
 953                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 954                                         wfWaitForSlaves( 10 );
 955                                 } else {
 956                                         sleep( 1 );
 957                                 }
 958                         }
 959                         $wgDatabase->insert( 'templatelinks',
 960                                 array(
 961                                         'tl_from' => $row->pl_from,
 962                                         'tl_namespace' => $row->pl_namespace,
 963                                         'tl_title' => $row->pl_title,
 964                                 ), $fname
 965                         );
 966
 967                 }
 968                 $wgDatabase->freeResult( $res );
 969         } else {
 970                 // Fast update
 971                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 972                         array(
 973                                 'tl_from' => 'pl_from',
 974                                 'tl_namespace' => 'pl_namespace',
 975                                 'tl_title' => 'pl_title'
 976                         ), array(
 977                                 'pl_namespace' => 10
 978                         ), $fname
 979                 );
 980         }
 981         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 982 }
 983
 984 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 985 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 986 function do_rc_indices_update() {
 987         global $wgDatabase;
 988         wfOut( "Checking for additional recent changes indices...\n" );
 989
 990         $indexes = array(
 991                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 992                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 993         );
 994
 995         foreach( $indexes as $index => $patch ) {
 996                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 997                 if( !$info ) {
 998                         wfOut( "...index `{$index}` not found; adding..." );
 999                         $wgDatabase->sourceFile( archive( $patch ) );
1000                         wfOut( "done.\n" );
1001                 } else {
1002                         wfOut( "...index `{$index}` seems ok.\n" );
1003                 }
1004         }
1005 }
1006
1007 function index_has_field($table, $index, $field) {
1008         global $wgDatabase;
1009         wfOut( "Checking if $table index $index includes field $field...\n" );
1010         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
1011         if( $info ) {
1012                 foreach($info as $row) {
1013                         if($row->Column_name == $field) {
1014                                 wfOut( "...index $index on table $table seems to be ok\n" );
1015                                 return true;
1016                         }
1017                 }
1018         }
1019         wfOut( "...index $index on table $table has no field $field; adding\n" );
1020         return false;
1021 }
1022
1023 function do_backlinking_indices_update() {
1024         global $wgDatabase;
1025         wfOut( "Checking for backlinking indices...\n" );
1026         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
1027                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
1028                 !index_has_field('imagelinks', 'il_to', 'il_from'))
1029         {
1030                 $wgDatabase->sourceFile( archive( 'patch-backlinkindexes.sql' ) );
1031                 wfOut( "...backlinking indices updated\n" );
1032         }
1033 }
1034
1035 function do_categorylinks_indices_update() {
1036         global $wgDatabase;
1037         wfOut( "Checking for categorylinks indices...\n" );
1038         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1039         {
1040                 $wgDatabase->sourceFile( archive( 'patch-categorylinksindex.sql' ) );
1041                 wfOut( "...categorylinks indices updated\n" );
1042         }
1043 }
1044
1045 function do_filearchive_indices_update() {
1046         global $wgDatabase;
1047         wfOut( "Checking filearchive indices...\n" );
1048         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1049         if ( !$info )
1050         {
1051                 $wgDatabase->sourceFile( archive( 'patch-filearchive-user-index.sql' ) );
1052                 wfOut( "...filearchive indices updated\n" );
1053         }
1054 }
1055
1056 function maybe_do_profiling_memory_update() {
1057         global $wgDatabase;
1058         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1059                 // Simply ignore
1060         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1061                 wfOut( "profiling table has pf_memory field.\n" );
1062         } else {
1063                 wfOut( "Adding pf_memory field to table profiling..." );
1064                 $wgDatabase->sourceFile( archive( 'patch-profiling-memory.sql' ) );
1065                 wfOut( "ok\n" );
1066         }
1067 }
1068
1069 function do_stats_init() {
1070         // Sometimes site_stats table is not properly populated.
1071         global $wgDatabase;
1072         wfOut( "Checking site_stats row..." );
1073         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1074         if( $row === false ) {
1075                 wfOut( "data is missing! rebuilding...\n" );
1076         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1077                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1078         } else {
1079                 wfOut( "ok.\n" );
1080                 return;
1081         }
1082         SiteStatsInit::doAllAndCommit( false );
1083 }
1084
1085 function do_active_users_init() {
1086         global $wgDatabase;
1087         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1088         if( $activeUsers == -1 ) {
1089                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1090                         'COUNT( DISTINCT rc_user_text )',
1091                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1092                 );
1093                 $wgDatabase->update( 'site_stats',
1094                         array( 'ss_active_users' => intval($activeUsers) ),
1095                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1096                 );
1097         }
1098         wfOut( "...ss_active_users user count set...\n" );
1099 }
1100
1101 function purge_cache() {
1102         global $wgDatabase;
1103         # We can't guarantee that the user will be able to use TRUNCATE,
1104         # but we know that DELETE is available to us
1105         wfOut( "Purging caches..." );
1106         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1107         wfOut( "done.\n" );
1108 }
1109
1110 function do_all_updates( $shared = false, $purge = true ) {
1111         global $wgNewTables, $wgExtModifiedFields, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1112
1113         wfRunHooks('LoadExtensionSchemaUpdates');
1114
1115         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1116
1117         if ($wgDBtype === 'postgres') {
1118                 do_postgres_updates();
1119                 return;
1120         }
1121
1122         # Run core updates in sequence...
1123         global $wgUpdates;
1124         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1125                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1126                         $func = array_shift( $params );
1127                         call_user_func_array( $func, $params );
1128                         flush();
1129                 }
1130         }
1131
1132         /// @fixme clean up this mess too!
1133         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1134         # Add missing extension tables
1135         foreach ( $wgExtNewTables as $tableRecord ) {
1136                 add_table( $tableRecord[0], $tableRecord[1], true );
1137                 flush();
1138         }
1139         # Add missing extension fields
1140         foreach ( $wgExtNewFields as $fieldRecord ) {
1141                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1142                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1143                 }
1144                 flush();
1145         }
1146         # Add missing extension indexes
1147         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1148                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1149                 flush();
1150         }
1151         # Add modified extension fields
1152         foreach ( $wgExtModifiedFields as $fieldRecord ) {
1153                 modify_field($fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true);
1154                 flush();
1155         }
1156
1157
1158         wfOut( "Deleting old default messages (this may take a long time!)..." );
1159         if( !defined( 'MW_NO_SETUP' ) ) {
1160                 define( 'MW_NO_SETUP', true );
1161         }
1162         require_once 'deleteDefaultMessages.php';
1163         DeleteDefaultMessages::reallyExecute();
1164         wfOut( "Done\n" );
1165
1166         do_stats_init();
1167
1168         if( $purge ) {
1169                 purge_cache();
1170         }
1171 }
1172
1173 function archive($name) {
1174         global $wgDBtype, $IP;
1175         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1176                 return "$IP/maintenance/$wgDBtype/archives/$name";
1177         } else {
1178                 return "$IP/maintenance/archives/$name";
1179         }
1180 }
1181
1182 function do_restrictions_update() {
1183         # Adding page_restrictions table, obsoleting page.page_restrictions.
1184         #  Migrating old restrictions to new table
1185         # -- Andrew Garrett, January 2007.
1186
1187         global $wgDatabase;
1188
1189         $name = 'page_restrictions';
1190         $patch = 'patch-page_restrictions.sql';
1191         $patch2 = 'patch-page_restrictions_sortkey.sql';
1192
1193         if ( $wgDatabase->tableExists( $name ) ) {
1194                 wfOut( "...$name table already exists.\n" );
1195         } else {
1196                 wfOut( "Creating $name table..." );
1197                 $wgDatabase->sourceFile( archive($patch) );
1198                 $wgDatabase->sourceFile( archive($patch2) );
1199                 wfOut( "ok\n" );
1200
1201                 wfOut( "Migrating old restrictions to new table..." );
1202
1203                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1204
1205                 $count = 0;
1206
1207                 while ($row = $wgDatabase->fetchObject($res) ) {
1208                         $count = ($count + 1) % 100;
1209
1210                         if ($count == 0) {
1211                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1212                                         wfWaitForSlaves( 10 );
1213                                 } else {
1214                                         sleep( 1 );
1215                                 }
1216                         }
1217
1218                         # Figure out what the restrictions are..
1219                         $id = $row->page_id;
1220                         $flatrestrictions = explode( ':', $row->page_restrictions );
1221
1222                         $restrictions = array ();
1223                         foreach( $flatrestrictions as $restriction ) {
1224                                 $thisrestriction = explode( '=', $restriction, 2 );
1225                                 if( count( $thisrestriction ) == 1 ) {
1226                                         // Compatibility with old protections from before
1227                                         // separate move protection was added.
1228                                         list( $level ) = $thisrestriction;
1229                                         if( $level ) {
1230                                                 $restrictions['edit'] = $level;
1231                                                 $restrictions['move'] = $level;
1232                                         }
1233                                 } else {
1234                                         list( $type, $level ) = $thisrestriction;
1235                                         if( $level ) {
1236                                                 $restrictions[$type] = $level;
1237                                         }
1238                                 }
1239
1240                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1241
1242                         }
1243
1244                         foreach( $restrictions as $type => $level ) {
1245                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1246                                                                                         'pr_type' => $type,
1247                                                                                         'pr_level' => $level,
1248                                                                                         'pr_cascade' => 0,
1249                                                                                         'pr_expiry' => 'infinity' ),
1250                                                                                         __METHOD__ );
1251                         }
1252                 }
1253                 wfOut( "ok\n" );
1254         }
1255 }
1256
1257 function do_category_population() {
1258         if( update_row_exists( 'populate category' ) ) {
1259                 wfOut( "...category table already populated.\n" );
1260                 return;
1261         }
1262         require_once( 'populateCategory.php' );
1263         wfOut( "Populating category table, printing progress markers.  " ).
1264 "For large databases, you\n".
1265 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1266 "populateCategory.php.\n";
1267         $task = new PopulateCategory();
1268         $task->execute();
1269         wfOut( "Done populating category table.\n" );
1270 }
1271
1272 function do_populate_parent_id() {
1273         if( update_row_exists( 'populate rev_parent_id' ) ) {
1274                 wfOut( "...rev_parent_id column already populated.\n" );
1275                 return;
1276         }
1277         require_once( 'populateParentId.php' );
1278         $task = new PopulateParentId();
1279         $task->execute();
1280 }
1281
1282 function do_populate_rev_len() {
1283         if( update_row_exists( 'populate rev_len' ) ) {
1284                 wfOut( "...rev_len column already populated.\n" );
1285                 return;
1286         }
1287         require_once( 'populateRevisionLength.php' );
1288         $task = new PopulateRevisionLength();
1289         $task->execute();
1290 }
1291
1292 function sqlite_initial_indexes() {
1293         global $wgDatabase;
1294         // initial-indexes.sql fails if the indexes are already present, so we perform a quick check if our database is newer.
1295         if ( update_row_exists( 'initial_indexes' ) || $wgDatabase->indexExists( 'user', 'user_name' ) ) {
1296                 wfOut( "...have initial indexes\n" );
1297                 return;
1298         }
1299         wfOut( "Adding initial indexes..." );
1300         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1301         wfOut( "done\n" );
1302 }
1303
1304 function sqlite_setup_searchindex() {
1305         global $wgDatabase;
1306         $module = $wgDatabase->getFulltextSearchModule();
1307         $fts3tTable = update_row_exists( 'fts3' );
1308         if ( $fts3tTable &&  !$module ) {
1309                 wfOut( '...PHP is missing FTS3 support, downgrading tables...' );
1310                 $wgDatabase->sourceFile( archive( 'searchindex-no-fts.sql' ) );
1311                 wfOut( "done\n" );
1312         } elseif ( !$fts3tTable && $module == 'FTS3' ) {
1313                 wfOut( '...adding FTS3 search capabilities...' );
1314                 $wgDatabase->sourceFile( archive( 'searchindex-fts3.sql' ) );
1315                 wfOut( "done\n" );
1316         } else {
1317                 wfOut( "...fulltext search table appears to be in order.\n" );
1318         }
1319 }
1320
1321 function do_unique_pl_tl_il() {
1322         global $wgDatabase;
1323         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1324         if( is_array($info) && !$info[0]->Non_unique ) {
1325                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1326         } else {
1327                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1328                 $wgDatabase->sourceFile( archive( 'patch-pl-tl-il-unique.sql' ) );
1329                 wfOut( "ok\n" );
1330         }
1331 }
1332
1333 function do_log_search_population() {
1334         global $wgDatabase;
1335         if( update_row_exists( 'populate log_search' ) ) {
1336                 wfOut( "...log_search table already populated.\n" );
1337                 return;
1338         }
1339         require_once( 'populateLogSearch.php' );
1340         wfOut(
1341 "Populating log_search table, printing progress markers. For large\n" .
1342 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1343 "maintenance/populateLogSearch.php.\n" );
1344         $task = new PopulateLogSearch();
1345         $task->execute();
1346         wfOut( "Done populating log_search table.\n" );
1347 }
1348
1349 function rename_eu_wiki_id() {
1350         global $wgDatabase;
1351         wfOut( "Renaming eu_wiki_id -> eu_local_id... " );
1352         if ( $wgDatabase->fieldExists( 'external_user', 'eu_local_id' ) ) {
1353                 wfOut( "already done.\n" );
1354                 return;
1355         }
1356         $wgDatabase->sourceFile( archive( 'patch-eu_local_id.sql' ) );
1357         wfOut( "ok\n" );
1358 }
1359
1360 function do_update_transcache_field() {
1361         global $wgDatabase;
1362         if( update_row_exists( 'convert transcache field' ) ) {
1363                 wfOut( "...transcache tc_time already converted.\n" );
1364                 return;
1365         } else {
1366                 wfOut( "Converting tc_time from UNIX epoch to MediaWiki timestamp... " );
1367                 $wgDatabase->sourceFile( archive( 'patch-tc-timestamp.sql' ) );
1368                 wfOut( "ok\n" );
1369         }
1370 }
1371
1372 function do_update_mime_minor_field() {
1373         if ( update_row_exists( 'mime_minor_length' ) ) {
1374                 wfOut( "*_mime_minor fields are already long enough.\n" );
1375         } else {
1376                 global $wgDatabase;
1377                 wfOut( "Altering all *_mime_minor fields to 100 bytes in size ... " );
1378                 $wgDatabase->sourceFile( archive( 'patch-mime_minor_length.sql' ) );
1379                 wfOut( "ok\n" );
1380         }
1381 }
1382
1383
1384
1385 /***********************************************************************
1386  * Start PG stuff
1387  * TODO: merge with above
1388  ***********************************************************************/
1389
1390 function pg_describe_table($table) {
1391         global $wgDatabase, $wgDBmwschema;
1392         $q = <<<END
1393 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1394         WHERE pg_class.relnamespace = pg_namespace.oid
1395           AND attrelid=pg_class.oid AND attnum > 0
1396           AND relname=%s AND nspname=%s
1397 END;
1398         $res = $wgDatabase->query(sprintf($q,
1399                         $wgDatabase->addQuotes($table),
1400                         $wgDatabase->addQuotes($wgDBmwschema)));
1401         if (!$res)
1402                 return null;
1403
1404         $cols = array();
1405         while ($r = $wgDatabase->fetchRow($res)) {
1406                 $cols[] = array(
1407                                 "name" => $r[0],
1408                                 "ord" => $r[1],
1409                         );
1410         }
1411         return $cols;
1412 }
1413
1414 function pg_describe_index($idx) {
1415         global $wgDatabase, $wgDBmwschema;
1416
1417         // first fetch the key (which is a list of columns ords) and
1418         // the table the index applies to (an oid)
1419         $q = <<<END
1420 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1421         WHERE nspname=%s
1422           AND pg_class.relnamespace = pg_namespace.oid
1423           AND relname=%s
1424           AND indexrelid=pg_class.oid
1425 END;
1426         $res = $wgDatabase->query(sprintf($q,
1427                         $wgDatabase->addQuotes($wgDBmwschema),
1428                         $wgDatabase->addQuotes($idx)));
1429         if (!$res)
1430                 return null;
1431         if (!($r = $wgDatabase->fetchRow($res))) {
1432                 $wgDatabase->freeResult($res);
1433                 return null;
1434         }
1435
1436         $indkey = $r[0];
1437         $relid = intval($r[1]);
1438         $indkeys = explode(" ", $indkey);
1439         $wgDatabase->freeResult($res);
1440
1441         $colnames = array();
1442         foreach ($indkeys as $rid) {
1443                 $query = <<<END
1444 SELECT attname FROM pg_class, pg_attribute
1445         WHERE attrelid=$relid
1446           AND attnum=%d
1447           AND attrelid=pg_class.oid
1448 END;
1449                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1450                 if (!$r2)
1451                         return null;
1452                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1453                         $wgDatabase->freeResult($r2);
1454                         return null;
1455                 }
1456                 $colnames[] = $row2[0];
1457                 $wgDatabase->freeResult($r2);
1458         }
1459
1460         return $colnames;
1461 }
1462
1463 function pg_index_exists($table, $index) {
1464         global $wgDatabase, $wgDBmwschema;
1465         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1466                         array(  "indexname" => $index,
1467                                 "tablename" => $table,
1468                                 "schemaname" => $wgDBmwschema));
1469         return $exists === $index;
1470 }
1471
1472 function pg_fkey_deltype($fkey) {
1473         global $wgDatabase, $wgDBmwschema;
1474         $q = <<<END
1475 SELECT confdeltype FROM pg_constraint, pg_namespace
1476         WHERE connamespace=pg_namespace.oid
1477           AND nspname=%s
1478           AND conname=%s;
1479 END;
1480         $r = $wgDatabase->query(sprintf($q,
1481                 $wgDatabase->addQuotes($wgDBmwschema),
1482                 $wgDatabase->addQuotes($fkey)));
1483         if (!($row = $wgDatabase->fetchRow($r)))
1484                 return null;
1485         return $row[0];
1486 }
1487
1488 function pg_rule_def($table, $rule) {
1489         global $wgDatabase, $wgDBmwschema;
1490         $q = <<<END
1491 SELECT definition FROM pg_rules
1492         WHERE schemaname = %s
1493           AND tablename = %s
1494           AND rulename = %s
1495 END;
1496         $r = $wgDatabase->query(sprintf($q,
1497                         $wgDatabase->addQuotes($wgDBmwschema),
1498                         $wgDatabase->addQuotes($table),
1499                         $wgDatabase->addQuotes($rule)));
1500         $row = $wgDatabase->fetchRow($r);
1501         if (!$row)
1502                 return null;
1503         $d = $row[0];
1504         $wgDatabase->freeResult($r);
1505         return $d;
1506 }
1507
1508 function do_postgres_updates() {
1509         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1510
1511         ## Gather version numbers in case we need them
1512         $version = $wgDatabase->getServerVersion(); ## long string
1513         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1514
1515         $wgShowExceptionDetails = 1;
1516
1517         # Just in case their LocalSettings.php does not have this:
1518         if ( !isset( $wgDBmwschema ))
1519                 $wgDBmwschema = 'mediawiki';
1520
1521         # Verify that this user is configured correctly
1522         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1523         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1524         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1525         $conf = array();
1526         foreach( explode( '*', $config ) as $c ) {
1527                 list( $x,$y ) = explode( '=', $c );
1528                 $conf[$x] = $y;
1529         }
1530         if( !array_key_exists( 'search_path', $conf ) ) {
1531                 $search_path = '';
1532         }
1533         else {
1534                 $search_path = $conf['search_path'];
1535         }
1536         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1537                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1538                 $search_path = "$wgDBmwschema, $search_path";
1539         }
1540         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1541                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1542                 $search_path = "$search_path, $wgDBts2schema";
1543         }
1544         $search_path = str_replace( ', ,', ',', $search_path);
1545         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1546                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1547                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1548         }
1549         else {
1550                 $path = $conf['search_path'];
1551                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1552         }
1553         $goodconf = array(
1554                 'client_min_messages' => 'error',
1555                 'DateStyle'           => 'ISO, YMD',
1556                 'TimeZone'            => 'GMT'
1557         );
1558         foreach( array_keys( $goodconf ) AS $key ) {
1559                 $value = $goodconf[$key];
1560                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1561                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1562                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1563                         $wgDatabase->doQuery( "SET $key = '$value'" );
1564                 }
1565                 else {
1566                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1567                 }
1568         }
1569
1570         $newsequences = array(
1571                 "logging_log_id_seq",
1572                 "page_restrictions_pr_id_seq",
1573         );
1574
1575         $newtables = array(
1576                 array("category",          "patch-category.sql"),
1577                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1578                 array("mwuser",            "patch-mwuser.sql"),
1579                 array("pagecontent",       "patch-pagecontent.sql"),
1580                 array("querycachetwo",     "patch-querycachetwo.sql"),
1581                 array("page_props",        "patch-page_props.sql"),
1582                 array("page_restrictions", "patch-page_restrictions.sql"),
1583                 array("profiling",         "patch-profiling.sql"),
1584                 array("protected_titles",  "patch-protected_titles.sql"),
1585                 array("redirect",          "patch-redirect.sql"),
1586                 array("updatelog",         "patch-updatelog.sql"),
1587                 array('change_tag',        'patch-change_tag.sql'),
1588                 array('tag_summary',       'patch-change_tag.sql'),
1589                 array('valid_tag',         'patch-change_tag.sql'),
1590                 array('user_properties',   'patch-user_properties.sql'),
1591                 array('log_search',        'patch-log_search.sql'),
1592                 array('l10n_cache',        'patch-l10n_cache.sql'),
1593         );
1594
1595         $newcols = array(
1596                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1597                 array("archive",       "ar_len",               "INTEGER"),
1598                 array("archive",       "ar_page_id",           "INTEGER"),
1599                 array("archive",       "ar_parent_id",         "INTEGER"),
1600                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1601                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1602                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1603                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1604                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1605                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1606                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1607                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1608                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1609                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1610                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')"),
1611                 array("logging",       "log_params",           "TEXT"),
1612                 array("mwuser",        "user_editcount",       "INTEGER"),
1613                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1614                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1615                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1616                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1617                 array("oldimage",      "oi_media_type",        "TEXT"),
1618                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1619                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1620                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1621                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_val')"),
1622                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1623                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1624                 array("recentchanges", "rc_log_action",        "TEXT"),
1625                 array("recentchanges", "rc_log_type",          "TEXT"),
1626                 array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1627                 array("recentchanges", "rc_new_len",           "INTEGER"),
1628                 array("recentchanges", "rc_old_len",           "INTEGER"),
1629                 array("recentchanges", "rc_params",            "TEXT"),
1630                 array("redirect",      "rd_interwiki",         "TEXT NULL"),
1631                 array("redirect",      "rd_fragment",          "TEXT NULL"),
1632                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1633                 array("revision",      "rev_len",              "INTEGER"),
1634                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1635                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1636                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1637                 array("logging",       "log_user_text",        "TEXT NOT NULL DEFAULT ''"),
1638                 array("logging",       "log_page",             "INTEGER"),
1639         );
1640
1641
1642         # table, column, desired type, USING clause if needed (with new default if needed)
1643         $typechanges = array(
1644                 array("archive",      "ar_deleted",      "smallint", ""),
1645                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1646                 array("filearchive",  "fa_deleted",      "smallint", ""),
1647                 array("filearchive",  "fa_height",       "integer",  ""),
1648                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1649                 array("filearchive",  "fa_size",         "integer",  ""),
1650                 array("filearchive",  "fa_width",        "integer",  ""),
1651                 array("filearchive",  "fa_storage_group","text",     ""),
1652                 array("filearchive",  "fa_storage_key",  "text",     ""),
1653                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1654                 array("image",        "img_size",        "integer",  ""),
1655                 array("image",        "img_width",       "integer",  ""),
1656                 array("image",        "img_height",      "integer",  ""),
1657                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1658                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1659                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1660                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1661                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1662                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1663                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1664                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1665                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1666                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1667                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1668                 array("mwuser",       "user_token",      "text",     ""),
1669                 array("mwuser",       "user_email_token","text",     ""),
1670                 array("objectcache",  "keyname",         "text",     ""),
1671                 array("oldimage",     "oi_height",       "integer",  ""),
1672                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1673                 array("oldimage",     "oi_size",         "integer",  ""),
1674                 array("oldimage",     "oi_width",        "integer",  ""),
1675                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1676                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1677                 array("querycache",   "qc_value",        "integer",  ""),
1678                 array("querycachetwo","qcc_value",       "integer",  ""),
1679                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1680                 array("recentchanges","rc_deleted",      "smallint", ""),
1681                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1682                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1683                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1684                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1685                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1686                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1687                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1688                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1689         );
1690
1691         # table, column, nullability
1692         $nullchanges = array(
1693                 array("oldimage", "oi_bits",       "NULL"),
1694                 array("oldimage", "oi_timestamp",  "NULL"),
1695                 array("oldimage", "oi_major_mime", "NULL"),
1696                 array("oldimage", "oi_minor_mime", "NULL"),
1697         );
1698
1699         $newindexes = array(
1700                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1701                 array("image",         "img_sha1",           "(img_sha1)"),
1702                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1703                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1704                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1705                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1706                 array("watchlist",     "wl_user",            "(wl_user)"),
1707                 array("logging",       "logging_user_type_time", "(log_user, log_type, log_timestamp)"),
1708                 array("logging",       "logging_page_id_time",   "(log_page,log_timestamp)"),
1709         );
1710
1711         $newrules = array(
1712         );
1713
1714         ## All FK columns should be deferred
1715         $deferredcols = array(
1716                 array("archive",          "ar_user",         "mwuser(user_id) ON DELETE SET NULL"),
1717                 array("categorylinks",    "cl_from",         "page(page_id) ON DELETE CASCADE"),
1718                 array("externallinks",    "el_from",         "page(page_id) ON DELETE CASCADE"),
1719                 array("filearchive",      "fa_deleted_user", "mwuser(user_id) ON DELETE SET NULL"),
1720                 array("filearchive",      "fa_user",         "mwuser(user_id) ON DELETE SET NULL"),
1721                 array("image",            "img_user",        "mwuser(user_id) ON DELETE SET NULL"),
1722                 array("imagelinks",       "il_from",         "page(page_id) ON DELETE CASCADE"),
1723                 array("ipblocks",         "ipb_by",          "mwuser(user_id) ON DELETE CASCADE"),
1724                 array("ipblocks",         "ipb_user",        "mwuser(user_id) ON DELETE SET NULL"),
1725                 array("langlinks",        "ll_from",         "page(page_id) ON DELETE CASCADE"),
1726                 array("logging",          "log_user",        "mwuser(user_id) ON DELETE SET NULL"),
1727                 array("oldimage",         "oi_name",         "image(img_name) ON DELETE CASCADE ON UPDATE CASCADE"),
1728                 array("oldimage",         "oi_user",         "mwuser(user_id) ON DELETE SET NULL"),
1729                 array("pagelinks",        "pl_from",         "page(page_id) ON DELETE CASCADE"),
1730                 array("page_props",       "pp_page",         "page (page_id) ON DELETE CASCADE"),
1731                 array("page_restrictions","pr_page",         "page(page_id) ON DELETE CASCADE"),
1732                 array("protected_titles", "pt_user",         "mwuser(user_id) ON DELETE SET NULL"),
1733                 array("recentchanges",    "rc_cur_id",       "page(page_id) ON DELETE SET NULL"),
1734                 array("recentchanges",    "rc_user",         "mwuser(user_id) ON DELETE SET NULL"),
1735                 array("redirect",         "rd_from",         "page(page_id) ON DELETE CASCADE"),
1736                 array("revision",         "rev_page",        "page (page_id) ON DELETE CASCADE"),
1737                 array("revision",         "rev_user",        "mwuser(user_id) ON DELETE RESTRICT"),
1738                 array("templatelinks",    "tl_from",         "page(page_id) ON DELETE CASCADE"),
1739                 array("trackbacks",       "tb_page",         "page(page_id) ON DELETE CASCADE"),
1740                 array("user_groups",      "ug_user",         "mwuser(user_id) ON DELETE CASCADE"),
1741                 array("user_newtalk",     "user_id",         "mwuser(user_id) ON DELETE CASCADE"),
1742                 array("user_properties",  "up_user",         "mwuser(user_id) ON DELETE CASCADE"),
1743                 array("watchlist",        "wl_user",         "mwuser(user_id) ON DELETE CASCADE"),
1744         );
1745
1746         #Check new sequences, rename if needed
1747         foreach ($newsequences as $ns) {
1748                 if( $wgDatabase->sequenceExists('pr_id_val') ) {
1749                         wfOut( "Updating sequence names\n" );
1750                         $wgDatabase->sourceFile(archive('patch-update_sequences.sql'));
1751                         continue;
1752                 } elseif ( $wgDatabase->sequenceExists('page_restrictions_pr_id_seq') ) {
1753                         wfOut( "... sequences already updated\n" );
1754                         continue;
1755                 } else {
1756                         wfOut( "Creating sequence \"$ns\"\n" );
1757                         $wgDatabase->query("CREATE SEQUENCE $ns");
1758                 }
1759         }
1760
1761         foreach ($newtables as $nt) {
1762                 if ($wgDatabase->tableExists($nt[0])) {
1763                         wfOut( "... table \"$nt[0]\" already exists\n" );
1764                         continue;
1765                 }
1766
1767                 wfOut( "Creating table \"$nt[0]\"\n" );
1768                 $wgDatabase->sourceFile(archive($nt[1]));
1769         }
1770
1771         ## Needed before newcols
1772         if ($wgDatabase->tableExists("archive2")) {
1773                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1774                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1775                         wfOut( "Dropping rule \"archive_insert\"\n" );
1776                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1777                 }
1778                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1779                         wfOut( "Dropping rule \"archive_delete\"\n" );
1780                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1781                 }
1782                 $wgDatabase->sourceFile(archive("patch-remove-archive2.sql"));
1783         }
1784         else
1785                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1786
1787         foreach ($newcols as $nc) {
1788                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1789                 if (!is_null($fi)) {
1790                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1791                         continue;
1792                 }
1793
1794                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1795                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1796         }
1797
1798         foreach ($typechanges as $tc) {
1799                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1800                 if (is_null($fi)) {
1801                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1802                         exit(1);
1803                 }
1804
1805                 if ($fi->type() === $tc[2])
1806                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1807                 else {
1808                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1809                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1810                         if (strlen($tc[3])) {
1811                                 $default = array();
1812                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1813                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1814                                         $wgDatabase->query($sqldef);
1815                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1816                                 }
1817                                 $sql .= " USING $tc[3]";
1818                         }
1819                         $sql .= ";\nCOMMIT;\n";
1820                         $wgDatabase->query($sql);
1821                 }
1822         }
1823
1824         foreach ($nullchanges as $nc) {
1825                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1826                 if (is_null($fi)) {
1827                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1828                         exit(1);
1829                 }
1830                 if ($fi->nullable()) {
1831                         ## It's NULL - does it need to be NOT NULL?
1832                         if ('NOT NULL' === $nc[2]) {
1833                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1834                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1835                         }
1836                         else {
1837                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1838                         }
1839                 }
1840                 else {
1841                         ## It's NOT NULL - does it need to be NULL?
1842                         if ('NULL' === $nc[2]) {
1843                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1844                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1845                         }
1846                         else {
1847                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1848                         }
1849                 }
1850         }
1851
1852         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1853                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1854                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1855                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1856                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1857         }
1858         else
1859                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1860
1861
1862         foreach ($newindexes as $ni) {
1863                 if (pg_index_exists($ni[0], $ni[1])) {
1864                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1865                         continue;
1866                 }
1867                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1868                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1869         }
1870
1871         foreach ($newrules as $nr) {
1872                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1873                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1874                         continue;
1875                 }
1876                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1877                 $wgDatabase->sourceFile(archive($nr[2]));
1878         }
1879
1880         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascaded")) {
1881                 wfOut( "... table \"oldimage\" has correct cascading delete/update foreign key to image\n" );
1882         }
1883         else {
1884                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1885                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1886                 }
1887                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascade")) {
1888                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1889                 }
1890                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete/update\n" );
1891                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded ".
1892                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE ON UPDATE CASCADE" );
1893         }
1894
1895         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1896                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1897                 $wgDatabase->sourceFile(archive('patch-page_deleted.sql'));
1898         }
1899         else
1900                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1901
1902         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1903         if (!$fi->nullable()) {
1904                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1905                 $wgDatabase->sourceFile(archive('patch-rc_cur_id-not-null.sql'));
1906         }
1907         else
1908                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1909
1910         $pu = pg_describe_index("pagelink_unique");
1911         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1912                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1913                 $wgDatabase->query("DROP INDEX pagelink_unique");
1914                 $pu = null;
1915         }
1916         else
1917                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1918
1919         if (is_null($pu)) {
1920                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1921                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1922         }
1923         else
1924                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1925
1926         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1927                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1928         }
1929         else {
1930                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1931                 $wgDatabase->sourceFile(archive('patch-revision_rev_user_fkey.sql'));
1932         }
1933
1934         # Fix ipb_address index
1935         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1936                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1937                 $wgDatabase->query('DROP INDEX ipb_address');
1938         }
1939         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1940                 wfOut( "... have ipb_address_unique\n" );
1941         }
1942         else {
1943                 wfOut( "Adding ipb_address_unique index\n" );
1944                 $wgDatabase->sourceFile(archive('patch-ipb_address_unique.sql'));
1945         }
1946
1947         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1948         # Add missing extension tables
1949         foreach ( $wgExtNewTables as $nt ) {
1950                 if ($wgDatabase->tableExists($nt[0])) {
1951                         wfOut( "... table \"$nt[0]\" already exists\n" );
1952                         continue;
1953                 }
1954                 wfOut( "Creating table \"$nt[0]\"\n" );
1955                 $wgDatabase->sourceFile($nt[1]);
1956         }
1957         # Add missing extension fields
1958         foreach ( $wgExtPGNewFields as $nc ) {
1959                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1960                 if (!is_null($fi)) {
1961                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1962                         continue;
1963                 }
1964                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1965                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1966         }
1967         # Change altered columns
1968         foreach ( $wgExtPGAlteredFields as $nc ) {
1969                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1970                 if (is_null($fi)) {
1971                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1972                         continue;
1973                 }
1974                 $oldtype = $fi->type();
1975                 $newtype = strtolower( $nc[2] );
1976                 if ($oldtype === $newtype) {
1977                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1978                         continue;
1979                 }
1980                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1981                 if ( isset( $nc[3] ) ) {
1982                         $command .= " USING $nc[3]";
1983                 }
1984                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1985                 $wgDatabase->query( $command );
1986         }
1987         # Add missing extension indexes
1988         foreach ( $wgExtNewIndexes as $ni ) {
1989                 if (pg_index_exists($ni[0], $ni[1])) {
1990                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1991                         continue;
1992                 }
1993                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1994                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1995                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1996                 }
1997                 else {
1998                         $wgDatabase->sourceFile($ni[2]);
1999                 }
2000         }
2001
2002         foreach ( $deferredcols AS $dc ) {
2003                 $fi = $wgDatabase->fieldInfo($dc[0], $dc[1]);
2004                 if (is_null($fi)) {
2005                         wfOut( "WARNING! Column \"$dc[0].$dc[1]\" does not exist but it should! Please report this.\n" );
2006                         continue;
2007                 }
2008                 if ( $fi->is_deferred() && $fi->is_deferrable() ) {
2009                         continue;
2010                 }
2011                 wfOut( "Altering column \"$dc[0].$dc[1]\" to be DEFERRABLE INITTALLY DEFERRED\n" );
2012                 $conname = $fi->conname();
2013                 $clause = $dc[2];
2014                 $command = "ALTER TABLE $dc[0] DROP CONSTRAINT $conname";
2015                 $wgDatabase->query( $command );
2016                 $command = "ALTER TABLE $dc[0] ADD CONSTRAINT $conname FOREIGN KEY ($dc[1]) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
2017                 $wgDatabase->query( $command );
2018         }
2019
2020         # Tweak the page_title tsearch2 trigger to filter out slashes
2021         # This is create or replace, so harmless to call if not needed
2022         $wgDatabase->sourceFile(archive('patch-ts2pagetitle.sql'));
2023
2024         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
2025         ## in case they have the old 'default' versions
2026         if ( $numver >= 8.3 )
2027                 $wgDatabase->sourceFile(archive('patch-tsearch2funcs.sql'));
2028
2029         ## Put a new row in the mediawiki_version table
2030         $wgDatabase->insert( 'mediawiki_version',
2031                 array(
2032                         'type' => 'Update',
2033                         'ctype' => 'U',
2034                         'mw_version' => $wgVersion,
2035                         'pg_version' => $version,
2036                         'sql_version' => '$LastChangedRevision$',
2037                         'sql_date' => '$LastChangedDate$',
2038                 ) );
2039         return;
2040 }