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