maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 require_once 'deleteDefaultMessages.php';
  15 # Extension updates
  16 require_once( "$IP/includes/Hooks.php" );
  17
  18 /**
  19  * List of update functions to call for each DB type, in sequence. First item
  20  * is function name, rest are parameters to pass.
  21  */
  22 $wgUpdates = array(
  23         'mysql' => array(
  24                 // 1.2
  25                 // update_passwords obsolete
  26                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  27                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  28                 array( 'do_interwiki_update' ),
  29                 array( 'do_index_update' ),
  30                 // do_linkscc_update obsolete
  31                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  32                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  33
  34                 // 1.3
  35                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  36                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  37                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  38                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  39                 // do_linkscc_1_3_update obsolete
  40                 array( 'do_old_links_update' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo', 'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146                 array( 'update_password_format' ),
 147
 148                 // 1.14
 149                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 150                 array( 'do_active_users_init' ),
 151                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 152                 array( 'do_unique_pl_tl_il' ),
 153
 154                 // 1.15
 155                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 156                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 157                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 158                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 159         ),
 160
 161         'sqlite' => array(
 162                 // 1.14
 163                 array( 'add_field', 'site_stats',     'ss_active_users',  'patch-ss_active_users.sql' ),
 164                 array( 'do_active_users_init' ),
 165                 array( 'add_field', 'ipblocks',     'ipb_allow_usertalk',  'patch-ipb_allow_usertalk.sql' ),
 166                 array( 'sqlite_initial_indexes' ),
 167
 168                 // 1.15
 169                 array( 'add_table', 'change_tag',                          'patch-change_tag.sql' ),
 170                 array( 'add_table', 'tag_summary',                         'patch-change_tag.sql' ),
 171                 array( 'add_table', 'valid_tag',                           'patch-change_tag.sql' ),
 172                 array( 'add_table', 'user_properties',             'patch-user_properties.sql' ),
 173         ),
 174 );
 175
 176
 177 # For extensions only, should be populated via hooks
 178 # $wgDBtype should be checked to specifiy the proper file
 179 $wgExtNewTables = array(); // table, dir
 180 $wgExtNewFields = array(); // table, column, dir
 181 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 182 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 183 $wgExtNewIndexes = array(); // table, index, dir
 184
 185 # Helper function: check if the given key is present in the updatelog table.
 186 # Obviously, only use this for updates that occur after the updatelog table was
 187 # created!
 188 function update_row_exists( $key ) {
 189         $dbr = wfGetDB( DB_SLAVE );
 190         $row = $dbr->selectRow(
 191                 'updatelog',
 192                 '1',
 193                 array( 'ul_key' => $key ),
 194                 __FUNCTION__
 195         );
 196         return (bool)$row;
 197 }
 198
 199 function rename_table( $from, $to, $patch ) {
 200         global $wgDatabase;
 201         if ( $wgDatabase->tableExists( $from ) ) {
 202                 if ( $wgDatabase->tableExists( $to ) ) {
 203                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 204                 } else {
 205                         wfOut( "Moving table $from to $to..." );
 206                         dbsource( archive($patch), $wgDatabase );
 207                         wfOut( "ok\n" );
 208                 }
 209         } else {
 210                 // Source table does not exist
 211                 // Renames are done before creations, so this is typical for a new installation
 212                 // Ignore silently
 213         }
 214 }
 215
 216 function add_table( $name, $patch, $fullpath=false ) {
 217         global $wgDatabase;
 218         if ( $wgDatabase->tableExists( $name ) ) {
 219                 wfOut( "...$name table already exists.\n" );
 220         } else {
 221                 wfOut( "Creating $name table..." );
 222                 if( $fullpath ) {
 223                         dbsource( $patch, $wgDatabase );
 224                 } else {
 225                         dbsource( archive($patch), $wgDatabase );
 226                 }
 227                 wfOut( "ok\n" );
 228         }
 229 }
 230
 231 function add_field( $table, $field, $patch, $fullpath=false ) {
 232         global $wgDatabase;
 233         if ( !$wgDatabase->tableExists( $table ) ) {
 234                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 235         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 236                 wfOut( "...have $field field in $table table.\n" );
 237         } else {
 238                 wfOut( "Adding $field field to table $table..." );
 239                 if( $fullpath ) {
 240                         dbsource( $patch, $wgDatabase );
 241                 } else {
 242                         dbsource( archive($patch), $wgDatabase );
 243                 }
 244                 wfOut( "ok\n" );
 245         }
 246 }
 247
 248 function add_index( $table, $index, $patch, $fullpath=false ) {
 249         global $wgDatabase;
 250         if( $wgDatabase->indexExists( $table, $index ) ) {
 251                 wfOut( "...$index key already set on $table table.\n" );
 252         } else {
 253                 wfOut( "Adding $index key to table $table... " );
 254                 if( $fullpath ) {
 255                         dbsource( $patch, $wgDatabase );
 256                 } else {
 257                         dbsource( archive($patch), $wgDatabase );
 258                 }
 259                 wfOut( "ok\n" );
 260         }
 261 }
 262
 263 function do_revision_updates() {
 264         global $wgSoftwareRevision;
 265         if ( $wgSoftwareRevision < 1001 ) {
 266                 update_passwords();
 267         }
 268 }
 269
 270 function update_passwords() {
 271         wfDebugDieBacktrace( "This function needs to be updated or removed.\n" );
 272
 273         global $wgDatabase;
 274         $fname = "Update script: update_passwords()";
 275         wfOut( "\nIt appears that you need to update the user passwords in your\n" .
 276           "database. If you have already done this (if you've run this update\n" .
 277           "script once before, for example), doing so again will make all your\n" .
 278           "user accounts inaccessible, so be sure you only do this once.\n" .
 279           "Update user passwords? (yes/no)" );
 280
 281         $resp = readconsole();
 282     if ( ! ( "Y" == $resp{0} || "y" == $resp{0} ) ) { return; }
 283
 284         $sql = "SELECT user_id,user_password FROM user";
 285         $source = $wgDatabase->query( $sql, $fname );
 286
 287         while ( $row = $wgDatabase->fetchObject( $source ) ) {
 288                 $id = $row->user_id;
 289                 $oldpass = $row->user_password;
 290                 $newpass = md5( "{$id}-{$oldpass}" );
 291
 292                 $sql = "UPDATE user SET user_password='{$newpass}' " .
 293                   "WHERE user_id={$id}";
 294                 $wgDatabase->query( $sql, $fname );
 295         }
 296 }
 297
 298 function do_interwiki_update() {
 299         # Check that interwiki table exists; if it doesn't source it
 300         global $wgDatabase, $IP;
 301         if( $wgDatabase->tableExists( "interwiki" ) ) {
 302                 wfOut( "...already have interwiki table\n" );
 303                 return true;
 304         }
 305         wfOut( "Creating interwiki table: " );
 306         dbsource( archive("patch-interwiki.sql") );
 307         wfOut( "ok\n" );
 308         wfOut( "Adding default interwiki definitions: " );
 309         dbsource( "$IP/maintenance/interwiki.sql" );
 310         wfOut( "ok\n" );
 311 }
 312
 313 function do_index_update() {
 314         # Check that proper indexes are in place
 315         global $wgDatabase;
 316         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 317         if( !$meta->isMultipleKey() ) {
 318                 wfOut( "Updating indexes to 20031107: " );
 319                 dbsource( archive("patch-indexes.sql") );
 320                 wfOut( "ok\n" );
 321                 return true;
 322         }
 323         wfOut( "...indexes seem up to 20031107 standards\n" );
 324         return false;
 325 }
 326
 327 function do_image_index_update() {
 328         global $wgDatabase;
 329
 330         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 331         if( !$meta->isMultipleKey() ) {
 332                 wfOut( "Updating indexes to 20050912: " );
 333                 dbsource( archive("patch-mimesearch-indexes.sql") );
 334                 wfOut( "ok\n" );
 335                 return true;
 336         }
 337         wfOut( "...indexes seem up to 20050912 standards\n" );
 338         return false;
 339 }
 340
 341 function do_image_name_unique_update() {
 342         global $wgDatabase;
 343         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 344                 wfOut( "...image primary key already set.\n" );
 345         } else {
 346                 wfOut( "Making img_name the primary key... " );
 347                 dbsource( archive("patch-image_name_primary.sql"), $wgDatabase );
 348                 wfOut( "ok\n" );
 349         }
 350 }
 351
 352 function do_logging_timestamp_index() {
 353         global $wgDatabase;
 354         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 355                 wfOut( "...timestamp key on logging already exists.\n" );
 356         } else {
 357                 wfOut( "Adding timestamp key on logging table... " );
 358                 dbsource( archive("patch-logging-times-index.sql"), $wgDatabase );
 359                 wfOut( "ok\n" );
 360         }
 361 }
 362
 363 function do_archive_user_index() {
 364         global $wgDatabase;
 365         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 366                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 367         } else {
 368                 wfOut( "Adding usertext,timestamp key on archive table... " );
 369                 dbsource( archive("patch-archive-user-index.sql"), $wgDatabase );
 370                 wfOut( "ok\n" );
 371         }
 372 }
 373
 374 function do_image_user_index() {
 375         global $wgDatabase;
 376         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 377                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 378         } else {
 379                 wfOut( "Adding usertext,timestamp key on image table... " );
 380                 dbsource( archive("patch-image-user-index.sql"), $wgDatabase );
 381                 wfOut( "ok\n" );
 382         }
 383 }
 384
 385 function do_oldimage_user_index() {
 386         global $wgDatabase;
 387         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 388                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 389         } else {
 390                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 391                 dbsource( archive("patch-oldimage-user-index.sql"), $wgDatabase );
 392                 wfOut( "ok\n" );
 393         }
 394 }
 395
 396 function do_watchlist_update() {
 397         global $wgDatabase;
 398         $fname = 'do_watchlist_update';
 399         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 400                 wfOut( "The watchlist table is already set up for email notification.\n" );
 401         } else {
 402                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 403                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 404                 dbsource( archive( 'patch-email-notification.sql' ), $wgDatabase );
 405                 wfOut( "ok\n" );
 406         }
 407         # Check if we need to add talk page rows to the watchlist
 408         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 409         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 410         if ( $talk != $nontalk ) {
 411                 wfOut( "Adding missing watchlist talk page rows... " );
 412                 flush();
 413
 414                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 415                         array(
 416                                 'wl_user' => 'wl_user',
 417                                 'wl_namespace' => 'wl_namespace | 1',
 418                                 'wl_title' => 'wl_title',
 419                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 420                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 421                 wfOut( "ok\n" );
 422         } else {
 423                 wfOut( "...watchlist talk page rows already present\n" );
 424         }
 425 }
 426
 427 function do_copy_newtalk_to_watchlist() {
 428         global $wgDatabase;
 429         global $wgCommandLineMode;      # this needs to be saved while getID() and getName() are called
 430
 431         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 432                 $wgDatabase->tableName( 'user_newtalk' ) );
 433         $num_newtalks=$wgDatabase->numRows($res);
 434         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 435
 436         $user = new User();
 437         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 438                 $wluser = $wgDatabase->fetchObject( $res );
 439                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 440                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 441                                 $wgDatabase->replace( 'watchlist',
 442                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 443                                           array('wl_user'                       => 0,
 444                                                 'wl_namespace'                  => NS_USER_TALK,
 445                                                 'wl_title'                      => $wluser->user_ip,
 446                                                 'wl_notificationtimestamp'      => '19700101000000'
 447                                                 ), 'updaters.inc::do_watchlist_update2'
 448                                         );
 449                         }
 450                 } else { # normal users ... have user_ids
 451                         $user->setID($wluser->user_id);
 452                         $wgDatabase->replace( 'watchlist',
 453                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 454                                   array('wl_user'                       => $user->getID(),
 455                                         'wl_namespace'                  => NS_USER_TALK,
 456                                         'wl_title'                      => $user->getName(),
 457                                         'wl_notificationtimestamp'      => '19700101000000'
 458                                         ), 'updaters.inc::do_watchlist_update3'
 459                                 );
 460                 }
 461         }
 462         wfOut( "Done.\n" );
 463 }
 464
 465
 466 function do_user_update() {
 467         global $wgDatabase;
 468         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 469                 wfOut( "User table contains old email authentication field. Dropping... " );
 470                 dbsource( archive( 'patch-email-authentication.sql' ), $wgDatabase );
 471                 wfOut( "ok\n" );
 472         } else {
 473                 wfOut( "...user table does not contain old email authentication field.\n" );
 474         }
 475 }
 476
 477 /**
 478  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 479  * which causes a collation mismatch error on joins in MySQL 4.1.
 480  */
 481 function check_bin( $table, $field, $patchFile ) {
 482         global $wgDatabase, $wgDBtype;
 483         if ($wgDBtype != 'mysql')
 484                 return;
 485         $tableName = $wgDatabase->tableName( $table );
 486         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 487         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 488         $wgDatabase->freeResult( $res );
 489
 490         if( in_array( 'binary', $flags ) ) {
 491                 wfOut( "$table table has correct $field encoding.\n" );
 492         } else {
 493                 wfOut( "Fixing $field encoding on $table table... " );
 494                 dbsource( archive( $patchFile ), $wgDatabase );
 495                 wfOut( "ok\n" );
 496         }
 497 }
 498
 499 function do_schema_restructuring() {
 500         global $wgDatabase;
 501         $fname="do_schema_restructuring";
 502         if ( $wgDatabase->tableExists( 'page' ) ) {
 503                 wfOut( "...page table already exists.\n" );
 504         } else {
 505                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 506                 wfOut( wfTimestamp( TS_DB ) );
 507                 wfOut( "......checking for duplicate entries.\n" );
 508
 509                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 510
 511                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 512                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 513
 514                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 515                         wfOut( wfTimestamp( TS_DB ) );
 516                         wfOut( "......<b>Found duplicate entries</b>\n" );
 517                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 518                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 519                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 520                                         $duplicate[$row->cur_namespace] = array();
 521                                 }
 522                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 523                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 524                         }
 525                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 526                         $firstCond = true;
 527                         foreach ( $duplicate as $ns => $titles ) {
 528                                 if ( $firstCond ) {
 529                                         $firstCond = false;
 530                                 } else {
 531                                         $sql .= ' OR ';
 532                                 }
 533                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 534                                 $first = true;
 535                                 foreach ( $titles as $t ) {
 536                                         if ( $first ) {
 537                                                 $sql .= $wgDatabase->addQuotes( $t );
 538                                                 $first = false;
 539                                         } else {
 540                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 541                                         }
 542                                 }
 543                                 $sql .= ") ) \n";
 544                         }
 545                         # By sorting descending, the most recent entry will be the first in the list.
 546                         # All following entries will be deleted by the next while-loop.
 547                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 548
 549                         $rows = $wgDatabase->query( $sql, $fname );
 550
 551                         $prev_title = $prev_namespace = false;
 552                         $deleteId = array();
 553
 554                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 555                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 556                                         $deleteId[] = $row->cur_id;
 557                                 }
 558                                 $prev_title     = $row->cur_title;
 559                                 $prev_namespace = $row->cur_namespace;
 560                         }
 561                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 562                         $rows = $wgDatabase->query( $sql, $fname );
 563                         wfOut( wfTimestamp( TS_DB ) );
 564                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 565                 }
 566
 567
 568                 wfOut( wfTimestamp( TS_DB ) );
 569                 wfOut( "......Creating tables.\n" );
 570                 $wgDatabase->query("CREATE TABLE $page (
 571                         page_id int(8) unsigned NOT NULL auto_increment,
 572                         page_namespace int NOT NULL,
 573                         page_title varchar(255) binary NOT NULL,
 574                         page_restrictions tinyblob NOT NULL,
 575                         page_counter bigint(20) unsigned NOT NULL default '0',
 576                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 577                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 578                         page_random real unsigned NOT NULL,
 579                         page_touched char(14) binary NOT NULL default '',
 580                         page_latest int(8) unsigned NOT NULL,
 581                         page_len int(8) unsigned NOT NULL,
 582
 583                         PRIMARY KEY page_id (page_id),
 584                         UNIQUE INDEX name_title (page_namespace,page_title),
 585                         INDEX (page_random),
 586                         INDEX (page_len)
 587                         ) ENGINE=InnoDB", $fname );
 588                 $wgDatabase->query("CREATE TABLE $revision (
 589                         rev_id int(8) unsigned NOT NULL auto_increment,
 590                         rev_page int(8) unsigned NOT NULL,
 591                         rev_comment tinyblob NOT NULL,
 592                         rev_user int(5) unsigned NOT NULL default '0',
 593                         rev_user_text varchar(255) binary NOT NULL default '',
 594                         rev_timestamp char(14) binary NOT NULL default '',
 595                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 596                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 597                         rev_len int(8) unsigned,
 598                         rev_parent_id int(8) unsigned default NULL,
 599                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 600                         UNIQUE INDEX rev_id (rev_id),
 601                         INDEX rev_timestamp (rev_timestamp),
 602                         INDEX page_timestamp (rev_page,rev_timestamp),
 603                         INDEX user_timestamp (rev_user,rev_timestamp),
 604                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 605                         ) ENGINE=InnoDB", $fname );
 606
 607                 wfOut( wfTimestamp( TS_DB ) );
 608                 wfOut( "......Locking tables.\n" );
 609                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 610
 611                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 612                 wfOut( wfTimestamp( TS_DB ) );
 613                 wfOut( "......maxold is {$maxold}\n" );
 614
 615                 wfOut( wfTimestamp( TS_DB ) );
 616                 global $wgLegacySchemaConversion;
 617                 if( $wgLegacySchemaConversion ) {
 618                         // Create HistoryBlobCurStub entries.
 619                         // Text will be pulled from the leftover 'cur' table at runtime.
 620                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 621                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 622                         $cur_flags = "'object'";
 623                 } else {
 624                         // Copy all cur text in immediately: this may take longer but avoids
 625                         // having to keep an extra table around.
 626                         wfOut( "......Moving text from cur.\n" );
 627                         $cur_text = 'cur_text';
 628                         $cur_flags = "''";
 629                 }
 630                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 631                                 old_timestamp, old_minor_edit, old_flags)
 632                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 633                         FROM $cur", $fname );
 634
 635                 wfOut( wfTimestamp( TS_DB ) );
 636                 wfOut( "......Setting up revision table.\n" );
 637                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 638                                 rev_minor_edit)
 639                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 640                                 old_timestamp, old_minor_edit
 641                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 642
 643                 wfOut( wfTimestamp( TS_DB ) );
 644                 wfOut( "......Setting up page table.\n" );
 645                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 646                                 page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 647                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 648                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 649                         FROM $cur,$revision
 650                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 651
 652                 wfOut( wfTimestamp( TS_DB ) );
 653                 wfOut( "......Unlocking tables.\n" );
 654                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 655
 656                 wfOut( wfTimestamp( TS_DB ) );
 657                 wfOut( "......Renaming old.\n" );
 658                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 659
 660                 wfOut( wfTimestamp( TS_DB ) );
 661                 wfOut( "...done.\n" );
 662         }
 663 }
 664
 665 function do_inverse_timestamp() {
 666         global $wgDatabase;
 667         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 668                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 669                 dbsource( archive( 'patch-inverse_timestamp.sql' ), $wgDatabase );
 670                 wfOut( "ok\n" );
 671         } else {
 672                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 673         }
 674 }
 675
 676 function do_text_id() {
 677         global $wgDatabase;
 678         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 679                 wfOut( "...rev_text_id already in place.\n" );
 680         } else {
 681                 wfOut( "Adding rev_text_id field... " );
 682                 dbsource( archive( 'patch-rev_text_id.sql' ), $wgDatabase );
 683                 wfOut( "ok\n" );
 684         }
 685 }
 686
 687 function do_namespace_size() {
 688         $tables = array(
 689                 'page'          => 'page',
 690                 'archive'       => 'ar',
 691                 'recentchanges' => 'rc',
 692                 'watchlist'     => 'wl',
 693                 'querycache'    => 'qc',
 694                 'logging'       => 'log',
 695         );
 696         foreach( $tables as $table => $prefix ) {
 697                 do_namespace_size_on( $table, $prefix );
 698                 flush();
 699         }
 700 }
 701
 702 function do_namespace_size_on( $table, $prefix ) {
 703         global $wgDatabase, $wgDBtype;
 704         if ($wgDBtype != 'mysql')
 705                 return;
 706         $field = $prefix . '_namespace';
 707
 708         $tablename = $wgDatabase->tableName( $table );
 709         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 710         $info = $wgDatabase->fetchObject( $result );
 711         $wgDatabase->freeResult( $result );
 712
 713         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 714                 wfOut( "...$field is already a full int ($info->Type).\n" );
 715         } else {
 716                 wfOut( "Promoting $field from $info->Type to int... " );
 717
 718                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 719                 $wgDatabase->query( $sql );
 720
 721                 wfOut( "ok\n" );
 722         }
 723 }
 724
 725 function do_pagelinks_update() {
 726         global $wgDatabase;
 727         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 728                 wfOut( "...already have pagelinks table.\n" );
 729         } else {
 730                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 731                 dbsource( archive( 'patch-pagelinks.sql' ), $wgDatabase );
 732                 wfOut( "ok\n" );
 733                 flush();
 734
 735                 global $wgCanonicalNamespaceNames;
 736                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 737                         if( $ns != 0 ) {
 738                                 do_pagelinks_namespace( $ns );
 739                         }
 740                 }
 741         }
 742 }
 743
 744 function do_pagelinks_namespace( $namespace ) {
 745         global $wgDatabase, $wgContLang;
 746
 747         $ns = intval( $namespace );
 748         wfOut( "Cleaning up broken links for namespace $ns... " );
 749
 750         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 751         $name = $wgContLang->getNsText( $ns );
 752         $prefix = $wgDatabase->strencode( $name );
 753         $likeprefix = str_replace( '_', '\\_', $prefix);
 754
 755         $sql = "UPDATE $pagelinks
 756                    SET pl_namespace=$ns,
 757                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 758                  WHERE pl_namespace=0
 759                    AND pl_title LIKE '$likeprefix:%'";
 760
 761         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 762         wfOut( "ok\n" );
 763 }
 764
 765 function do_drop_img_type() {
 766         global $wgDatabase;
 767
 768         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 769                 wfOut( "Dropping unused img_type field in image table... " );
 770                 dbsource( archive( 'patch-drop_img_type.sql' ), $wgDatabase );
 771                 wfOut( "ok\n" );
 772         } else {
 773                 wfOut( "No img_type field in image table; Good.\n" );
 774         }
 775 }
 776
 777 function do_old_links_update() {
 778         global $wgDatabase;
 779         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 780                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 781         } else {
 782                 convertLinks(); flush();
 783         }
 784 }
 785
 786 function do_user_unique_update() {
 787         global $wgDatabase;
 788         $duper = new UserDupes( $wgDatabase );
 789         if( $duper->hasUniqueIndex() ) {
 790                 wfOut( "Already have unique user_name index.\n" );
 791         } else {
 792                 if( !$duper->clearDupes() ) {
 793                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 794                 }
 795                 wfOut( "Adding unique index on user_name... " );
 796                 dbsource( archive( 'patch-user_nameindex.sql' ), $wgDatabase );
 797                 wfOut( "ok\n" );
 798         }
 799 }
 800
 801 function do_user_groups_update() {
 802         $fname = 'do_user_groups_update';
 803         global $wgDatabase;
 804
 805         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 806                 wfOut( "...user_groups table already exists.\n" );
 807                 return do_user_groups_reformat();
 808         }
 809
 810         wfOut( "Adding user_groups table... " );
 811         dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 812         wfOut( "ok\n" );
 813
 814         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 815                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 816                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 817                         dbsource( archive( 'patch-user_rights.sql' ), $wgDatabase );
 818                         wfOut( "ok\n" );
 819                 } else {
 820                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 821                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 822                         wfOut( "*** the user_groups table.\n" );
 823                         return;
 824                 }
 825         }
 826
 827         wfOut( "Converting user_rights table to user_groups... " );
 828         $result = $wgDatabase->select( 'user_rights',
 829                 array( 'ur_user', 'ur_rights' ),
 830                 array( "ur_rights != ''" ),
 831                 $fname );
 832
 833         while( $row = $wgDatabase->fetchObject( $result ) ) {
 834                 $groups = array_unique(
 835                         array_map( 'trim',
 836                                 explode( ',', $row->ur_rights ) ) );
 837
 838                 foreach( $groups as $group ) {
 839                         $wgDatabase->insert( 'user_groups',
 840                                 array(
 841                                         'ug_user'  => $row->ur_user,
 842                                         'ug_group' => $group ),
 843                                 $fname );
 844                 }
 845         }
 846         $wgDatabase->freeResult( $result );
 847         wfOut( "ok\n" );
 848 }
 849
 850 function do_user_groups_reformat() {
 851         # Check for bogus formats from previous 1.5 alpha code.
 852         global $wgDatabase;
 853         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 854
 855         if( $info->type() == 'int' ) {
 856                 $oldug = $wgDatabase->tableName( 'user_groups' );
 857                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 858                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 859                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 860                 wfOut( "ok\n" );
 861
 862                 wfOut( "Re-adding fresh user_groups table... " );
 863                 dbsource( archive( 'patch-user_groups.sql' ), $wgDatabase );
 864                 wfOut( "ok\n" );
 865
 866                 wfOut( "***\n" );
 867                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 868                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 869                 wfOut( "***\n" );
 870         } else {
 871                 wfOut( "...user_groups is in current format.\n" );
 872         }
 873
 874 }
 875
 876 function do_watchlist_null() {
 877         # Make sure wl_notificationtimestamp can be NULL,
 878         # and update old broken items.
 879         global $wgDatabase;
 880         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 881
 882         if( !$info->nullable() ) {
 883                 wfOut( "Making wl_notificationtimestamp nullable... " );
 884                 dbsource( archive( 'patch-watchlist-null.sql' ), $wgDatabase );
 885                 wfOut( "ok\n" );
 886         } else {
 887                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 888         }
 889
 890 }
 891
 892 /**
 893  * @bug 3946
 894  */
 895 function do_page_random_update() {
 896         global $wgDatabase;
 897
 898         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 899
 900         $page = $wgDatabase->tableName( 'page' );
 901         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 902         $rows = $wgDatabase->affectedRows();
 903
 904         wfOut( "changed $rows rows\n" );
 905 }
 906
 907 function do_templatelinks_update() {
 908         global $wgDatabase, $wgLoadBalancer;
 909         $fname = 'do_templatelinks_update';
 910
 911         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 912                 wfOut( "...templatelinks table already exists\n" );
 913                 return;
 914         }
 915         wfOut( "Creating templatelinks table...\n" );
 916         dbsource( archive('patch-templatelinks.sql'), $wgDatabase );
 917         wfOut( "Populating...\n" );
 918         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 919                 // Slow, replication-friendly update
 920                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 921                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 922                 $count = 0;
 923                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 924                         $count = ($count + 1) % 100;
 925                         if ( $count == 0 ) {
 926                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 927                                         wfWaitForSlaves( 10 );
 928                                 } else {
 929                                         sleep( 1 );
 930                                 }
 931                         }
 932                         $wgDatabase->insert( 'templatelinks',
 933                                 array(
 934                                         'tl_from' => $row->pl_from,
 935                                         'tl_namespace' => $row->pl_namespace,
 936                                         'tl_title' => $row->pl_title,
 937                                 ), $fname
 938                         );
 939
 940                 }
 941                 $wgDatabase->freeResult( $res );
 942         } else {
 943                 // Fast update
 944                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 945                         array(
 946                                 'tl_from' => 'pl_from',
 947                                 'tl_namespace' => 'pl_namespace',
 948                                 'tl_title' => 'pl_title'
 949                         ), array(
 950                                 'pl_namespace' => 10
 951                         ), $fname
 952                 );
 953         }
 954         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 955 }
 956
 957 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 958 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 959 function do_rc_indices_update() {
 960         global $wgDatabase;
 961         wfOut( "Checking for additional recent changes indices...\n" );
 962
 963         $indexes = array(
 964                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 965                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 966         );
 967
 968         foreach( $indexes as $index => $patch ) {
 969                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
 970                 if( !$info ) {
 971                         wfOut( "...index `{$index}` not found; adding..." );
 972                         dbsource( archive( $patch ) );
 973                         wfOut( "done.\n" );
 974                 } else {
 975                         wfOut( "...index `{$index}` seems ok.\n" );
 976                 }
 977         }
 978 }
 979
 980 function index_has_field($table, $index, $field) {
 981         global $wgDatabase;
 982         wfOut( "Checking if $table index $index includes field $field...\n" );
 983         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
 984         if( $info ) {
 985                 foreach($info as $row) {
 986                         if($row->Column_name == $field) {
 987                                 wfOut( "...index $index on table $table seems to be ok\n" );
 988                                 return true;
 989                         }
 990                 }
 991         }
 992         wfOut( "...index $index on table $table has no field $field; adding\n" );
 993         return false;
 994 }
 995
 996 function do_backlinking_indices_update() {
 997         wfOut( "Checking for backlinking indices...\n" );
 998         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
 999                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
1000                 !index_has_field('imagelinks', 'il_to', 'il_from'))
1001         {
1002                 dbsource( archive( 'patch-backlinkindexes.sql' ) );
1003                 wfOut( "...backlinking indices updated\n" );
1004         }
1005 }
1006
1007 function do_categorylinks_indices_update() {
1008         wfOut( "Checking for categorylinks indices...\n" );
1009         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1010         {
1011                 dbsource( archive( 'patch-categorylinksindex.sql' ) );
1012                 wfOut( "...categorylinks indices updated\n" );
1013         }
1014 }
1015
1016 function do_filearchive_indices_update() {
1017         global $wgDatabase;
1018         wfOut( "Checking filearchive indices...\n" );
1019         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1020         if ( !$info )
1021         {
1022                 dbsource( archive( 'patch-filearhive-user-index.sql' ) );
1023                 wfOut( "...filearchive indices updated\n" );
1024         }
1025 }
1026
1027 function maybe_do_profiling_memory_update() {
1028         global $wgDatabase;
1029         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1030                 // Simply ignore
1031         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1032                 wfOut( "profiling table has pf_memory field.\n" );
1033         } else {
1034                 wfOut( "Adding pf_memory field to table profiling..." );
1035                 dbsource( archive( 'patch-profiling-memory.sql' ), $wgDatabase );
1036                 wfOut( "ok\n" );
1037         }
1038 }
1039
1040 function do_stats_init() {
1041         // Sometimes site_stats table is not properly populated.
1042         global $wgDatabase;
1043         wfOut( "Checking site_stats row..." );
1044         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1045         if( $row === false ) {
1046                 wfOut( "data is missing! rebuilding...\n" );
1047         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1048                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1049         } else {
1050                 wfOut( "ok.\n" );
1051                 return;
1052         }
1053
1054         global $IP;
1055         require_once "$IP/maintenance/initStats.inc";
1056         wfInitStats();
1057 }
1058
1059 function do_active_users_init() {
1060         global $wgDatabase;
1061         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1062         if( $activeUsers == -1 ) {
1063                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1064                         'COUNT( DISTINCT rc_user_text )',
1065                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1066                 );
1067                 $wgDatabase->update( 'site_stats',
1068                         array( 'ss_active_users' => intval($activeUsers) ),
1069                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1070                 );
1071         }
1072         wfOut( "...ss_active_users user count set...\n" );
1073 }
1074
1075 function purge_cache() {
1076         global $wgDatabase;
1077         # We can't guarantee that the user will be able to use TRUNCATE,
1078         # but we know that DELETE is available to us
1079         wfOut( "Purging caches..." );
1080         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1081         wfOut( "done.\n" );
1082 }
1083
1084 function do_all_updates( $shared = false, $purge = true ) {
1085         global $wgNewTables, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1086
1087         wfRunHooks('LoadExtensionSchemaUpdates');
1088
1089         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1090
1091         if ($wgDBtype === 'postgres') {
1092                 do_postgres_updates();
1093                 return;
1094         }
1095
1096         # Run core updates in sequence...
1097         global $wgUpdates;
1098         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1099                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1100                         $func = array_shift( $params );
1101                         call_user_func_array( $func, $params );
1102                         flush();
1103                 }
1104         }
1105
1106         /// @fixme clean up this mess too!
1107         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1108         # Add missing extension tables
1109         foreach ( $wgExtNewTables as $tableRecord ) {
1110                 add_table( $tableRecord[0], $tableRecord[1], true );
1111                 flush();
1112         }
1113         # Add missing extension fields
1114         foreach ( $wgExtNewFields as $fieldRecord ) {
1115                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1116                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1117                 }
1118                 flush();
1119         }
1120         # Add missing extension indexes
1121         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1122                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1123                 flush();
1124         }
1125
1126
1127         wfOut( "Deleting old default messages (this may take a long time!)..." );
1128         deleteDefaultMessages();
1129         wfOut( "Done\n" );
1130
1131         do_stats_init();
1132
1133         if( $purge ) {
1134                 purge_cache();
1135         }
1136 }
1137
1138 function archive($name) {
1139         global $wgDBtype, $IP;
1140         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1141                 return "$IP/maintenance/$wgDBtype/archives/$name";
1142         } else {
1143                 return "$IP/maintenance/archives/$name";
1144         }
1145 }
1146
1147 function do_restrictions_update() {
1148         # Adding page_restrictions table, obsoleting page.page_restrictions.
1149         #  Migrating old restrictions to new table
1150         # -- Andrew Garrett, January 2007.
1151
1152         global $wgDatabase;
1153
1154         $name = 'page_restrictions';
1155         $patch = 'patch-page_restrictions.sql';
1156         $patch2 = 'patch-page_restrictions_sortkey.sql';
1157
1158         if ( $wgDatabase->tableExists( $name ) ) {
1159                 wfOut( "...$name table already exists.\n" );
1160         } else {
1161                 wfOut( "Creating $name table..." );
1162                 dbsource( archive($patch), $wgDatabase );
1163                 dbsource( archive($patch2), $wgDatabase );
1164                 wfOut( "ok\n" );
1165
1166                 wfOut( "Migrating old restrictions to new table..." );
1167
1168                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1169
1170                 $count = 0;
1171
1172                 while ($row = $wgDatabase->fetchObject($res) ) {
1173                         $count = ($count + 1) % 100;
1174
1175                         if ($count == 0) {
1176                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1177                                         wfWaitForSlaves( 10 );
1178                                 } else {
1179                                         sleep( 1 );
1180                                 }
1181                         }
1182
1183                         # Figure out what the restrictions are..
1184                         $id = $row->page_id;
1185                         $flatrestrictions = explode( ':', $row->page_restrictions );
1186
1187                         $restrictions = array ();
1188                         foreach( $flatrestrictions as $restriction ) {
1189                                 $thisrestriction = explode( '=', $restriction, 2 );
1190                                 if( count( $thisrestriction ) == 1 ) {
1191                                         // Compatibility with old protections from before
1192                                         // separate move protection was added.
1193                                         list( $level ) = $thisrestriction;
1194                                         if( $level ) {
1195                                                 $restrictions['edit'] = $level;
1196                                                 $restrictions['move'] = $level;
1197                                         }
1198                                 } else {
1199                                         list( $type, $level ) = $thisrestriction;
1200                                         if( $level ) {
1201                                                 $restrictions[$type] = $level;
1202                                         }
1203                                 }
1204
1205                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1206
1207                         }
1208
1209                         foreach( $restrictions as $type => $level ) {
1210                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1211                                                                                         'pr_type' => $type,
1212                                                                                         'pr_level' => $level,
1213                                                                                         'pr_cascade' => 0,
1214                                                                                         'pr_expiry' => 'infinity' ),
1215                                                                                         __METHOD__ );
1216                         }
1217                 }
1218                 wfOut( "ok\n" );
1219         }
1220 }
1221
1222 function do_category_population() {
1223         if( update_row_exists( 'populate category' ) ) {
1224                 wfOut( "...category table already populated.\n" );
1225                 return;
1226         }
1227         require_once( 'populateCategory.inc' );
1228         wfOut( "Populating category table, printing progress markers.  " ).
1229 "For large databases, you\n".
1230 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1231 "populateCategory.php.\n";
1232         populateCategory( '', 10, 0, true );
1233         wfOut( "Done populating category table.\n" );
1234 }
1235
1236 function do_populate_parent_id() {
1237         if( update_row_exists( 'populate rev_parent_id' ) ) {
1238                 wfOut( "...rev_parent_id column already populated.\n" );
1239                 return;
1240         }
1241         require_once( 'populateParentId.inc' );
1242
1243         global $wgDatabase;
1244         populate_rev_parent_id( $wgDatabase );
1245 }
1246
1247 function update_password_format() {
1248         if ( update_row_exists( 'password format' ) ) {
1249                 wfOut( "...password hash format already changed\n" );
1250                 return;
1251         }
1252
1253         wfOut( "Updating password hash format..." );
1254
1255         global $wgDatabase, $wgPasswordSalt;
1256         $user = $wgDatabase->tableName( 'user' );
1257         if ( $wgPasswordSalt ) {
1258                 $sql = "UPDATE $user SET user_password=CONCAT(':B:', user_id, ':', user_password) " .
1259                         "WHERE user_password NOT LIKE ':%'";
1260         } else {
1261                 $sql = "UPDATE $user SET user_password=CONCAT(':A:', user_password) " .
1262                         "WHERE user_password NOT LIKE ':%'";
1263         }
1264         $wgDatabase->query( $sql, __METHOD__ );
1265         $wgDatabase->insert( 'updatelog', array( 'ul_key' => 'password format' ), __METHOD__ );
1266
1267         wfOut( "done\n" );
1268 }
1269
1270 function sqlite_initial_indexes() {
1271         global $wgDatabase;
1272         if ( update_row_exists( 'initial_indexes' ) ) {
1273                 wfOut( "...have initial indexes\n" );
1274                 return;
1275         }
1276         wfOut( "Adding initial indexes..." );
1277         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1278         wfOut( "done\n" );
1279 }
1280
1281 function do_unique_pl_tl_il() {
1282         global $wgDatabase;
1283         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1284         if( is_array($info) && !$info[0]->Non_unique ) {
1285                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1286         } else {
1287                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1288                 dbsource( archive( 'patch-pl-tl-il-unique.sql' ), $wgDatabase );
1289                 wfOut( "ok\n" );
1290         }
1291 }
1292
1293 /***********************************************************************
1294  * Start PG crap
1295  * TODO: merge with above
1296  ***********************************************************************/
1297
1298 function
1299 pg_describe_table($table)
1300 {
1301 global  $wgDatabase, $wgDBmwschema;
1302         $q = <<<END
1303 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1304         WHERE pg_class.relnamespace = pg_namespace.oid
1305           AND attrelid=pg_class.oid AND attnum > 0
1306           AND relname=%s AND nspname=%s
1307 END;
1308         $res = $wgDatabase->query(sprintf($q,
1309                         $wgDatabase->addQuotes($table),
1310                         $wgDatabase->addQuotes($wgDBmwschema)));
1311         if (!$res)
1312                 return null;
1313
1314         $cols = array();
1315         while ($r = $wgDatabase->fetchRow($res)) {
1316                 $cols[] = array(
1317                                 "name" => $r[0],
1318                                 "ord" => $r[1],
1319                         );
1320         }
1321         return $cols;
1322 }
1323
1324 function
1325 pg_describe_index($idx)
1326 {
1327 global  $wgDatabase, $wgDBmwschema;
1328
1329         // first fetch the key (which is a list of columns ords) and
1330         // the table the index applies to (an oid)
1331         $q = <<<END
1332 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1333         WHERE nspname=%s
1334           AND pg_class.relnamespace = pg_namespace.oid
1335           AND relname=%s
1336           AND indexrelid=pg_class.oid
1337 END;
1338         $res = $wgDatabase->query(sprintf($q,
1339                         $wgDatabase->addQuotes($wgDBmwschema),
1340                         $wgDatabase->addQuotes($idx)));
1341         if (!$res)
1342                 return null;
1343         if (!($r = $wgDatabase->fetchRow($res))) {
1344                 $wgDatabase->freeResult($res);
1345                 return null;
1346         }
1347
1348         $indkey = $r[0];
1349         $relid = intval($r[1]);
1350         $indkeys = explode(" ", $indkey);
1351         $wgDatabase->freeResult($res);
1352
1353         $colnames = array();
1354         foreach ($indkeys as $rid) {
1355                 $query = <<<END
1356 SELECT attname FROM pg_class, pg_attribute
1357         WHERE attrelid=$relid
1358           AND attnum=%d
1359           AND attrelid=pg_class.oid
1360 END;
1361                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1362                 if (!$r2)
1363                         return null;
1364                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1365                         $wgDatabase->freeResult($r2);
1366                         return null;
1367                 }
1368                 $colnames[] = $row2[0];
1369                 $wgDatabase->freeResult($r2);
1370         }
1371
1372         return $colnames;
1373 }
1374
1375 function
1376 pg_index_exists($table, $index)
1377 {
1378 global  $wgDatabase, $wgDBmwschema;
1379         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1380                         array(  "indexname" => $index,
1381                                 "tablename" => $table,
1382                                 "schemaname" => $wgDBmwschema));
1383         return $exists === $index;
1384 }
1385
1386 function
1387 pg_fkey_deltype($fkey)
1388 {
1389 global  $wgDatabase, $wgDBmwschema;
1390         $q = <<<END
1391 SELECT confdeltype FROM pg_constraint, pg_namespace
1392         WHERE connamespace=pg_namespace.oid
1393           AND nspname=%s
1394           AND conname=%s;
1395 END;
1396         $r = $wgDatabase->query(sprintf($q,
1397                 $wgDatabase->addQuotes($wgDBmwschema),
1398                 $wgDatabase->addQuotes($fkey)));
1399         if (!($row = $wgDatabase->fetchRow($r)))
1400                 return null;
1401         return $row[0];
1402 }
1403
1404 function
1405 pg_rule_def($table, $rule)
1406 {
1407 global  $wgDatabase, $wgDBmwschema;
1408         $q = <<<END
1409 SELECT definition FROM pg_rules
1410         WHERE schemaname = %s
1411           AND tablename = %s
1412           AND rulename = %s
1413 END;
1414         $r = $wgDatabase->query(sprintf($q,
1415                         $wgDatabase->addQuotes($wgDBmwschema),
1416                         $wgDatabase->addQuotes($table),
1417                         $wgDatabase->addQuotes($rule)));
1418         $row = $wgDatabase->fetchRow($r);
1419         if (!$row)
1420                 return null;
1421         $d = $row[0];
1422         $wgDatabase->freeResult($r);
1423         return $d;
1424 }
1425
1426 function do_postgres_updates() {
1427         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1428
1429         ## Gather version numbers in case we need them
1430         $version = $wgDatabase->getServerVersion(); ## long string
1431         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1432
1433         $wgShowExceptionDetails = 1;
1434
1435         # Just in case their LocalSettings.php does not have this:
1436         if ( !isset( $wgDBmwschema ))
1437                 $wgDBmwschema = 'mediawiki';
1438
1439         # Verify that this user is configured correctly
1440         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1441         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1442         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1443         $conf = array();
1444         foreach( explode( '*', $config ) as $c ) {
1445                 list( $x,$y ) = explode( '=', $c );
1446                 $conf[$x] = $y;
1447         }
1448         if( !array_key_exists( 'search_path', $conf ) ) {
1449                 $search_path = '';
1450         }
1451         else {
1452                 $search_path = $conf['search_path'];
1453         }
1454         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1455                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1456                 $search_path = "$wgDBmwschema, $search_path";
1457         }
1458         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1459                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1460                 $search_path = "$search_path, $wgDBts2schema";
1461         }
1462         $search_path = str_replace( ', ,', ',', $search_path);
1463         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1464                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1465                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1466         }
1467         else {
1468                 $path = $conf['search_path'];
1469                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1470         }
1471         $goodconf = array(
1472                 'client_min_messages' => 'error',
1473                 'DateStyle'           => 'ISO, YMD',
1474                 'TimeZone'            => 'GMT'
1475         );
1476         foreach( array_keys( $goodconf ) AS $key ) {
1477                 $value = $goodconf[$key];
1478                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1479                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1480                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1481                         $wgDatabase->doQuery( "SET $key = '$value'" );
1482                 }
1483                 else {
1484                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1485                 }
1486         }
1487
1488         $newsequences = array(
1489                 "log_log_id_seq",
1490                 "pr_id_val",
1491         );
1492
1493         $newtables = array(
1494                 array("category",          "patch-category.sql"),
1495                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1496                 array("mwuser",            "patch-mwuser.sql"),
1497                 array("pagecontent",       "patch-pagecontent.sql"),
1498                 array("querycachetwo",     "patch-querycachetwo.sql"),
1499                 array("page_props",        "patch-page_props.sql"),
1500                 array("page_restrictions", "patch-page_restrictions.sql"),
1501                 array("profiling",         "patch-profiling.sql"),
1502                 array("protected_titles",  "patch-protected_titles.sql"),
1503                 array("redirect",          "patch-redirect.sql"),
1504                 array("updatelog",         "patch-updatelog.sql"),
1505                 array('change_tag',        'patch-change_tag.sql'),
1506                 array('tag_summary',       'patch-change_tag.sql'),
1507                 array('valid_tag',         'patch-change_tag.sql'),
1508                 array('user_properties',   'patch-user_properties.sql'),
1509         );
1510
1511         $newcols = array(
1512                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1513                 array("archive",       "ar_len",               "INTEGER"),
1514                 array("archive",       "ar_page_id",           "INTEGER"),
1515                 array("archive",       "ar_parent_id",         "INTEGER"),
1516                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1517                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1518                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1519                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1520                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1521                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1522                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1523                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1524                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1525                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1526                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('log_log_id_seq')"),
1527                 array("logging",       "log_params",           "TEXT"),
1528                 array("mwuser",        "user_editcount",       "INTEGER"),
1529                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1530                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1531                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1532                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1533                 array("oldimage",      "oi_media_type",        "TEXT"),
1534                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1535                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1536                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1537                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('pr_id_val')"),
1538                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1539                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1540                 array("recentchanges", "rc_log_action",        "TEXT"),
1541         array("recentchanges", "rc_log_type",          "TEXT"),
1542         array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1543                 array("recentchanges", "rc_new_len",           "INTEGER"),
1544                 array("recentchanges", "rc_old_len",           "INTEGER"),
1545                 array("recentchanges", "rc_params",            "TEXT"),
1546                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1547                 array("revision",      "rev_len",              "INTEGER"),
1548                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1549                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1550                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1551         );
1552
1553
1554         # table, column, desired type, USING clause if needed (with new default if needed)
1555         $typechanges = array(
1556                 array("archive",      "ar_deleted",      "smallint", ""),
1557                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1558                 array("filearchive",  "fa_deleted",      "smallint", ""),
1559                 array("filearchive",  "fa_height",       "integer",  ""),
1560                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1561                 array("filearchive",  "fa_size",         "integer",  ""),
1562                 array("filearchive",  "fa_width",        "integer",  ""),
1563                 array("filearchive",  "fa_storage_group","text",     ""),
1564                 array("filearchive",  "fa_storage_key",  "text",     ""),
1565                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1566                 array("image",        "img_size",        "integer",  ""),
1567                 array("image",        "img_width",       "integer",  ""),
1568                 array("image",        "img_height",      "integer",  ""),
1569                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1570                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1571                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1572                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1573                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1574                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1575                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1576                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1577                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1578                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1579                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1580                 array("mwuser",       "user_token",      "text",     ""),
1581                 array("mwuser",       "user_email_token","text",     ""),
1582                 array("objectcache",  "keyname",         "text",     ""),
1583                 array("oldimage",     "oi_height",       "integer",  ""),
1584                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1585                 array("oldimage",     "oi_size",         "integer",  ""),
1586                 array("oldimage",     "oi_width",        "integer",  ""),
1587                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1588                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1589                 array("querycache",   "qc_value",        "integer",  ""),
1590                 array("querycachetwo","qcc_value",       "integer",  ""),
1591                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1592                 array("recentchanges","rc_deleted",      "smallint", ""),
1593                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1594                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1595                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1596                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1597                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1598                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1599                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1600                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1601         );
1602
1603         # table, column, nullability
1604         $nullchanges = array(
1605                 array("oldimage", "oi_bits",       "NULL"),
1606                 array("oldimage", "oi_timestamp",  "NULL"),
1607                 array("oldimage", "oi_major_mime", "NULL"),
1608                 array("oldimage", "oi_minor_mime", "NULL"),
1609         );
1610
1611         $newindexes = array(
1612                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1613                 array("image",         "img_sha1",           "(img_sha1)"),
1614                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1615                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1616                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1617                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1618                 array("watchlist",     "wl_user",            "(wl_user)"),
1619         );
1620
1621         $newrules = array(
1622         );
1623
1624         foreach ($newsequences as $ns) {
1625                 if ($wgDatabase->sequenceExists($ns)) {
1626                         wfOut( "... sequence \"$ns\" already exists\n" );
1627                         continue;
1628                 }
1629
1630                 wfOut( "Creating sequence \"$ns\"\n" );
1631                 $wgDatabase->query("CREATE SEQUENCE $ns");
1632         }
1633
1634         foreach ($newtables as $nt) {
1635                 if ($wgDatabase->tableExists($nt[0])) {
1636                         wfOut( "... table \"$nt[0]\" already exists\n" );
1637                         continue;
1638                 }
1639
1640                 wfOut( "Creating table \"$nt[0]\"\n" );
1641                 dbsource(archive($nt[1]));
1642         }
1643
1644         ## Needed before newcols
1645         if ($wgDatabase->tableExists("archive2")) {
1646                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1647                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1648                         wfOut( "Dropping rule \"archive_insert\"\n" );
1649                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1650                 }
1651                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1652                         wfOut( "Dropping rule \"archive_delete\"\n" );
1653                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1654                 }
1655                 dbsource(archive("patch-remove-archive2.sql"));
1656         }
1657         else
1658                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1659
1660         foreach ($newcols as $nc) {
1661                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1662                 if (!is_null($fi)) {
1663                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1664                         continue;
1665                 }
1666
1667                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1668                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1669         }
1670
1671         foreach ($typechanges as $tc) {
1672                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1673                 if (is_null($fi)) {
1674                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1675                         exit(1);
1676                 }
1677
1678                 if ($fi->type() === $tc[2])
1679                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1680                 else {
1681                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1682                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1683                         if (strlen($tc[3])) {
1684                                 $default = array();
1685                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1686                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1687                                         $wgDatabase->query($sqldef);
1688                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1689                                 }
1690                                 $sql .= " USING $tc[3]";
1691                         }
1692                         $sql .= ";\nCOMMIT;\n";
1693                         $wgDatabase->query($sql);
1694                 }
1695         }
1696
1697         foreach ($nullchanges as $nc) {
1698                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1699                 if (is_null($fi)) {
1700                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1701                         exit(1);
1702                 }
1703                 if ($fi->nullable()) {
1704                         ## It's NULL - does it need to be NOT NULL?
1705                         if ('NOT NULL' === $nc[2]) {
1706                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1707                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1708                         }
1709                         else {
1710                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1711                         }
1712                 }
1713                 else {
1714                         ## It's NOT NULL - does it need to be NULL?
1715                         if ('NULL' === $nc[2]) {
1716                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1717                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1718                         }
1719                         else {
1720                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1721                         }
1722                 }
1723         }
1724
1725         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1726                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1727                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1728                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1729                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1730         }
1731         else
1732                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1733
1734
1735         foreach ($newindexes as $ni) {
1736                 if (pg_index_exists($ni[0], $ni[1])) {
1737                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1738                         continue;
1739                 }
1740                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1741                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1742         }
1743
1744         foreach ($newrules as $nr) {
1745                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1746                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1747                         continue;
1748                 }
1749                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1750                 dbsource(archive($nr[2]));
1751         }
1752
1753         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1754                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete\n" );
1755                 $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1756                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascade ".
1757                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE" );
1758         }
1759         else
1760                 wfOut( "... table \"oldimage\" has correct cascade delete foreign key to image\n" );
1761
1762         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1763                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1764                 dbsource(archive('patch-page_deleted.sql'));
1765         }
1766         else
1767                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1768
1769         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1770         if (!$fi->nullable()) {
1771                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1772                 dbsource(archive('patch-rc_cur_id-not-null.sql'));
1773         }
1774         else
1775                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1776
1777         $pu = pg_describe_index("pagelink_unique");
1778         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1779                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1780                 $wgDatabase->query("DROP INDEX pagelink_unique");
1781                 $pu = null;
1782         }
1783         else
1784                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1785
1786         if (is_null($pu)) {
1787                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1788                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1789         }
1790         else
1791                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1792
1793         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1794                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1795         }
1796         else {
1797                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1798                 dbsource(archive('patch-revision_rev_user_fkey.sql'));
1799         }
1800
1801         # Fix ipb_address index
1802         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1803                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1804                 $wgDatabase->query('DROP INDEX ipb_address');
1805         }
1806         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1807                 wfOut( "... have ipb_address_unique\n" );
1808         }
1809         else {
1810                 wfOut( "Adding ipb_address_unique index\n" );
1811                 dbsource(archive('patch-ipb_address_unique.sql'));
1812         }
1813
1814         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1815         # Add missing extension tables
1816         foreach ( $wgExtNewTables as $nt ) {
1817                 if ($wgDatabase->tableExists($nt[0])) {
1818                         wfOut( "... table \"$nt[0]\" already exists\n" );
1819                         continue;
1820                 }
1821                 wfOut( "Creating table \"$nt[0]\"\n" );
1822                 dbsource($nt[1]);
1823         }
1824         # Add missing extension fields
1825         foreach ( $wgExtPGNewFields as $nc ) {
1826                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1827                 if (!is_null($fi)) {
1828                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1829                         continue;
1830                 }
1831                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1832                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1833         }
1834         # Change altered columns
1835         foreach ( $wgExtPGAlteredFields as $nc ) {
1836                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1837                 if (is_null($fi)) {
1838                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1839                         continue;
1840                 }
1841                 $oldtype = $fi->type();
1842                 $newtype = strtolower( $nc[2] );
1843                 if ($oldtype === $newtype) {
1844                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1845                         continue;
1846                 }
1847                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1848                 if ( isset( $nc[3] ) ) {
1849                         $command .= " USING $nc[3]";
1850                 }
1851                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1852                 $wgDatabase->query( $command );
1853         }
1854         # Add missing extension indexes
1855         foreach ( $wgExtNewIndexes as $ni ) {
1856                 if (pg_index_exists($ni[0], $ni[1])) {
1857                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1858                         continue;
1859                 }
1860                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
1861                 if ( preg_match( '/^\(/', $ni[2] ) ) {
1862                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1863                 }
1864                 else {
1865                         dbsource($ni[2]);
1866                 }
1867         }
1868
1869         # Tweak the page_title tsearch2 trigger to filter out slashes
1870         # This is create or replace, so harmless to call if not needed
1871         dbsource(archive('patch-ts2pagetitle.sql'));
1872
1873         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
1874         ## in case they have the old 'default' versions
1875         if ( $numver >= 8.3 )
1876                 dbsource(archive('patch-tsearch2funcs.sql'));
1877
1878         ## Put a new row in the mediawiki_version table
1879         $wgDatabase->insert( 'mediawiki_version',
1880                 array(
1881                         'type' => 'Update',
1882                         'ctype' => 'U',
1883                         'mw_version' => $wgVersion,
1884                         'pg_version' => $version,
1885                         'sql_version' => '$LastChangedRevision$',
1886                         'sql_date' => '$LastChangedDate$',
1887                 ) );
1888         return;
1889 }