maintenance/updaters.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 if ( !defined( 'MEDIAWIKI' ) ) {
   8         echo "This file is not a valid entry point\n";
   9         exit( 1 );
  10 }
  11
  12 require_once 'convertLinks.inc';
  13 require_once 'userDupes.inc';
  14 # Extension updates
  15 require_once( "$IP/includes/Hooks.php" );
  16
  17 /**
  18  * List of update functions to call for each DB type, in sequence. First item
  19  * is function name, rest are parameters to pass.
  20  */
  21 $wgUpdates = array(
  22         'mysql' => array(
  23                 // 1.2
  24                 // update_passwords obsolete
  25                 array( 'add_field', 'ipblocks',      'ipb_id',           'patch-ipblocks.sql' ),
  26                 array( 'add_field', 'ipblocks',      'ipb_expiry',       'patch-ipb_expiry.sql' ),
  27                 array( 'do_interwiki_update' ),
  28                 array( 'do_index_update' ),
  29                 // do_linkscc_update obsolete
  30                 array( 'add_table', 'hitcounter',                        'patch-hitcounter.sql' ),
  31                 array( 'add_field', 'recentchanges', 'rc_type',          'patch-rc_type.sql' ),
  32
  33                 // 1.3
  34                 array( 'add_field', 'user',          'user_real_name',   'patch-user-realname.sql' ),
  35                 array( 'add_table', 'querycache',                        'patch-querycache.sql' ),
  36                 array( 'add_table', 'objectcache',                       'patch-objectcache.sql' ),
  37                 array( 'add_table', 'categorylinks',                     'patch-categorylinks.sql' ),
  38                 // do_linkscc_1_3_update obsolete
  39                 array( 'do_old_links_update' ),
  40                 array( 'fix_ancient_imagelinks' ),
  41                 array( 'add_field', 'recentchanges', 'rc_ip',            'patch-rc_ip.sql' ),
  42
  43                 // 1.4
  44                 array( 'do_image_name_unique_update' ),
  45                 array( 'add_field', 'recentchanges', 'rc_id',            'patch-rc_id.sql' ),
  46                 array( 'add_field', 'recentchanges', 'rc_patrolled',     'patch-rc-patrol.sql' ),
  47                 array( 'add_table', 'logging',                           'patch-logging.sql' ),
  48                 // do_user_rights_update obsolete
  49                 array( 'add_field', 'user',          'user_token',       'patch-user_token.sql' ),
  50                 // old, old_articleid, patch-remove-old-title-namespace.sql obsolete
  51                 // user_groups, patch-userlevels.sql obsolete
  52                 // do_group_update() obsolete
  53                 array( 'do_watchlist_update' ),
  54                 array( 'do_user_update' ),
  55                 // do_copy_newtalk_to_watchlist obsolete
  56
  57                 // 1.5
  58                 array( 'do_schema_restructuring' ),
  59                 array( 'add_field', 'logging',       'log_params',       'patch-log_params.sql' ),
  60                 array( 'check_bin', 'logging',       'log_title',        'patch-logging-title.sql', ),
  61                 array( 'add_field', 'archive',       'ar_rev_id',        'patch-archive-rev_id.sql' ),
  62                 array( 'add_field', 'page',          'page_len',         'patch-page_len.sql' ),
  63                 array( 'do_inverse_timestamp' ),
  64                 array( 'do_text_id' ),
  65                 array( 'add_field', 'revision',      'rev_deleted',      'patch-rev_deleted.sql' ),
  66                 array( 'add_field', 'image',         'img_width',        'patch-img_width.sql' ),
  67                 array( 'add_field', 'image',         'img_metadata',     'patch-img_metadata.sql' ),
  68                 array( 'add_field', 'user',          'user_email_token', 'patch-user_email_token.sql' ),
  69                 array( 'add_field', 'archive',       'ar_text_id',       'patch-archive-text_id.sql' ),
  70                 array( 'do_namespace_size' ),
  71                 array( 'add_field', 'image',         'img_media_type',   'patch-img_media_type.sql' ),
  72                 array( 'do_pagelinks_update' ),
  73                 array( 'do_drop_img_type' ),
  74                 array( 'do_user_unique_update' ),
  75                 array( 'do_user_groups_update' ),
  76                 array( 'add_field', 'site_stats',    'ss_total_pages',   'patch-ss_total_articles.sql' ),
  77                 array( 'add_table', 'user_newtalk',                      'patch-usernewtalk2.sql' ),
  78                 array( 'add_table', 'transcache',                        'patch-transcache.sql' ),
  79                 array( 'add_field', 'interwiki',     'iw_trans',         'patch-interwiki-trans.sql' ),
  80                 array( 'add_table', 'trackbacks',                        'patch-trackbacks.sql' ),
  81
  82                 // 1.6
  83                 array( 'do_watchlist_null' ),
  84                 // do_image_index_update obsolete
  85                 array( 'do_logging_timestamp_index' ),
  86                 array( 'add_field', 'ipblocks',        'ipb_range_start',  'patch-ipb_range_start.sql' ),
  87                 array( 'do_page_random_update' ),
  88                 array( 'add_field', 'user',            'user_registration','patch-user_registration.sql' ),
  89                 array( 'do_templatelinks_update' ),
  90                 array( 'add_table', 'externallinks',                       'patch-externallinks.sql' ),
  91                 array( 'add_table', 'job',                                 'patch-job.sql' ),
  92                 array( 'add_field', 'site_stats',      'ss_images',        'patch-ss_images.sql' ),
  93                 array( 'add_table', 'langlinks',                           'patch-langlinks.sql' ),
  94                 array( 'add_table', 'querycache_info',                     'patch-querycacheinfo.sql' ),
  95                 array( 'add_table', 'filearchive',                         'patch-filearchive.sql' ),
  96                 array( 'add_field', 'ipblocks',        'ipb_anon_only',    'patch-ipb_anon_only.sql' ),
  97                 array( 'do_rc_indices_update' ),
  98
  99                 // 1.9
 100                 array( 'add_field', 'user',          'user_newpass_time', 'patch-user_newpass_time.sql' ),
 101                 array( 'add_table', 'redirect',                           'patch-redirect.sql' ),
 102                 array( 'add_table', 'querycachetwo',                      'patch-querycachetwo.sql' ),
 103                 array( 'add_field', 'ipblocks',      'ipb_enable_autoblock', 'patch-ipb_optional_autoblock.sql' ),
 104                 array( 'do_backlinking_indices_update' ),
 105                 array( 'add_field', 'recentchanges', 'rc_old_len',        'patch-rc_len.sql' ),
 106                 array( 'add_field', 'user',          'user_editcount',    'patch-user_editcount.sql' ),
 107
 108                 // 1.10
 109                 array( 'do_restrictions_update' ),
 110                 array( 'add_field', 'logging',       'log_id',           'patch-log_id.sql' ),
 111                 array( 'add_field', 'revision',      'rev_parent_id',    'patch-rev_parent_id.sql' ),
 112                 array( 'add_field', 'page_restrictions', 'pr_id',        'patch-page_restrictions_sortkey.sql' ),
 113                 array( 'add_field', 'revision',      'rev_len',          'patch-rev_len.sql' ),
 114                 array( 'add_field', 'recentchanges', 'rc_deleted',       'patch-rc_deleted.sql' ),
 115                 array( 'add_field', 'logging',       'log_deleted',      'patch-log_deleted.sql' ),
 116                 array( 'add_field', 'archive',       'ar_deleted',       'patch-ar_deleted.sql' ),
 117                 array( 'add_field', 'ipblocks',      'ipb_deleted',      'patch-ipb_deleted.sql' ),
 118                 array( 'add_field', 'filearchive',   'fa_deleted',       'patch-fa_deleted.sql' ),
 119                 array( 'add_field', 'archive',       'ar_len',           'patch-ar_len.sql' ),
 120
 121                 // 1.11
 122                 array( 'add_field', 'ipblocks',      'ipb_block_email',  'patch-ipb_emailban.sql' ),
 123                 array( 'do_categorylinks_indices_update' ),
 124                 array( 'add_field', 'oldimage',      'oi_metadata',      'patch-oi_metadata.sql'),
 125                 array( 'do_archive_user_index' ),
 126                 array( 'do_image_user_index' ),
 127                 array( 'do_oldimage_user_index' ),
 128                 array( 'add_field', 'archive',       'ar_page_id',       'patch-archive-page_id.sql'),
 129                 array( 'add_field', 'image',         'img_sha1',         'patch-img_sha1.sql' ),
 130
 131                 // 1.12
 132                 array( 'add_table', 'protected_titles',                  'patch-protected_titles.sql' ),
 133
 134                 // 1.13
 135                 array( 'add_field', 'ipblocks',      'ipb_by_text',      'patch-ipb_by_text.sql' ),
 136                 array( 'add_table', 'page_props',                        'patch-page_props.sql' ),
 137                 array( 'add_table', 'updatelog',                         'patch-updatelog.sql' ),
 138                 array( 'add_table', 'category',                          'patch-category.sql' ),
 139                 array( 'do_category_population' ),
 140                 array( 'add_field', 'archive',       'ar_parent_id',     'patch-ar_parent_id.sql'),
 141                 array( 'add_field', 'user_newtalk',  'user_last_timestamp', 'patch-user_last_timestamp.sql'),
 142                 array( 'do_populate_parent_id' ),
 143                 array( 'check_bin', 'protected_titles', 'pt_title',      'patch-pt_title-encoding.sql', ),
 144                 array( 'maybe_do_profiling_memory_update' ),
 145                 array( 'do_filearchive_indices_update' ),
 146
 147                 // 1.14
 148                 array( 'add_field', 'site_stats',    'ss_active_users',  'patch-ss_active_users.sql' ),
 149                 array( 'do_active_users_init' ),
 150                 array( 'add_field', 'ipblocks',      'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ),
 151
 152                 // 1.15
 153                 array( 'do_unique_pl_tl_il' ),
 154                 array( 'add_table', 'change_tag',                        'patch-change_tag.sql' ),
 155                 array( 'add_table', 'tag_summary',                       'patch-change_tag.sql' ),
 156                 array( 'add_table', 'valid_tag',                         'patch-change_tag.sql' ),
 157
 158                 // 1.16
 159                 array( 'add_table', 'user_properties',                   'patch-user_properties.sql' ),
 160                 array( 'add_table', 'log_search',                        'patch-log_search.sql' ),
 161                 array( 'do_log_search_population' ),
 162                 array( 'add_field', 'logging',       'log_user_text',    'patch-log_user_text.sql' ),
 163                 array( 'add_table', 'l10n_cache',                        'patch-l10n_cache.sql' ),
 164                 array( 'add_table', 'external_user',                     'patch-external_user.sql' ),
 165                 array( 'add_index', 'log_search',    'ls_field_val',     'patch-log_search-rename-index.sql' ),
 166                 array( 'add_index', 'change_tag',    'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 167                 array( 'add_field', 'redirect',      'rd_interwiki',     'patch-rd_interwiki.sql' ),
 168                 array( 'do_update_transcache_field' ),
 169                 // A field changed name mid-release cycle, so fix it for anyone using
 170                 // trunk
 171                 array( 'rename_eu_wiki_id' ),
 172                 array( 'do_update_mime_minor_field' ),
 173                 // Should've done this back in 1.10, but better late than never:
 174                 array( 'do_populate_rev_len' ),
 175
 176                 // 1.17
 177                 array( 'add_table', 'iwlinks',                           'patch-iwlinks.sql' ),
 178         ),
 179
 180         'sqlite' => array(
 181                 // 1.14
 182                 array( 'add_field', 'site_stats',    'ss_active_users',  'patch-ss_active_users.sql' ),
 183                 array( 'do_active_users_init' ),
 184                 array( 'add_field', 'ipblocks',      'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ),
 185                 array( 'sqlite_initial_indexes' ),
 186
 187                 // 1.15
 188                 array( 'add_table', 'change_tag',                        'patch-change_tag.sql' ),
 189                 array( 'add_table', 'tag_summary',                       'patch-change_tag.sql' ),
 190                 array( 'add_table', 'valid_tag',                         'patch-change_tag.sql' ),
 191
 192                 // 1.16
 193                 array( 'add_table', 'user_properties',                   'patch-user_properties.sql' ),
 194                 array( 'add_table', 'log_search',                        'patch-log_search.sql' ),
 195                 array( 'do_log_search_population' ),
 196                 array( 'add_field', 'logging',       'log_user_text',    'patch-log_user_text.sql' ),
 197                 array( 'add_table', 'l10n_cache',                        'patch-l10n_cache.sql' ),
 198                 array( 'add_table', 'external_user',                     'patch-external_user.sql' ),
 199                 array( 'add_index', 'log_search',    'ls_field_val',     'patch-log_search-rename-index.sql' ),
 200                 array( 'add_index', 'change_tag',    'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
 201                 array( 'add_field', 'redirect',      'rd_interwiki',     'patch-rd_interwiki.sql' ),
 202                 array( 'do_update_transcache_field' ),
 203                 // version-independent searchindex setup, added in 1.16
 204                 array( 'sqlite_setup_searchindex' ),
 205
 206                 // 1.17
 207                 array( 'add_table', 'iwlinks',                           'patch-iwlinks.sql' ), // @fixme so far untested on sqlite 2010-04-16
 208         ),
 209 );
 210
 211
 212 # For extensions only, should be populated via hooks
 213 # $wgDBtype should be checked to specifiy the proper file
 214 $wgExtNewTables = array(); // table, dir
 215 $wgExtNewFields = array(); // table, column, dir
 216 $wgExtPGNewFields = array(); // table, column, column attributes; for PostgreSQL
 217 $wgExtPGAlteredFields = array(); // table, column, new type, conversion method; for PostgreSQL
 218 $wgExtNewIndexes = array(); // table, index, dir
 219 $wgExtModifiedFields = array(); //table, index, dir
 220
 221 # Helper function: check if the given key is present in the updatelog table.
 222 # Obviously, only use this for updates that occur after the updatelog table was
 223 # created!
 224 function update_row_exists( $key ) {
 225         $dbr = wfGetDB( DB_SLAVE );
 226         $row = $dbr->selectRow(
 227                 'updatelog',
 228                 '1',
 229                 array( 'ul_key' => $key ),
 230                 __FUNCTION__
 231         );
 232         return (bool)$row;
 233 }
 234
 235 function rename_table( $from, $to, $patch ) {
 236         global $wgDatabase;
 237         if ( $wgDatabase->tableExists( $from ) ) {
 238                 if ( $wgDatabase->tableExists( $to ) ) {
 239                         wfOut( "...can't move table $from to $to, $to already exists.\n" );
 240                 } else {
 241                         wfOut( "Moving table $from to $to..." );
 242                         $wgDatabase->sourceFile( archive($patch) );
 243                         wfOut( "ok\n" );
 244                 }
 245         } else {
 246                 // Source table does not exist
 247                 // Renames are done before creations, so this is typical for a new installation
 248                 // Ignore silently
 249         }
 250 }
 251
 252 function add_table( $name, $patch, $fullpath=false ) {
 253         global $wgDatabase;
 254         if ( $wgDatabase->tableExists( $name ) ) {
 255                 wfOut( "...$name table already exists.\n" );
 256         } else {
 257                 wfOut( "Creating $name table..." );
 258                 if( $fullpath ) {
 259                         $wgDatabase->sourceFile( $patch );
 260                 } else {
 261                         $wgDatabase->sourceFile( archive($patch) );
 262                 }
 263                 wfOut( "ok\n" );
 264         }
 265 }
 266
 267 function modify_field($table, $field, $patch, $fullpath=false){
 268         global $wgDatabase;
 269         if ( !$wgDatabase->tableExists( $table ) ) {
 270                 wfOut( "...$table table does not exist, skipping modify field patch\n" );
 271         } elseif (! $wgDatabase->fieldExists( $table, $field ) ) {
 272                 wfOut( "...$field field does not exist in $table table, skipping modify field patch\n" );
 273         } else {
 274                 wfOut( "Modifying $field field of table $table..." );
 275                 if( $fullpath ) {
 276                         $wgDatabase->sourceFile( $patch );
 277                 } else {
 278                         $wgDatabase->sourceFile( archive($patch) );
 279                 }
 280                 wfOut( "ok\n" );
 281         }
 282 }
 283
 284
 285
 286 function add_field( $table, $field, $patch, $fullpath=false ) {
 287         global $wgDatabase;
 288         if ( !$wgDatabase->tableExists( $table ) ) {
 289                 wfOut( "...$table table does not exist, skipping new field patch\n" );
 290         } elseif ( $wgDatabase->fieldExists( $table, $field ) ) {
 291                 wfOut( "...have $field field in $table table.\n" );
 292         } else {
 293                 wfOut( "Adding $field field to table $table..." );
 294                 if( $fullpath ) {
 295                         $wgDatabase->sourceFile( $patch );
 296                 } else {
 297                         $wgDatabase->sourceFile( archive($patch) );
 298                 }
 299                 wfOut( "ok\n" );
 300         }
 301 }
 302
 303 function add_index( $table, $index, $patch, $fullpath=false ) {
 304         global $wgDatabase;
 305         if( $wgDatabase->indexExists( $table, $index ) ) {
 306                 wfOut( "...$index key already set on $table table.\n" );
 307         } else {
 308                 wfOut( "Adding $index key to table $table... " );
 309                 if( $fullpath ) {
 310                         $wgDatabase->sourceFile( $patch );
 311                 } else {
 312                         $wgDatabase->sourceFile( archive($patch) );
 313                 }
 314                 wfOut( "ok\n" );
 315         }
 316 }
 317
 318 function do_interwiki_update() {
 319         # Check that interwiki table exists; if it doesn't source it
 320         global $wgDatabase, $IP;
 321         if( $wgDatabase->tableExists( "interwiki" ) ) {
 322                 wfOut( "...already have interwiki table\n" );
 323                 return true;
 324         }
 325         wfOut( "Creating interwiki table: " );
 326         $wgDatabase->sourceFile( archive("patch-interwiki.sql") );
 327         wfOut( "ok\n" );
 328         wfOut( "Adding default interwiki definitions: " );
 329         $wgDatabase->sourceFile( "$IP/maintenance/interwiki.sql" );
 330         wfOut( "ok\n" );
 331 }
 332
 333 function do_index_update() {
 334         # Check that proper indexes are in place
 335         global $wgDatabase;
 336         $meta = $wgDatabase->fieldInfo( "recentchanges", "rc_timestamp" );
 337         if( !$meta->isMultipleKey() ) {
 338                 wfOut( "Updating indexes to 20031107: " );
 339                 $wgDatabase->sourceFile( archive("patch-indexes.sql") );
 340                 wfOut( "ok\n" );
 341                 return true;
 342         }
 343         wfOut( "...indexes seem up to 20031107 standards\n" );
 344         return false;
 345 }
 346
 347 function do_image_index_update() {
 348         global $wgDatabase;
 349
 350         $meta = $wgDatabase->fieldInfo( "image", "img_major_mime" );
 351         if( !$meta->isMultipleKey() ) {
 352                 wfOut( "Updating indexes to 20050912: " );
 353                 $wgDatabase->sourceFile( archive("patch-mimesearch-indexes.sql") );
 354                 wfOut( "ok\n" );
 355                 return true;
 356         }
 357         wfOut( "...indexes seem up to 20050912 standards\n" );
 358         return false;
 359 }
 360
 361 function do_image_name_unique_update() {
 362         global $wgDatabase;
 363         if( $wgDatabase->indexExists( 'image', 'PRIMARY' ) ) {
 364                 wfOut( "...image primary key already set.\n" );
 365         } else {
 366                 wfOut( "Making img_name the primary key... " );
 367                 $wgDatabase->sourceFile( archive("patch-image_name_primary.sql") );
 368                 wfOut( "ok\n" );
 369         }
 370 }
 371
 372 function do_logging_timestamp_index() {
 373         global $wgDatabase;
 374         if( $wgDatabase->indexExists( 'logging', 'times' ) ) {
 375                 wfOut( "...timestamp key on logging already exists.\n" );
 376         } else {
 377                 wfOut( "Adding timestamp key on logging table... " );
 378                 $wgDatabase->sourceFile( archive("patch-logging-times-index.sql") );
 379                 wfOut( "ok\n" );
 380         }
 381 }
 382
 383 function do_archive_user_index() {
 384         global $wgDatabase;
 385         if( $wgDatabase->indexExists( 'archive', 'usertext_timestamp' ) ) {
 386                 wfOut( "...usertext,timestamp key on archive already exists.\n" );
 387         } else {
 388                 wfOut( "Adding usertext,timestamp key on archive table... " );
 389                 $wgDatabase->sourceFile( archive("patch-archive-user-index.sql") );
 390                 wfOut( "ok\n" );
 391         }
 392 }
 393
 394 function do_image_user_index() {
 395         global $wgDatabase;
 396         if( $wgDatabase->indexExists( 'image', 'img_usertext_timestamp' ) ) {
 397                 wfOut( "...usertext,timestamp key on image already exists.\n" );
 398         } else {
 399                 wfOut( "Adding usertext,timestamp key on image table... " );
 400                 $wgDatabase->sourceFile( archive("patch-image-user-index.sql") );
 401                 wfOut( "ok\n" );
 402         }
 403 }
 404
 405 function do_oldimage_user_index() {
 406         global $wgDatabase;
 407         if( $wgDatabase->indexExists( 'oldimage', 'oi_usertext_timestamp' ) ) {
 408                 wfOut( "...usertext,timestamp key on oldimage already exists.\n" );
 409         } else {
 410                 wfOut( "Adding usertext,timestamp key on oldimage table... " );
 411                 $wgDatabase->sourceFile( archive("patch-oldimage-user-index.sql") );
 412                 wfOut( "ok\n" );
 413         }
 414 }
 415
 416 function do_watchlist_update() {
 417         global $wgDatabase;
 418         $fname = 'do_watchlist_update';
 419         if( $wgDatabase->fieldExists( 'watchlist', 'wl_notificationtimestamp' ) ) {
 420                 wfOut( "The watchlist table is already set up for email notification.\n" );
 421         } else {
 422                 wfOut( "Adding wl_notificationtimestamp field for email notification management." );
 423                 /* ALTER TABLE watchlist ADD (wl_notificationtimestamp varchar(14) binary NOT NULL default '0'); */
 424                 $wgDatabase->sourceFile( archive( 'patch-email-notification.sql' ) );
 425                 wfOut( "ok\n" );
 426         }
 427         # Check if we need to add talk page rows to the watchlist
 428         $talk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', $fname );
 429         $nontalk = $wgDatabase->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', $fname );
 430         if ( $talk != $nontalk ) {
 431                 wfOut( "Adding missing watchlist talk page rows... " );
 432                 flush();
 433
 434                 $wgDatabase->insertSelect( 'watchlist', 'watchlist',
 435                         array(
 436                                 'wl_user' => 'wl_user',
 437                                 'wl_namespace' => 'wl_namespace | 1',
 438                                 'wl_title' => 'wl_title',
 439                                 'wl_notificationtimestamp' => 'wl_notificationtimestamp'
 440                         ), array( 'NOT (wl_namespace & 1)' ), $fname, 'IGNORE' );
 441                 wfOut( "ok\n" );
 442         } else {
 443                 wfOut( "...watchlist talk page rows already present\n" );
 444         }
 445 }
 446
 447 function do_copy_newtalk_to_watchlist() {
 448         global $wgDatabase;
 449         global $wgCommandLineMode; # this needs to be saved while getID() and getName() are called
 450
 451         $res = $wgDatabase->safeQuery( 'SELECT user_id, user_ip FROM !',
 452                 $wgDatabase->tableName( 'user_newtalk' ) );
 453         $num_newtalks=$wgDatabase->numRows($res);
 454         wfOut( "Now converting $num_newtalks user_newtalk entries to watchlist table entries ... \n" );
 455
 456         $user = new User();
 457         for ( $i = 1; $i <= $num_newtalks; $i++ ) {
 458                 $wluser = $wgDatabase->fetchObject( $res );
 459                 if ($wluser->user_id == 0) { # anonymous users ... have IP numbers as "names"
 460                         if ($user->isIP($wluser->user_ip)) { # do only if it really looks like an IP number (double checked)
 461                                 $wgDatabase->replace( 'watchlist',
 462                                         array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 463                                         array('wl_user' => 0,
 464                                                 'wl_namespace' => NS_USER_TALK,
 465                                                 'wl_title' => $wluser->user_ip,
 466                                                 'wl_notificationtimestamp' => '19700101000000'
 467                                                 ), 'updaters.inc::do_watchlist_update2'
 468                                         );
 469                         }
 470                 } else { # normal users ... have user_ids
 471                         $user->setID($wluser->user_id);
 472                         $wgDatabase->replace( 'watchlist',
 473                                 array(array('wl_user','wl_namespace', 'wl_title', 'wl_notificationtimestamp' )),
 474                                 array('wl_user' => $user->getID(),
 475                                         'wl_namespace' => NS_USER_TALK,
 476                                         'wl_title' => $user->getName(),
 477                                         'wl_notificationtimestamp' => '19700101000000'
 478                                         ), 'updaters.inc::do_watchlist_update3'
 479                                 );
 480                 }
 481         }
 482         wfOut( "Done.\n" );
 483 }
 484
 485
 486 function do_user_update() {
 487         global $wgDatabase;
 488         if( $wgDatabase->fieldExists( 'user', 'user_emailauthenticationtimestamp' ) ) {
 489                 wfOut( "User table contains old email authentication field. Dropping... " );
 490                 $wgDatabase->sourceFile( archive( 'patch-email-authentication.sql' ) );
 491                 wfOut( "ok\n" );
 492         } else {
 493                 wfOut( "...user table does not contain old email authentication field.\n" );
 494         }
 495 }
 496
 497 /**
 498  * 1.4 betas were missing the 'binary' marker from logging.log_title,
 499  * which causes a collation mismatch error on joins in MySQL 4.1.
 500  */
 501 function check_bin( $table, $field, $patchFile ) {
 502         global $wgDatabase, $wgDBtype;
 503         if ($wgDBtype != 'mysql')
 504                 return;
 505         $tableName = $wgDatabase->tableName( $table );
 506         $res = $wgDatabase->query( "SELECT $field FROM $tableName LIMIT 0" );
 507         $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) );
 508         $wgDatabase->freeResult( $res );
 509
 510         if( in_array( 'binary', $flags ) ) {
 511                 wfOut( "$table table has correct $field encoding.\n" );
 512         } else {
 513                 wfOut( "Fixing $field encoding on $table table... " );
 514                 $wgDatabase->sourceFile( archive( $patchFile ) );
 515                 wfOut( "ok\n" );
 516         }
 517 }
 518
 519 function do_schema_restructuring() {
 520         global $wgDatabase;
 521         $fname="do_schema_restructuring";
 522         if ( $wgDatabase->tableExists( 'page' ) ) {
 523                 wfOut( "...page table already exists.\n" );
 524         } else {
 525                 wfOut( "...converting from cur/old to page/revision/text DB structure.\n" );
 526                 wfOut( wfTimestamp( TS_DB ) );
 527                 wfOut( "......checking for duplicate entries.\n" );
 528
 529                 list ($cur, $old, $page, $revision, $text) = $wgDatabase->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' );
 530
 531                 $rows = $wgDatabase->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c
 532                                 FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", $fname );
 533
 534                 if ( $wgDatabase->numRows( $rows ) > 0 ) {
 535                         wfOut( wfTimestamp( TS_DB ) );
 536                         wfOut( "......<b>Found duplicate entries</b>\n" );
 537                         wfOut( sprintf( "<b>      %-60s %3s %5s</b>\n", 'Title', 'NS', 'Count' ) );
 538                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 539                                 if ( ! isset( $duplicate[$row->cur_namespace] ) ) {
 540                                         $duplicate[$row->cur_namespace] = array();
 541                                 }
 542                                 $duplicate[$row->cur_namespace][] = $row->cur_title;
 543                                 wfOut( sprintf( "      %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) );
 544                         }
 545                         $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE ";
 546                         $firstCond = true;
 547                         foreach ( $duplicate as $ns => $titles ) {
 548                                 if ( $firstCond ) {
 549                                         $firstCond = false;
 550                                 } else {
 551                                         $sql .= ' OR ';
 552                                 }
 553                                 $sql .= "( cur_namespace = {$ns} AND cur_title in (";
 554                                 $first = true;
 555                                 foreach ( $titles as $t ) {
 556                                         if ( $first ) {
 557                                                 $sql .= $wgDatabase->addQuotes( $t );
 558                                                 $first = false;
 559                                         } else {
 560                                                 $sql .= ', ' . $wgDatabase->addQuotes( $t );
 561                                         }
 562                                 }
 563                                 $sql .= ") ) \n";
 564                         }
 565                         # By sorting descending, the most recent entry will be the first in the list.
 566                         # All following entries will be deleted by the next while-loop.
 567                         $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC';
 568
 569                         $rows = $wgDatabase->query( $sql, $fname );
 570
 571                         $prev_title = $prev_namespace = false;
 572                         $deleteId = array();
 573
 574                         while ( $row = $wgDatabase->fetchObject( $rows ) ) {
 575                                 if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) {
 576                                         $deleteId[] = $row->cur_id;
 577                                 }
 578                                 $prev_title     = $row->cur_title;
 579                                 $prev_namespace = $row->cur_namespace;
 580                         }
 581                         $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')';
 582                         $rows = $wgDatabase->query( $sql, $fname );
 583                         wfOut( wfTimestamp( TS_DB ) );
 584                         wfOut( "......<b>Deleted</b> ".$wgDatabase->affectedRows()." records.\n" );
 585                 }
 586
 587
 588                 wfOut( wfTimestamp( TS_DB ) );
 589                 wfOut( "......Creating tables.\n" );
 590                 $wgDatabase->query("CREATE TABLE $page (
 591                         page_id int(8) unsigned NOT NULL auto_increment,
 592                         page_namespace int NOT NULL,
 593                         page_title varchar(255) binary NOT NULL,
 594                         page_restrictions tinyblob NOT NULL,
 595                         page_counter bigint(20) unsigned NOT NULL default '0',
 596                         page_is_redirect tinyint(1) unsigned NOT NULL default '0',
 597                         page_is_new tinyint(1) unsigned NOT NULL default '0',
 598                         page_random real unsigned NOT NULL,
 599                         page_touched char(14) binary NOT NULL default '',
 600                         page_latest int(8) unsigned NOT NULL,
 601                         page_len int(8) unsigned NOT NULL,
 602
 603                         PRIMARY KEY page_id (page_id),
 604                         UNIQUE INDEX name_title (page_namespace,page_title),
 605                         INDEX (page_random),
 606                         INDEX (page_len)
 607                         ) ENGINE=InnoDB", $fname );
 608                 $wgDatabase->query("CREATE TABLE $revision (
 609                         rev_id int(8) unsigned NOT NULL auto_increment,
 610                         rev_page int(8) unsigned NOT NULL,
 611                         rev_comment tinyblob NOT NULL,
 612                         rev_user int(5) unsigned NOT NULL default '0',
 613                         rev_user_text varchar(255) binary NOT NULL default '',
 614                         rev_timestamp char(14) binary NOT NULL default '',
 615                         rev_minor_edit tinyint(1) unsigned NOT NULL default '0',
 616                         rev_deleted tinyint(1) unsigned NOT NULL default '0',
 617                         rev_len int(8) unsigned,
 618                         rev_parent_id int(8) unsigned default NULL,
 619                         PRIMARY KEY rev_page_id (rev_page, rev_id),
 620                         UNIQUE INDEX rev_id (rev_id),
 621                         INDEX rev_timestamp (rev_timestamp),
 622                         INDEX page_timestamp (rev_page,rev_timestamp),
 623                         INDEX user_timestamp (rev_user,rev_timestamp),
 624                         INDEX usertext_timestamp (rev_user_text,rev_timestamp)
 625                         ) ENGINE=InnoDB", $fname );
 626
 627                 wfOut( wfTimestamp( TS_DB ) );
 628                 wfOut( "......Locking tables.\n" );
 629                 $wgDatabase->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", $fname );
 630
 631                 $maxold = intval( $wgDatabase->selectField( 'old', 'max(old_id)', '', $fname ) );
 632                 wfOut( wfTimestamp( TS_DB ) );
 633                 wfOut( "......maxold is {$maxold}\n" );
 634
 635                 wfOut( wfTimestamp( TS_DB ) );
 636                 global $wgLegacySchemaConversion;
 637                 if( $wgLegacySchemaConversion ) {
 638                         // Create HistoryBlobCurStub entries.
 639                         // Text will be pulled from the leftover 'cur' table at runtime.
 640                         wfOut( "......Moving metadata from cur; using blob references to text in cur table.\n" );
 641                         $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')";
 642                         $cur_flags = "'object'";
 643                 } else {
 644                         // Copy all cur text in immediately: this may take longer but avoids
 645                         // having to keep an extra table around.
 646                         wfOut( "......Moving text from cur.\n" );
 647                         $cur_text = 'cur_text';
 648                         $cur_flags = "''";
 649                 }
 650                 $wgDatabase->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text,
 651                                         old_timestamp, old_minor_edit, old_flags)
 652                         SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags
 653                         FROM $cur", $fname );
 654
 655                 wfOut( wfTimestamp( TS_DB ) );
 656                 wfOut( "......Setting up revision table.\n" );
 657                 $wgDatabase->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp,
 658                                 rev_minor_edit)
 659                         SELECT old_id, cur_id, old_comment, old_user, old_user_text,
 660                                 old_timestamp, old_minor_edit
 661                         FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", $fname );
 662
 663                 wfOut( wfTimestamp( TS_DB ) );
 664                 wfOut( "......Setting up page table.\n" );
 665                 $wgDatabase->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter,
 666                         page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len)
 667                         SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new,
 668                                 cur_random, cur_touched, rev_id, LENGTH(cur_text)
 669                         FROM $cur,$revision
 670                         WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", $fname );
 671
 672                 wfOut( wfTimestamp( TS_DB ) );
 673                 wfOut( "......Unlocking tables.\n" );
 674                 $wgDatabase->query( "UNLOCK TABLES", $fname );
 675
 676                 wfOut( wfTimestamp( TS_DB ) );
 677                 wfOut( "......Renaming old.\n" );
 678                 $wgDatabase->query( "ALTER TABLE $old RENAME TO $text", $fname );
 679
 680                 wfOut( wfTimestamp( TS_DB ) );
 681                 wfOut( "...done.\n" );
 682         }
 683 }
 684
 685 function do_inverse_timestamp() {
 686         global $wgDatabase;
 687         if( $wgDatabase->fieldExists( 'revision', 'inverse_timestamp' ) ) {
 688                 wfOut( "Removing revision.inverse_timestamp and fixing indexes... " );
 689                 $wgDatabase->sourceFile( archive( 'patch-inverse_timestamp.sql' ) );
 690                 wfOut( "ok\n" );
 691         } else {
 692                 wfOut( "revision timestamp indexes already up to 2005-03-13\n" );
 693         }
 694 }
 695
 696 function do_text_id() {
 697         global $wgDatabase;
 698         if( $wgDatabase->fieldExists( 'revision', 'rev_text_id' ) ) {
 699                 wfOut( "...rev_text_id already in place.\n" );
 700         } else {
 701                 wfOut( "Adding rev_text_id field... " );
 702                 $wgDatabase->sourceFile( archive( 'patch-rev_text_id.sql' ) );
 703                 wfOut( "ok\n" );
 704         }
 705 }
 706
 707 function do_namespace_size() {
 708         $tables = array(
 709                 'page'          => 'page',
 710                 'archive'       => 'ar',
 711                 'recentchanges' => 'rc',
 712                 'watchlist'     => 'wl',
 713                 'querycache'    => 'qc',
 714                 'logging'       => 'log',
 715         );
 716         foreach( $tables as $table => $prefix ) {
 717                 do_namespace_size_on( $table, $prefix );
 718                 flush();
 719         }
 720 }
 721
 722 function do_namespace_size_on( $table, $prefix ) {
 723         global $wgDatabase, $wgDBtype;
 724         if ($wgDBtype != 'mysql')
 725                 return;
 726         $field = $prefix . '_namespace';
 727
 728         $tablename = $wgDatabase->tableName( $table );
 729         $result = $wgDatabase->query( "SHOW COLUMNS FROM $tablename LIKE '$field'" );
 730         $info = $wgDatabase->fetchObject( $result );
 731         $wgDatabase->freeResult( $result );
 732
 733         if( substr( $info->Type, 0, 3 ) == 'int' ) {
 734                 wfOut( "...$field is already a full int ($info->Type).\n" );
 735         } else {
 736                 wfOut( "Promoting $field from $info->Type to int... " );
 737
 738                 $sql = "ALTER TABLE $tablename MODIFY $field int NOT NULL";
 739                 $wgDatabase->query( $sql );
 740
 741                 wfOut( "ok\n" );
 742         }
 743 }
 744
 745 function do_pagelinks_update() {
 746         global $wgDatabase;
 747         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 748                 wfOut( "...already have pagelinks table.\n" );
 749         } else {
 750                 wfOut( "Converting links and brokenlinks tables to pagelinks... " );
 751                 $wgDatabase->sourceFile( archive( 'patch-pagelinks.sql' ) );
 752                 wfOut( "ok\n" );
 753                 flush();
 754
 755                 global $wgCanonicalNamespaceNames;
 756                 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
 757                         if( $ns != 0 ) {
 758                                 do_pagelinks_namespace( $ns );
 759                         }
 760                 }
 761         }
 762 }
 763
 764 function do_pagelinks_namespace( $namespace ) {
 765         global $wgDatabase, $wgContLang;
 766
 767         $ns = intval( $namespace );
 768         wfOut( "Cleaning up broken links for namespace $ns... " );
 769
 770         $pagelinks = $wgDatabase->tableName( 'pagelinks' );
 771         $name = $wgContLang->getNsText( $ns );
 772         $prefix = $wgDatabase->strencode( $name );
 773         $likeprefix = str_replace( '_', '\\_', $prefix);
 774
 775         $sql = "UPDATE $pagelinks
 776                    SET pl_namespace=$ns,
 777                        pl_title=TRIM(LEADING '$prefix:' FROM pl_title)
 778                  WHERE pl_namespace=0
 779                    AND pl_title LIKE '$likeprefix:%'";
 780
 781         $wgDatabase->query( $sql, 'do_pagelinks_namespace' );
 782         wfOut( "ok\n" );
 783 }
 784
 785 function do_drop_img_type() {
 786         global $wgDatabase;
 787
 788         if( $wgDatabase->fieldExists( 'image', 'img_type' ) ) {
 789                 wfOut( "Dropping unused img_type field in image table... " );
 790                 $wgDatabase->sourceFile( archive( 'patch-drop_img_type.sql' ) );
 791                 wfOut( "ok\n" );
 792         } else {
 793                 wfOut( "No img_type field in image table; Good.\n" );
 794         }
 795 }
 796
 797 function do_old_links_update() {
 798         global $wgDatabase;
 799         if( $wgDatabase->tableExists( 'pagelinks' ) ) {
 800                 wfOut( "Already have pagelinks; skipping old links table updates.\n" );
 801         } else {
 802                 convertLinks(); flush();
 803         }
 804 }
 805
 806 function fix_ancient_imagelinks() {
 807         global $wgDatabase;
 808         $info = $wgDatabase->fieldInfo( 'imagelinks', 'il_from' );
 809         if ( $info && $info->type() === 'string' ) {
 810                 wfOut( "Fixing ancient broken imagelinks table.\n" );
 811                 wfOut( "NOTE: you will have to run maintenance/refreshLinks.php after this.\n" );
 812                 $wgDatabase->sourceFile( archive( 'patch-fix-il_from.sql' ) );
 813                 wfOut( "ok\n" );
 814         } else {
 815                 wfOut( "...il_from OK\n" );
 816         }
 817 }
 818
 819 function do_user_unique_update() {
 820         global $wgDatabase;
 821         $duper = new UserDupes( $wgDatabase );
 822         if( $duper->hasUniqueIndex() ) {
 823                 wfOut( "Already have unique user_name index.\n" );
 824         } else {
 825                 if( !$duper->clearDupes() ) {
 826                         wfOut( "WARNING: This next step will probably fail due to unfixed duplicates...\n" );
 827                 }
 828                 wfOut( "Adding unique index on user_name... " );
 829                 $wgDatabase->sourceFile( archive( 'patch-user_nameindex.sql' ) );
 830                 wfOut( "ok\n" );
 831         }
 832 }
 833
 834 function do_user_groups_update() {
 835         $fname = 'do_user_groups_update';
 836         global $wgDatabase;
 837
 838         if( $wgDatabase->tableExists( 'user_groups' ) ) {
 839                 wfOut( "...user_groups table already exists.\n" );
 840                 return do_user_groups_reformat();
 841         }
 842
 843         wfOut( "Adding user_groups table... " );
 844         $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 845         wfOut( "ok\n" );
 846
 847         if( !$wgDatabase->tableExists( 'user_rights' ) ) {
 848                 if( $wgDatabase->fieldExists( 'user', 'user_rights' ) ) {
 849                         wfOut( "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion..." );
 850                         $wgDatabase->sourceFile( archive( 'patch-user_rights.sql' ) );
 851                         wfOut( "ok\n" );
 852                 } else {
 853                         wfOut( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" );
 854                         wfOut( "*** You may need to manually configure some sysops by manipulating\n" );
 855                         wfOut( "*** the user_groups table.\n" );
 856                         return;
 857                 }
 858         }
 859
 860         wfOut( "Converting user_rights table to user_groups... " );
 861         $result = $wgDatabase->select( 'user_rights',
 862                 array( 'ur_user', 'ur_rights' ),
 863                 array( "ur_rights != ''" ),
 864                 $fname );
 865
 866         while( $row = $wgDatabase->fetchObject( $result ) ) {
 867                 $groups = array_unique(
 868                         array_map( 'trim',
 869                                 explode( ',', $row->ur_rights ) ) );
 870
 871                 foreach( $groups as $group ) {
 872                         $wgDatabase->insert( 'user_groups',
 873                                 array(
 874                                         'ug_user'  => $row->ur_user,
 875                                         'ug_group' => $group ),
 876                                 $fname );
 877                 }
 878         }
 879         $wgDatabase->freeResult( $result );
 880         wfOut( "ok\n" );
 881 }
 882
 883 function do_user_groups_reformat() {
 884         # Check for bogus formats from previous 1.5 alpha code.
 885         global $wgDatabase;
 886         $info = $wgDatabase->fieldInfo( 'user_groups', 'ug_group' );
 887
 888         if( $info->type() == 'int' ) {
 889                 $oldug = $wgDatabase->tableName( 'user_groups' );
 890                 $newug = $wgDatabase->tableName( 'user_groups_bogus' );
 891                 wfOut( "user_groups is in bogus intermediate format. Renaming to $newug... " );
 892                 $wgDatabase->query( "ALTER TABLE $oldug RENAME TO $newug" );
 893                 wfOut( "ok\n" );
 894
 895                 wfOut( "Re-adding fresh user_groups table... " );
 896                 $wgDatabase->sourceFile( archive( 'patch-user_groups.sql' ) );
 897                 wfOut( "ok\n" );
 898
 899                 wfOut( "***\n" );
 900                 wfOut( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" );
 901                 wfOut( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" );
 902                 wfOut( "***\n" );
 903         } else {
 904                 wfOut( "...user_groups is in current format.\n" );
 905         }
 906
 907 }
 908
 909 function do_watchlist_null() {
 910         # Make sure wl_notificationtimestamp can be NULL,
 911         # and update old broken items.
 912         global $wgDatabase;
 913         $info = $wgDatabase->fieldInfo( 'watchlist', 'wl_notificationtimestamp' );
 914
 915         if( !$info->nullable() ) {
 916                 wfOut( "Making wl_notificationtimestamp nullable... " );
 917                 $wgDatabase->sourceFile( archive( 'patch-watchlist-null.sql' ) );
 918                 wfOut( "ok\n" );
 919         } else {
 920                 wfOut( "...wl_notificationtimestamp is already nullable.\n" );
 921         }
 922
 923 }
 924
 925 /**
 926  * @bug 3946
 927  */
 928 function do_page_random_update() {
 929         global $wgDatabase;
 930
 931         wfOut( "Setting page_random to a random value on rows where it equals 0..." );
 932
 933         $page = $wgDatabase->tableName( 'page' );
 934         $wgDatabase->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", 'do_page_random_update' );
 935         $rows = $wgDatabase->affectedRows();
 936
 937         wfOut( "changed $rows rows\n" );
 938 }
 939
 940 function do_templatelinks_update() {
 941         global $wgDatabase, $wgLoadBalancer;
 942         $fname = 'do_templatelinks_update';
 943
 944         if ( $wgDatabase->tableExists( 'templatelinks' ) ) {
 945                 wfOut( "...templatelinks table already exists\n" );
 946                 return;
 947         }
 948         wfOut( "Creating templatelinks table...\n" );
 949         $wgDatabase->sourceFile( archive('patch-templatelinks.sql') );
 950         wfOut( "Populating...\n" );
 951         if ( isset( $wgLoadBalancer ) && $wgLoadBalancer->getServerCount() > 1 ) {
 952                 // Slow, replication-friendly update
 953                 $res = $wgDatabase->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ),
 954                         array( 'pl_namespace' => NS_TEMPLATE ), $fname );
 955                 $count = 0;
 956                 while ( $row = $wgDatabase->fetchObject( $res ) ) {
 957                         $count = ($count + 1) % 100;
 958                         if ( $count == 0 ) {
 959                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
 960                                         wfWaitForSlaves( 10 );
 961                                 } else {
 962                                         sleep( 1 );
 963                                 }
 964                         }
 965                         $wgDatabase->insert( 'templatelinks',
 966                                 array(
 967                                         'tl_from' => $row->pl_from,
 968                                         'tl_namespace' => $row->pl_namespace,
 969                                         'tl_title' => $row->pl_title,
 970                                 ), $fname
 971                         );
 972
 973                 }
 974                 $wgDatabase->freeResult( $res );
 975         } else {
 976                 // Fast update
 977                 $wgDatabase->insertSelect( 'templatelinks', 'pagelinks',
 978                         array(
 979                                 'tl_from' => 'pl_from',
 980                                 'tl_namespace' => 'pl_namespace',
 981                                 'tl_title' => 'pl_title'
 982                         ), array(
 983                                 'pl_namespace' => 10
 984                         ), $fname
 985                 );
 986         }
 987         wfOut( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" );
 988 }
 989
 990 // Add index on ( rc_namespace, rc_user_text ) [Jul. 2006]
 991 // Add index on ( rc_user_text, rc_timestamp ) [Nov. 2006]
 992 function do_rc_indices_update() {
 993         global $wgDatabase;
 994         wfOut( "Checking for additional recent changes indices...\n" );
 995
 996         $indexes = array(
 997                 'rc_ns_usertext' => 'patch-recentchanges-utindex.sql',
 998                 'rc_user_text' => 'patch-rc_user_text-index.sql',
 999         );
1000
1001         foreach( $indexes as $index => $patch ) {
1002                 $info = $wgDatabase->indexInfo( 'recentchanges', $index, __METHOD__ );
1003                 if( !$info ) {
1004                         wfOut( "...index `{$index}` not found; adding..." );
1005                         $wgDatabase->sourceFile( archive( $patch ) );
1006                         wfOut( "done.\n" );
1007                 } else {
1008                         wfOut( "...index `{$index}` seems ok.\n" );
1009                 }
1010         }
1011 }
1012
1013 function index_has_field($table, $index, $field) {
1014         global $wgDatabase;
1015         wfOut( "Checking if $table index $index includes field $field...\n" );
1016         $info = $wgDatabase->indexInfo( $table, $index, __METHOD__ );
1017         if( $info ) {
1018                 foreach($info as $row) {
1019                         if($row->Column_name == $field) {
1020                                 wfOut( "...index $index on table $table seems to be ok\n" );
1021                                 return true;
1022                         }
1023                 }
1024         }
1025         wfOut( "...index $index on table $table has no field $field; adding\n" );
1026         return false;
1027 }
1028
1029 function do_backlinking_indices_update() {
1030         global $wgDatabase;
1031         wfOut( "Checking for backlinking indices...\n" );
1032         if (!index_has_field('pagelinks', 'pl_namespace', 'pl_from') ||
1033                 !index_has_field('templatelinks', 'tl_namespace', 'tl_from') ||
1034                 !index_has_field('imagelinks', 'il_to', 'il_from'))
1035         {
1036                 $wgDatabase->sourceFile( archive( 'patch-backlinkindexes.sql' ) );
1037                 wfOut( "...backlinking indices updated\n" );
1038         }
1039 }
1040
1041 function do_categorylinks_indices_update() {
1042         global $wgDatabase;
1043         wfOut( "Checking for categorylinks indices...\n" );
1044         if (!index_has_field('categorylinks', 'cl_sortkey', 'cl_from'))
1045         {
1046                 $wgDatabase->sourceFile( archive( 'patch-categorylinksindex.sql' ) );
1047                 wfOut( "...categorylinks indices updated\n" );
1048         }
1049 }
1050
1051 function do_filearchive_indices_update() {
1052         global $wgDatabase;
1053         wfOut( "Checking filearchive indices...\n" );
1054         $info = $wgDatabase->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ );
1055         if ( !$info )
1056         {
1057                 $wgDatabase->sourceFile( archive( 'patch-filearchive-user-index.sql' ) );
1058                 wfOut( "...filearchive indices updated\n" );
1059         }
1060 }
1061
1062 function maybe_do_profiling_memory_update() {
1063         global $wgDatabase;
1064         if ( !$wgDatabase->tableExists( 'profiling' ) ) {
1065                 // Simply ignore
1066         } elseif ( $wgDatabase->fieldExists( 'profiling', 'pf_memory' ) ) {
1067                 wfOut( "profiling table has pf_memory field.\n" );
1068         } else {
1069                 wfOut( "Adding pf_memory field to table profiling..." );
1070                 $wgDatabase->sourceFile( archive( 'patch-profiling-memory.sql' ) );
1071                 wfOut( "ok\n" );
1072         }
1073 }
1074
1075 function do_stats_init() {
1076         // Sometimes site_stats table is not properly populated.
1077         global $wgDatabase;
1078         wfOut( "Checking site_stats row..." );
1079         $row = $wgDatabase->selectRow( 'site_stats', '*', array( 'ss_row_id' => 1 ), __METHOD__ );
1080         if( $row === false ) {
1081                 wfOut( "data is missing! rebuilding...\n" );
1082         } elseif ( isset( $row->site_stats ) && $row->ss_total_pages == -1 ) {
1083                 wfOut( "missing ss_total_pages, rebuilding...\n" );
1084         } else {
1085                 wfOut( "ok.\n" );
1086                 return;
1087         }
1088         SiteStatsInit::doAllAndCommit( false );
1089 }
1090
1091 function do_active_users_init() {
1092         global $wgDatabase;
1093         $activeUsers = $wgDatabase->selectField( 'site_stats', 'ss_active_users', false, __METHOD__ );
1094         if( $activeUsers == -1 ) {
1095                 $activeUsers = $wgDatabase->selectField( 'recentchanges',
1096                         'COUNT( DISTINCT rc_user_text )',
1097                         array( 'rc_user != 0', 'rc_bot' => 0, "rc_log_type != 'newusers'" ), __METHOD__
1098                 );
1099                 $wgDatabase->update( 'site_stats',
1100                         array( 'ss_active_users' => intval($activeUsers) ),
1101                         array( 'ss_row_id' => 1 ), __METHOD__, array( 'LIMIT' => 1 )
1102                 );
1103         }
1104         wfOut( "...ss_active_users user count set...\n" );
1105 }
1106
1107 function purge_cache() {
1108         global $wgDatabase;
1109         # We can't guarantee that the user will be able to use TRUNCATE,
1110         # but we know that DELETE is available to us
1111         wfOut( "Purging caches..." );
1112         $wgDatabase->delete( 'objectcache', '*', __METHOD__ );
1113         wfOut( "done.\n" );
1114 }
1115
1116 function do_all_updates( $shared = false, $purge = true ) {
1117         global $wgNewTables, $wgExtModifiedFields, $wgNewFields, $wgRenamedTables, $wgSharedDB, $wgSharedTables, $wgDatabase, $wgDBtype, $IP;
1118
1119         wfRunHooks('LoadExtensionSchemaUpdates');
1120
1121         $doUser = $shared ? $wgSharedDB && in_array('user', $wgSharedTables) : !$wgSharedDB || !in_array('user', $wgSharedTables);
1122
1123         if ($wgDBtype === 'postgres') {
1124                 do_postgres_updates();
1125                 return;
1126         }
1127
1128         # Run core updates in sequence...
1129         global $wgUpdates;
1130         if ( isset( $wgUpdates[$wgDBtype] ) ) {
1131                 foreach( $wgUpdates[$wgDBtype] as $params ) {
1132                         $func = array_shift( $params );
1133                         call_user_func_array( $func, $params );
1134                         flush();
1135                 }
1136         }
1137
1138         /// @fixme clean up this mess too!
1139         global $wgExtNewTables, $wgExtNewFields, $wgExtNewIndexes;
1140         # Add missing extension tables
1141         foreach ( $wgExtNewTables as $tableRecord ) {
1142                 add_table( $tableRecord[0], $tableRecord[1], true );
1143                 flush();
1144         }
1145         # Add missing extension fields
1146         foreach ( $wgExtNewFields as $fieldRecord ) {
1147                 if ( $fieldRecord[0] != 'user' || $doUser ) {
1148                         add_field( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1149                 }
1150                 flush();
1151         }
1152         # Add missing extension indexes
1153         foreach ( $wgExtNewIndexes as $fieldRecord ) {
1154                 add_index( $fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true );
1155                 flush();
1156         }
1157         # Add modified extension fields
1158         foreach ( $wgExtModifiedFields as $fieldRecord ) {
1159                 modify_field($fieldRecord[0], $fieldRecord[1], $fieldRecord[2], true);
1160                 flush();
1161         }
1162
1163
1164         wfOut( "Deleting old default messages (this may take a long time!)..." );
1165         if( !defined( 'MW_NO_SETUP' ) ) {
1166                 define( 'MW_NO_SETUP', true );
1167         }
1168         require_once 'deleteDefaultMessages.php';
1169         DeleteDefaultMessages::reallyExecute();
1170         wfOut( "Done\n" );
1171
1172         do_stats_init();
1173
1174         if( $purge ) {
1175                 purge_cache();
1176         }
1177 }
1178
1179 function archive($name) {
1180         global $wgDBtype, $IP;
1181         if ( file_exists( "$IP/maintenance/$wgDBtype/archives/$name" ) ) {
1182                 return "$IP/maintenance/$wgDBtype/archives/$name";
1183         } else {
1184                 return "$IP/maintenance/archives/$name";
1185         }
1186 }
1187
1188 function do_restrictions_update() {
1189         # Adding page_restrictions table, obsoleting page.page_restrictions.
1190         #  Migrating old restrictions to new table
1191         # -- Andrew Garrett, January 2007.
1192
1193         global $wgDatabase;
1194
1195         $name = 'page_restrictions';
1196         $patch = 'patch-page_restrictions.sql';
1197         $patch2 = 'patch-page_restrictions_sortkey.sql';
1198
1199         if ( $wgDatabase->tableExists( $name ) ) {
1200                 wfOut( "...$name table already exists.\n" );
1201         } else {
1202                 wfOut( "Creating $name table..." );
1203                 $wgDatabase->sourceFile( archive($patch) );
1204                 $wgDatabase->sourceFile( archive($patch2) );
1205                 wfOut( "ok\n" );
1206
1207                 wfOut( "Migrating old restrictions to new table..." );
1208
1209                 $res = $wgDatabase->select( 'page', array( 'page_id', 'page_restrictions' ), array("page_restrictions!=''", "page_restrictions!='edit=:move='"), __METHOD__ );
1210
1211                 $count = 0;
1212
1213                 while ($row = $wgDatabase->fetchObject($res) ) {
1214                         $count = ($count + 1) % 100;
1215
1216                         if ($count == 0) {
1217                                 if ( function_exists( 'wfWaitForSlaves' ) ) {
1218                                         wfWaitForSlaves( 10 );
1219                                 } else {
1220                                         sleep( 1 );
1221                                 }
1222                         }
1223
1224                         # Figure out what the restrictions are..
1225                         $id = $row->page_id;
1226                         $flatrestrictions = explode( ':', $row->page_restrictions );
1227
1228                         $restrictions = array ();
1229                         foreach( $flatrestrictions as $restriction ) {
1230                                 $thisrestriction = explode( '=', $restriction, 2 );
1231                                 if( count( $thisrestriction ) == 1 ) {
1232                                         // Compatibility with old protections from before
1233                                         // separate move protection was added.
1234                                         list( $level ) = $thisrestriction;
1235                                         if( $level ) {
1236                                                 $restrictions['edit'] = $level;
1237                                                 $restrictions['move'] = $level;
1238                                         }
1239                                 } else {
1240                                         list( $type, $level ) = $thisrestriction;
1241                                         if( $level ) {
1242                                                 $restrictions[$type] = $level;
1243                                         }
1244                                 }
1245
1246                         $wgDatabase->update( 'page', array ( 'page_restrictions' => ''), array( 'page_id' => $id ), __METHOD__ );
1247
1248                         }
1249
1250                         foreach( $restrictions as $type => $level ) {
1251                                 $wgDatabase->insert( 'page_restrictions', array ( 'pr_page' => $id,
1252                                                                                         'pr_type' => $type,
1253                                                                                         'pr_level' => $level,
1254                                                                                         'pr_cascade' => 0,
1255                                                                                         'pr_expiry' => 'infinity' ),
1256                                                                                         __METHOD__ );
1257                         }
1258                 }
1259                 wfOut( "ok\n" );
1260         }
1261 }
1262
1263 function do_category_population() {
1264         if( update_row_exists( 'populate category' ) ) {
1265                 wfOut( "...category table already populated.\n" );
1266                 return;
1267         }
1268         require_once( 'populateCategory.php' );
1269         wfOut( "Populating category table, printing progress markers.  " ).
1270 "For large databases, you\n".
1271 "may want to hit Ctrl-C and do this manually with maintenance/\n".
1272 "populateCategory.php.\n";
1273         $task = new PopulateCategory();
1274         $task->execute();
1275         wfOut( "Done populating category table.\n" );
1276 }
1277
1278 function do_populate_parent_id() {
1279         if( update_row_exists( 'populate rev_parent_id' ) ) {
1280                 wfOut( "...rev_parent_id column already populated.\n" );
1281                 return;
1282         }
1283         require_once( 'populateParentId.php' );
1284         $task = new PopulateParentId();
1285         $task->execute();
1286 }
1287
1288 function do_populate_rev_len() {
1289         if( update_row_exists( 'populate rev_len' ) ) {
1290                 wfOut( "...rev_len column already populated.\n" );
1291                 return;
1292         }
1293         require_once( 'populateRevisionLength.php' );
1294         $task = new PopulateRevisionLength();
1295         $task->execute();
1296 }
1297
1298 function sqlite_initial_indexes() {
1299         global $wgDatabase;
1300         // initial-indexes.sql fails if the indexes are already present, so we perform a quick check if our database is newer.
1301         if ( update_row_exists( 'initial_indexes' ) || $wgDatabase->indexExists( 'user', 'user_name' ) ) {
1302                 wfOut( "...have initial indexes\n" );
1303                 return;
1304         }
1305         wfOut( "Adding initial indexes..." );
1306         $wgDatabase->sourceFile( archive( 'initial-indexes.sql' ) );
1307         wfOut( "done\n" );
1308 }
1309
1310 function sqlite_setup_searchindex() {
1311         global $wgDatabase;
1312         $module = $wgDatabase->getFulltextSearchModule();
1313         $fts3tTable = update_row_exists( 'fts3' );
1314         if ( $fts3tTable &&  !$module ) {
1315                 wfOut( '...PHP is missing FTS3 support, downgrading tables...' );
1316                 $wgDatabase->sourceFile( archive( 'searchindex-no-fts.sql' ) );
1317                 wfOut( "done\n" );
1318         } elseif ( !$fts3tTable && $module == 'FTS3' ) {
1319                 wfOut( '...adding FTS3 search capabilities...' );
1320                 $wgDatabase->sourceFile( archive( 'searchindex-fts3.sql' ) );
1321                 wfOut( "done\n" );
1322         } else {
1323                 wfOut( "...fulltext search table appears to be in order.\n" );
1324         }
1325 }
1326
1327 function do_unique_pl_tl_il() {
1328         global $wgDatabase;
1329         $info = $wgDatabase->indexInfo( 'pagelinks', 'pl_namespace' );
1330         if( is_array($info) && !$info[0]->Non_unique ) {
1331                 wfOut( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" );
1332         } else {
1333                 wfOut( "Making pl_namespace, tl_namespace and il_to indices UNIQUE... " );
1334                 $wgDatabase->sourceFile( archive( 'patch-pl-tl-il-unique.sql' ) );
1335                 wfOut( "ok\n" );
1336         }
1337 }
1338
1339 function do_log_search_population() {
1340         global $wgDatabase;
1341         if( update_row_exists( 'populate log_search' ) ) {
1342                 wfOut( "...log_search table already populated.\n" );
1343                 return;
1344         }
1345         require_once( 'populateLogSearch.php' );
1346         wfOut(
1347 "Populating log_search table, printing progress markers. For large\n" .
1348 "databases, you may want to hit Ctrl-C and do this manually with\n" .
1349 "maintenance/populateLogSearch.php.\n" );
1350         $task = new PopulateLogSearch();
1351         $task->execute();
1352         wfOut( "Done populating log_search table.\n" );
1353 }
1354
1355 function rename_eu_wiki_id() {
1356         global $wgDatabase;
1357         wfOut( "Renaming eu_wiki_id -> eu_local_id... " );
1358         if ( $wgDatabase->fieldExists( 'external_user', 'eu_local_id' ) ) {
1359                 wfOut( "already done.\n" );
1360                 return;
1361         }
1362         $wgDatabase->sourceFile( archive( 'patch-eu_local_id.sql' ) );
1363         wfOut( "ok\n" );
1364 }
1365
1366 function do_update_transcache_field() {
1367         global $wgDatabase;
1368         if( update_row_exists( 'convert transcache field' ) ) {
1369                 wfOut( "...transcache tc_time already converted.\n" );
1370                 return;
1371         } else {
1372                 wfOut( "Converting tc_time from UNIX epoch to MediaWiki timestamp... " );
1373                 $wgDatabase->sourceFile( archive( 'patch-tc-timestamp.sql' ) );
1374                 wfOut( "ok\n" );
1375         }
1376 }
1377
1378 function do_update_mime_minor_field() {
1379         if ( update_row_exists( 'mime_minor_length' ) ) {
1380                 wfOut( "*_mime_minor fields are already long enough.\n" );
1381         } else {
1382                 global $wgDatabase;
1383                 wfOut( "Altering all *_mime_minor fields to 100 bytes in size ... " );
1384                 $wgDatabase->sourceFile( archive( 'patch-mime_minor_length.sql' ) );
1385                 wfOut( "ok\n" );
1386         }
1387 }
1388
1389
1390
1391 /***********************************************************************
1392  * Start PG stuff
1393  * TODO: merge with above
1394  ***********************************************************************/
1395
1396 function pg_describe_table($table) {
1397         global $wgDatabase, $wgDBmwschema;
1398         $q = <<<END
1399 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
1400         WHERE pg_class.relnamespace = pg_namespace.oid
1401           AND attrelid=pg_class.oid AND attnum > 0
1402           AND relname=%s AND nspname=%s
1403 END;
1404         $res = $wgDatabase->query(sprintf($q,
1405                         $wgDatabase->addQuotes($table),
1406                         $wgDatabase->addQuotes($wgDBmwschema)));
1407         if (!$res)
1408                 return null;
1409
1410         $cols = array();
1411         while ($r = $wgDatabase->fetchRow($res)) {
1412                 $cols[] = array(
1413                                 "name" => $r[0],
1414                                 "ord" => $r[1],
1415                         );
1416         }
1417         return $cols;
1418 }
1419
1420 function pg_describe_index($idx) {
1421         global $wgDatabase, $wgDBmwschema;
1422
1423         // first fetch the key (which is a list of columns ords) and
1424         // the table the index applies to (an oid)
1425         $q = <<<END
1426 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
1427         WHERE nspname=%s
1428           AND pg_class.relnamespace = pg_namespace.oid
1429           AND relname=%s
1430           AND indexrelid=pg_class.oid
1431 END;
1432         $res = $wgDatabase->query(sprintf($q,
1433                         $wgDatabase->addQuotes($wgDBmwschema),
1434                         $wgDatabase->addQuotes($idx)));
1435         if (!$res)
1436                 return null;
1437         if (!($r = $wgDatabase->fetchRow($res))) {
1438                 $wgDatabase->freeResult($res);
1439                 return null;
1440         }
1441
1442         $indkey = $r[0];
1443         $relid = intval($r[1]);
1444         $indkeys = explode(" ", $indkey);
1445         $wgDatabase->freeResult($res);
1446
1447         $colnames = array();
1448         foreach ($indkeys as $rid) {
1449                 $query = <<<END
1450 SELECT attname FROM pg_class, pg_attribute
1451         WHERE attrelid=$relid
1452           AND attnum=%d
1453           AND attrelid=pg_class.oid
1454 END;
1455                 $r2 = $wgDatabase->query(sprintf($query, $rid));
1456                 if (!$r2)
1457                         return null;
1458                 if (!($row2 = $wgDatabase->fetchRow($r2))) {
1459                         $wgDatabase->freeResult($r2);
1460                         return null;
1461                 }
1462                 $colnames[] = $row2[0];
1463                 $wgDatabase->freeResult($r2);
1464         }
1465
1466         return $colnames;
1467 }
1468
1469 function pg_index_exists($table, $index) {
1470         global $wgDatabase, $wgDBmwschema;
1471         $exists = $wgDatabase->selectField("pg_indexes", "indexname",
1472                         array(  "indexname" => $index,
1473                                 "tablename" => $table,
1474                                 "schemaname" => $wgDBmwschema));
1475         return $exists === $index;
1476 }
1477
1478 function pg_fkey_deltype($fkey) {
1479         global $wgDatabase, $wgDBmwschema;
1480         $q = <<<END
1481 SELECT confdeltype FROM pg_constraint, pg_namespace
1482         WHERE connamespace=pg_namespace.oid
1483           AND nspname=%s
1484           AND conname=%s;
1485 END;
1486         $r = $wgDatabase->query(sprintf($q,
1487                 $wgDatabase->addQuotes($wgDBmwschema),
1488                 $wgDatabase->addQuotes($fkey)));
1489         if (!($row = $wgDatabase->fetchRow($r)))
1490                 return null;
1491         return $row[0];
1492 }
1493
1494 function pg_rule_def($table, $rule) {
1495         global $wgDatabase, $wgDBmwschema;
1496         $q = <<<END
1497 SELECT definition FROM pg_rules
1498         WHERE schemaname = %s
1499           AND tablename = %s
1500           AND rulename = %s
1501 END;
1502         $r = $wgDatabase->query(sprintf($q,
1503                         $wgDatabase->addQuotes($wgDBmwschema),
1504                         $wgDatabase->addQuotes($table),
1505                         $wgDatabase->addQuotes($rule)));
1506         $row = $wgDatabase->fetchRow($r);
1507         if (!$row)
1508                 return null;
1509         $d = $row[0];
1510         $wgDatabase->freeResult($r);
1511         return $d;
1512 }
1513
1514 function do_postgres_updates() {
1515         global $wgDatabase, $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgShowExceptionDetails, $wgDBuser;
1516
1517         ## Gather version numbers in case we need them
1518         $version = $wgDatabase->getServerVersion(); ## long string
1519         $numver = $wgDatabase->numeric_version; ## X.Y e.g. 8.3
1520
1521         $wgShowExceptionDetails = 1;
1522
1523         # Just in case their LocalSettings.php does not have this:
1524         if ( !isset( $wgDBmwschema ))
1525                 $wgDBmwschema = 'mediawiki';
1526
1527         # Verify that this user is configured correctly
1528         $safeuser = $wgDatabase->addQuotes($wgDBuser);
1529         $SQL = "SELECT array_to_string(useconfig,'*') FROM pg_catalog.pg_user WHERE usename = $safeuser";
1530         $config = pg_fetch_result( $wgDatabase->doQuery( $SQL ), 0, 0 );
1531         $conf = array();
1532         foreach( explode( '*', $config ) as $c ) {
1533                 list( $x,$y ) = explode( '=', $c );
1534                 $conf[$x] = $y;
1535         }
1536         if( !array_key_exists( 'search_path', $conf ) ) {
1537                 $search_path = '';
1538         }
1539         else {
1540                 $search_path = $conf['search_path'];
1541         }
1542         if( strpos( $search_path, $wgDBmwschema ) === false ) {
1543                 wfOut( "Adding in schema \"$wgDBmwschema\" to search_path for user \"$wgDBuser\"\n" );
1544                 $search_path = "$wgDBmwschema, $search_path";
1545         }
1546         if( strpos( $search_path, $wgDBts2schema ) === false ) {
1547                 wfOut( "Adding in schema \"$wgDBts2schema\" to search_path for user \"$wgDBuser\"\n" );
1548                 $search_path = "$search_path, $wgDBts2schema";
1549         }
1550         $search_path = str_replace( ', ,', ',', $search_path);
1551         if( array_key_exists( 'search_path', $conf ) === false || $search_path != $conf['search_path'] ) {
1552                 $wgDatabase->doQuery( "ALTER USER $wgDBuser SET search_path = $search_path" );
1553                 $wgDatabase->doQuery( "SET search_path = $search_path" );
1554         }
1555         else {
1556                 $path = $conf['search_path'];
1557                 wfOut( "... search_path for user \"$wgDBuser\" looks correct ($path)\n" );
1558         }
1559         $goodconf = array(
1560                 'client_min_messages' => 'error',
1561                 'DateStyle'           => 'ISO, YMD',
1562                 'TimeZone'            => 'GMT'
1563         );
1564         foreach( array_keys( $goodconf ) AS $key ) {
1565                 $value = $goodconf[$key];
1566                 if( !array_key_exists( $key, $conf ) or $conf[$key] !== $value ) {
1567                         wfOut( "Setting $key to '$value' for user \"$wgDBuser\"\n" );
1568                         $wgDatabase->doQuery( "ALTER USER $wgDBuser SET $key = '$value'" );
1569                         $wgDatabase->doQuery( "SET $key = '$value'" );
1570                 }
1571                 else {
1572                         wfOut( "... default value of \"$key\" is correctly set to \"$value\" for user \"$wgDBuser\"\n" );
1573                 }
1574         }
1575
1576         $newsequences = array(
1577                 "logging_log_id_seq",
1578                 "page_restrictions_pr_id_seq",
1579         );
1580
1581         $newtables = array(
1582                 array("category",          "patch-category.sql"),
1583                 array("mediawiki_version", "patch-mediawiki_version.sql"),
1584                 array("mwuser",            "patch-mwuser.sql"),
1585                 array("pagecontent",       "patch-pagecontent.sql"),
1586                 array("querycachetwo",     "patch-querycachetwo.sql"),
1587                 array("page_props",        "patch-page_props.sql"),
1588                 array("page_restrictions", "patch-page_restrictions.sql"),
1589                 array("profiling",         "patch-profiling.sql"),
1590                 array("protected_titles",  "patch-protected_titles.sql"),
1591                 array("redirect",          "patch-redirect.sql"),
1592                 array("updatelog",         "patch-updatelog.sql"),
1593                 array('change_tag',        'patch-change_tag.sql'),
1594                 array('tag_summary',       'patch-change_tag.sql'),
1595                 array('valid_tag',         'patch-change_tag.sql'),
1596                 array('user_properties',   'patch-user_properties.sql'),
1597                 array('log_search',        'patch-log_search.sql'),
1598                 array('l10n_cache',        'patch-l10n_cache.sql'),
1599                 // @fixme add iwlinks table
1600         );
1601
1602         $newcols = array(
1603                 array("archive",       "ar_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1604                 array("archive",       "ar_len",               "INTEGER"),
1605                 array("archive",       "ar_page_id",           "INTEGER"),
1606                 array("archive",       "ar_parent_id",         "INTEGER"),
1607                 array("image",         "img_sha1",             "TEXT NOT NULL DEFAULT ''"),
1608                 array("ipblocks",      "ipb_allow_usertalk",   "SMALLINT NOT NULL DEFAULT 0"),
1609                 array("ipblocks",      "ipb_anon_only",        "SMALLINT NOT NULL DEFAULT 0"),
1610                 array("ipblocks",      "ipb_by_text",          "TEXT NOT NULL DEFAULT ''"),
1611                 array("ipblocks",      "ipb_block_email",      "SMALLINT NOT NULL DEFAULT 0"),
1612                 array("ipblocks",      "ipb_create_account",   "SMALLINT NOT NULL DEFAULT 1"),
1613                 array("ipblocks",      "ipb_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1614                 array("ipblocks",      "ipb_enable_autoblock", "SMALLINT NOT NULL DEFAULT 1"),
1615                 array("filearchive",   "fa_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1616                 array("logging",       "log_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1617                 array("logging",       "log_id",               "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')"),
1618                 array("logging",       "log_params",           "TEXT"),
1619                 array("mwuser",        "user_editcount",       "INTEGER"),
1620                 array("mwuser",        "user_hidden",          "SMALLINT NOT NULL DEFAULT 0"),
1621                 array("mwuser",        "user_newpass_time",    "TIMESTAMPTZ"),
1622                 array("oldimage",      "oi_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1623                 array("oldimage",      "oi_major_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1624                 array("oldimage",      "oi_media_type",        "TEXT"),
1625                 array("oldimage",      "oi_metadata",          "BYTEA NOT NULL DEFAULT ''"),
1626                 array("oldimage",      "oi_minor_mime",        "TEXT NOT NULL DEFAULT 'unknown'"),
1627                 array("oldimage",      "oi_sha1",              "TEXT NOT NULL DEFAULT ''"),
1628                 array("page_restrictions", "pr_id",            "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_val')"),
1629                 array("profiling",     "pf_memory",            "NUMERIC(18,10) NOT NULL DEFAULT 0"),
1630                 array("recentchanges", "rc_deleted",           "SMALLINT NOT NULL DEFAULT 0"),
1631                 array("recentchanges", "rc_log_action",        "TEXT"),
1632                 array("recentchanges", "rc_log_type",          "TEXT"),
1633                 array("recentchanges", "rc_logid",             "INTEGER NOT NULL DEFAULT 0"),
1634                 array("recentchanges", "rc_new_len",           "INTEGER"),
1635                 array("recentchanges", "rc_old_len",           "INTEGER"),
1636                 array("recentchanges", "rc_params",            "TEXT"),
1637                 array("redirect",      "rd_interwiki",         "TEXT NULL"),
1638                 array("redirect",      "rd_fragment",          "TEXT NULL"),
1639                 array("revision",      "rev_deleted",          "SMALLINT NOT NULL DEFAULT 0"),
1640                 array("revision",      "rev_len",              "INTEGER"),
1641                 array("revision",      "rev_parent_id",        "INTEGER DEFAULT NULL"),
1642                 array("site_stats",    "ss_active_users",      "INTEGER DEFAULT '-1'"),
1643                 array("user_newtalk",  "user_last_timestamp",  "TIMESTAMPTZ"),
1644                 array("logging",       "log_user_text",        "TEXT NOT NULL DEFAULT ''"),
1645                 array("logging",       "log_page",             "INTEGER"),
1646         );
1647
1648
1649         # table, column, desired type, USING clause if needed (with new default if needed)
1650         $typechanges = array(
1651                 array("archive",      "ar_deleted",      "smallint", ""),
1652                 array("archive",      "ar_minor_edit",   "smallint", "ar_minor_edit::smallint DEFAULT 0"),
1653                 array("filearchive",  "fa_deleted",      "smallint", ""),
1654                 array("filearchive",  "fa_height",       "integer",  ""),
1655                 array("filearchive",  "fa_metadata",     "bytea",    "decode(fa_metadata,'escape')"),
1656                 array("filearchive",  "fa_size",         "integer",  ""),
1657                 array("filearchive",  "fa_width",        "integer",  ""),
1658                 array("filearchive",  "fa_storage_group","text",     ""),
1659                 array("filearchive",  "fa_storage_key",  "text",     ""),
1660                 array("image",        "img_metadata",    "bytea",    "decode(img_metadata,'escape')"),
1661                 array("image",        "img_size",        "integer",  ""),
1662                 array("image",        "img_width",       "integer",  ""),
1663                 array("image",        "img_height",      "integer",  ""),
1664                 array("interwiki",    "iw_local",        "smallint", "iw_local::smallint DEFAULT 0"),
1665                 array("interwiki",    "iw_trans",        "smallint", "iw_trans::smallint DEFAULT 0"),
1666                 array("ipblocks",     "ipb_auto",        "smallint", "ipb_auto::smallint DEFAULT 0"),
1667                 array("ipblocks",     "ipb_anon_only",   "smallint", "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0"),
1668                 array("ipblocks",     "ipb_create_account", "smallint", "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1"),
1669                 array("ipblocks",     "ipb_enable_autoblock", "smallint", "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1"),
1670                 array("ipblocks",     "ipb_block_email", "smallint", "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0"),
1671                 array("ipblocks",     "ipb_address",     "text",     "ipb_address::text"),
1672                 array("ipblocks",     "ipb_deleted",     "smallint", "ipb_deleted::smallint DEFAULT 0"),
1673                 array("math",         "math_inputhash",  "bytea",    "decode(math_inputhash,'escape')"),
1674                 array("math",         "math_outputhash", "bytea",    "decode(math_outputhash,'escape')"),
1675                 array("mwuser",       "user_token",      "text",     ""),
1676                 array("mwuser",       "user_email_token","text",     ""),
1677                 array("objectcache",  "keyname",         "text",     ""),
1678                 array("oldimage",     "oi_height",       "integer",  ""),
1679                 array("oldimage",     "oi_metadata",     "bytea",    "decode(img_metadata,'escape')"),
1680                 array("oldimage",     "oi_size",         "integer",  ""),
1681                 array("oldimage",     "oi_width",        "integer",  ""),
1682                 array("page",         "page_is_redirect","smallint", "page_is_redirect::smallint DEFAULT 0"),
1683                 array("page",         "page_is_new",     "smallint", "page_is_new::smallint DEFAULT 0"),
1684                 array("querycache",   "qc_value",        "integer",  ""),
1685                 array("querycachetwo","qcc_value",       "integer",  ""),
1686                 array("recentchanges","rc_bot",          "smallint", "rc_bot::smallint DEFAULT 0"),
1687                 array("recentchanges","rc_deleted",      "smallint", ""),
1688                 array("recentchanges","rc_minor",        "smallint", "rc_minor::smallint DEFAULT 0"),
1689                 array("recentchanges","rc_new",          "smallint", "rc_new::smallint DEFAULT 0"),
1690                 array("recentchanges","rc_type",         "smallint", "rc_type::smallint DEFAULT 0"),
1691                 array("recentchanges","rc_patrolled",    "smallint", "rc_patrolled::smallint DEFAULT 0"),
1692                 array("revision",     "rev_deleted",     "smallint", "rev_deleted::smallint DEFAULT 0"),
1693                 array("revision",     "rev_minor_edit",  "smallint", "rev_minor_edit::smallint DEFAULT 0"),
1694                 array("templatelinks","tl_namespace",    "smallint", "tl_namespace::smallint"),
1695                 array("user_newtalk", "user_ip",         "text",     "host(user_ip)"),
1696         );
1697
1698         # table, column, nullability
1699         $nullchanges = array(
1700                 array("oldimage", "oi_bits",       "NULL"),
1701                 array("oldimage", "oi_timestamp",  "NULL"),
1702                 array("oldimage", "oi_major_mime", "NULL"),
1703                 array("oldimage", "oi_minor_mime", "NULL"),
1704         );
1705
1706         $newindexes = array(
1707                 array("archive",       "archive_user_text",  "(ar_user_text)"),
1708                 array("image",         "img_sha1",           "(img_sha1)"),
1709                 array("oldimage",      "oi_sha1",            "(oi_sha1)"),
1710                 array("revision",      "rev_text_id_idx",    "(rev_text_id)"),
1711                 array("recentchanges", "rc_timestamp_bot",   "(rc_timestamp) WHERE rc_bot = 0"),
1712                 array("templatelinks", "templatelinks_from", "(tl_from)"),
1713                 array("watchlist",     "wl_user",            "(wl_user)"),
1714                 array("logging",       "logging_user_type_time", "(log_user, log_type, log_timestamp)"),
1715                 array("logging",       "logging_page_id_time",   "(log_page,log_timestamp)"),
1716         );
1717
1718         $newrules = array(
1719         );
1720
1721         ## All FK columns should be deferred
1722         $deferredcols = array(
1723                 array("archive",          "ar_user",         "mwuser(user_id) ON DELETE SET NULL"),
1724                 array("categorylinks",    "cl_from",         "page(page_id) ON DELETE CASCADE"),
1725                 array("externallinks",    "el_from",         "page(page_id) ON DELETE CASCADE"),
1726                 array("filearchive",      "fa_deleted_user", "mwuser(user_id) ON DELETE SET NULL"),
1727                 array("filearchive",      "fa_user",         "mwuser(user_id) ON DELETE SET NULL"),
1728                 array("image",            "img_user",        "mwuser(user_id) ON DELETE SET NULL"),
1729                 array("imagelinks",       "il_from",         "page(page_id) ON DELETE CASCADE"),
1730                 array("ipblocks",         "ipb_by",          "mwuser(user_id) ON DELETE CASCADE"),
1731                 array("ipblocks",         "ipb_user",        "mwuser(user_id) ON DELETE SET NULL"),
1732                 array("langlinks",        "ll_from",         "page(page_id) ON DELETE CASCADE"),
1733                 array("logging",          "log_user",        "mwuser(user_id) ON DELETE SET NULL"),
1734                 array("oldimage",         "oi_name",         "image(img_name) ON DELETE CASCADE ON UPDATE CASCADE"),
1735                 array("oldimage",         "oi_user",         "mwuser(user_id) ON DELETE SET NULL"),
1736                 array("pagelinks",        "pl_from",         "page(page_id) ON DELETE CASCADE"),
1737                 array("page_props",       "pp_page",         "page (page_id) ON DELETE CASCADE"),
1738                 array("page_restrictions","pr_page",         "page(page_id) ON DELETE CASCADE"),
1739                 array("protected_titles", "pt_user",         "mwuser(user_id) ON DELETE SET NULL"),
1740                 array("recentchanges",    "rc_cur_id",       "page(page_id) ON DELETE SET NULL"),
1741                 array("recentchanges",    "rc_user",         "mwuser(user_id) ON DELETE SET NULL"),
1742                 array("redirect",         "rd_from",         "page(page_id) ON DELETE CASCADE"),
1743                 array("revision",         "rev_page",        "page (page_id) ON DELETE CASCADE"),
1744                 array("revision",         "rev_user",        "mwuser(user_id) ON DELETE RESTRICT"),
1745                 array("templatelinks",    "tl_from",         "page(page_id) ON DELETE CASCADE"),
1746                 array("trackbacks",       "tb_page",         "page(page_id) ON DELETE CASCADE"),
1747                 array("user_groups",      "ug_user",         "mwuser(user_id) ON DELETE CASCADE"),
1748                 array("user_newtalk",     "user_id",         "mwuser(user_id) ON DELETE CASCADE"),
1749                 array("user_properties",  "up_user",         "mwuser(user_id) ON DELETE CASCADE"),
1750                 array("watchlist",        "wl_user",         "mwuser(user_id) ON DELETE CASCADE"),
1751         );
1752
1753         #Check new sequences, rename if needed
1754         foreach ($newsequences as $ns) {
1755                 if( $wgDatabase->sequenceExists('pr_id_val') ) {
1756                         wfOut( "Updating sequence names\n" );
1757                         $wgDatabase->sourceFile(archive('patch-update_sequences.sql'));
1758                         continue;
1759                 } elseif ( $wgDatabase->sequenceExists('page_restrictions_pr_id_seq') ) {
1760                         wfOut( "... sequences already updated\n" );
1761                         continue;
1762                 } else {
1763                         wfOut( "Creating sequence \"$ns\"\n" );
1764                         $wgDatabase->query("CREATE SEQUENCE $ns");
1765                 }
1766         }
1767
1768         foreach ($newtables as $nt) {
1769                 if ($wgDatabase->tableExists($nt[0])) {
1770                         wfOut( "... table \"$nt[0]\" already exists\n" );
1771                         continue;
1772                 }
1773
1774                 wfOut( "Creating table \"$nt[0]\"\n" );
1775                 $wgDatabase->sourceFile(archive($nt[1]));
1776         }
1777
1778         ## Needed before newcols
1779         if ($wgDatabase->tableExists("archive2")) {
1780                 wfOut( "Converting \"archive2\" back to normal archive table\n" );
1781                 if ($wgDatabase->ruleExists("archive", "archive_insert")) {
1782                         wfOut( "Dropping rule \"archive_insert\"\n" );
1783                         $wgDatabase->query("DROP RULE archive_insert ON archive");
1784                 }
1785                 if ($wgDatabase->ruleExists("archive", "archive_delete")) {
1786                         wfOut( "Dropping rule \"archive_delete\"\n" );
1787                         $wgDatabase->query("DROP RULE archive_delete ON archive");
1788                 }
1789                 $wgDatabase->sourceFile(archive("patch-remove-archive2.sql"));
1790         }
1791         else
1792                 wfOut( "... obsolete table \"archive2\" does not exist\n" );
1793
1794         foreach ($newcols as $nc) {
1795                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1796                 if (!is_null($fi)) {
1797                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1798                         continue;
1799                 }
1800
1801                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1802                 $wgDatabase->query("ALTER TABLE $nc[0] ADD $nc[1] $nc[2]");
1803         }
1804
1805         foreach ($typechanges as $tc) {
1806                 $fi = $wgDatabase->fieldInfo($tc[0], $tc[1]);
1807                 if (is_null($fi)) {
1808                         wfOut( "... error: expected column $tc[0].$tc[1] to exist\n" );
1809                         exit(1);
1810                 }
1811
1812                 if ($fi->type() === $tc[2])
1813                         wfOut( "... column \"$tc[0].$tc[1]\" is already of type \"$tc[2]\"\n" );
1814                 else {
1815                         wfOut( "Changing column type of \"$tc[0].$tc[1]\" from \"{$fi->type()}\" to \"$tc[2]\"\n" );
1816                         $sql = "ALTER TABLE $tc[0] ALTER $tc[1] TYPE $tc[2]";
1817                         if (strlen($tc[3])) {
1818                                 $default = array();
1819                                 if (preg_match( '/DEFAULT (.+)/', $tc[3], $default)) {
1820                                         $sqldef = "ALTER TABLE $tc[0] ALTER $tc[1] SET DEFAULT $default[1]";
1821                                         $wgDatabase->query($sqldef);
1822                                         $tc[3] = preg_replace( '/\s*DEFAULT .+/', '', $tc[3]);
1823                                 }
1824                                 $sql .= " USING $tc[3]";
1825                         }
1826                         $sql .= ";\nCOMMIT;\n";
1827                         $wgDatabase->query($sql);
1828                 }
1829         }
1830
1831         foreach ($nullchanges as $nc) {
1832                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1833                 if (is_null($fi)) {
1834                         wfOut( "... error: expected column $nc[0].$nc[1] to exist\n" );
1835                         exit(1);
1836                 }
1837                 if ($fi->nullable()) {
1838                         ## It's NULL - does it need to be NOT NULL?
1839                         if ('NOT NULL' === $nc[2]) {
1840                                 wfOut( "Changing \"$nc[0].$nc[1]\" to not allow NULLs\n" );
1841                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] SET NOT NULL" );
1842                         }
1843                         else {
1844                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NULL\n" );
1845                         }
1846                 }
1847                 else {
1848                         ## It's NOT NULL - does it need to be NULL?
1849                         if ('NULL' === $nc[2]) {
1850                                 wfOut( "Changing \"$nc[0].$nc[1]\" to allow NULLs\n" );
1851                                 $wgDatabase->query( "ALTER TABLE $nc[0] ALTER $nc[1] DROP NOT NULL" );
1852                         }
1853                         else {
1854                                 wfOut( "... column \"$nc[0].$nc[1]\" is already set as NOT NULL\n" );
1855                         }
1856                 }
1857         }
1858
1859         if ($wgDatabase->fieldInfo('oldimage','oi_deleted')->type() !== 'smallint') {
1860                 wfOut( "Changing \"oldimage.oi_deleted\" to type \"smallint\"\n" );
1861                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1862                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1863                 $wgDatabase->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1864         }
1865         else
1866                 wfOut( "... column \"oldimage.oi_deleted\" is already of type \"smallint\"\n" );
1867
1868
1869         foreach ($newindexes as $ni) {
1870                 if (pg_index_exists($ni[0], $ni[1])) {
1871                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1872                         continue;
1873                 }
1874                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\" $ni[2]\n" );
1875                 $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
1876         }
1877
1878         foreach ($newrules as $nr) {
1879                 if ($wgDatabase->ruleExists($nr[0], $nr[1])) {
1880                         wfOut( "... rule \"$nr[1]\" on table \"$nr[0]\" already exists\n" );
1881                         continue;
1882                 }
1883                 wfOut( "Adding rule \"$nr[1]\" to table \"$nr[0]\"\n" );
1884                 $wgDatabase->sourceFile(archive($nr[2]));
1885         }
1886
1887         if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascaded")) {
1888                 wfOut( "... table \"oldimage\" has correct cascading delete/update foreign key to image\n" );
1889         }
1890         else {
1891                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey")) {
1892                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1893                 }
1894                 if ($wgDatabase->hasConstraint("oldimage_oi_name_fkey_cascade")) {
1895                         $wgDatabase->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1896                 }
1897                 wfOut( "Making foreign key on table \"oldimage\" (to image) a cascade delete/update\n" );
1898                 $wgDatabase->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded ".
1899                         "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE ON UPDATE CASCADE" );
1900         }
1901
1902         if (!$wgDatabase->triggerExists("page", "page_deleted")) {
1903                 wfOut( "Adding function and trigger \"page_deleted\" to table \"page\"\n" );
1904                 $wgDatabase->sourceFile(archive('patch-page_deleted.sql'));
1905         }
1906         else
1907                 wfOut( "... table \"page\" has \"page_deleted\" trigger\n" );
1908
1909         $fi = $wgDatabase->fieldInfo("recentchanges", "rc_cur_id");
1910         if (!$fi->nullable()) {
1911                 wfOut( "Removing NOT NULL constraint from \"recentchanges.rc_cur_id\"\n" );
1912                 $wgDatabase->sourceFile(archive('patch-rc_cur_id-not-null.sql'));
1913         }
1914         else
1915                 wfOut( "... column \"recentchanges.rc_cur_id\" has a NOT NULL constraint\n" );
1916
1917         $pu = pg_describe_index("pagelink_unique");
1918         if (!is_null($pu) && ($pu[0] != "pl_from" || $pu[1] != "pl_namespace" || $pu[2] != "pl_title")) {
1919                 wfOut( "Dropping obsolete version of index \"pagelink_unique index\"\n" );
1920                 $wgDatabase->query("DROP INDEX pagelink_unique");
1921                 $pu = null;
1922         }
1923         else
1924                 wfOut( "... obsolete version of index \"pagelink_unique index\" does not exist\n" );
1925
1926         if (is_null($pu)) {
1927                 wfOut( "Creating index \"pagelink_unique index\"\n" );
1928                 $wgDatabase->query("CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)");
1929         }
1930         else
1931                 wfOut( "... index \"pagelink_unique_index\" already exists\n" );
1932
1933         if (pg_fkey_deltype("revision_rev_user_fkey") == 'r') {
1934                 wfOut( "... constraint \"revision_rev_user_fkey\" is ON DELETE RESTRICT\n" );
1935         }
1936         else {
1937                 wfOut( "Changing constraint \"revision_rev_user_fkey\" to ON DELETE RESTRICT\n" );
1938                 $wgDatabase->sourceFile(archive('patch-revision_rev_user_fkey.sql'));
1939         }
1940
1941         # Fix ipb_address index
1942         if (pg_index_exists('ipblocks', 'ipb_address' )) {
1943                 wfOut( "Removing deprecated index 'ipb_address'...\n" );
1944                 $wgDatabase->query('DROP INDEX ipb_address');
1945         }
1946         if (pg_index_exists('ipblocks', 'ipb_address_unique' )) {
1947                 wfOut( "... have ipb_address_unique\n" );
1948         }
1949         else {
1950                 wfOut( "Adding ipb_address_unique index\n" );
1951                 $wgDatabase->sourceFile(archive('patch-ipb_address_unique.sql'));
1952         }
1953
1954         global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
1955         # Add missing extension tables
1956         foreach ( $wgExtNewTables as $nt ) {
1957                 if ($wgDatabase->tableExists($nt[0])) {
1958                         wfOut( "... table \"$nt[0]\" already exists\n" );
1959                         continue;
1960                 }
1961                 wfOut( "Creating table \"$nt[0]\"\n" );
1962                 $wgDatabase->sourceFile($nt[1]);
1963         }
1964         # Add missing extension fields
1965         foreach ( $wgExtPGNewFields as $nc ) {
1966                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1967                 if (!is_null($fi)) {
1968                         wfOut( "... column \"$nc[0].$nc[1]\" already exists\n" );
1969                         continue;
1970                 }
1971                 wfOut( "Adding column \"$nc[0].$nc[1]\"\n" );
1972                 $wgDatabase->query( "ALTER TABLE $nc[0] ADD $nc[1] $nc[2]" );
1973         }
1974         # Change altered columns
1975         foreach ( $wgExtPGAlteredFields as $nc ) {
1976                 $fi = $wgDatabase->fieldInfo($nc[0], $nc[1]);
1977                 if (is_null($fi)) {
1978                         wfOut( "WARNING! Column \"$nc[0].$nc[1]\" does not exist but had an alter request! Please report this.\n" );
1979                         continue;
1980                 }
1981                 $oldtype = $fi->type();
1982                 $newtype = strtolower( $nc[2] );
1983                 if ($oldtype === $newtype) {
1984                         wfOut( "... column \"$nc[0].$nc[1]\" has correct type of \"$newtype\"\n" );
1985                         continue;
1986                 }
1987                 $command = "ALTER TABLE $nc[0] ALTER $nc[1] TYPE $nc[2]";
1988                 if ( isset( $nc[3] ) ) {
1989                         $command .= " USING $nc[3]";
1990                 }
1991                 wfOut( "Altering column \"$nc[0].$nc[1]\" from type \"$oldtype\" to \"$newtype\"\n" );
1992                 $wgDatabase->query( $command );
1993         }
1994         # Add missing extension indexes
1995         foreach ( $wgExtNewIndexes as $ni ) {
1996                 if (pg_index_exists($ni[0], $ni[1])) {
1997                         wfOut( "... index \"$ni[1]\" on table \"$ni[0]\" already exists\n" );
1998                         continue;
1999                 }
2000                 wfOut( "Creating index \"$ni[1]\" on table \"$ni[0]\"\n" );
2001                 if ( preg_match( '/^\(/', $ni[2] ) ) {
2002                         $wgDatabase->query( "CREATE INDEX $ni[1] ON $ni[0] $ni[2]" );
2003                 }
2004                 else {
2005                         $wgDatabase->sourceFile($ni[2]);
2006                 }
2007         }
2008
2009         foreach ( $deferredcols AS $dc ) {
2010                 $fi = $wgDatabase->fieldInfo($dc[0], $dc[1]);
2011                 if (is_null($fi)) {
2012                         wfOut( "WARNING! Column \"$dc[0].$dc[1]\" does not exist but it should! Please report this.\n" );
2013                         continue;
2014                 }
2015                 if ( $fi->is_deferred() && $fi->is_deferrable() ) {
2016                         continue;
2017                 }
2018                 wfOut( "Altering column \"$dc[0].$dc[1]\" to be DEFERRABLE INITTALLY DEFERRED\n" );
2019                 $conname = $fi->conname();
2020                 $clause = $dc[2];
2021                 $command = "ALTER TABLE $dc[0] DROP CONSTRAINT $conname";
2022                 $wgDatabase->query( $command );
2023                 $command = "ALTER TABLE $dc[0] ADD CONSTRAINT $conname FOREIGN KEY ($dc[1]) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
2024                 $wgDatabase->query( $command );
2025         }
2026
2027         # Tweak the page_title tsearch2 trigger to filter out slashes
2028         # This is create or replace, so harmless to call if not needed
2029         $wgDatabase->sourceFile(archive('patch-ts2pagetitle.sql'));
2030
2031         ## If the server is 8.3 or higher, rewrite the tsearch2 triggers
2032         ## in case they have the old 'default' versions
2033         if ( $numver >= 8.3 )
2034                 $wgDatabase->sourceFile(archive('patch-tsearch2funcs.sql'));
2035
2036         ## Put a new row in the mediawiki_version table
2037         $wgDatabase->insert( 'mediawiki_version',
2038                 array(
2039                         'type' => 'Update',
2040                         'ctype' => 'U',
2041                         'mw_version' => $wgVersion,
2042                         'pg_version' => $version,
2043                         'sql_version' => '$LastChangedRevision$',
2044                         'sql_date' => '$LastChangedDate$',
2045                 ) );
2046         return;
2047 }