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   1  <?php
   2  /**
   3   * Sqlite-specific updater.
   4   *
   5   * This program is free software; you can redistribute it and/or modify
   6   * it under the terms of the GNU General Public License as published by
   7   * the Free Software Foundation; either version 2 of the License, or
   8   * (at your option) any later version.
   9   *
  10   * This program is distributed in the hope that it will be useful,
  11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13   * GNU General Public License for more details.
  14   *
  15   * You should have received a copy of the GNU General Public License along
  16   * with this program; if not, write to the Free Software Foundation, Inc.,
  17   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18   * http://www.gnu.org/copyleft/gpl.html
  19   *
  20   * @file
  21   * @ingroup Deployment
  22   */
  23  
  24  /**
  25   * Class for handling updates to Sqlite databases.
  26   *
  27   * @ingroup Deployment
  28   * @since 1.17
  29   */
  30  class SqliteUpdater extends DatabaseUpdater {
  31  
  32  	protected function getCoreUpdateList() {
  33          return array(
  34              array( 'disableContentHandlerUseDB' ),
  35  
  36              // 1.14
  37              array( 'addField', 'site_stats', 'ss_active_users', 'patch-ss_active_users.sql' ),
  38              array( 'doActiveUsersInit' ),
  39              array( 'addField', 'ipblocks', 'ipb_allow_usertalk', 'patch-ipb_allow_usertalk.sql' ),
  40              array( 'sqliteInitialIndexes' ),
  41  
  42              // 1.15
  43              array( 'addTable', 'change_tag', 'patch-change_tag.sql' ),
  44              array( 'addTable', 'tag_summary', 'patch-tag_summary.sql' ),
  45              array( 'addTable', 'valid_tag', 'patch-valid_tag.sql' ),
  46  
  47              // 1.16
  48              array( 'addTable', 'user_properties', 'patch-user_properties.sql' ),
  49              array( 'addTable', 'log_search', 'patch-log_search.sql' ),
  50              array( 'addField', 'logging', 'log_user_text', 'patch-log_user_text.sql' ),
  51              # listed separately from the previous update because 1.16 was released without this update
  52              array( 'doLogUsertextPopulation' ),
  53              array( 'doLogSearchPopulation' ),
  54              array( 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ),
  55              array( 'addIndex', 'log_search', 'ls_field_val', 'patch-log_search-rename-index.sql' ),
  56              array( 'addIndex', 'change_tag', 'change_tag_rc_tag', 'patch-change_tag-indexes.sql' ),
  57              array( 'addField', 'redirect', 'rd_interwiki', 'patch-rd_interwiki.sql' ),
  58              array( 'doUpdateTranscacheField' ),
  59              array( 'sqliteSetupSearchindex' ),
  60  
  61              // 1.17
  62              array( 'addTable', 'iwlinks', 'patch-iwlinks.sql' ),
  63              array( 'addIndex', 'iwlinks', 'iwl_prefix_title_from', 'patch-rename-iwl_prefix.sql' ),
  64              array( 'addField', 'updatelog', 'ul_value', 'patch-ul_value.sql' ),
  65              array( 'addField', 'interwiki', 'iw_api', 'patch-iw_api_and_wikiid.sql' ),
  66              array( 'dropIndex', 'iwlinks', 'iwl_prefix', 'patch-kill-iwl_prefix.sql' ),
  67              array( 'addField', 'categorylinks', 'cl_collation', 'patch-categorylinks-better-collation.sql' ),
  68              array( 'doCollationUpdate' ),
  69              array( 'addTable', 'msg_resource', 'patch-msg_resource.sql' ),
  70              array( 'addTable', 'module_deps', 'patch-module_deps.sql' ),
  71              array( 'dropIndex', 'archive', 'ar_page_revid', 'patch-archive_kill_ar_page_revid.sql' ),
  72              array( 'addIndex', 'archive', 'ar_revid', 'patch-archive_ar_revid.sql' ),
  73  
  74              // 1.18
  75              array( 'addIndex', 'user', 'user_email', 'patch-user_email_index.sql' ),
  76              array( 'addTable', 'uploadstash', 'patch-uploadstash.sql' ),
  77              array( 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ),
  78  
  79              // 1.19
  80              array( 'addIndex', 'logging', 'type_action', 'patch-logging-type-action-index.sql' ),
  81              array( 'doMigrateUserOptions' ),
  82              array( 'dropField', 'user', 'user_options', 'patch-drop-user_options.sql' ),
  83              array( 'addField', 'revision', 'rev_sha1', 'patch-rev_sha1.sql' ),
  84              array( 'addField', 'archive', 'ar_sha1', 'patch-ar_sha1.sql' ),
  85              array( 'addIndex', 'page', 'page_redirect_namespace_len',
  86                  'patch-page_redirect_namespace_len.sql' ),
  87              array( 'addField', 'uploadstash', 'us_chunk_inx', 'patch-uploadstash_chunk.sql' ),
  88              array( 'addfield', 'job', 'job_timestamp', 'patch-jobs-add-timestamp.sql' ),
  89  
  90              // 1.20
  91              array( 'addIndex', 'revision', 'page_user_timestamp', 'patch-revision-user-page-index.sql' ),
  92              array( 'addField', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id.sql' ),
  93              array( 'addIndex', 'ipblocks', 'ipb_parent_block_id', 'patch-ipb-parent-block-id-index.sql' ),
  94              array( 'dropField', 'category', 'cat_hidden', 'patch-cat_hidden.sql' ),
  95  
  96              // 1.21
  97              array( 'addField', 'revision', 'rev_content_format', 'patch-revision-rev_content_format.sql' ),
  98              array( 'addField', 'revision', 'rev_content_model', 'patch-revision-rev_content_model.sql' ),
  99              array( 'addField', 'archive', 'ar_content_format', 'patch-archive-ar_content_format.sql' ),
 100              array( 'addField', 'archive', 'ar_content_model', 'patch-archive-ar_content_model.sql' ),
 101              array( 'addField', 'page', 'page_content_model', 'patch-page-page_content_model.sql' ),
 102              array( 'enableContentHandlerUseDB' ),
 103  
 104              array( 'dropField', 'site_stats', 'ss_admins', 'patch-drop-ss_admins.sql' ),
 105              array( 'dropField', 'recentchanges', 'rc_moved_to_title', 'patch-rc_moved.sql' ),
 106              array( 'addTable', 'sites', 'patch-sites.sql' ),
 107              array( 'addField', 'filearchive', 'fa_sha1', 'patch-fa_sha1.sql' ),
 108              array( 'addField', 'job', 'job_token', 'patch-job_token.sql' ),
 109              array( 'addField', 'job', 'job_attempts', 'patch-job_attempts.sql' ),
 110              array( 'doEnableProfiling' ),
 111              array( 'addField', 'uploadstash', 'us_props', 'patch-uploadstash-us_props.sql' ),
 112              array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ),
 113              array( 'modifyField', 'user_former_groups', 'ufg_group',
 114                  'patch-ufg_group-length-increase-255.sql' ),
 115              array( 'addIndex', 'page_props', 'pp_propname_page',
 116                  'patch-page_props-propname-page-index.sql' ),
 117              array( 'addIndex', 'image', 'img_media_mime', 'patch-img_media_mime-index.sql' ),
 118  
 119              // 1.22
 120              array( 'addIndex', 'iwlinks', 'iwl_prefix_from_title', 'patch-iwlinks-from-title-index.sql' ),
 121              array( 'addField', 'archive', 'ar_id', 'patch-archive-ar_id.sql' ),
 122              array( 'addField', 'externallinks', 'el_id', 'patch-externallinks-el_id.sql' ),
 123  
 124              // 1.23
 125              array( 'addField', 'recentchanges', 'rc_source', 'patch-rc_source.sql' ),
 126              array( 'addIndex', 'logging', 'log_user_text_type_time',
 127                  'patch-logging_user_text_type_time_index.sql' ),
 128              array( 'addIndex', 'logging', 'log_user_text_time', 'patch-logging_user_text_time_index.sql' ),
 129              array( 'addField', 'page', 'page_links_updated', 'patch-page_links_updated.sql' ),
 130              array( 'addField', 'user', 'user_password_expires', 'patch-user_password_expire.sql' ),
 131  
 132              // 1.24
 133              array( 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ),
 134              array( 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ),
 135              array( 'addIndex', 'watchlist', 'wl_user_notificationtimestamp', 'patch-watchlist-user-notificationtimestamp-index.sql' ),
 136              array( 'addField', 'page', 'page_lang', 'patch-page-page_lang.sql' ),
 137              array( 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ),
 138              array( 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ),
 139              array( 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ),
 140          );
 141      }
 142  
 143  	protected function sqliteInitialIndexes() {
 144          // initial-indexes.sql fails if the indexes are already present,
 145          // so we perform a quick check if our database is newer.
 146          if ( $this->updateRowExists( 'initial_indexes' ) ||
 147              $this->db->indexExists( 'user', 'user_name', __METHOD__ )
 148          ) {
 149              $this->output( "...have initial indexes\n" );
 150  
 151              return;
 152          }
 153          $this->applyPatch( 'initial-indexes.sql', false, "Adding initial indexes" );
 154      }
 155  
 156  	protected function sqliteSetupSearchindex() {
 157          $module = DatabaseSqlite::getFulltextSearchModule();
 158          $fts3tTable = $this->updateRowExists( 'fts3' );
 159          if ( $fts3tTable && !$module ) {
 160              $this->applyPatch(
 161                  'searchindex-no-fts.sql',
 162                  false,
 163                  'PHP is missing FTS3 support, downgrading tables'
 164              );
 165          } elseif ( !$fts3tTable && $module == 'FTS3' ) {
 166              $this->applyPatch( 'searchindex-fts3.sql', false, "Adding FTS3 search capabilities" );
 167          } else {
 168              $this->output( "...fulltext search table appears to be in order.\n" );
 169          }
 170      }
 171  
 172  	protected function doEnableProfiling() {
 173          global $wgProfileToDatabase;
 174          if ( $wgProfileToDatabase === true && !$this->db->tableExists( 'profiling', __METHOD__ ) ) {
 175              $this->applyPatch( 'patch-profiling.sql', false, 'Add profiling table' );
 176          }
 177      }
 178  }