doTable( $table ) ) { return true; } $tableName = $this->db->tableName( $table ); $res = $this->db->query( "SELECT $field FROM $tableName LIMIT 0", __METHOD__ ); $flags = explode( ' ', mysql_field_flags( $res->result, 0 ) ); if ( in_array( 'binary', $flags ) ) { $this->output( "...$table table has correct $field encoding.\n" ); } else { $this->applyPatch( $patchFile, false, "Fixing $field encoding on $table table" ); } } /** * Check whether an index contain a field * * @param string $table table name * @param string $index index name to check * @param string $field field that should be in the index * @return Boolean */ protected function indexHasField( $table, $index, $field ) { if ( !$this->doTable( $table ) ) { return true; } $info = $this->db->indexInfo( $table, $index, __METHOD__ ); if ( $info ) { foreach ( $info as $row ) { if ( $row->Column_name == $field ) { $this->output( "...index $index on table $table includes field $field.\n" ); return true; } } } $this->output( "...index $index on table $table has no field $field; added.\n" ); return false; } /** * Check that interwiki table exists; if it doesn't source it */ protected function doInterwikiUpdate() { global $IP; if ( !$this->doTable( 'interwiki' ) ) { return true; } if ( $this->db->tableExists( "interwiki", __METHOD__ ) ) { $this->output( "...already have interwiki table\n" ); return; } $this->applyPatch( 'patch-interwiki.sql', false, 'Creating interwiki table' ); $this->applyPatch( "$IP/maintenance/interwiki.sql", true, 'Adding default interwiki definitions' ); } /** * Check that proper indexes are in place */ protected function doIndexUpdate() { $meta = $this->db->fieldInfo( 'recentchanges', 'rc_timestamp' ); if ( $meta === false ) { throw new MWException( 'Missing rc_timestamp field of recentchanges table. Should not happen.' ); } if ( $meta->isMultipleKey() ) { $this->output( "...indexes seem up to 20031107 standards.\n" ); return; } $this->applyPatch( 'patch-indexes.sql', true, "Updating indexes to 20031107" ); } protected function doOldLinksUpdate() { $cl = $this->maintenance->runChild( 'ConvertLinks' ); $cl->execute(); } protected function doFixAncientImagelinks() { $info = $this->db->fieldInfo( 'imagelinks', 'il_from' ); if ( !$info || $info->type() !== 'string' ) { $this->output( "...il_from OK\n" ); return; } if( $this->applyPatch( 'patch-fix-il_from.sql', false, "Fixing ancient broken imagelinks table." ) ) { $this->output( "NOTE: you will have to run maintenance/refreshLinks.php after this." ); } } /** * Check if we need to add talk page rows to the watchlist */ function doWatchlistUpdate() { $talk = $this->db->selectField( 'watchlist', 'count(*)', 'wl_namespace & 1', __METHOD__ ); $nontalk = $this->db->selectField( 'watchlist', 'count(*)', 'NOT (wl_namespace & 1)', __METHOD__ ); if ( $talk == $nontalk ) { $this->output( "...watchlist talk page rows already present.\n" ); return; } $this->output( "Adding missing watchlist talk page rows... " ); $this->db->insertSelect( 'watchlist', 'watchlist', array( 'wl_user' => 'wl_user', 'wl_namespace' => 'wl_namespace | 1', 'wl_title' => 'wl_title', 'wl_notificationtimestamp' => 'wl_notificationtimestamp' ), array( 'NOT (wl_namespace & 1)' ), __METHOD__, 'IGNORE' ); $this->output( "done.\n" ); } function doSchemaRestructuring() { if ( $this->db->tableExists( 'page', __METHOD__ ) ) { $this->output( "...page table already exists.\n" ); return; } $this->output( "...converting from cur/old to page/revision/text DB structure.\n" ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......checking for duplicate entries.\n" ); list ( $cur, $old, $page, $revision, $text ) = $this->db->tableNamesN( 'cur', 'old', 'page', 'revision', 'text' ); $rows = $this->db->query( "SELECT cur_title, cur_namespace, COUNT(cur_namespace) AS c FROM $cur GROUP BY cur_title, cur_namespace HAVING c>1", __METHOD__ ); if ( $rows->numRows() > 0 ) { $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Found duplicate entries\n" ); $this->output( sprintf( " %-60s %3s %5s\n", 'Title', 'NS', 'Count' ) ); $duplicate = array(); foreach ( $rows as $row ) { if ( ! isset( $duplicate[$row->cur_namespace] ) ) { $duplicate[$row->cur_namespace] = array(); } $duplicate[$row->cur_namespace][] = $row->cur_title; $this->output( sprintf( " %-60s %3s %5s\n", $row->cur_title, $row->cur_namespace, $row->c ) ); } $sql = "SELECT cur_title, cur_namespace, cur_id, cur_timestamp FROM $cur WHERE "; $firstCond = true; foreach ( $duplicate as $ns => $titles ) { if ( $firstCond ) { $firstCond = false; } else { $sql .= ' OR '; } $sql .= "( cur_namespace = {$ns} AND cur_title in ("; $first = true; foreach ( $titles as $t ) { if ( $first ) { $sql .= $this->db->addQuotes( $t ); $first = false; } else { $sql .= ', ' . $this->db->addQuotes( $t ); } } $sql .= ") ) \n"; } # By sorting descending, the most recent entry will be the first in the list. # All following entries will be deleted by the next while-loop. $sql .= 'ORDER BY cur_namespace, cur_title, cur_timestamp DESC'; $rows = $this->db->query( $sql, __METHOD__ ); $prev_title = $prev_namespace = false; $deleteId = array(); foreach ( $rows as $row ) { if ( $prev_title == $row->cur_title && $prev_namespace == $row->cur_namespace ) { $deleteId[] = $row->cur_id; } $prev_title = $row->cur_title; $prev_namespace = $row->cur_namespace; } $sql = "DELETE FROM $cur WHERE cur_id IN ( " . join( ',', $deleteId ) . ')'; $this->db->query( $sql, __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Deleted " . $this->db->affectedRows() . " records.\n" ); } $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Creating tables.\n" ); $this->db->query( "CREATE TABLE $page ( page_id int(8) unsigned NOT NULL auto_increment, page_namespace int NOT NULL, page_title varchar(255) binary NOT NULL, page_restrictions tinyblob NOT NULL, page_counter bigint(20) unsigned NOT NULL default '0', page_is_redirect tinyint(1) unsigned NOT NULL default '0', page_is_new tinyint(1) unsigned NOT NULL default '0', page_random real unsigned NOT NULL, page_touched char(14) binary NOT NULL default '', page_latest int(8) unsigned NOT NULL, page_len int(8) unsigned NOT NULL, PRIMARY KEY page_id (page_id), UNIQUE INDEX name_title (page_namespace,page_title), INDEX (page_random), INDEX (page_len) ) ENGINE=InnoDB", __METHOD__ ); $this->db->query( "CREATE TABLE $revision ( rev_id int(8) unsigned NOT NULL auto_increment, rev_page int(8) unsigned NOT NULL, rev_comment tinyblob NOT NULL, rev_user int(5) unsigned NOT NULL default '0', rev_user_text varchar(255) binary NOT NULL default '', rev_timestamp char(14) binary NOT NULL default '', rev_minor_edit tinyint(1) unsigned NOT NULL default '0', rev_deleted tinyint(1) unsigned NOT NULL default '0', rev_len int(8) unsigned, rev_parent_id int(8) unsigned default NULL, PRIMARY KEY rev_page_id (rev_page, rev_id), UNIQUE INDEX rev_id (rev_id), INDEX rev_timestamp (rev_timestamp), INDEX page_timestamp (rev_page,rev_timestamp), INDEX user_timestamp (rev_user,rev_timestamp), INDEX usertext_timestamp (rev_user_text,rev_timestamp) ) ENGINE=InnoDB", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Locking tables.\n" ); $this->db->query( "LOCK TABLES $page WRITE, $revision WRITE, $old WRITE, $cur WRITE", __METHOD__ ); $maxold = intval( $this->db->selectField( 'old', 'max(old_id)', '', __METHOD__ ) ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......maxold is {$maxold}\n" ); $this->output( wfTimestamp( TS_DB ) ); global $wgLegacySchemaConversion; if ( $wgLegacySchemaConversion ) { // Create HistoryBlobCurStub entries. // Text will be pulled from the leftover 'cur' table at runtime. $this->output( "......Moving metadata from cur; using blob references to text in cur table.\n" ); $cur_text = "concat('O:18:\"historyblobcurstub\":1:{s:6:\"mCurId\";i:',cur_id,';}')"; $cur_flags = "'object'"; } else { // Copy all cur text in immediately: this may take longer but avoids // having to keep an extra table around. $this->output( "......Moving text from cur.\n" ); $cur_text = 'cur_text'; $cur_flags = "''"; } $this->db->query( "INSERT INTO $old (old_namespace, old_title, old_text, old_comment, old_user, old_user_text, old_timestamp, old_minor_edit, old_flags) SELECT cur_namespace, cur_title, $cur_text, cur_comment, cur_user, cur_user_text, cur_timestamp, cur_minor_edit, $cur_flags FROM $cur", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Setting up revision table.\n" ); $this->db->query( "INSERT INTO $revision (rev_id, rev_page, rev_comment, rev_user, rev_user_text, rev_timestamp, rev_minor_edit) SELECT old_id, cur_id, old_comment, old_user, old_user_text, old_timestamp, old_minor_edit FROM $old,$cur WHERE old_namespace=cur_namespace AND old_title=cur_title", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Setting up page table.\n" ); $this->db->query( "INSERT INTO $page (page_id, page_namespace, page_title, page_restrictions, page_counter, page_is_redirect, page_is_new, page_random, page_touched, page_latest, page_len) SELECT cur_id, cur_namespace, cur_title, cur_restrictions, cur_counter, cur_is_redirect, cur_is_new, cur_random, cur_touched, rev_id, LENGTH(cur_text) FROM $cur,$revision WHERE cur_id=rev_page AND rev_timestamp=cur_timestamp AND rev_id > {$maxold}", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Unlocking tables.\n" ); $this->db->query( "UNLOCK TABLES", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "......Renaming old.\n" ); $this->db->query( "ALTER TABLE $old RENAME TO $text", __METHOD__ ); $this->output( wfTimestamp( TS_DB ) ); $this->output( "...done.\n" ); } protected function doNamespaceSize() { $tables = array( 'page' => 'page', 'archive' => 'ar', 'recentchanges' => 'rc', 'watchlist' => 'wl', 'querycache' => 'qc', 'logging' => 'log', ); foreach ( $tables as $table => $prefix ) { $field = $prefix . '_namespace'; $tablename = $this->db->tableName( $table ); $result = $this->db->query( "SHOW COLUMNS FROM $tablename LIKE '$field'", __METHOD__ ); $info = $this->db->fetchObject( $result ); if ( substr( $info->Type, 0, 3 ) == 'int' ) { $this->output( "...$field is already a full int ($info->Type).\n" ); } else { $this->output( "Promoting $field from $info->Type to int... " ); $this->db->query( "ALTER TABLE $tablename MODIFY $field int NOT NULL", __METHOD__ ); $this->output( "done.\n" ); } } } protected function doPagelinksUpdate() { if ( $this->db->tableExists( 'pagelinks', __METHOD__ ) ) { $this->output( "...already have pagelinks table.\n" ); return; } $this->applyPatch( 'patch-pagelinks.sql', false, "Converting links and brokenlinks tables to pagelinks" ); global $wgContLang; foreach ( MWNamespace::getCanonicalNamespaces() as $ns => $name ) { if ( $ns == 0 ) { continue; } $this->output( "Cleaning up broken links for namespace $ns... " ); $pagelinks = $this->db->tableName( 'pagelinks' ); $name = $wgContLang->getNsText( $ns ); $prefix = $this->db->strencode( $name ); $likeprefix = str_replace( '_', '\\_', $prefix ); $sql = "UPDATE $pagelinks SET pl_namespace=$ns, pl_title=TRIM(LEADING '$prefix:' FROM pl_title) WHERE pl_namespace=0 AND pl_title LIKE '$likeprefix:%'"; $this->db->query( $sql, __METHOD__ ); $this->output( "done.\n" ); } } protected function doUserUniqueUpdate() { if ( !$this->doTable( 'user' ) ) { return true; } $duper = new UserDupes( $this->db, array( $this, 'output' ) ); if ( $duper->hasUniqueIndex() ) { $this->output( "...already have unique user_name index.\n" ); return; } if ( !$duper->clearDupes() ) { $this->output( "WARNING: This next step will probably fail due to unfixed duplicates...\n" ); } $this->applyPatch( 'patch-user_nameindex.sql', false, "Adding unique index on user_name" ); } protected function doUserGroupsUpdate() { if ( !$this->doTable( 'user_groups' ) ) { return true; } if ( $this->db->tableExists( 'user_groups', __METHOD__ ) ) { $info = $this->db->fieldInfo( 'user_groups', 'ug_group' ); if ( $info->type() == 'int' ) { $oldug = $this->db->tableName( 'user_groups' ); $newug = $this->db->tableName( 'user_groups_bogus' ); $this->output( "user_groups table exists but is in bogus intermediate format. Renaming to $newug... " ); $this->db->query( "ALTER TABLE $oldug RENAME TO $newug", __METHOD__ ); $this->output( "done.\n" ); $this->applyPatch( 'patch-user_groups.sql', false, "Re-adding fresh user_groups table" ); $this->output( "***\n" ); $this->output( "*** WARNING: You will need to manually fix up user permissions in the user_groups\n" ); $this->output( "*** table. Old 1.5 alpha versions did some pretty funky stuff...\n" ); $this->output( "***\n" ); } else { $this->output( "...user_groups table exists and is in current format.\n" ); } return; } $this->applyPatch( 'patch-user_groups.sql', false, "Adding user_groups table" ); if ( !$this->db->tableExists( 'user_rights', __METHOD__ ) ) { if ( $this->db->fieldExists( 'user', 'user_rights', __METHOD__ ) ) { $this->db->applyPatch( 'patch-user_rights.sql', false, "Upgrading from a 1.3 or older database? Breaking out user_rights for conversion" ); } else { $this->output( "*** WARNING: couldn't locate user_rights table or field for upgrade.\n" ); $this->output( "*** You may need to manually configure some sysops by manipulating\n" ); $this->output( "*** the user_groups table.\n" ); return; } } $this->output( "Converting user_rights table to user_groups... " ); $result = $this->db->select( 'user_rights', array( 'ur_user', 'ur_rights' ), array( "ur_rights != ''" ), __METHOD__ ); foreach ( $result as $row ) { $groups = array_unique( array_map( 'trim', explode( ',', $row->ur_rights ) ) ); foreach ( $groups as $group ) { $this->db->insert( 'user_groups', array( 'ug_user' => $row->ur_user, 'ug_group' => $group ), __METHOD__ ); } } $this->output( "done.\n" ); } /** * Make sure wl_notificationtimestamp can be NULL, * and update old broken items. */ protected function doWatchlistNull() { $info = $this->db->fieldInfo( 'watchlist', 'wl_notificationtimestamp' ); if ( !$info ) { return; } if ( $info->isNullable() ) { $this->output( "...wl_notificationtimestamp is already nullable.\n" ); return; } $this->applyPatch( 'patch-watchlist-null.sql', false, "Making wl_notificationtimestamp nullable" ); } /** * Set page_random field to a random value where it is equals to 0. * * @see bug 3946 */ protected function doPageRandomUpdate() { $page = $this->db->tableName( 'page' ); $this->db->query( "UPDATE $page SET page_random = RAND() WHERE page_random = 0", __METHOD__ ); $rows = $this->db->affectedRows(); if( $rows ) { $this->output( "Set page_random to a random value on $rows rows where it was set to 0\n" ); } else { $this->output( "...no page_random rows needed to be set\n" ); } } protected function doTemplatelinksUpdate() { if ( $this->db->tableExists( 'templatelinks', __METHOD__ ) ) { $this->output( "...templatelinks table already exists\n" ); return; } $this->applyPatch( 'patch-templatelinks.sql', false, "Creating templatelinks table" ); $this->output( "Populating...\n" ); if ( wfGetLB()->getServerCount() > 1 ) { // Slow, replication-friendly update $res = $this->db->select( 'pagelinks', array( 'pl_from', 'pl_namespace', 'pl_title' ), array( 'pl_namespace' => NS_TEMPLATE ), __METHOD__ ); $count = 0; foreach ( $res as $row ) { $count = ( $count + 1 ) % 100; if ( $count == 0 ) { wfWaitForSlaves(); } $this->db->insert( 'templatelinks', array( 'tl_from' => $row->pl_from, 'tl_namespace' => $row->pl_namespace, 'tl_title' => $row->pl_title, ), __METHOD__ ); } } else { // Fast update $this->db->insertSelect( 'templatelinks', 'pagelinks', array( 'tl_from' => 'pl_from', 'tl_namespace' => 'pl_namespace', 'tl_title' => 'pl_title' ), array( 'pl_namespace' => 10 ), __METHOD__ ); } $this->output( "Done. Please run maintenance/refreshLinks.php for a more thorough templatelinks update.\n" ); } protected function doBacklinkingIndicesUpdate() { if ( !$this->indexHasField( 'pagelinks', 'pl_namespace', 'pl_from' ) || !$this->indexHasField( 'templatelinks', 'tl_namespace', 'tl_from' ) || !$this->indexHasField( 'imagelinks', 'il_to', 'il_from' ) ) { $this->applyPatch( 'patch-backlinkindexes.sql', false, "Updating backlinking indices" ); } } /** * Adding page_restrictions table, obsoleting page.page_restrictions. * Migrating old restrictions to new table * -- Andrew Garrett, January 2007. */ protected function doRestrictionsUpdate() { if ( $this->db->tableExists( 'page_restrictions', __METHOD__ ) ) { $this->output( "...page_restrictions table already exists.\n" ); return; } $this->applyPatch( 'patch-page_restrictions.sql', false, "Creating page_restrictions table (1/2)" ); $this->applyPatch( 'patch-page_restrictions_sortkey.sql', false, "Creating page_restrictions table (2/2)" ); $this->output( "done.\n" ); $this->output( "Migrating old restrictions to new table...\n" ); $task = $this->maintenance->runChild( 'UpdateRestrictions' ); $task->execute(); } protected function doCategorylinksIndicesUpdate() { if ( !$this->indexHasField( 'categorylinks', 'cl_sortkey', 'cl_from' ) ) { $this->applyPatch( 'patch-categorylinksindex.sql', false, "Updating categorylinks Indices" ); } } protected function doCategoryPopulation() { if ( $this->updateRowExists( 'populate category' ) ) { $this->output( "...category table already populated.\n" ); return; } $this->output( "Populating category table, printing progress markers. " . "For large databases, you\n" . "may want to hit Ctrl-C and do this manually with maintenance/\n" . "populateCategory.php.\n" ); $task = $this->maintenance->runChild( 'PopulateCategory' ); $task->execute(); $this->output( "Done populating category table.\n" ); } protected function doPopulateParentId() { if ( !$this->updateRowExists( 'populate rev_parent_id' ) ) { $this->output( "Populating rev_parent_id fields, printing progress markers. For large\n" . "databases, you may want to hit Ctrl-C and do this manually with\n" . "maintenance/populateParentId.php.\n" ); $task = $this->maintenance->runChild( 'PopulateParentId' ); $task->execute(); } } protected function doEnableProfiling() { global $wgProfileToDatabase; if ( !$this->doTable( 'profiling' ) ) { return true; } if ( $wgProfileToDatabase === true && ! $this->db->tableExists( 'profiling', __METHOD__ ) ) { $this->applyPatch( 'patch-profiling.sql', false, 'Add profiling table' ); } } protected function doMaybeProfilingMemoryUpdate() { if ( !$this->doTable( 'profiling' ) ) { return true; } if ( !$this->db->tableExists( 'profiling', __METHOD__ ) ) { return true; } elseif ( $this->db->fieldExists( 'profiling', 'pf_memory', __METHOD__ ) ) { $this->output( "...profiling table has pf_memory field.\n" ); return true; } return $this->applyPatch( 'patch-profiling-memory.sql', false, "Adding pf_memory field to table profiling" ); } protected function doFilearchiveIndicesUpdate() { $info = $this->db->indexInfo( 'filearchive', 'fa_user_timestamp', __METHOD__ ); if ( !$info ) { $this->applyPatch( 'patch-filearchive-user-index.sql', false, "Updating filearchive indices" ); } return true; } protected function doUniquePlTlIl() { $info = $this->db->indexInfo( 'pagelinks', 'pl_namespace' ); if ( is_array( $info ) && !$info[0]->Non_unique ) { $this->output( "...pl_namespace, tl_namespace, il_to indices are already UNIQUE.\n" ); return true; } if ( $this->skipSchema ) { $this->output( "...skipping schema change (making pl_namespace, tl_namespace and il_to indices UNIQUE).\n" ); return false; } return $this->applyPatch( 'patch-pl-tl-il-unique.sql', false, "Making pl_namespace, tl_namespace and il_to indices UNIQUE" ); } protected function renameEuWikiId() { if ( $this->db->fieldExists( 'external_user', 'eu_local_id', __METHOD__ ) ) { $this->output( "...eu_wiki_id already renamed to eu_local_id.\n" ); return; } $this->applyPatch( 'patch-eu_local_id.sql', false, "Renaming eu_wiki_id -> eu_local_id" ); } protected function doUpdateMimeMinorField() { if ( $this->updateRowExists( 'mime_minor_length' ) ) { $this->output( "...*_mime_minor fields are already long enough.\n" ); return; } $this->applyPatch( 'patch-mime_minor_length.sql', false, "Altering all *_mime_minor fields to 100 bytes in size" ); } protected function doClFieldsUpdate() { if ( $this->updateRowExists( 'cl_fields_update' ) ) { $this->output( "...categorylinks up-to-date.\n" ); return; } $this->applyPatch( 'patch-categorylinks-better-collation2.sql', false, 'Updating categorylinks (again)' ); } protected function doLangLinksLengthUpdate() { $langlinks = $this->db->tableName( 'langlinks' ); $res = $this->db->query( "SHOW COLUMNS FROM $langlinks LIKE 'll_lang'" ); $row = $this->db->fetchObject( $res ); if ( $row && $row->Type == "varbinary(10)" ) { $this->applyPatch( 'patch-langlinks-ll_lang-20.sql', false, 'Updating length of ll_lang in langlinks' ); } else { $this->output( "...ll_lang is up-to-date.\n" ); } } protected function doUserNewTalkTimestampNotNull() { if ( !$this->doTable( 'user_newtalk' ) ) { return true; } $info = $this->db->fieldInfo( 'user_newtalk', 'user_last_timestamp' ); if ( $info === false ) { return; } if ( $info->isNullable() ) { $this->output( "...user_last_timestamp is already nullable.\n" ); return; } $this->applyPatch( 'patch-user-newtalk-timestamp-null.sql', false, "Making user_last_timestamp nullable" ); } }