diff options
Diffstat (limited to 'maintenance/populateContentModel.php')
| -rw-r--r-- | maintenance/populateContentModel.php | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/maintenance/populateContentModel.php b/maintenance/populateContentModel.php new file mode 100644 index 00000000..3f5d6b69 --- /dev/null +++ b/maintenance/populateContentModel.php @@ -0,0 +1,207 @@ +<?php +/** + * Populate the page_content_model and {rev,ar}_content_{model,format} fields. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup Maintenance + */ + +require_once __DIR__ . '/Maintenance.php'; + +/** + * Usage: + * populateContentModel.php --ns=1 --table=page + */ +class PopulateContentModel extends Maintenance { + public function __construct() { + parent::__construct(); + $this->mDescription = 'Populate the various content_* fields'; + $this->addOption( 'ns', 'Namespace to run in, or "all" for all namespaces', true, true ); + $this->addOption( 'table', 'Table to run in', true, true ); + $this->setBatchSize( 100 ); + } + + public function execute() { + $dbw = wfGetDB( DB_MASTER ); + $ns = $this->getOption( 'ns' ); + if ( !ctype_digit( $ns ) && $ns !== 'all' ) { + $this->error( 'Invalid namespace', 1 ); + } + $ns = $ns === 'all' ? 'all' : (int)$ns; + $table = $this->getOption( 'table' ); + switch ( $table ) { + case 'revision': + case 'archive': + $this->populateRevisionOrArchive( $dbw, $table, $ns ); + break; + case 'page': + $this->populatePage( $dbw, $ns ); + break; + default: + $this->error( "Invalid table name: $table", 1 ); + } + } + + private function updatePageRows( DatabaseBase $dbw, $pageIds, $model ) { + $count = count( $pageIds ); + $this->output( "Setting $count rows to $model..." ); + $dbw->update( + 'page', + array( 'page_content_model' => $model ), + array( 'page_id' => $pageIds ), + __METHOD__ + ); + wfWaitForSlaves(); + $this->output( "done.\n" ); + } + + protected function populatePage( DatabaseBase $dbw, $ns ) { + $toSave = array(); + $lastId = 0; + $nsCondition = $ns === 'all' ? array() : array( 'page_namespace' => $ns ); + do { + $rows = $dbw->select( + 'page', + array( 'page_namespace', 'page_title', 'page_id' ), + array( + 'page_content_model' => null, + 'page_id > ' . $dbw->addQuotes( $lastId ), + ) + $nsCondition, + __METHOD__, + array( 'LIMIT' => $this->mBatchSize, 'ORDER BY' => 'page_id ASC' ) + ); + $this->output( "Fetched {$rows->numRows()} rows.\n" ); + foreach ( $rows as $row ) { + $title = Title::newFromRow( $row ); + $model = ContentHandler::getDefaultModelFor( $title ); + $toSave[$model][] = $row->page_id; + if ( count( $toSave[$model] ) >= $this->mBatchSize ) { + $this->updatePageRows( $dbw, $toSave[$model], $model ); + unset( $toSave[$model] ); + } + $lastId = $row->page_id; + } + } while ( $rows->numRows() >= $this->mBatchSize ); + foreach ( $toSave as $model => $pages ) { + $this->updatePageRows( $dbw, $pages, $model ); + } + } + + private function updateRevisionOrArchiveRows( DatabaseBase $dbw, $ids, $model, $table ) { + $prefix = $table === 'archive' ? 'ar' : 'rev'; + $model_column = "{$prefix}_content_model"; + $format_column = "{$prefix}_content_format"; + $key = "{$prefix}_id"; + + $count = count( $ids ); + $format = ContentHandler::getForModelID( $model )->getDefaultFormat(); + $this->output( "Setting $count rows to $model / $format..." ); + $dbw->update( + $table, + array( $model_column => $model, $format_column => $format ), + array( $key => $ids ), + __METHOD__ + ); + $this->output( "done.\n" ); + } + + protected function populateRevisionOrArchive( DatabaseBase $dbw, $table, $ns ) { + $prefix = $table === 'archive' ? 'ar' : 'rev'; + $model_column = "{$prefix}_content_model"; + $format_column = "{$prefix}_content_format"; + $key = "{$prefix}_id"; + if ( $table === 'archive' ) { + $selectTables = 'archive'; + $fields = array( 'ar_namespace', 'ar_title' ); + $join_conds = array(); + $where = $ns === 'all' ? array() : array( 'ar_namespace' => $ns ); + } else { // revision + $selectTables = array( 'revision', 'page' ); + $fields = array( 'page_title', 'page_namespace' ); + $join_conds = array( 'page' => array( 'INNER JOIN', 'rev_page=page_id' ) ); + $where = $ns === 'all' ? array() : array( 'page_namespace' => $ns ); + } + + $toSave = array(); + $lastId = 0; + do { + $rows = $dbw->select( + $selectTables, + array_merge( $fields, array( $model_column, $format_column, $key ) ), + // @todo support populating format if model is already set + array( + $model_column => null, + "$key > " . $dbw->addQuotes( $lastId ), + ) + $where, + __METHOD__, + array( 'LIMIT' => $this->mBatchSize, 'ORDER BY' => "$key ASC" ), + $join_conds + ); + $this->output( "Fetched {$rows->numRows()} rows.\n" ); + foreach ( $rows as $row ) { + if ( $table === 'archive' ) { + $title = Title::makeTitle( $row->ar_namespace, $row->ar_title ); + } else { + $title = Title::newFromRow( $row ); + } + $lastId = $row->{$key}; + try { + $handler = ContentHandler::getForTitle( $title ); + } catch ( MWException $e ) { + $this->error( "Invalid content model for $title" ); + continue; + } + $defaultModel = $handler->getModelID(); + $defaultFormat = $handler->getDefaultFormat(); + $dbModel = $row->{$model_column}; + $dbFormat = $row->{$format_column}; + $id = $row->{$key}; + if ( $dbModel === null && $dbFormat === null ) { + // Set the defaults + $toSave[$defaultModel][] = $row->{$key}; + } else { // $dbModel === null, $dbFormat set. + if ( $dbFormat === $defaultFormat ) { + $toSave[$defaultModel][] = $row->{$key}; + } else { // non-default format, just update now + $this->output( "Updating model to match format for $table $id of $title... "); + $dbw->update( + $table, + array( $model_column => $defaultModel ), + array( $key => $id ), + __METHOD__ + ); + wfWaitForSlaves(); + $this->output( "done.\n" ); + continue; + } + } + + if ( count( $toSave[$defaultModel] ) >= $this->mBatchSize ) { + $this->updateRevisionOrArchiveRows( $dbw, $toSave[$defaultModel], $defaultModel, $table ); + unset( $toSave[$defaultModel] ); + } + } + } while ( $rows->numRows() >= $this->mBatchSize ); + foreach ( $toSave as $model => $ids ) { + $this->updateRevisionOrArchiveRows( $dbw, $ids, $model, $table ); + } + } +} + +$maintClass = 'PopulateContentModel'; +require_once RUN_MAINTENANCE_IF_MAIN; |