e7393b3cc7
Why: * Maintenance scripts in core have bolierplate code that is added before and after the class to allow directly running the maintenance script. * Running the maintenance script directly has been deprecated since 1.40, so this boilerplate code is only to support a now deprecated method of running maintenance scripts. * This code cannot also be marked as covered, due to PHPUnit not recognising code coverage for files. * Therefore, it is best to ignore this boilerplate code in code coverage reports as it cannot be marked as covered and also is for deprecated code. What: * Wrap the boilerplate code (requiring Maintenance.php and then later defining the maintenance script class and running if the maintenance script was called directly) with @codeCoverageIgnore comments. * Some files use a different boilerplate code, however, these should also be marked as ignored for coverage for the same reason that coverage is not properly reported for files. Bug: T371167 Change-Id: I32f5c6362dfb354149a48ce9c28da9a7fc494f7c
112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
<?php
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/**
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* Delete revisions which refer to a nonexisting page.
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* Sometimes manual deletion done in a rush leaves crap in the database.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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* @author Rob Church <robchur@gmail.com>
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* @todo More efficient cleanup of text records
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*/
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// @codeCoverageIgnoreStart
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require_once __DIR__ . '/Maintenance.php';
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// @codeCoverageIgnoreEnd
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use Wikimedia\Rdbms\IDatabase;
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/**
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* Maintenance script that deletes revisions which refer to a nonexisting page.
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*
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* @ingroup Maintenance
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*/
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class DeleteOrphanedRevisions extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription(
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'Maintenance script to delete revisions which refer to a nonexisting page' );
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$this->addOption( 'report', 'Prints out a count of affected revisions but doesn\'t delete them' );
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}
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public function execute() {
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$this->output( "Delete Orphaned Revisions\n" );
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$report = $this->hasOption( 'report' );
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$dbw = $this->getPrimaryDB();
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$this->beginTransaction( $dbw, __METHOD__ );
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# Find all the orphaned revisions
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$this->output( "Checking for orphaned revisions..." );
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$res = $dbw->newSelectQueryBuilder()
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->select( 'rev_id' )
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->from( 'revision' )
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->leftJoin( 'page', null, 'rev_page = page_id' )
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->where( [ 'page_namespace' => null ] )
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->caller( 'deleteOrphanedRevisions' )
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->fetchResultSet();
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# Stash 'em all up for deletion (if needed)
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$revisions = [];
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foreach ( $res as $row ) {
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$revisions[] = $row->rev_id;
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}
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$count = count( $revisions );
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$this->output( "found {$count}.\n" );
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# Nothing to do?
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if ( $report || $count == 0 ) {
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$this->commitTransaction( $dbw, __METHOD__ );
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return;
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}
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# Delete each revision
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$this->output( "Deleting..." );
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$this->deleteRevs( $revisions, $dbw );
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$this->output( "done.\n" );
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# Close the transaction and call the script to purge unused text records
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$this->commitTransaction( $dbw, __METHOD__ );
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$this->purgeRedundantText( true );
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}
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/**
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* Delete one or more revisions from the database
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* Do this inside a transaction
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*
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* @param int[] $id Array of revision id values
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* @param IDatabase $dbw Primary DB handle
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*/
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private function deleteRevs( array $id, $dbw ) {
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$dbw->newDeleteQueryBuilder()
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->deleteFrom( 'revision' )
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->where( [ 'rev_id' => $id ] )
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->caller( __METHOD__ )->execute();
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// Delete from ip_changes should a record exist.
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$dbw->newDeleteQueryBuilder()
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->deleteFrom( 'ip_changes' )
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->where( [ 'ipc_rev_id' => $id ] )
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->caller( __METHOD__ )->execute();
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}
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}
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// @codeCoverageIgnoreStart
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$maintClass = DeleteOrphanedRevisions::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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// @codeCoverageIgnoreEnd
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