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<?php
/**
* 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
*/
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
/**
* Remove autopatrol logs in the logging table.
*
* @ingroup Maintenance
*/
class DeleteAutoPatrolLogs extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Remove autopatrol logs in the logging table' );
$this->addOption( 'dry-run', 'Print debug info instead of actually deleting' );
$this->addOption(
'check-old',
'Check old patrol logs (for deleting old format autopatrols).'
);
$this->addOption(
'before',
'Timestamp to delete only before that time, all MediaWiki timestamp formats are accepted',
false,
true
);
$this->addOption(
'from-id',
'First row (log id) to start updating from',
false,
true
);
$this->addOption(
'sleep',
'Sleep time (in seconds) between every batch',
false,
true
);
$this->setBatchSize( 1000 );
}
public function execute() {
$this->setBatchSize( $this->getOption( 'batch-size', $this->getBatchSize() ) );
$sleep = (int)$this->getOption( 'sleep', 10 );
$fromId = $this->getOption( 'from-id', null );
$this->countDown( 5 );
while ( true ) {
if ( $this->hasOption( 'check-old' ) ) {
$rowsData = $this->getRowsOld( $fromId );
// We reached end of the table
if ( !$rowsData ) {
break;
}
$rows = $rowsData['rows'];
$fromId = $rowsData['lastId'];
// There is nothing to delete in this batch
if ( !$rows ) {
continue;
}
} else {
$rows = $this->getRows( $fromId );
if ( !$rows ) {
break;
}
$fromId = end( $rows );
}
if ( $this->hasOption( 'dry-run' ) ) {
$this->output( 'These rows will get deleted: ' . implode( ', ', $rows ) . "\n" );
} else {
$this->deleteRows( $rows );
$this->output( 'Processed up to row id ' . end( $rows ) . "\n" );
}
if ( $sleep > 0 ) {
sleep( $sleep );
}
}
}
private function getRows( $fromId ) {
$dbr = $this->getReplicaDB();
$before = $this->getOption( 'before', false );
$conds = [
'log_type' => 'patrol',
'log_action' => 'autopatrol',
];
if ( $fromId ) {
$conds[] = $dbr->expr( 'log_id', '>', $fromId );
}
if ( $before ) {
$conds[] = $dbr->expr( 'log_timestamp', '<', $dbr->timestamp( $before ) );
}
return $dbr->newSelectQueryBuilder()
->select( 'log_id' )
->from( 'logging' )
->where( $conds )
->orderBy( 'log_id' )
->limit( $this->getBatchSize() )
->caller( __METHOD__ )
->fetchFieldValues();
}
private function getRowsOld( $fromId ) {
$dbr = $this->getReplicaDB();
$batchSize = $this->getBatchSize();
$before = $this->getOption( 'before', false );
$conds = [
'log_type' => 'patrol',
'log_action' => 'patrol',
];
if ( $fromId ) {
$conds[] = $dbr->expr( 'log_id', '>', $fromId );
}
if ( $before ) {
$conds[] = $dbr->expr( 'log_timestamp', '<', $dbr->timestamp( $before ) );
}
$result = $dbr->newSelectQueryBuilder()
->select( [ 'log_id', 'log_params' ] )
->from( 'logging' )
->where( $conds )
->orderBy( 'log_id' )
->limit( $batchSize )
->caller( __METHOD__ )
->fetchResultSet();
$last = null;
$autopatrols = [];
foreach ( $result as $row ) {
$last = $row->log_id;
$logEntry = DatabaseLogEntry::newFromRow( $row );
$params = $logEntry->getParameters();
if ( !is_array( $params ) ) {
continue;
}
// This logic belongs to PatrolLogFormatter::getMessageKey
// and LogFormatter::extractParameters the 'auto' value is logically presented as key [5].
// For legacy case the logical key is index + 3, meaning [2].
// For the modern case, the logical key is index - 1 meaning [6].
if ( array_key_exists( '6::auto', $params ) ) {
// Between 2011-2016 autopatrol logs
$auto = $params['6::auto'] === true;
} elseif ( $logEntry->isLegacy() === true && array_key_exists( 2, $params ) ) {
// Pre-2011 autopatrol logs
$auto = $params[2] === '1';
} else {
continue;
}
if ( $auto ) {
$autopatrols[] = $row->log_id;
}
}
if ( $last === null ) {
return null;
}
return [ 'rows' => $autopatrols, 'lastId' => $last ];
}
private function deleteRows( array $rows ) {
$dbw = $this->getPrimaryDB();
$dbw->newDeleteQueryBuilder()
->deleteFrom( 'logging' )
->where( [ 'log_id' => $rows ] )
->caller( __METHOD__ )->execute();
$this->waitForReplication();
}
}
// @codeCoverageIgnoreStart
$maintClass = DeleteAutoPatrolLogs::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd
|
