datamanager.php

См. документацию.

<?php
 
namespace Bitrix\Main\Access\Entity;
 
use Bitrix\Main\ORM\Query\Query;
use Bitrix\Main\ORM\Data;
 
class DataManager extends Data\DataManager
{
    public static function deleteList(array $filter)
    {
        $entity = static::getEntity();
        $connection = $entity->getConnection();
 
        return $connection->query(sprintf(
            'DELETE FROM %s WHERE %s',
            $connection->getSqlHelper()->quote($entity->getDbTableName()),
            Query::buildFilterSql($entity, $filter)
        ));
    }
    public static function deleteList(array $filter) {…}
}
class DataManager extends Data\DataManager {…};