/**
* Deletes all documents matching the filter.
*
* @see DeleteMany::__construct() for supported options
* @see http://docs.mongodb.org/manual/reference/command/delete/
*
* @param array|object $filter Query by which to delete documents
* @param array $options Command options
*
* @return DeleteResult
*/
public function deleteMany($filter, array $options = [])
{
if (!isset($options['writeConcern'])) {
$options['writeConcern'] = $this->writeConcern;
}
$operation = new DeleteMany($this->databaseName, $this->collectionName, $filter, $options);
$server = $this->manager->selectServer(new ReadPreference(ReadPreference::RP_PRIMARY));
return $operation->execute($server);
}
