public function setKeyspace($keyspace)
{
$this->keyspace = $keyspace;
if ($this->connection->isConnected()) {
$response = $this->connection->sendRequest(RequestFactory::query("USE {$this->keyspace};", ConsistencyEnum::CONSISTENCY_QUORUM));
if ($response->getType() === OpcodeEnum::ERROR) {
throw new CassandraException($response->getData());
}
}
}