presto-kafka/src/main/java/io/prestosql/plugin/kafka/KafkaTableHandle.java/KafkaTableHandle/hashCode
class KafkaTableHandle:    @Override
    public int hashCode()
    {
        return Objects.hash(schemaName, tableName, topicName, keyDataFormat, messageDataFormat, keyDataSchemaLocation, messageDataSchemaLocation);
    }