Thank you for your answer and your hint regarding the user-mailing list.
I already got an answer via datastax forum
(https://community.datastax.com/questions/3804/using-a-user-defined-type-in-user-defined-aggregat.html).
On 2020/05/04 08:49:16, Benjamin Lerer wrote:
> Hi Andrea,>
>
> Question
Hi Andrea,
Question 1) When I call the aggregate, I would like to pass sample_size
> with a sub-query, e.g.
> ==> "SELECT bloomfilter_uda(name, (SELECT count(*) FROM test_table))
> FROM test_table;" <==
>
Is that possible with Cassandra?
Sub queries are not supported by Cassandra.
Question 2) W