Nested aggregation in Kibana visualization

[Sandy381]

Need nested aggregation feature in kibana visualization

Details: Let's say there is database called fruits.There are value counts of oranges & apples for every user.

So here is table:

user 1: Apples -3 , oranges - 5
user 2: Apples -3 , oranges - 6
user 3: Apples -5 , oranges - 5

Now if I want to know how many users are having 3 apples , the answer is 2 users.

This is dynamic value & always changing.

I can use nested aggregation query only in elasticsearch.

It will be helpful if we can have nested aggregation atleast in data table visualizationin metric - nested count of (count) or similar way.

[jsanz]

Duplicate of #1084