HOw can I get aggregations based on query only and based on filters (post_filter) at the same time

Elastic Stack Elasticsearch
1

Greetings everyoune!

My questions is:
Is there any way to process aggregations depend on filter (bool query or post_filter) and aggregations based on query only?

I.e.
I have a document - product. I have several products in index.
The product structure is:
id
name
categoryId
price.

All I want is to find products by "name" property, then collect information about categories that has the document matches query, then filter them by categoryId (cat1, cat2) then I want to get an information about maximum and minimum product price within the categories (cat1 and cat2)

2

I think you can use the filters aggregation to do this. Still your post
filter in there and the bits that don't match will be in the other
bucket.

3

Can you, please, show me an example? I can use BoolQuery.Should instead of post_filter - this is not principal. The only thing I need is to have an aggs before filtering and after filtering.

4

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