Non flatten field path for results

Elastic Stack Elasticsearch
1

Hi,

I found that sometimes the field path in query results are flatten, like:

{'a.b': 'my_result'}

In fact this happens if 'b' is the only required field under 'a'.

However I need to do some post processing on query results and I hope they
can be in a consistent format.
So I'd like to know is there's a way to force the query result in a nested
way? Like:

{'a': {'b': 'my_result'}}

Thanks!

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2

You can use source filtering for this:

http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-source-filtering.html

Example:

_search
{
"_source": [ "a.b" ]
}

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