GitHub user bbonnin opened a pull request:

    [ZEPPELIN-1537] Elasticsearch improvement for results of aggregations

    ### What is this PR for?
    The result of an aggregation query returned by the interpreter contains 
only "key" and "doc_count" in case of a multi-buckets aggregations.
    But the result returned by Elasticsearch can contain more data according to 
the query.
    This PR is an improvement of the result returned by the interpreter.
    ### What type of PR is it?
    ### Todos
    * [X] - Dev of the improvement in the interpreter
    * [X] - Add a test case 
    ### What is the Jira issue?
    ### How should this be tested?
    In a paragraph, enter a query with multiple aggregations:
    search /logs { "aggs" : { 
                "length" : { "terms": { "field": "status" }, 
                "aggs" : { "sum_length" : { "sum" : { "field" : 
"content_length" } } } } }
    ### Screenshots (if appropriate)
    ### Questions:
    * Does the licenses files need update? No
    * Is there breaking changes for older versions? No
    * Does this needs documentation? No

You can merge this pull request into a Git repository by running:

    $ git pull master

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1508
commit a0a7bb9f3773340b9916f650fcbee5af8178fc21
Author: Bruno Bonnin <>
Date:   2016-10-12T21:20:25Z

    Elasticsearch improvement for results of aggregations


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