Bharath Vissapragada has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9614 )

Change subject: DRAFT IMPALA-5973: Provide  query plan in JSON format.
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Patch Set 1:

- High-level comment: It seems kind of redundant that we build the explain 
string and Map at the same time for every getExplainString*(). Maybe we should 
have an intermediate state that we can convert to both text-plan and JSON 
depending on the caller.  Seems like Map would be the obvious choice (guava has 
helper methods to build the explain string from Map) and obviously we can build 
a JSON string.

- Please add a web endpoint for the json profile (something like 
query_profile?json) to make it easy to consume and write e-e tests.

Alex, does the approach sound ok, or do you think it can be done in any better 
way?


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I7429ac1e93a9c524233383cafd387056fcf2542d
Gerrit-Change-Number: 9614
Gerrit-PatchSet: 1
Gerrit-Owner: Pranay Singh
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Comment-Date: Wed, 14 Mar 2018 16:31:34 +0000
Gerrit-HasComments: No

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