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Posted to issues-all@impala.apache.org by "Pranay Singh (JIRA)" <ji...@apache.org> on 2018/08/17 22:34:00 UTC
[jira] [Work started] (IMPALA-5973) Provide query plan in JSON
format
[ https://issues.apache.org/jira/browse/IMPALA-5973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on IMPALA-5973 started by Pranay Singh.
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> Provide query plan in JSON format
> ---------------------------------
>
> Key: IMPALA-5973
> URL: https://issues.apache.org/jira/browse/IMPALA-5973
> Project: IMPALA
> Issue Type: New Feature
> Components: Frontend
> Affects Versions: Impala 2.10.0
> Reporter: Alexander Behm
> Assignee: Pranay Singh
> Priority: Major
> Labels: planner
>
> Today there is only a text representation of the query plan, but it would be useful to have a JSON version for portability and machine consumption.
> To control whether EXPLAIN should produce a text or JSON output we could augment the EXPLAIN syntax or we could introduce a query option. It's worth discussing which one makes more sense.
> To avoid maintaining two code paths for explain (TEXT and JSON), I recommend that internally our code should always generate the JSON plan, and then have a function that can convert the JSON plan to the conventional textual representation.
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