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https://issues.apache.org/jira/browse/HIVE-2478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183428#comment-13183428
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Phabricator commented on HIVE-2478:
-----------------------------------
ashutoshc has commented on the revision "HIVE-2478 [jira] Support dry run
option in hive".
INLINE COMMENTS
ql/src/java/org/apache/hadoop/hive/ql/Driver.java:479-488 Analysis would be
complete but validation won't. I think when some wants a dryrun till analysis
they want to know that whether query is semantically valid or not and not just
whether semantic analysis phase could be completed successfully.
ql/src/java/org/apache/hadoop/hive/ql/Driver.java:944 Didn't get. How come
Parse, Analyze get here? I was assuming execution returns if dry mode is set to
one of these modes. Also, now that we have agreed to get rid of OFF, this needs
to be modified anyways. If you still plan not to use PLAN, then I think that
should be removed from enum, since else it sounds confusing to me.
ql/src/test/queries/clientnegative/dryrun_bad_fetch_serde.q:1 Try:
-- comment
Note don't put ; at the end of line.
REVISION DETAIL
https://reviews.facebook.net/D927
> Support dry run option in hive
> ------------------------------
>
> Key: HIVE-2478
> URL: https://issues.apache.org/jira/browse/HIVE-2478
> Project: Hive
> Issue Type: Improvement
> Components: Configuration
> Affects Versions: 0.9.0
> Reporter: kalyan ram
> Assignee: Sushanth Sowmyan
> Priority: Minor
> Attachments: HIVE-2478-1.patch, HIVE-2478-2.patch, HIVE-2478-3.patch,
> HIVE-2478.D927.1.patch
>
>
> Hive currently doesn't support a dry run option. For some complex queries we
> just want to verify the query syntax initally before running it. A dry run
> option where just the parsing is done without actual execution is a good
> option.
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