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https://issues.apache.org/jira/browse/HIVE-7203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026804#comment-14026804
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Gunther Hagleitner commented on HIVE-7203:
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+1
[~ashutoshc] can you confirm my understanding though: This works only for outer
queries (common case), and it will retain the final schema (eg.: jdbc) because
the fetch task is set up accordingly.
> Optimize limit 0
> ----------------
>
> Key: HIVE-7203
> URL: https://issues.apache.org/jira/browse/HIVE-7203
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-7203.1.patch, HIVE-7203.patch
>
>
> Some tools generate queries with limit 0. Lets optimize that.
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