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https://issues.apache.org/jira/browse/HIVE-2602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13169978#comment-13169978
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Namit Jain commented on HIVE-2602:
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1. make the tests deterministic. Add a order by when you are selecting 5 rows
(limit 5)
2. Throw a semantic error for 'if not exists' for dynamic partitions - it might
be confusing to document this
behavior for dynamic partitions, so let us now allow it.
> add support for insert partition overwrite(...) if not exists
> -------------------------------------------------------------
>
> Key: HIVE-2602
> URL: https://issues.apache.org/jira/browse/HIVE-2602
> Project: Hive
> Issue Type: New Feature
> Reporter: Namit Jain
> Assignee: Chinna Rao Lalam
> Attachments: HIVE-2602.1.patch, HIVE-2602.2.patch,
> HIVE-2602.D579.1.patch, HIVE-2602.D879.1.patch, HIVE-2602.patch
>
>
> INSERT OVERWRITE TABLE X PARTITION (a=b, c=d) IF NOT EXISTS ...
> The partition should be created and written if and only if it's not there
> already.
> The support can be added for dynamic partitions in the future, but this jira
> is for adding this support for static partitions.
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