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https://issues.apache.org/jira/browse/HIVE-19239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456576#comment-16456576
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slim bouguerra commented on HIVE-19239:
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[~ashutoshc] sorry missed that.
Yes there is two cases:
first one if we use an extraction function or virtual column projection that
can return null or with the new added grouping sets feature this will become
true.
Here is the discussion thread.
[https://github.com/druid-io/druid/pull/5659]
> Check for possible null timestamp fields during SerDe from Druid events
> -----------------------------------------------------------------------
>
> Key: HIVE-19239
> URL: https://issues.apache.org/jira/browse/HIVE-19239
> Project: Hive
> Issue Type: Bug
> Reporter: slim bouguerra
> Assignee: slim bouguerra
> Priority: Major
> Attachments: HIVE-19239.patch
>
>
> Currently we do not check for possible null timestamp events.
> This might lead to NPE.
> This Patch add addition check for such case.
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