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https://issues.apache.org/jira/browse/HIVE-13887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15681553#comment-15681553
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Sergio Peña commented on HIVE-13887:
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I'm moving this JIRA out of 2.1.1 release as it is not a blocker nor critical
for a 2.1.1 RC version. Feel free to commit it to branch 2.1 if the patch is
ready before the release.
> LazySimpleSerDe should parse "NULL" dates faster
> ------------------------------------------------
>
> Key: HIVE-13887
> URL: https://issues.apache.org/jira/browse/HIVE-13887
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers, Vectorization
> Affects Versions: 2.1.0
> Reporter: Gopal V
> Assignee: Gopal V
> Labels: Performance
> Fix For: 2.2.0
>
> Attachments: HIVE-13887.1.patch, HIVE-13887.1.patch
>
>
> Date string which contain "NULL" or "(null)" are being parsed through a very
> slow codepath involving exception handling as a normal codepath.
> These are currently ~4x slower than parsing an actual date field.
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