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https://issues.apache.org/jira/browse/HIVE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580989#comment-13580989
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Arun A K commented on HIVE-3850:
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Hello [~analog.sony],
But my query was that how different is the new patch? Is that it carries the
test cases? I have seen that you have added the testcase carriying the
typecasted time in the query that was missing in the initial q file that
[~710154] had added. I guess you have misunderstood my initial question. And
even now the review has not yet come up. Do you think a review request need to
be raised across the new patch?
> hour() function returns 12 hour clock value when using timestamp datatype
> -------------------------------------------------------------------------
>
> Key: HIVE-3850
> URL: https://issues.apache.org/jira/browse/HIVE-3850
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 0.9.0, 0.10.0
> Reporter: Pieterjan Vriends
> Fix For: 0.11.0
>
> Attachments: hive-3850.patch, HIVE-3850.patch.txt
>
>
> Apparently UDFHour.java does have two evaluate() functions. One that does
> accept a Text object as parameter and one that does use a TimeStampWritable
> object as parameter. The first function does return the value of
> Calendar.HOUR_OF_DAY and the second one of Calendar.HOUR. In the
> documentation I couldn't find any information on the overload of the
> evaluation function. I did spent quite some time finding out why my statement
> didn't return a 24 hour clock value.
> Shouldn't both functions return the same?
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