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https://issues.apache.org/jira/browse/HIVE-3378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14488228#comment-14488228
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Swarnim Kulkarni commented on HIVE-3378:
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[~apivovarov] Left a few comments on the review. In my opinion, the
implementation feels a little complicated. First of all, may be I am missing
something, but why do we need to extend a GenericUDF and not a simple UDF?
Can't we have an implementation similar to the dayofmonth[1]?
[1]
https://github.com/cloudera/hive/blob/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFDayOfMonth.java
> UDF to obtain the numeric day of an year from date or timestamp in
> HIVE.
> ----------------------------------------------------------------------------
>
> Key: HIVE-3378
> URL: https://issues.apache.org/jira/browse/HIVE-3378
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Affects Versions: 0.8.1, 0.9.0
> Reporter: Deepti Antony
> Assignee: Alexander Pivovarov
> Attachments: HIVE-3378.02.patch, HIVE-3378.02.patch,
> HIVE-3378.1.patch.txt
>
>
> Hive current releases lacks a function which returns the numeric day of an
> year if a date or timestamp is given .The function DAYOFYEAR(date) would
> return the numeric day from a date / timestamp or which would be useful
> while using HiveQL.DAYOFYEAR can be used to compare data with respect to
> number of days till the given date.It can be used in different domains.
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