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https://issues.apache.org/jira/browse/PIG-3014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507750#comment-13507750
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Julien Le Dem commented on PIG-3014:
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I think it's better to have one test class per UDF.
Usually tests are grouped per class or functional group of classes.
All builtin UDFs do not make a functional group as they have various different
purposes. It just makes a huge Test class which is undesirable.
> CurrentTime() UDF has undesirable characteristics
> -------------------------------------------------
>
> Key: PIG-3014
> URL: https://issues.apache.org/jira/browse/PIG-3014
> Project: Pig
> Issue Type: Bug
> Reporter: Jonathan Coveney
> Assignee: Jonathan Coveney
> Fix For: 0.12
>
> Attachments: PIG-3014-0.patch, PIG-3014-1.patch, PIG-3014-2.patch,
> PIG-3014-3.patch
>
>
> As part of the explanation of the new DateTime datatype I noticed that we had
> added a CurrentTime() UDF. The issue with this UDF is that it returns the
> current time _of every exec invocation_, which can lead to confusing results.
> In PIG-1431 I proposed a way such that every instance of the same NOW() will
> return the same time, which I think is better. Would enjoy thoughts.
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