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https://issues.apache.org/jira/browse/HIVE-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729322#action_12729322
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Namit Jain commented on HIVE-555:
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The tests fail right now.
In the new test create_udaf.q, you need to drop the temporary function test_max.
But a new bug got exposed, if there are two functions pointing to the same
class (max and test_max) in this case, the resolver might point to one function
even though
another one is referenced. I will test it out separately, and file a jira for
that if needed.
Anyway, as this patch stands, all tests after create_udaf.q which reference
max, get an error because explain plan shows test_max instead.
> create temporary function support not only udf, but also udaf, genericudf,
> etc.
> --------------------------------------------------------------------------------
>
> Key: HIVE-555
> URL: https://issues.apache.org/jira/browse/HIVE-555
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 0.4.0
> Reporter: Min Zhou
> Assignee: Min Zhou
> Fix For: 0.4.0
>
> Attachments: HIVE-555-1.patch, HIVE-555-2.patch, HIVE-555-3.patch
>
>
> Right now, command 'create temporary function' only support udf.
> we can also let user write their udaf, generic udf, and write generic udaf in
> the future.
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