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https://issues.apache.org/jira/browse/HIVE-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736157#action_12736157
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Namit Jain commented on HIVE-700:
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I dont think we should allow DROP FUNCTION - we should only support
DROP TEMPORARY FUNCTION - this cannot drop the functions that were not added
temporarily.
If not already there, FunctionRegistry needs to be enhanced to store the fact
whether a function is temporary or not.
Also,
1. Can you add a negative test which tries to drop a permanent function and
fails.
2. Can you change the existing tests with a 'create temporary function' to have
a 'drop temporary function' at the end ?
> Fix test error by adding "DROP FUNCTION"
> ----------------------------------------
>
> Key: HIVE-700
> URL: https://issues.apache.org/jira/browse/HIVE-700
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Zheng Shao
> Assignee: Min Zhou
> Attachments: HIVE-700.1.patch
>
>
> Since we added "Show Functions" in HIVE-580, test results will depend on what
> temporary functions are added to the system.
> We should add the capability of "DROP FUNCTION", and do that at the end of
> those "create function" tests to make sure the "show functions" results are
> deterministic.
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