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https://issues.apache.org/jira/browse/HIVE-996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797361#action_12797361
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Carl Steinbach commented on HIVE-996:
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@Namit: working on it now.
> "describe function" throws NPE when when called on UDTF or UDAF
> ---------------------------------------------------------------
>
> Key: HIVE-996
> URL: https://issues.apache.org/jira/browse/HIVE-996
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Carl Steinbach
> Assignee: Carl Steinbach
> Fix For: 0.5.0
>
> Attachments: HIVE-996.patch
>
>
> {noformat}
> hive> describe function explode;
> describe function explode;
> FAILED: Error in metadata: java.lang.NullPointerException
> FAILED: Execution Error, return code 1 from
> org.apache.hadoop.hive.ql.exec.DDLTask
> hive> describe function sum;
> describe function sum;
> FAILED: Error in metadata: java.lang.NullPointerException
> FAILED: Execution Error, return code 1 from
> org.apache.hadoop.hive.ql.exec.DDLTask
> hive> describe function conv;
> describe function conv;
> OK
> conv(num, from_base, to_base) - convert num from from_base to to_base
> Time taken: 0.042 seconds
> {noformat}
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