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https://issues.apache.org/jira/browse/HIVE-4873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuefu Zhang updated HIVE-4873:
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Attachment: HIVE-4873.patch
> Sort candidate functions in case of UDFArgumentException
> --------------------------------------------------------
>
> Key: HIVE-4873
> URL: https://issues.apache.org/jira/browse/HIVE-4873
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Priority: Minor
> Attachments: HIVE-4873.patch
>
>
> When Hive provides a list of candidate functions in case of
> UDFArgumentException such as for the following query:
> {code}
> create table tbl (a binary);
> select cast (a as tinyint) from tbl limit 1;
> {code}
> the list is not sorted, so the output is not deterministic. Also, we have
> many test cases depending on the ordering. Thus, it's good to sort the list
> before emitting it.
> This should fixes quite a few test case failures when Hive runs in JDK7.
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