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https://issues.apache.org/jira/browse/TAJO-770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keuntae Park updated TAJO-770:
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Attachment: TAJO-770.patch
I've uploaded the bug fix
- Parameter type descriptions of CoalesceLong(), CoalesceDouble(), and
CoalesceString() are fixed to accept single argument.
- It adds test cases in TestConditionalExpressions.java.
> Coalesce() should support one argument case
> -------------------------------------------
>
> Key: TAJO-770
> URL: https://issues.apache.org/jira/browse/TAJO-770
> Project: Tajo
> Issue Type: Bug
> Reporter: Keuntae Park
> Assignee: Keuntae Park
> Priority: Trivial
> Attachments: TAJO-770.patch
>
>
> As mentioned in the comment of TAJO-746,
> current coalesce() function cannot handle one argument case.
> For example, coalesce('a') results in NoSuchFunctionException.
> Even though this usage case is very rare, it should be fixed.
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