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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11596) nvl(x, y) throws NPE if type x and type y doesn't match, rather than throwing the meaningful error
Date Wed, 19 Aug 2015 19:53:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703642#comment-14703642
] 

Aihua Xu commented on HIVE-11596:
---------------------------------

Updated with new patch. Changed argumentId to be 0-based.

> nvl(x, y) throws NPE if type x and type y doesn't match, rather than throwing the meaningful
error
> --------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-11596
>                 URL: https://issues.apache.org/jira/browse/HIVE-11596
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HIVE-11596.patch
>
>
> {noformat}
> create table test(key string);
> select nvl(key, true) from test;
> {noformat}
> The query above will throw NPE rather than the meaningful error "The first and seconds
arguments of function NLV should have the same type".



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