[jira] [Resolved] (CALCITE-6713) NVL2's return data type should be nullable if and only if at least one of the second and third parameters are nullable

[xiong duan (Jira)]

     [ 
https://issues.apache.org/jira/browse/CALCITE-6713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

xiong duan resolved CALCITE-6713.
---------------------------------
    Fix Version/s: 1.39.0
       Resolution: Fixed

> NVL2's return data type should be nullable if and only if at least one of the 
> second and third parameters are nullable
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-6713
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6713
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: xiong duan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.39.0
>
>
> The Expression:
> {code:java}
> nvl2(NULL, 'abc', NULL); {code}
> should return null with a nullable type.



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