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From Jim Apple <jbap...@cloudera.com>
Subject Re: Java UDFs returning NULL difference between 2.7.0 and 2.8.0
Date Thu, 29 Jun 2017 14:02:12 GMT
https://issues.apache.org/jira/browse/IMPALA-5580

On Thu, Jun 29, 2017 at 6:50 AM, Antoni Ivanov <aivanov@vmware.com> wrote:

> Hi,
>
>
>
> We just upgraded from CDH 5.9 (Impala 2.7.0) to latest (CDH 5.11.1 Impala
> 2.8.0)
>
> We also have custom Java (Hive) UDFs used in Impala.
>
>
>
> Before: select custom_udf_func(NULL) – returned *NULL* in the Java code –
> when executed by Impala it also returned *NULL*
>
>
>
> NOW: select custom_udf_func(NULL) – returns *NULL* in the Java  code –
> when executed by Impala it returns *empty string (“”)*
>
>
>
> Is that a bug in Impala (or maybe Hive) you are aware of?
>
>
>
> Thanks,
>
> Antoni
>
>
>
> We deliver the VMware Analytics Cloud (VAC)
> Learn more about VAC here <https://wiki.eng.vmware.com/VAC>
>
>
>

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