https://issues.apache.org/jira/browse/IMPALA-5580
On Thu, Jun 29, 2017 at 6:50 AM, Antoni Ivanov <[email protected]> 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> > > >
