Pig does not have access to Hive’s metastore to locate default functions, so you will have to use the full class name.
Alan. > On Apr 13, 2016, at 01:51, Siddhi Mehta <sm26...@gmail.com> wrote: > > Hey Guys, > > I have created a custom Hive UDF and have registered it as a permanent > function using > > CREATE FUNCTION myfunc AS 'com.package.mycustomfunc' USING JAR > 'applog-udf.jar', FILE 'distributedcachedir; > > > I want to make use of the same hive udf in pig as per jira PIG-3294 > <https://issues.apache.org/jira/browse/PIG-3294>. > > > I am able to successfully use the udf if I define it using the full class > name > > define myfunc HiveUDF('com.package.mycustomfunc'); > > > My assumption was that custom UDF's can also be defined using the > functionName/alias rather than the classname. > > > When I try to do the same I keep getting errors since it cannot resolve the > udf name using builtins > > > define myfunc HiveUDF('default.myfunc'); > > > Is this assumption correct or do custom hive udf's need to be referenced > via their full class name > > --Siddhi
