You are most likely confused because you are using the UDF using
HiveContext. In your case, you are using Spark UDF, not Hive UDF. For a
naive scenario, I can use spark UDFs without any hive installation in my
cluster.
sqlContext.udf.register is for UDF in spark. Hive UDFs are stored in Hive
and y
Hi everyone
Shall we use UDF defined in hive using spark sql?
I've created a UDF in spark and registered it using
sqlContext.udf.register,but when I restarted a service the UDF was not
available.
I've heared that Hive UDF's are permanently stored in hive.(Please Correct
me if I am wrong).
Thanks
