Writing a Hive UDF for lookups


Let's use a Hive UDF to perform lookups against resources residing in the Hadoop file system (HDFS) which allows non-equi joins.

In today’s blog I am going to take a look at a fairly mundane and unspectacular use of a Hive UDF (user-defined function), that of performing lookups against re

Writing a Hive UDF for lookups2021-02-10T09:11:10+00:00

Hive UDFs and UDAFs with Python


In this post we focus on how to write sophisticated User Defined (Aggregated) Functions (UD(A)Fs) for Apache Hive in Python.

Sometimes the analytical power of built-in Hive functions is just not enough. In this case it is possible to write hand-tailored User-Defined Functions (UDFs) for tra

Hive UDFs and UDAFs with Python2021-02-10T09:11:22+00:00