Menu
Amazon EMR
Developer Guide

Impala User-Defined Functions

Impala supports user defined functions (UDFs) written in Java or C++. In addition, you can modify UDFs or user-defined aggregate functions created for Hive for use with Impala. For more information about Hive UDFs, go to https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF.