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The following page has been changed by JeffHammerbacher: http://wiki.apache.org/hadoop/Hive/DeveloperGuide ------------------------------------------------------------------------------ == Pluggable interfaces == === SerDe - how to add a new SerDe === === UDFs and UDAFs - how to add new UDFs and UDAFs === + * For the UDF named "myudf", do the following: + * First, add the code that implements the UDF under ql/src/java/org/apache/hadoop/hive/ql/udf/UDFMyudf.java + * Second, register your UDF at java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
