Pei-Lun Lee created SPARK-3947:
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Summary: [Spark SQL] UDAF Support
Key: SPARK-3947
URL: https://issues.apache.org/jira/browse/SPARK-3947
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Pei-Lun Lee
Right now only Hive UDAFs are supported. It would be nice to have UDAF similar
to UDF through SQLContext.registerFunction.
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