Ravindra Pesala created SPARK-4648:
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Summary: Use available Coalesce function in HiveQL instead of
using HiveUDF. And support Coalesce in Spark SQL.
Key: SPARK-4648
URL: https://issues.apache.org/jira/browse/SPARK-4648
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.1.0
Reporter: Ravindra Pesala
Currently HiveQL uses Hive UDF function for Coalesce. Usually using hive udfs
are memory intensive. Since Coalesce function is already available in Spark ,
we can make use of it.
And also support Coalesce function in Spar SQL
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