Chengxiang Li created HIVE-10844:
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Summary: Combine equivalent Works for HoS[Spark Branch]
Key: HIVE-10844
URL: https://issues.apache.org/jira/browse/HIVE-10844
Project: Hive
Issue Type: Sub-task
Components: Spark
Reporter: Chengxiang Li
Assignee: Chengxiang Li
Some Hive queries(like [TPCDS
Q39|https://github.com/hortonworks/hive-testbench/blob/hive14/sample-queries-tpcds/query39.sql])
may share the same subquery, which translated into sperate, but equivalent
Works in SparkWork, combining these equivalent Works into a single one would
help to benifit from following dynamic RDD caching optimization.
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