Szehon Ho created HIVE-8911:
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Summary: Enable mapjoin hints
Key: HIVE-8911
URL: https://issues.apache.org/jira/browse/HIVE-8911
Project: Hive
Issue Type: Sub-task
Components: Spark
Affects Versions: spark-branch
Reporter: Szehon Ho
Currently the big table selection in a mapjoin is based on stats.
We should also enable the big-table selection based on hints. See class
MapJoinProcessor. This is a logical-optimizer class, so we should be able to
re-use this without too many changes to hook up with SparkMapJoinResolver.
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