Matt McCline created HIVE-20370:
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Summary: Vectorization: Add Native Vector MapJoin hash table
optimization for Left/Right Outer Joins when there are no Small Table values
Key: HIVE-20370
URL: https://issues.apache.org/jira/browse/HIVE-20370
Project: Hive
Issue Type: Bug
Components: Hive
Reporter: Matt McCline
Assignee: Matt McCline
Similar to Native Vector MapJoin's InnerBigOnly optimization that uses an
efficient Hash Multi-Set with a counter instead of a Hash Map with an empty
value, do the same for Outer joins.
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