Matt McCline created HIVE-20370: ----------------------------------- 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)