Navis created HIVE-11756:
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Summary: Avoid redundant key serialization in RS for distinct query
Key: HIVE-11756
URL: https://issues.apache.org/jira/browse/HIVE-11756
Project: Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Navis
Assignee: Navis
Priority: Trivial
Currently hive serializes twice to know the length of distribution key for
distinct queries. This introduces IndexedSerializer to avoid this.
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