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Posted to dev@hive.apache.org by "Alexander Pivovarov (JIRA)" <ji...@apache.org> on 2015/03/31 07:55:52 UTC

[jira] [Created] (HIVE-10159) HashTableSinkDesc and MapJoinDesc keyTableDesc can be replaced by JoinDesc.keyTableDesc

Alexander Pivovarov created HIVE-10159:
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             Summary: HashTableSinkDesc and MapJoinDesc keyTableDesc can be replaced by JoinDesc.keyTableDesc
                 Key: HIVE-10159
                 URL: https://issues.apache.org/jira/browse/HIVE-10159
             Project: Hive
          Issue Type: Improvement
          Components: Query Planning
            Reporter: Alexander Pivovarov
            Assignee: Alexander Pivovarov
            Priority: Minor


MapJoinDesc and HashTableSinkDesc are derived from JoinDesc
HashTableSinkDesc and MapJoinDesc have keyTblDesc field.
JoinDesc has keyTableDesc field.

I think HashTableSinkDesc and MapJoinDesc can use superclass (JoinDesc) keyTableDesc field instead of defining their own keyTblDesc.




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