Map Join followup: optimize number of map-reduce jobs
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Key: HIVE-530
URL: https://issues.apache.org/jira/browse/HIVE-530
Project: Hadoop Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.4.0
Reporter: Namit Jain
Assignee: Namit Jain
Instead of creating a temporary destination after every mapJoin, avoid
where-ever possible.
Also, replace the Select after MapJoin with a ForwardOperator
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