Davies Liu created SPARK-13095:
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Summary: improve performance of hash join with dimension table
Key: SPARK-13095
URL: https://issues.apache.org/jira/browse/SPARK-13095
Project: Spark
Issue Type: Bug
Reporter: Davies Liu
Assignee: Davies Liu
The join key is usually an integer or long (primary key, unique), we could have
special HashRelation for them.
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