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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2016/01/29 22:07:39 UTC

[jira] [Created] (SPARK-13095) improve performance of hash join with dimension table

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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