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From eatoncys <...@git.apache.org>
Subject [GitHub] spark issue #21823: [SPARK-24870][SQL]Cache can't work normally if there are...
Date Fri, 20 Jul 2018 07:07:32 GMT
Github user eatoncys commented on the issue:

    https://github.com/apache/spark/pull/21823
  
    @cloud-fan 
          case j @ Join(left, right, _, _) if !j.duplicateResolved =>
            j.copy(right = dedupRight(left, right))
    dedupRight generate a new logical plan for the right child, which get the 'key' from the
original table 'src', but left not.


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