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From fhueske <...@git.apache.org>
Subject [GitHub] flink pull request #3673: [FLINK-5256] Extend DataSetSingleRowJoin to suppor...
Date Thu, 27 Apr 2017 10:49:53 GMT
Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3673#discussion_r113657360
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/rules/dataSet/DataSetSingleRowJoinRule.scala
---
    @@ -69,16 +69,19 @@ class DataSetSingleRowJoinRule
         val dataSetLeftNode = RelOptRule.convert(join.getLeft, FlinkConventions.DATASET)
         val dataSetRightNode = RelOptRule.convert(join.getRight, FlinkConventions.DATASET)
         val leftIsSingle = isSingleRow(join.getLeft)
    +    val rightIsSingle = isSingleRow(join.getRight)
     
         new DataSetSingleRowJoin(
           rel.getCluster,
           traitSet,
           dataSetLeftNode,
           dataSetRightNode,
           leftIsSingle,
    +      rightIsSingle,
    --- End diff --
    
    `rightIsSingle` is `!leftIsSingle`, so we can omit this parameter, IMO


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