[GitHub] flink pull request #6267: [FLINK-5750] Incorrect parse of brackets inside VA...

[fhueske]

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6267#discussion_r200478263
  
    --- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/dataset/DataSetUnion.scala
 ---
    @@ -36,22 +39,21 @@ import scala.collection.JavaConverters._
     class DataSetUnion(
         cluster: RelOptCluster,
         traitSet: RelTraitSet,
    -    leftNode: RelNode,
    -    rightNode: RelNode,
    -    rowRelDataType: RelDataType)
    -  extends BiRel(cluster, traitSet, leftNode, rightNode)
    +    inputs: JList[RelNode],
    +    rowRelDataType: RelDataType,
    +    all: Boolean)
    --- End diff --
    
    we don't need the `all` parameter because `DataStreamUnion` only supports 
`UNION ALL` semantics.


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