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  1. Flink
  2. FLINK-3507

PruneEmptyRules does not prune empty node as expected.

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • 1.1.0
    • Table SQL / API
    • None

    Description

      val t = CollectionDataSets.get3TupleDataSet(env).as('a, 'b, 'c)
      .where(Literal(false))
      .groupBy('b)
      .select('a.sum)

      With PruneEmptyRules instances enabled, we expect the empty Aggregate and Project should be removed, while it's not removed after logical optimization.

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          relates to

          Improvement - An improvement or enhancement to an existing feature or task. FLINK-3508 Add more test cases to verify the rules of logical plan optimization

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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              Unassigned Unassigned
              chengxiang li Chengxiang Li
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              Dates

                Created:
                Updated:
                Resolved: