Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-22206

gapply in R can't work on empty grouping columns

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.2.0
    • Fix Version/s: 2.1.3, 2.2.1, 2.3.0
    • Component/s: SparkR, SQL
    • Labels:
      None

      Description

      gapply in R invokes FlatMapGroupsInRExec in runtime, but FlatMapGroupsInRExec.requiredChildDistribution didn't consider empty grouping attributes. So gapply can't work on empty grouping columns.

        Attachments

          Activity

            People

            • Assignee:
              viirya Liang-Chi Hsieh
              Reporter:
              viirya Liang-Chi Hsieh
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: