Uploaded image for project: 'Parquet'
  1. Parquet
  2. PARQUET-278

enforce non empty group on MessageType level

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 1.5.0, 1.6.0, 1.7.0
    • 1.8.0
    • parquet-mr
    • None

    Description

      As columnar format, parquet currently does not support empty struct/group without leaves. We should throw when constructing an empty GroupType to give a clear message.

      Attachments

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. PARQUET-363 Cannot construct empty MessageType for ReadContext.requestedSchema

          • Major - Major loss of function.
          • Resolved
          relates to

          Sub-task - The sub-task of the issue HIVE-11611 A bad performance regression issue with Parquet happens if Hive does not select any columns

          • Major - Major loss of function.
          • Reopened
          links to

          Web Link GitHub Pull Request #1111

          Web Link This issue is resolved by PR #195, authored by tsdeng

          Activity

            People

              tianshuo Tim
              tianshuo Tim
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: