Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-17871

Add non nullability flag to druid time column

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0
    • Druid integration
    • None

    Description

      Druid time column is non null all the time.
      Adding the non nullability flag will enable extra calcite goodness like transforming 

       select count(`__time`) from table

      to 

       select count(*) from table

      Attachments

        1. HIVE-17871.2.patch
          18 kB
          Slim Bouguerra
        2. HIVE-17871.3.patch
          31 kB
          Slim Bouguerra
        3. HIVE-17871.4.patch
          23 kB
          Slim Bouguerra
        4. HIVE-17871.patch
          2 kB
          Slim Bouguerra

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-2041 When ReduceExpressionRule simplifies a nullable expression, allow the result to change type to NOT NULL

          • Major - Major loss of function.
          • Closed

          Activity

            People

              bslim Slim Bouguerra
              bslim Slim Bouguerra
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: