Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-11619

For GenericUDAFs, iterate function is called despite empty table

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • API, Hive
    • None
    • HDP 2.3

    Description

      For empty input tables, the iterate function in GenericUDAF is called once with a null input for empty table. This makes it impossible to differentiate the empty table case for the case where there the table has one row with a null in the desired column.

      This happens only when the genericUDAFcall is made with a column name specified and not when the '*' wild card in used.

      Attachments

        Activity

          People

            Unassigned Unassigned
            whuang Wei Huang
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated: