Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-3526 Column Statistics - Add support for equi-height histograms on numeric columns
  3. HIVE-3877

Implement equi-depth histograms as a UDAF

    XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None
    • None

    Description

      Implement a space and time efficient algorithm to bin numeric column data such that all bins approximately contain the same number of elements. Implement such an algorithm as a generic UDAF.

      Attachments

        Activity

          People

            shreepadma Shreepadma Venugopalan
            shreepadma Shreepadma Venugopalan
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated: