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  1. Hive
  2. HIVE-2780

Implement more restrictive table sampler

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Details

    • Improvement
    • Status: Patch Available
    • Trivial
    • Resolution: Unresolved
    • None
    • None
    • None
    • None

    Description

      Current table sampling scans whole block, making more rows included than expected especially for small tables.

      Attachments

        1. ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.1.patch
          9 kB
          Phabricator
        2. ASF.LICENSE.NOT.GRANTED--HIVE-2780.D1623.2.patch
          9 kB
          Phabricator
        3. HIVE-2780.D1623.3.patch
          11 kB
          Phabricator
        4. HIVE-2780.D1623.4.patch
          17 kB
          Phabricator

        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-3401 Diversify grammar for split sampling

          • Trivial - Cosmetic problem like misspelt words or misaligned text.
          • Closed

          Activity

            People

              navis Navis Ryu
              navis Navis Ryu
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              Dates

                Created:
                Updated: