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  1. Hive
  2. HIVE-7385

Optimize for empty relation scans

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.14.0
    • Query Processor
    • None
    • Don't scan relations which are guaranteed to not generate any rows.

    Attachments

      1. HIVE-7385.1.patch
        210 kB
        Ashutosh Chauhan
      2. HIVE-7385.2.patch
        210 kB
        Ashutosh Chauhan
      3. HIVE-7385.patch
        54 kB
        Ashutosh Chauhan

      Issue Links

        is related to

        Task - A task that needs to be done. HIVE-7456 HIVE-7361 missed updating authorization_fail_8

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

        Improvement - An improvement or enhancement to an existing feature or task. HIVE-3005 Skip execution phase for queries that contain "LIMIT 0" clause

        • Major - Major loss of function.
        • Closed

        Improvement - An improvement or enhancement to an existing feature or task. HIVE-3006 Skip execution of queries with always false WHERE clauses

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

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        Activity

          People

            ashutoshc Ashutosh Chauhan
            ashutoshc Ashutosh Chauhan
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            Dates

              Created:
              Updated:
              Resolved: