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  1. Hive
  2. HIVE-4160 Vectorized Query Execution in Hive
  3. HIVE-6017

Contribute Decimal128 high-performance decimal(p, s) package from Microsoft to Hive

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.13.0
    • 0.13.0
    • None
    • None

    Description

      Contribute the Decimal128 high-performance decimal package developed by Microsoft to Hive. This was originally written for Microsoft PolyBase by Hideaki Kimura.

      This code is about 8X more efficient than Java BigDecimal for typical operations. It uses a finite (128 bit) precision and can handle up to decimal(38, X). It is also "mutable" so you can change the contents of an existing object. This helps reduce the cost of new() and garbage collection.

      Attachments

        1. HIVE-6017.01.patch
          235 kB
          Eric N. Hanson
        2. HIVE-6017.02.patch
          235 kB
          Eric N. Hanson
        3. HIVE-6017.03.patch
          222 kB
          Eric N. Hanson
        4. HIVE-6017.04.patch
          221 kB
          Eric N. Hanson

        Issue Links

          is depended upon by

          Sub-task - The sub-task of the issue HIVE-5762 Implement vectorized support for the DECIMAL data type

          • Major - Major loss of function.
          • In Progress

          Sub-task - The sub-task of the issue HIVE-6051 Create DecimalColumnVector and a representative VectorExpression for decimal

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              ehans Eric N. Hanson
              ehans Eric N. Hanson
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              Dates

                Created:
                Updated:
                Resolved: