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  1. Hive
  2. HIVE-5565

Limit Hive decimal type maximum precision and scale to 38

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Details

    • Task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.13.0
    • 0.13.0
    • Types
    • None

    Description

      With HIVE-3976, the maximum precision is set to 65, and maximum scale is to 30. After discussing with several folks in the community, it's determined that 38 as a maximum for both precision and scale are probably sufficient, in addition to the potential performance boost that might become possible to some implementation.

      This task is to make such a change. The change is expected to be trivial, but it may impact many test cases. The reason for a separate JIRA is that patch in HIVE-3976 is already in a good shape. Rather than destabilizing a bigger patch, a dedicate patch will facilitates both reviews.

      The wiki document will be updated shortly.

      Attachments

        1. HIVE-5565.6.patch
          97 kB
          Xuefu Zhang
        2. HIVE-5565.5.patch
          94 kB
          Xuefu Zhang
        3. HIVE-5565.4.patch
          94 kB
          Xuefu Zhang
        4. HIVE-5565.3.patch
          92 kB
          Xuefu Zhang
        5. HIVE-5565.2.patch
          90 kB
          Xuefu Zhang
        6. HIVE-5565.1.patch
          90 kB
          Xuefu Zhang
        7. HIVE-5565.patch
          11 kB
          Xuefu Zhang

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            xuefuz Xuefu Zhang Assign to me
            xuefuz Xuefu Zhang
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