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  1. Apache Arrow
  2. ARROW-11748

[C++] Ensure Decimal128 and Decimal256's fields are in native endian order

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 6.0.0
    • C++

    Description

      Currently Decimal128 and Decimal256's fields are exclusively in littleendian order, which can yield surprising results when reinterpret_cast}}ing entries of a buffer to {{Decimal128* on a bigendian platform, see https://github.com/apache/arrow/pull/9554

      These utility classes will be more useful if they are always usable from a buffer without swizzling.

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              yibocai#1 yibocai#1
              bkietz Ben Kietzman
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