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Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2021/02/23 20:00:00 UTC

[jira] [Created] (ARROW-11748) [C++] Ensure Decimal128 and Decimal256's fields are in native endian order

Ben Kietzman created ARROW-11748:
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             Summary: [C++] Ensure Decimal128 and Decimal256's fields are in native endian order
                 Key: ARROW-11748
                 URL: https://issues.apache.org/jira/browse/ARROW-11748
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
    Affects Versions: 3.0.0
            Reporter: Ben Kietzman


Currently Decimal128'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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