CurtHagenlocher opened a new pull request, #292:
URL: https://github.com/apache/arrow-dotnet/pull/292
## What's Changed
- Fixes DecimalUtility.GetDecimal to correctly handle high-scale values
(e.g., Decimal256 with precision 76, scale 38) that previously threw
OverflowException — addresses issue #247
- Adds a fast path using Int128 on .NET 7+ that avoids BigInteger
allocation for values that fit in 128 bits
- Replaces the old fractional-part overflow check (which threw) with
FractionToDecimal, which gracefully reduces precision to fit within decimal's
~28-digit mantissa
Closes #247.
Partially addresses #96.
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