zhjwpku commented on code in PR #998:
URL: https://github.com/apache/iceberg-cpp/pull/998#discussion_r4239955204
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src/iceberg/manifest/manifest_reader.cc:
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@@ -416,6 +417,16 @@ Status ParsePartitionValues(ArrowArrayView* view, int64_t
row_idx,
case ArrowType::NANOARROW_TYPE_DOUBLE:
partition.AddValue(Literal::Double(ArrowArrayViewGetDoubleUnsafe(view,
row_idx)));
break;
+ case ArrowType::NANOARROW_TYPE_DECIMAL128: {
+ const auto& type = static_cast<const DecimalType&>(*field_type);
+ ArrowDecimal value;
+ ArrowDecimalInit(&value, Decimal::kBitWidth, type.precision(),
type.scale());
+ ArrowArrayViewGetDecimalUnsafe(view, row_idx, &value);
+ int128_t unscaled;
+ std::memcpy(&unscaled, value.words, sizeof(unscaled));
Review Comment:
Does it work on big-endian machines? I'm not familiar with arrow's
endianness, but I think we should double check.
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