kszucs commented on a change in pull request #8088:
URL: https://github.com/apache/arrow/pull/8088#discussion_r484348787
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File path: cpp/src/arrow/util/hashing.h
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@@ -851,6 +851,11 @@ struct HashTraits<T, enable_if_t<has_string_view<T>::value
&&
using MemoTableType = BinaryMemoTable<BinaryBuilder>;
};
+template <>
+struct HashTraits<Decimal128Type> {
+ using MemoTableType = BinaryMemoTable<BinaryBuilder>;
Review comment:
Sadly this is causing multiple compile errors due to missing
`GetOrInsert` and `CopyFixedWidthValues` methods.
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