felipecrv commented on code in PR #33641:
URL: https://github.com/apache/arrow/pull/33641#discussion_r1091312173
##########
cpp/src/arrow/type.h:
##########
@@ -1196,6 +1196,49 @@ class ARROW_EXPORT DenseUnionType : public UnionType {
std::string name() const override { return "dense_union"; }
};
+/// \brief Base class for types using a special-encoding (e.g.
run-end-encoding)
+///
+/// This allows users to check if arrays are logically compatible even when the
+/// physical encoding of the types differs.
+class ARROW_EXPORT EncodedType : public NestedType {
+ public:
+ EncodedType(Type::type id, std::shared_ptr<DataType> encoded_type)
+ : NestedType(id), encoded_type_{std::move(encoded_type)} {}
+
+ const std::shared_ptr<DataType>& encoded_type() const { return
encoded_type_; }
Review Comment:
Renamed to `value_type` everywhere. And `values_array()` is now just
`values()`.
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