bkietz commented on code in PR #36018:
URL: https://github.com/apache/arrow/pull/36018#discussion_r1231375261
##########
cpp/src/arrow/scalar.h:
##########
@@ -111,6 +111,12 @@ struct ARROW_EXPORT Scalar : public
std::enable_shared_from_this<Scalar>,
protected:
Scalar(std::shared_ptr<DataType> type, bool is_valid)
: type(std::move(type)), is_valid(is_valid) {}
+
+ // 16 bytes of scratch space to enable ArraySpan to be a view onto any
+ // Scalar- including binary scalars where we need to create a buffer
+ // that looks like two 32-bit or 64-bit offsets.
+ alignas(int64_t) std::array<uint8_t, sizeof(int64_t) * 2> scratch_space_{0};
Review Comment:
I'll use the c array, then
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