I noticed the same thing here: https://github.com/apache/arrow/pull/10642/files#diff-c3b0484ad8586ff46fa035d446a7d1c3a30cd35d13cd05678c99814938e07d5b
If it helps I can pull that out into a separate JIRA (or feel free to do so as well). -David On Mon, Jul 12, 2021, at 21:27, Niranda Perera wrote: > Hi all, > It seems like there's a bug in MakeArrayFromScalar for > FixedSizedBinaryType. > https://github.com/apache/arrow/blob/e990d177b1f1dec962315487682f613d46be573c/cpp/src/arrow/array/util.cc#L516 > > ```c++ > template <typename T> > enable_if_t<is_number_type<T>::value || > is_fixed_size_binary_type<T>::value || > is_temporal_type<T>::value, > Status> > Visit(const T&) { > auto value = checked_cast<const typename > TypeTraits<T>::ScalarType&>(scalar_).value; > return FinishFixedWidth(&value, sizeof(value)); > } > ``` > ` sizeof(value)` doesn't give the byte width of FSB type, does it? > > -- > Niranda Perera > https://niranda.dev/ > @n1r44 <https://twitter.com/N1R44> >