Function KeyColumnMetadata

cpp/src/arrow/compute/light_array_internal.h:59–63

struct ARROW_COMPUTE_EXPORT KeyColumnMetadata {
  KeyColumnMetadata() = default;
  KeyColumnMetadata(bool is_fixed_length_in, uint32_t fixed_length_in,
                    bool is_null_type_in = false)
      : is_fixed_length(is_fixed_length_in),
        is_null_type(is_null_type_in),
        fixed_length(fixed_length_in) {}
  /// \brief True if the column is not a varying-length binary type
  ///
  /// If this is true the column will have a validity buffer and