| 230 | // suitable for the Parquet DType and accumulator `acc`. |
| 231 | template <typename DType, typename Function, typename... Args> |
| 232 | auto DispatchArrowBinaryHelper(typename EncodingTraits<DType>::Accumulator* acc, |
| 233 | int64_t length, |
| 234 | std::optional<int64_t> estimated_data_length, |
| 235 | Function&& func, Args&&... args) { |
| 236 | static_assert(std::is_same_v<DType, ByteArrayType> || std::is_same_v<DType, FLBAType>, |
| 237 | "unsupported DType"); |
| 238 | if constexpr (std::is_same_v<DType, ByteArrayType>) { |
| 239 | switch (acc->builder->type()->id()) { |
| 240 | case ::arrow::Type::BINARY: |
| 241 | case ::arrow::Type::STRING: { |
| 242 | ArrowBinaryHelper<DType, ::arrow::BinaryType> helper(acc); |
| 243 | RETURN_NOT_OK(helper.Prepare(length, estimated_data_length)); |
| 244 | return func(&helper, std::forward<Args>(args)...); |
| 245 | } |
| 246 | case ::arrow::Type::LARGE_BINARY: |
| 247 | case ::arrow::Type::LARGE_STRING: { |
| 248 | ArrowBinaryHelper<DType, ::arrow::LargeBinaryType> helper(acc); |
| 249 | RETURN_NOT_OK(helper.Prepare(length, estimated_data_length)); |
| 250 | return func(&helper, std::forward<Args>(args)...); |
| 251 | } |
| 252 | case ::arrow::Type::BINARY_VIEW: |
| 253 | case ::arrow::Type::STRING_VIEW: { |
| 254 | ArrowBinaryHelper<DType, ::arrow::BinaryViewType> helper(acc); |
| 255 | RETURN_NOT_OK(helper.Prepare(length, estimated_data_length)); |
| 256 | return func(&helper, std::forward<Args>(args)...); |
| 257 | } |
| 258 | default: |
| 259 | throw ParquetException( |
| 260 | "Unsupported Arrow builder type when reading from BYTE_ARRAY column: " + |
| 261 | acc->builder->type()->ToString()); |
| 262 | } |
| 263 | } else { |
| 264 | ArrowBinaryHelper<DType, ::arrow::FixedSizeBinaryType> helper(acc); |
| 265 | RETURN_NOT_OK(helper.Prepare(length, estimated_data_length)); |
| 266 | return func(&helper, std::forward<Args>(args)...); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | void CheckPageLargeEnough(int64_t remaining_bytes, int32_t value_width, |
| 271 | int64_t num_values) { |