marcin-krystianc opened a new issue, #50822: URL: https://github.com/apache/arrow/issues/50822
### Describe the enhancement requested Follow-up to #50335, which added `FLBADecoder::Decode(uint8_t*, int)` - a dense decode path that writes FIXED_LEN_BYTE_ARRAY values contiguously into a caller-provided buffer. `DeltaByteArrayFLBADecoder::Decode(uint8_t*, int)` currently reaches that dense output through `DeltaByteArrayDecoderImpl::GetInternal`, which only supports `ByteArray` output. So it decodes into a temporary `std::vector<ByteArray>`, then copies each value out and discards the vector. `DeltaByteArrayDecoderImpl::DecodeArrow` allocates a similar intermediate `ByteArray` buffer, so it may benefit from the same refactor. ### Component(s) C++ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
