lance-format/lance
GitHub で見る[Duckdb] Zero copy Arrow Array/RecordBatch to duckdb Vector/DataChunk conversion
Open
#348 opened on 2022年12月4日
arrowduckdbhelp wantedrust
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説明
Problem Statement
#347 converts arrow array / RecordBatch reading from the LanceDataset to duckdb corresponding data structures via heavy data copy.
We need to implement zero-copy data transfer between arrow and duckdb to make the extension production ready.
- Primitive
Arraystoduckdb::Vector -
::arrow::StructArray -
::arrow::ListArray -
::arrow::DictionaryArray