DDN-DATA-ARROW

Pure-D Apache Arrow C Data Interface and IPC file interchange for columnar data

Modules 4

ddn.data.arrow.c_data
The Arrow interchange layer of `ddn.df` (ADR-2026-10-24-15): the C Data Interface (the `ArrowArray`/`ArrowSchema` ABI structs with release callbacks), implemented natively in D with no external dep...
ddn.data.arrow.ipc
The Arrow IPC file reader of `ddn.df` (ADR-2026-10-24-15, amended 2026-10-29): the `.arrows`/Feather V2 format read through a self-owned minimal FlatBuffers subset (the Message/Schema/Field/ Record...
ddn.data.arrow.migration
Standalone Arrow-consumer migration proofs: canonical columnar types cross the C Data boundary without a dataframe dependency, and codec errors retain the canonical exception identity.
ddn.data.arrow
Pure-D Apache Arrow C Data Interface and IPC file interchange for columnar data.