Function from_ffi

arrow-array/src/ffi.rs:282–298

Import [ArrayData] from the C Data Interface # Safety This struct assumes that the incoming data agrees with the C data interface.

(array: FFI_ArrowArray, schema: &FFI_ArrowSchema)

///
/// This struct assumes that the incoming data agrees with the C data interface.
pub unsafe fn from_ffi(array: FFI_ArrowArray, schema: &FFI_ArrowSchema) -> Result<ArrayData> {
    let dt = DataType::try_from(schema)?;
    let array = Arc::new(array);
    let tmp = ImportedArrowArray {
        array: &array,
        data_type: dt,
        owner: &array,
    };
    let mut data = tmp.consume()?;
    // arrow-rs has stricter alignment requirements than the C Data Interface spec;
    // a no-op when buffers are already aligned. Unreachable under
    // `cfg(feature = "force_validate")`; tracked in #10034.
    // See https://github.com/apache/arrow/issues/43552 and
    // https://github.com/apache/arrow-rs/issues/10028 for context.
    data.align_buffers();
    Ok(data)
}

/// Import [ArrayData] from the C Data Interface
///