Module arrow_extendr::from

Convert arrow-rs objects to an Robj

fn array_from_r(field: Robj) -> Result<ArrayData> {
    ArrayData::from_arrow_robj(&field)?
}

Robjs from {nanoarrow} and {arrow} are both supported.

arrow-rs struct	R object
Field	nanoarrow_schema or arrow::Field
Schema	nanoarrow_schema or arrow::Schema
DataType	nanoarrow_schema or arrow::DataType
ArrayData	nanoarrow_array or arrow::Array
RecordBatch	nanoarrow_array_stream or arrow::RecordBatch
ArrowArrayStreamReader	nanoarrow_array_stream

Notes

In the case of creating a RecordBatch from a nanoarrow_array_stream only the first chunk is returned. If you expect more than one chunk, use ArrowArrayStreamReader.

Traits

• FromArrowRobj
  Creates arrow-rs Structs from an Robj

Functions

• nanoarrow_addr
  Calls nanoarrow::nanoarrow_pointer_addr_chr()
• nanoarrow_export
  Calls nanoarrow::nanoarrow_pointer_export()

Type Definitions

• ErrArrowRobj