pub trait ArrowReader {
// Required method
fn next_record_batch(&mut self) -> PolarsResult<Option<RecordBatch>>;
}Required Methods§
fn next_record_batch(&mut self) -> PolarsResult<Option<RecordBatch>>
Implementations on Foreign Types§
Source§impl<R> ArrowReader for FileReader<R>
Available on crate feature ipc and (crate features ipc or ipc_streaming) only.
impl<R> ArrowReader for FileReader<R>
Available on crate feature
ipc and (crate features ipc or ipc_streaming) only.fn next_record_batch(&mut self) -> PolarsResult<Option<RecordBatch>>
Source§impl<R> ArrowReader for Reader<R>
Available on crate feature avro only.
impl<R> ArrowReader for Reader<R>
Available on crate feature
avro only.fn next_record_batch(&mut self) -> PolarsResult<Option<RecordBatch>>
Source§impl<R> ArrowReader for StreamReader<R>
Available on crate feature ipc_streaming and (crate features ipc or ipc_streaming) only.
impl<R> ArrowReader for StreamReader<R>
Available on crate feature
ipc_streaming and (crate features ipc or ipc_streaming) only.