Trait polars_io::ArrowReader

pub trait ArrowReader {
    // Required method
    fn next_record_batch(&mut self) -> PolarsResult<Option<ArrowChunk>>;
}

Required Methods

fn next_record_batch(&mut self) -> PolarsResult<Option<ArrowChunk>>

Implementations on Foreign Types

impl<R> ArrowReader for Reader<R>where R: Read + Seek,

Available on crate feature avro only.

fn next_record_batch(&mut self) -> PolarsResult<Option<ArrowChunk>>

impl<R> ArrowReader for FileReader<R>where R: Read + Seek + MmapBytesReader,

Available on crate feature ipc and (crate features ipc or ipc_streaming) only.

fn next_record_batch(&mut self) -> PolarsResult<Option<ArrowChunk>>

impl<R> ArrowReader for StreamReader<R>where R: Read,

Available on crate feature ipc_streaming and (crate features ipc or ipc_streaming) only.

fn next_record_batch(&mut self) -> PolarsResult<Option<ArrowChunk>>

Implementors