Trait polars_io::ArrowReader
source · pub trait ArrowReader {
fn next_record_batch(&mut self) -> ArrowResult<Option<ArrowChunk>>;
}Required Methods§
fn next_record_batch(&mut self) -> ArrowResult<Option<ArrowChunk>>
Implementations on Foreign Types§
source§impl<R> ArrowReader for Reader<R>where
R: Read + Seek,
Available on crate feature avro only.
impl<R> ArrowReader for Reader<R>where
R: Read + Seek,
Available on crate feature
avro only.fn next_record_batch(&mut self) -> ArrowResult<Option<ArrowChunk>>
source§impl<R> ArrowReader for FileReader<R>where
R: Read + Seek + MmapBytesReader,
Available on crate features ipc or ipc_streaming only.
impl<R> ArrowReader for FileReader<R>where
R: Read + Seek + MmapBytesReader,
Available on crate features
ipc or ipc_streaming only.fn next_record_batch(&mut self) -> ArrowResult<Option<ArrowChunk>>
source§impl<R> ArrowReader for StreamReader<R>where
R: Read + Seek,
Available on crate features ipc or ipc_streaming only.
impl<R> ArrowReader for StreamReader<R>where
R: Read + Seek,
Available on crate features
ipc or ipc_streaming only.