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 FileReader<R>where
R: Read + Seek + MmapBytesReader,
Available on crate feature ipc
and (crate features ipc
or ipc_streaming
) only.
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) -> ArrowResult<Option<ArrowChunk>>
source§impl<R> ArrowReader for StreamReader<R>where
R: Read + Seek,
Available on crate feature ipc_streaming
and (crate features ipc
or ipc_streaming
) only.
impl<R> ArrowReader for StreamReader<R>where
R: Read + Seek,
Available on crate feature
ipc_streaming
and (crate features ipc
or ipc_streaming
) only.