Trait polars_io::SerReader

pub trait SerReader<R> where
    R: Read + Seek, {
    fn new(reader: R) -> Self;
    fn finish(self) -> Result<DataFrame>;

    fn set_rechunk(self, _rechunk: bool) -> Self
    where
        Self: Sized,
    { ... }
}

Required Methods

fn new(reader: R) -> Self

fn finish(self) -> Result<DataFrame>

Take the SerReader and return a parsed DataFrame.

Provided Methods

fn set_rechunk(self, _rechunk: bool) -> Self where
    Self: Sized, 

Rechunk to a single chunk after Reading file.

Implementors

impl<'a, R> SerReader<R> for CsvReader<'a, R> where
    R: MmapBytesReader, 

Available on crate feature csv-file only.

impl<'a, R> SerReader<R> for JsonLineReader<'a, R> where
    R: MmapBytesReader, 

Available on crate feature json only.

impl<R> SerReader<R> for AvroReader<R> where
    R: Read + Seek, 

Available on crate feature avro only.

impl<R> SerReader<R> for IpcReader<R> where
    R: Read + Seek, 

Available on crate feature ipc only.

impl<R> SerReader<R> for JsonReader<R> where
    R: MmapBytesReader, 

Available on crate feature json only.

impl<R: MmapBytesReader> SerReader<R> for ParquetReader<R>

Available on crate feature feature only.