Struct arrow2::io::parquet::read::ReadColumnIterator

pub struct ReadColumnIterator { /* private fields */ }

A MutStreamingIterator of pre-read column chunks

Implementations

impl ReadColumnIterator

pub fn new( field: ParquetType, chunks: Vec<(Vec<Result<CompressedPage, Error>>, ColumnChunkMetaData)> ) -> ReadColumnIterator

Returns a new ReadColumnIterator

Trait Implementations

impl Debug for ReadColumnIterator

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl MutStreamingIterator for ReadColumnIterator

type Item = (IntoIter<Result<CompressedPage, Error>>, ColumnChunkMetaData)

type Error = Error

fn advance(self) -> Result<State<ReadColumnIterator>, Error>

fn get( &mut self ) -> Option<&mut <ReadColumnIterator as MutStreamingIterator>::Item>