Struct orc_rust::arrow_reader::column::Column

pub struct Column { /* private fields */ }

Implementations

impl Column

pub fn read_stream<R: Read + Seek>( reader: &mut Reader<R>, start: u64, length: usize ) -> Result<Bytes>

pub async fn read_stream_async<R: AsyncRead + AsyncSeek + Unpin + Send>( reader: &mut Reader<R>, start: u64, length: usize ) -> Result<Bytes>

pub fn get_stream_info( name: &str, column: &Arc<TypeDescription>, footer: &Arc<StripeFooter>, stripe: &StripeInformation ) -> Result<(u64, usize)>

pub fn new<R: Read + Seek>( reader: &mut Reader<R>, compression: CompressionKind, name: &str, column: &Arc<TypeDescription>, footer: &Arc<StripeFooter>, stripe: &StripeInformation ) -> Result<Self>

pub async fn new_async<R: AsyncRead + AsyncSeek + Unpin + Send>( reader: &mut Reader<R>, compression: CompressionKind, name: &str, column: &Arc<TypeDescription>, footer: &Arc<StripeFooter>, stripe: &StripeInformation ) -> Result<Self>

pub fn stream(&self, kind: Kind) -> Option<Result<Decompressor>>

pub fn dictionary_size(&self) -> usize

pub fn encoding(&self) -> ColumnEncoding

pub fn number_of_rows(&self) -> usize

pub fn kind(&self) -> Kind

Trait Implementations

impl Debug for Column

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

Formats the value using the given formatter.