Enum parquet::column::page::Page

pub enum Page {
    DataPage {
        buf: Bytes,
        num_values: u32,
        encoding: Encoding,
        def_level_encoding: Encoding,
        rep_level_encoding: Encoding,
        statistics: Option<Statistics>,
    },
    DataPageV2 {
        buf: Bytes,
        num_values: u32,
        encoding: Encoding,
        num_nulls: u32,
        num_rows: u32,
        def_levels_byte_len: u32,
        rep_levels_byte_len: u32,
        is_compressed: bool,
        statistics: Option<Statistics>,
    },
    DictionaryPage {
        buf: Bytes,
        num_values: u32,
        encoding: Encoding,
        is_sorted: bool,
    },
}

Parquet Page definition.

List of supported pages. These are 1-to-1 mapped from the equivalent Thrift definitions, except buf which used to store uncompressed bytes of the page.

Variants

DataPage

Fields

buf: Bytes

num_values: u32

encoding: Encoding

def_level_encoding: Encoding

rep_level_encoding: Encoding

statistics: Option<Statistics>

DataPageV2

Fields

buf: Bytes

num_values: u32

encoding: Encoding

num_nulls: u32

num_rows: u32

def_levels_byte_len: u32

rep_levels_byte_len: u32

is_compressed: bool

statistics: Option<Statistics>

DictionaryPage

Fields

buf: Bytes

num_values: u32

encoding: Encoding

is_sorted: bool

Implementations

impl Page

pub fn page_type(&self) -> PageType

Returns PageType for this page.

pub fn buffer(&self) -> &Bytes

Returns internal byte buffer reference for this page.

pub fn num_values(&self) -> u32

Returns number of values in this page.

pub fn encoding(&self) -> Encoding

Returns this page Encoding.

pub fn statistics(&self) -> Option<&Statistics>

Returns optional Statistics.

Trait Implementations

impl Clone for Page

fn clone(&self) -> Page

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.