Enum parquet::column::page::Page

pub enum Page {
    DataPage {
        buf: ByteBufferPtr,
        num_values: u32,
        encoding: Encoding,
        def_level_encoding: Encoding,
        rep_level_encoding: Encoding,
    },
    DataPageV2 {
        buf: ByteBufferPtr,
        num_values: u32,
        encoding: Encoding,
        num_nulls: u32,
        num_rows: u32,
        def_levels_byte_len: u32,
        rep_levels_byte_len: u32,
        is_compressed: bool,
    },
    DictionaryPage {
        buf: ByteBufferPtr,
        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 of DataPage

buf: ByteBufferPtr
num_values: u32
encoding: Encoding
def_level_encoding: Encoding
rep_level_encoding: Encoding

DataPageV2

Fields of DataPageV2

buf: ByteBufferPtr
num_values: u32
encoding: Encoding
num_nulls: u32
num_rows: u32
def_levels_byte_len: u32
rep_levels_byte_len: u32
is_compressed: bool

DictionaryPage

Fields of DictionaryPage

buf: ByteBufferPtr
num_values: u32
encoding: Encoding
is_sorted: bool

Methods

impl Page

pub fn page_type(&self) -> PageType

Returns PageType for this page.

pub fn buffer(&self) -> &ByteBufferPtr

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.