Struct OffsetIndexMetaData 

pub struct OffsetIndexMetaData {
    pub page_locations: Vec<PageLocation>,
    pub unencoded_byte_array_data_bytes: Option<Vec<i64>>,
}

OffsetIndex information for a column chunk. Contains offsets and sizes for each page in the chunk. Optionally stores fully decoded page sizes for BYTE_ARRAY columns.

See ParquetOffsetIndex for more information.

Fields

page_locations: Vec<PageLocation>

Vector of PageLocation objects, one per page in the chunk.

unencoded_byte_array_data_bytes: Option<Vec<i64>>

Optional vector of unencoded page sizes, one per page in the chunk. Only defined for BYTE_ARRAY columns.

Implementations

impl OffsetIndexMetaData

pub fn page_locations(&self) -> &Vec<PageLocation>

Vector of PageLocation objects, one per page in the chunk.

pub fn unencoded_byte_array_data_bytes(&self) -> Option<&Vec<i64>>

Optional vector of unencoded page sizes, one per page in the chunk. Only defined for BYTE_ARRAY columns.

pub(super) fn try_from_fast<'a, R: ThriftCompactInputProtocol<'a>>( prot: &mut R, ) -> Result<Self>

Trait Implementations

impl Clone for OffsetIndexMetaData

fn clone(&self) -> OffsetIndexMetaData

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OffsetIndexMetaData

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

Formats the value using the given formatter.

impl HeapSize for OffsetIndexMetaData

fn heap_size(&self) -> usize

Return the size of any bytes allocated on the heap by this object, including heap memory in those structures

impl PartialEq for OffsetIndexMetaData

fn eq(&self, other: &OffsetIndexMetaData) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a, R: ThriftCompactInputProtocol<'a>> ReadThrift<'a, R> for OffsetIndexMetaData

fn read_thrift(prot: &mut R) -> Result<Self>

Read an object of type Self from the input protocol object.

impl WriteThrift for OffsetIndexMetaData

const ELEMENT_TYPE: ElementType = ElementType::Struct

The ElementType to use when a list of this object is written.

fn write_thrift<W: Write>( &self, writer: &mut ThriftCompactOutputProtocol<W>, ) -> Result<()>

Serialize this object to the given writer.

impl WriteThriftField for OffsetIndexMetaData

fn write_thrift_field<W: Write>( &self, writer: &mut ThriftCompactOutputProtocol<W>, field_id: i16, last_field_id: i16, ) -> Result<i16>

Used to write struct fields (which may be primitive or IDL defined types). This will write the field marker for the given field_id, using last_field_id to compute the field delta used by the Thrift compact protocol. On success this will return field_id to be used in chaining.

impl Eq for OffsetIndexMetaData

impl StructuralPartialEq for OffsetIndexMetaData