Struct parquet_format_async_temp::BloomFilterHeader

pub struct BloomFilterHeader {
    pub num_bytes: i32,
    pub algorithm: BloomFilterAlgorithm,
    pub hash: BloomFilterHash,
    pub compression: BloomFilterCompression,
}

Bloom filter header is stored at beginning of Bloom filter data of each column and followed by its bitset.

Fields

num_bytes: i32

The size of bitset in bytes *

algorithm: BloomFilterAlgorithm

The algorithm for setting bits. *

hash: BloomFilterHash

The hash function used for Bloom filter. *

compression: BloomFilterCompression

The compression used in the Bloom filter *

Implementations

impl BloomFilterHeader

pub fn new(
    num_bytes: i32,
    algorithm: BloomFilterAlgorithm,
    hash: BloomFilterHash,
    compression: BloomFilterCompression
) -> BloomFilterHeader

pub fn read_from_in_protocol(
    i_prot: &mut dyn TInputProtocol
) -> Result<BloomFilterHeader>

pub async fn stream_from_in_protocol(
    i_prot: &mut dyn TInputStreamProtocol
) -> Result<BloomFilterHeader>

pub fn write_to_out_protocol(
    &self,
    o_prot: &mut dyn TOutputProtocol
) -> Result<usize>

pub async fn write_to_out_stream_protocol(
    &self,
    o_prot: &mut dyn TOutputStreamProtocol
) -> Result<usize>

Trait Implementations

impl Clone for BloomFilterHeader

fn clone(&self) -> BloomFilterHeader

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for BloomFilterHeader

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

Formats the value using the given formatter.

impl Hash for BloomFilterHeader

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl Ord for BloomFilterHeader

fn cmp(&self, other: &BloomFilterHeader) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<BloomFilterHeader> for BloomFilterHeader

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl PartialOrd<BloomFilterHeader> for BloomFilterHeader

fn partial_cmp(&self, other: &BloomFilterHeader) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Eq for BloomFilterHeader

impl StructuralEq for BloomFilterHeader

impl StructuralPartialEq for BloomFilterHeader