Struct parquet_format::DictionaryPageHeader

pub struct DictionaryPageHeader {
    pub num_values: i32,
    pub encoding: Encoding,
    pub is_sorted: Option<bool>,
}

Fields

num_values: i32

Number of values in the dictionary *

encoding: Encoding

Encoding using this dictionary page *

is_sorted: Option<bool>

If true, the entries in the dictionary are sorted in ascending order *

Implementations

impl DictionaryPageHeader

pub fn new<F3>(
    num_values: i32,
    encoding: Encoding,
    is_sorted: F3
) -> DictionaryPageHeader where
    F3: Into<Option<bool>>, 

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

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

Trait Implementations

impl Clone for DictionaryPageHeader

pub fn clone(&self) -> DictionaryPageHeader

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DictionaryPageHeader

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

Formats the value using the given formatter.

impl Eq for DictionaryPageHeader

impl Hash for DictionaryPageHeader

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

Feeds this value into the given Hasher.

pub 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 DictionaryPageHeader

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

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<DictionaryPageHeader> for DictionaryPageHeader

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

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

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

This method tests for !=.

impl PartialOrd<DictionaryPageHeader> for DictionaryPageHeader

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

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

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

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

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

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

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

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

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

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

impl StructuralEq for DictionaryPageHeader

impl StructuralPartialEq for DictionaryPageHeader