Enum parquet_format::FieldRepetitionType

pub enum FieldRepetitionType {
    Required,
    Optional,
    Repeated,
}

Representation of Schemas

Variants

Required

This field is required (can not be null) and each record has exactly 1 value.

Optional

The field is optional (can be null) and each record has 0 or 1 values.

Repeated

The field is repeated and can contain 0 or more values

Implementations

impl FieldRepetitionType

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

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

Trait Implementations

impl Clone for FieldRepetitionType

pub fn clone(&self) -> FieldRepetitionType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for FieldRepetitionType

impl Debug for FieldRepetitionType

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

Formats the value using the given formatter.

impl Eq for FieldRepetitionType

impl Hash for FieldRepetitionType

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 FieldRepetitionType

pub fn cmp(&self, other: &FieldRepetitionType) -> 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<FieldRepetitionType> for FieldRepetitionType

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

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

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialOrd<FieldRepetitionType> for FieldRepetitionType

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

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

#[must_use]pub fn lt(&self, other: &Rhs) -> bool

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

#[must_use]pub fn le(&self, other: &Rhs) -> bool

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

#[must_use]pub fn gt(&self, other: &Rhs) -> bool

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

#[must_use]pub 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 StructuralEq for FieldRepetitionType

impl StructuralPartialEq for FieldRepetitionType

impl TryFrom<i32> for FieldRepetitionType

type Error = Error

The type returned in the event of a conversion error.

pub fn try_from(i: i32) -> Result<Self, Self::Error>

Performs the conversion.