Struct pgdatetime::Date

#[repr(transparent)]pub struct Date(_);

Date (no time of day).

Implementations

impl Date

pub fn try_from_ymd(y: i32, m: i32, d: i32) -> Result<Self, DateTimeError>

Constructs Date from year, month and day.

pub fn add_days(self, days: i32) -> Result<Self, DateTimeError>

Date adds days.

pub fn add_interval(self, span: Interval) -> Result<Timestamp, DateTimeError>

Date add Interval.

pub fn add_time(self, time: Time) -> Result<Timestamp, DateTimeError>

Date adds Time.

pub fn sub_date(self, date: Date) -> Result<i32, DateTimeError>

Date subtracts Date.

pub fn sub_days(self, days: i32) -> Result<Date, DateTimeError>

Date subtracts days.

pub fn sub_interval(self, span: Interval) -> Result<Timestamp, DateTimeError>

Date subtracts Interval.

pub fn try_from_str(
    s: &str,
    date_order: DateOrder
) -> Result<Self, DateTimeError>

Parses Date string.

pub fn format(
    self,
    date_style: DateStyle,
    date_order: DateOrder
) -> Result<String, DateTimeError>

Convert Date to string.

Trait Implementations

impl Clone for Date

fn clone(&self) -> Date

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for Date

impl DateTime for Date

fn date_part(
    &self,
    ty: FieldType,
    unit: DateUnit
) -> Result<Option<f64>, DateTimeError>

Extracts specified field from Date.

fn is_finite(&self) -> bool

Checks whether Date is finite.

fn truncate(&self, ty: FieldType, unit: DateUnit) -> Result<Self, DateTimeError>

Truncates Date to specified units.

fn is_infinite(&self) -> bool

Checks whether date time is infinite.

impl Debug for Date

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

Formats the value using the given formatter.

impl Eq for Date

impl From<Date> for i32

Converts Date to i32 type.

fn from(d: Date) -> Self

Performs the conversion.

impl From<i32> for Date

Converts i32 to Date type.

fn from(v: i32) -> Self

Performs the conversion.

impl Hash for Date

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 Date

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

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

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl PartialEq<Date> for Date

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

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

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

This method tests for !=.

impl PartialOrd<Date> for Date

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

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

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

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

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

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

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

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

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

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

impl StructuralEq for Date

impl StructuralPartialEq for Date

impl TryFrom<Date> for Timestamp

Converts Date to Timestamp.

type Error = DateTimeError

The type returned in the event of a conversion error.

fn try_from(value: Date) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Timestamp> for Date

Converts timestamp to date.

type Error = DateTimeError

The type returned in the event of a conversion error.

fn try_from(value: Timestamp) -> Result<Self, Self::Error>

Performs the conversion.