Enum DateTimeField 

pub enum DateTimeField {
    Year,
    Years,
    Month,
    Months,
    Week(Option<Ident>),
    Weeks,
    Day,
    DayOfWeek,
    DayOfYear,
    Days,
    Date,
    Datetime,
    Hour,
    Hours,
    Minute,
    Minutes,
    Second,
    Seconds,
    Century,
    Decade,
    Dow,
    Doy,
    Epoch,
    Isodow,
    Isoyear,
    IsoWeek,
    Julian,
    Microsecond,
    Microseconds,
    Millenium,
    Millennium,
    Millisecond,
    Milliseconds,
    Nanosecond,
    Nanoseconds,
    Quarter,
    Time,
    Timezone,
    TimezoneAbbr,
    TimezoneHour,
    TimezoneMinute,
    TimezoneRegion,
    NoDateTime,
    Custom(Ident),
}

Represents the date/time fields used by functions like EXTRACT.

Each variant corresponds to a supported date/time part (for example YEAR, MONTH, DAY, etc.). The Custom variant allows arbitrary identifiers (e.g. dialect-specific abbreviations).

Variants

Year

YEAR

Years

YEARS (plural form)

Month

MONTH

Months

MONTHS (plural form)

Week(Option<Ident>)

WEEK, optionally followed by a weekday, e.g. WEEK(MONDAY).

BigQuery

Weeks

WEEKS (plural form)

Day

DAY

DayOfWeek

DAYOFWEEK

DayOfYear

DAYOFYEAR

Days

DAYS (plural form)

Date

DATE

Datetime

DATETIME

Hour

HOUR

Hours

HOURS (plural form)

Minute

MINUTE

Minutes

MINUTES (plural form)

Second

SECOND

Seconds

SECONDS (plural form)

Century

CENTURY

Decade

DECADE

Dow

DOW (day of week short form)

Doy

DOY (day of year short form)

Epoch

EPOCH

Isodow

ISODOW

Isoyear

ISOYEAR

IsoWeek

ISOWEEK

Julian

JULIAN

Microsecond

MICROSECOND

Microseconds

MICROSECONDS (plural form)

Millenium

MILLENIUM (alternate spelling)

Millennium

MILLENNIUM (alternate spelling)

Millisecond

MILLISECOND

Milliseconds

MILLISECONDS (plural form)

Nanosecond

NANOSECOND

Nanoseconds

NANOSECONDS (plural form)

Quarter

QUARTER

Time

TIME

Timezone

TIMEZONE

TimezoneAbbr

TIMEZONE_ABBR

TimezoneHour

TIMEZONE_HOUR

TimezoneMinute

TIMEZONE_MINUTE

TimezoneRegion

TIMEZONE_REGION

NoDateTime

NODATETIME indicates no date/time part

Custom(Ident)

Arbitrary abbreviation or custom date-time part.

EXTRACT(q FROM CURRENT_TIMESTAMP)

Snowflake

Trait Implementations

impl Clone for DateTimeField

fn clone(&self) -> DateTimeField

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DateTimeField

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

Formats the value using the given formatter.

impl Display for DateTimeField

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

Formats the value using the given formatter.

impl Hash for DateTimeField

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

where __H: Hasher,

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for DateTimeField

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for DateTimeField

fn eq(&self, other: &DateTimeField) -> 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 PartialOrd for DateTimeField

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Visit for DateTimeField

fn visit<V>(&self, visitor: &mut V) -> ControlFlow<<V as Visitor>::Break>

where V: Visitor,

Visit this node with the provided Visitor.

impl VisitMut for DateTimeField

fn visit<V>(&mut self, visitor: &mut V) -> ControlFlow<<V as VisitorMut>::Break>

where V: VisitorMut,

Mutably visit this node with the provided VisitorMut.

impl Eq for DateTimeField

impl StructuralPartialEq for DateTimeField