QuarterFunction

sql_cli::sql::functions::date_time

Struct QuarterFunction

pub struct QuarterFunction;

Expand description

QUARTER function - returns the quarter of the year (1-4)

Trait Implementations§

impl SqlFunction for QuarterFunction

fn signature(&self) -> FunctionSignature

Get the function’s signature and metadata

fn evaluate(&self, args: &[DataValue]) -> Result<DataValue>

Evaluate the function with the given arguments

fn validate_args(&self, args: &[DataValue]) -> Result<()>

Validate arguments before evaluation (default implementation checks count)

Auto Trait Implementations§

impl Freeze for QuarterFunction

impl RefUnwindSafe for QuarterFunction

impl Send for QuarterFunction

impl Sync for QuarterFunction

impl Unpin for QuarterFunction

impl UnwindSafe for QuarterFunction

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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where F: FnOnce(&Self) -> bool,

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type Output = T

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where U: Into<T>,

type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
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