MonthFunction

sql_cli::sql::functions::date_time

Struct MonthFunction

pub struct MonthFunction;

Expand description

MONTH function - extracts month from date (1-12)

Trait Implementations§

impl SqlFunction for MonthFunction

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 MonthFunction

impl RefUnwindSafe for MonthFunction

impl Send for MonthFunction

impl Sync for MonthFunction

impl Unpin for MonthFunction

impl UnwindSafe for MonthFunction

Blanket Implementations§

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

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Mutably borrows from an owned value. Read more

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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>

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