Enum AggregateFunction

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pub enum AggregateFunction {
Show 13 variants    Count,
    Sum,
    Avg,
    Min,
    Max,
    Collect,
    CountStar,
    StdDev,
    Variance,
    StringAgg {
        delimiter: String,
    },
    PercentileDisc {
        percentile: f64,
    },
    PercentileCont {
        percentile: f64,
    },
    CountIf,
}

Expand description

All built-in aggregate functions.

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StringAgg

STRING_AGG(expr, delimiter) — concatenates strings.

Fields

§delimiter: String

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PercentileDisc

PERCENTILE_DISC(expr, percentile) — discrete percentile.

Fields

§percentile: f64

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PercentileCont

PERCENTILE_CONT(expr, percentile) — continuous percentile.

Fields

§percentile: f64

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CountIf

COUNT_IF(condition) — count rows where condition is TRUE.

Trait Implementations§

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impl Clone for AggregateFunction

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fn clone(&self) -> AggregateFunction

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for AggregateFunction

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for AggregateFunction

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impl RefUnwindSafe for AggregateFunction

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impl Send for AggregateFunction

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impl Sync for AggregateFunction

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impl Unpin for AggregateFunction

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impl UnsafeUnpin for AggregateFunction

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impl UnwindSafe for AggregateFunction

Blanket Implementations§

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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