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AggBuilder

Struct AggBuilder 

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pub struct AggBuilder<T, K>(/* private fields */);

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impl<T, K> AggBuilder<T, K>

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pub fn count(self) -> Vec<(K, i64)>

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pub fn sum<F, U>(self, f: F) -> Vec<(K, Option<U>)>
where F: FnOnce(T) -> U,

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pub fn avg<F, U>(self, f: F) -> Vec<(K, Option<f64>)>
where F: FnOnce(T) -> U,

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pub fn min<F, U>(self, f: F) -> Vec<(K, Option<U>)>
where F: FnOnce(T) -> U,

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pub fn max<F, U>(self, f: F) -> Vec<(K, Option<U>)>
where F: FnOnce(T) -> U,

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pub fn having<F>(self, f: F) -> Self
where F: FnOnce(T, AggHandle) -> bool,

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pub fn order_by<F, U>(self, f: F) -> Self
where F: FnOnce(T) -> U,

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pub fn order_by_desc<F, U>(self, f: F) -> Self
where F: FnOnce(T) -> U,

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pub fn limit(self, n: i64) -> Self

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pub fn offset(self, n: i64) -> Self

Auto Trait Implementations§

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impl<T, K> Freeze for AggBuilder<T, K>

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impl<T, K> RefUnwindSafe for AggBuilder<T, K>

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impl<T, K> Send for AggBuilder<T, K>
where T: Send, K: Send,

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impl<T, K> Sync for AggBuilder<T, K>
where T: Sync, K: Sync,

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impl<T, K> Unpin for AggBuilder<T, K>
where T: Unpin, K: Unpin,

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impl<T, K> UnsafeUnpin for AggBuilder<T, K>

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impl<T, K> UnwindSafe for AggBuilder<T, K>
where T: UnwindSafe, K: UnwindSafe,

Blanket Implementations§

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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> 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<U> 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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.