Skip to main content

AggregateProjection

Struct AggregateProjection 

Source
pub struct AggregateProjection {
    pub expr: AggregateExpr,
    pub alias: &'static str,
}

Fields§

§expr: AggregateExpr§alias: &'static str

Implementations§

Source§

impl AggregateProjection

Source

pub fn group_key<E>(column: EntityColumn<E>) -> AggregateProjection
where E: Entity,

Source

pub fn group_key_as( expr: impl Into<Expr>, alias: &'static str, ) -> AggregateProjection

Source

pub const fn expr_as( expr: AggregateExpr, alias: &'static str, ) -> AggregateProjection

Source

pub fn count_as(alias: &'static str) -> AggregateProjection

Source

pub fn sum_as(expr: impl Into<Expr>, alias: &'static str) -> AggregateProjection

Source

pub fn avg_as(expr: impl Into<Expr>, alias: &'static str) -> AggregateProjection

Source

pub fn min_as(expr: impl Into<Expr>, alias: &'static str) -> AggregateProjection

Source

pub fn max_as(expr: impl Into<Expr>, alias: &'static str) -> AggregateProjection

Trait Implementations§

Source§

impl AggregateProjections for AggregateProjection

Source§

impl Clone for AggregateProjection

Source§

fn clone(&self) -> AggregateProjection

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
Source§

impl Debug for AggregateProjection

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<E: Entity> From<AliasedEntityColumn<E>> for AggregateProjection

Source§

fn from(value: AliasedEntityColumn<E>) -> Self

Converts to this type from the input type.
Source§

impl PartialEq for AggregateProjection

Source§

fn eq(&self, other: &AggregateProjection) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl StructuralPartialEq for AggregateProjection

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

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

Source§

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
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> Instrument for T

Source§

fn instrument(self, span: Span) -> Instrumented<Self>

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

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<T> WithSubscriber for T

Source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more