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SelectQuery

Struct SelectQuery 

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pub struct SelectQuery {
    pub from: TableRef,
    pub joins: Vec<Join>,
    pub projection: Vec<SelectProjection>,
    pub predicate: Option<Predicate>,
    pub order_by: Vec<OrderBy>,
    pub pagination: Option<Pagination>,
}

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§from: TableRef§joins: Vec<Join>§projection: Vec<SelectProjection>§predicate: Option<Predicate>§order_by: Vec<OrderBy>§pagination: Option<Pagination>

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impl SelectQuery

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pub fn from_entity<E: Entity>() -> Self

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pub fn from_entity_as<E: Entity>(alias: &'static str) -> Self

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pub fn select<P, I>(self, projection: I) -> Self
where P: Into<SelectProjection>, I: IntoIterator<Item = P>,

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pub fn filter(self, predicate: Predicate) -> Self

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pub fn join(self, join: Join) -> Self

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pub fn inner_join<E: Entity>(self, on: Predicate) -> Self

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pub fn left_join<E: Entity>(self, on: Predicate) -> Self

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pub fn inner_join_as<E: Entity>( self, alias: &'static str, on: Predicate, ) -> Self

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pub fn left_join_as<E: Entity>(self, alias: &'static str, on: Predicate) -> Self

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pub fn order_by(self, order: OrderBy) -> Self

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pub fn paginate(self, pagination: Pagination) -> Self

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impl Clone for SelectQuery

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fn clone(&self) -> SelectQuery

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 SelectQuery

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

Formats the value using the given formatter. Read more
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impl PartialEq for SelectQuery

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fn eq(&self, other: &SelectQuery) -> 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.
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impl StructuralPartialEq for SelectQuery

Auto Trait Implementations§

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<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<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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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