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WithRelation

sz_orm_core

Struct WithRelation 

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pub struct WithRelation<M: Model + ModelExt + RelationLoader> { /* private fields */ }
Expand description

关系预加载构造器

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impl<M: Model + ModelExt + RelationLoader> WithRelation<M>

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pub fn with(self, relation: &str) -> Self

追加一个待加载的关系

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pub async fn load<C>(self, conn: &mut C) -> Result<M, RelationError>
where C: Connection + ?Sized,

加载所有指定关系并返回填充后的模型 加载结果通过 set_relation_data 写回模型

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impl<M> Freeze for WithRelation<M>
where M: Freeze,

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impl<M> RefUnwindSafe for WithRelation<M>
where M: RefUnwindSafe,

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impl<M> Send for WithRelation<M>

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impl<M> Sync for WithRelation<M>

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impl<M> Unpin for WithRelation<M>
where M: Unpin,

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impl<M> UnsafeUnpin for WithRelation<M>
where M: UnsafeUnpin,

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impl<M> UnwindSafe for WithRelation<M>
where M: UnwindSafe,

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, 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.
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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

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