pub trait LoaderTrait {
    type Model: ModelTrait;

    // Required methods
    fn load_one<'life0, 'life1, 'async_trait, R, S, C>(
        &'life0 self,
        stmt: S,
        db: &'life1 C
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<<R as EntityTrait>::Model>, Global>, DbErr>> + Send + 'async_trait, Global>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             C: ConnectionTrait + 'async_trait,
             R: EntityTrait + 'async_trait,
             <R as EntityTrait>::Model: Send + Sync,
             S: EntityOrSelect<R> + 'async_trait,
             <Self::Model as ModelTrait>::Entity: Related<R>,
             Self: 'async_trait;
    fn load_many<'life0, 'life1, 'async_trait, R, S, C>(
        &'life0 self,
        stmt: S,
        db: &'life1 C
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             C: ConnectionTrait + 'async_trait,
             R: EntityTrait + 'async_trait,
             <R as EntityTrait>::Model: Send + Sync,
             S: EntityOrSelect<R> + 'async_trait,
             <Self::Model as ModelTrait>::Entity: Related<R>,
             Self: 'async_trait;
    fn load_many_to_many<'life0, 'life1, 'async_trait, R, S, V, C>(
        &'life0 self,
        stmt: S,
        via: V,
        db: &'life1 C
    ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             C: ConnectionTrait + 'async_trait,
             R: EntityTrait + 'async_trait,
             <R as EntityTrait>::Model: Send + Sync,
             S: EntityOrSelect<R> + 'async_trait,
             V: EntityTrait + 'async_trait,
             <V as EntityTrait>::Model: Send + Sync,
             <Self::Model as ModelTrait>::Entity: Related<R>,
             Self: 'async_trait;
}
Expand description

This trait implements the Data Loader API

Required Associated Types§

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type Model: ModelTrait

Source model

Required Methods§

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fn load_one<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<<R as EntityTrait>::Model>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <Self::Model as ModelTrait>::Entity: Related<R>, Self: 'async_trait,

Used to eager load has_one relations

source

fn load_many<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <Self::Model as ModelTrait>::Entity: Related<R>, Self: 'async_trait,

Used to eager load has_many relations

source

fn load_many_to_many<'life0, 'life1, 'async_trait, R, S, V, C>( &'life0 self, stmt: S, via: V, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, V: EntityTrait + 'async_trait, <V as EntityTrait>::Model: Send + Sync, <Self::Model as ModelTrait>::Entity: Related<R>, Self: 'async_trait,

Used to eager load many_to_many relations

Implementations on Foreign Types§

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impl<M> LoaderTrait for Vec<M, Global>where M: ModelTrait + Sync,

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type Model = M

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fn load_one<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<<R as EntityTrait>::Model>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <<Vec<M, Global> as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, Vec<M, Global>: 'async_trait,

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fn load_many<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <<Vec<M, Global> as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, Vec<M, Global>: 'async_trait,

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fn load_many_to_many<'life0, 'life1, 'async_trait, R, S, V, C>( &'life0 self, stmt: S, via: V, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, V: EntityTrait + 'async_trait, <V as EntityTrait>::Model: Send + Sync, <<Vec<M, Global> as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, Vec<M, Global>: 'async_trait,

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impl<M> LoaderTrait for &[M]where M: ModelTrait + Sync,

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type Model = M

source§

fn load_one<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<<R as EntityTrait>::Model>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <<&[M] as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, &[M]: 'async_trait,

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fn load_many<'life0, 'life1, 'async_trait, R, S, C>( &'life0 self, stmt: S, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, <<&[M] as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, &[M]: 'async_trait,

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fn load_many_to_many<'life0, 'life1, 'async_trait, R, S, V, C>( &'life0 self, stmt: S, via: V, db: &'life1 C ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<<R as EntityTrait>::Model, Global>, Global>, DbErr>> + Send + 'async_trait, Global>>where 'life0: 'async_trait, 'life1: 'async_trait, C: ConnectionTrait + 'async_trait, R: EntityTrait + 'async_trait, <R as EntityTrait>::Model: Send + Sync, S: EntityOrSelect<R> + 'async_trait, V: EntityTrait + 'async_trait, <V as EntityTrait>::Model: Send + Sync, <<&[M] as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>, &[M]: 'async_trait,

Implementors§