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Implement LoaderTrait for slices (#1368)

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Billy Chan 2023-01-11 19:12:45 +08:00 committed by GitHub
parent 2a713b06cd
commit a0d972633a
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1 changed files with 29 additions and 2 deletions
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31
src/query/loader.rs
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@ -32,8 +32,35 @@ pub trait LoaderTrait {
#[async_trait]
impl<M> LoaderTrait for Vec<M>
where
M: ModelTrait,
Vec<M>: Sync,
M: ModelTrait + Sync,
{
type Model = M;
async fn load_one<R, C>(&self, stmt: Select<R>, db: &C) -> Result<Vec<Option<R::Model>>, DbErr>
where
C: ConnectionTrait,
R: EntityTrait,
R::Model: Send + Sync,
<<Self as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>,
{
self.as_slice().load_one(stmt, db).await
}
async fn load_many<R, C>(&self, stmt: Select<R>, db: &C) -> Result<Vec<Vec<R::Model>>, DbErr>
where
C: ConnectionTrait,
R: EntityTrait,
R::Model: Send + Sync,
<<Self as LoaderTrait>::Model as ModelTrait>::Entity: Related<R>,
{
self.as_slice().load_many(stmt, db).await
}
}
#[async_trait]
impl<M> LoaderTrait for &[M]
where
M: ModelTrait + Sync,
{
type Model = M;