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Simplify Crud::read lifetimes

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dull b 2023-07-14 05:02:52 +00:00
parent 1f108177d0
commit 8745a6cc45
1 changed files with 4 additions and 4 deletions
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8
crates/db_schema/src/traits.rs
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@ -67,14 +67,14 @@ where
.get_result::<Self>(conn)
.await
}*/
async fn read<'conn, 'conn2: 'conn, 'a: 'conn>(pool: &'conn2 mut DbPool<'a>, id: Self::IdType) -> Result<Self, Error>
where diesel::helper_types::Limit<<Self::Table as FilterDsl<dsl::Eq<<Self::Table as Table>::PrimaryKey, Self::IdType>>>::Output>: LoadQuery<'static, DbConn<'conn>, Self> + Send + 'static + Sized
async fn read(pool: &'async_trait mut DbPool<'_>, id: Self::IdType) -> Result<Self, Error>
where diesel::helper_types::Limit<<Self::Table as FilterDsl<dsl::Eq<<Self::Table as Table>::PrimaryKey, Self::IdType>>>::Output>: LoadQuery<'static, DbConn<'async_trait>, Self> + Send + 'static + Sized
{
let mut conn = get_conn::<'conn2, 'a>(pool).await?;
let col = Self::table().primary_key();
// FindDsl is not used because it uses a private trait
let query = FilterDsl::filter(Self::table(), ExpressionMethods::eq(col, id));
let future = RunQueryDsl::first::<'static, 'conn, Self>(query, &mut conn);
let mut conn = get_conn(pool).await?;
let future = RunQueryDsl::first::<'static, 'async_trait, Self>(query, &mut conn);
future.await
}
/// when you want to null out a column, you have to send Some(None)), since sending None means you just don't want to update that column.