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https://github.com/LemmyNet/lemmy.git
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parent
1b4ca321c3
commit
1ec33ce502
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@ -28,62 +28,10 @@ use std::{hash::Hash, pin::Pin};
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/// Returned by `diesel::delete`
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pub type Delete<T> = DeleteStatement<<T as HasTable>::Table, <T as IntoUpdateTarget>::WhereClause>;
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pub type Find<T, IdType> = dsl::Find<<T as HasTable>::Table, IdType>;
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pub type Find<'a, T> = dsl::Find<<T as HasTable>::Table, <T as Crud<'a>>::IdType>;
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pub type InsertValues<'a, T, InsertForm> =
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<&'a InsertForm as Insertable<<T as HasTable>::Table>>::Values;
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pub trait CrudBounds<'a, InsertForm, UpdateForm, IdType>
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where
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Self: HasTable + Sized,
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Self::Table: FindDsl<IdType> + 'static,
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Find<Self, IdType>: LimitDsl + Send + IntoUpdateTarget + 'static,
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dsl::Limit<Find<Self, IdType>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
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<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
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<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
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Delete<Find<Self, IdType>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
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<Find<Self, IdType> as IntoUpdateTarget>::WhereClause: 'static + Send,
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<Find<Self, IdType> as HasTable>::Table: 'static + Send,
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&'a InsertForm: Insertable<Self::Table>,
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InsertValues<'a, Self, InsertForm>: 'a,
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InsertStatement<Self::Table, InsertValues<'a, Self, InsertForm>>:
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LoadQuery<'a, AsyncPgConnection, Self> + 'a + Send,
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InsertForm: 'static + Send + Sync,
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UpdateForm: 'static + Send + Sync,
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IdType: 'static
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+ Hash
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+ Eq
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+ Sized
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+ Send
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+ AsExpression<<<Self::Table as Table>::PrimaryKey as Expression>::SqlType>,
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{
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}
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impl<'a, InsertForm, UpdateForm, IdType, T> CrudBounds<'a, InsertForm, UpdateForm, IdType> for T
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where
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Self: HasTable + Sized,
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Self::Table: FindDsl<IdType> + 'static,
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Find<Self, IdType>: LimitDsl + Send + IntoUpdateTarget + 'static,
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dsl::Limit<Find<Self, IdType>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
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<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
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<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
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Delete<Find<Self, IdType>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
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<Find<Self, IdType> as IntoUpdateTarget>::WhereClause: 'static + Send,
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<Find<Self, IdType> as HasTable>::Table: 'static + Send,
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&'a InsertForm: Insertable<Self::Table>,
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InsertValues<'a, Self, InsertForm>: 'a,
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InsertStatement<Self::Table, InsertValues<'a, Self, InsertForm>>:
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LoadQuery<'a, AsyncPgConnection, Self> + 'a + Send,
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InsertForm: 'static + Send + Sync,
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UpdateForm: 'static + Send + Sync,
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IdType: 'static
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+ Hash
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+ Eq
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+ Sized
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+ Send
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+ AsExpression<<<Self::Table as Table>::PrimaryKey as Expression>::SqlType>,
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{
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}
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pub type InsertValues<'a, 'b, T> =
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<&'a <T as Crud<'b>>::InsertForm as Insertable<<T as HasTable>::Table>>::Values;
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// When using `RunQueryDsl::execute`, directly building futures with `Box::pin` and `TryFutureExt::and_then`
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// instead of `async` + `await` fixes weird compile errors.
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@ -93,8 +41,19 @@ where
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#[async_trait]
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pub trait Crud<'a>
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where
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for<'b> Self: CrudBounds<'b, Self::InsertForm, Self::UpdateForm, Self::IdType>,
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Self: Sized,
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Self: HasTable + Sized,
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for<'b> Self::Table: FindDsl<<Self as Crud<'b>>::IdType> + 'static,
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for<'b> Find<'b, Self>: LimitDsl + Send + IntoUpdateTarget + 'static,
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for<'b> dsl::Limit<Find<'b, Self>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
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<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
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<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
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for<'b> Delete<Find<'b, Self>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
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for<'b> <Find<'b, Self> as IntoUpdateTarget>::WhereClause: 'static + Send,
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for<'b> <Find<'b, Self> as HasTable>::Table: 'static + Send,
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for<'b> &'a <Self as Crud<'b>>::InsertForm: Insertable<Self::Table>,
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for<'b> InsertValues<'a, 'b, Self>: 'a,
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for<'b, 'query> InsertStatement<Self::Table, InsertValues<'query, 'b, Self>>:
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LoadQuery<'query, AsyncPgConnection, Self> + 'query + Send,
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{
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type InsertForm: 'static + Send + Sync;
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type UpdateForm: 'static + Send + Sync;
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