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Add comment about futures
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@ -29,6 +29,11 @@ pub type Delete<T> = DeleteStatement<<T as HasTable>::Table, <T as IntoUpdateTar
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pub type Find<'a, T> = dsl::Find<<T as HasTable>::Table, <T as Crud<'a>>::IdType>;
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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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// https://github.com/rust-lang/rust/issues/102211
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// When using `RunQueryDsl::first`, `async` + `await` works, and it must be used otherwise the closure for `and_then`
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// will both own `conn` and return a future that references it.
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#[async_trait]
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pub trait Crud<'a>
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where
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