We have code to check some preconditions before taking locks and acquiring a snapshot in AutoGetCollectionForRead. But these preconditions are not checked after we yield in PlanExecutor. And in general, the use of AutoGetCollectionForRead seems error-prone after lock yields as the guarantees the RAII type gives might be lost after query yieldings.

We have SERVER-44529 and SERVER-46721 that describe a similar but slightly different problem of the undesired behaviors of AutoGetCollectionForRead after yields.

I think it is better to come up with a more generic solution so that the guarantees of AutoGetCollectionForRead can still hold across yields.