How to manage database timeouts and cancellations in Go - Alex Edwards

One of the great features of Go's database/sql package is that it's possible to cancel database queries while they are still running via a context.Context instance. On the face of it, usage of this functionality is quite straightforward (here's a basic example). But once you start digging into the details there's a lot a nuance and quite a few gotchas... especially if you are using this functional