Sean Quah 6121056740 Handle cancellation in DatabasePool.runInteraction() (#12199) ...

To handle cancellation, we ensure that `after_callback`s and
`exception_callback`s are always run, since the transaction will
complete on another thread regardless of cancellation.

We also wait until everything is done before releasing the
`CancelledError`, so that logging contexts won't get used after they
have been finished.

Signed-off-by: Sean Quah <seanq@element.io>

2022-03-16 15:07:41 +00:00

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