Just had a need for this feature, and took this to a short test
drive. So some comments:
- it'd be useful to display a retry percentage of all transactions,
  similar to what's displayed for failed transactions.

- it'd be useful to also conveniently display the number of retried
  transactions, rather than the total number of retries.


- it appears that we now unconditionally do not disregard a connection
  after a serialization / deadlock failure. Good. But that's useful far
beyond just deadlocks / serialization errors, and should probably be exposed.

I agree that it will be useful. But how do you propose to print the results if there are many types of errors? I'm afraid that the progress report can be very long although it is expected that it will be rather short [1]. The per statement report can also be very long..

Nice feature!

Thanks and thank you for your comments :)

[1] https://www.postgresql.org/message-id/alpine.DEB.2.20.1707121142300.12795%40lancre

Marina Polyakova
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

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