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Re: deadlock of gap lock upgrade to insert attention lock
Posted by: Federico Razzoli
Date: November 21, 2020 08:26PM

In my tests, this works as expected:
* With REPEATABLE READ (default) the second SELECT remains on hold.
* With READ COMMITTED no lock or deadlock occurs.

Which version of MySQL are you using? Probably you should file a bug (after checking if the bug was already reported).

--
Federico Razzoli
Director @ Vettabase Ltd
https://vettabase.com

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