[Koha-bugs] [Bug 33905] Username and cardnumber should be unique respectively

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33905 --- Comment #15 from David Cook <dcook@prosentient.com.au> --- When it comes to database triggers, we do need to be mindful of transactions and potential database deadlocks. That said, they can be difficult to diagnose, so easier said than done... -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.