Karsten Hilbert <Karsten.Hilbert@gmx.net> writes:
> Am Sun, Apr 19, 2026 at 06:54:02AM -0700 schrieb David G. Johnston:
>> You know about deferred constraints, you should use them here. This is one
>> of the key use cases motivating their existence.
> Indeed. I was of the mistaken impression that UNIQUE
> constraints were not deferrable ...
Once upon a time they were not, but we fixed that years ago.
regards, tom lane