"David G. Johnston" <david.g.johnston@xxxxxxxxx> writes: > On Wed, Dec 1, 2021 at 12:21 PM Jenda Krynicky <Jenda@xxxxxxxxxxx> wrote: >> THERE IS NO (CENSORED) VARIABLE "Uuid"! > Yes, there is. RETURNS TABLE (... "Uuid" text ... ) > Changing that to something else should remove the ambiguity. I agree it is > not an ideal solution though. I'm not sure what other options exist though. The variable_conflict options that Adrian pointed to are one way out. It's also possible to qualify the name in the ON CONFLICT clause, although I think you have to parenthesize it to do so: ... ON CONFLICT (("Lockers"."Uuid")) regards, tom lane