Hi, On 2018-06-29 20:37:23 +0200, Tomas Vondra wrote: > My guess is that it's a PL/pgSQL function with an EXCEPTION block, and > there's no easy way to "fix" that.
Obviously not going to immediately help the OP, but I do think we should be able to relax the subtransaction restriction around parallelism without too much work. Can't allow xids to be assigned, but that's probably ok for a lot of exception handling cases. Greetings, Andres Freund