On Tue, Feb 09, 2021 at 02:49:19PM +0000, Edward Macnaghten wrote: > > $ alter user depesz set custom.bad-guc = '1a'; > > ERROR: syntax error at or near "-" > > LINE 1: alter user depesz set custom.bad-guc = '1a'; > Have you tried enclosing "bad-guc" in double quotes? I'm sorry, but have you read my mail? I did. On set and on reading. Best regards, depesz