insert isn't really reserving so much as just getting nextval from the seq, and may have to nextval a second time. I've found for tables like this to NOT use in

insert isn't really reserving so much as just getting nextval from the seq, and may have to nextval a second time. I've found for tables like this to NOT use int-pk - I use ULIDs for these kinds (and actually, I've been using ULID for like everything lately)