Yes my mistake on that. I'm mixing up 9.2 (where you had to do use plv8) and 9.3 (which has the native operator). The rest of the comment still stands though, a

Yes my mistake on that. I'm mixing up 9.2 (where you had to do use plv8) and 9.3 (which has the native operator). The rest of the comment still stands though, a parsed representation makes the operator faster and more efficient.