The actual arguments to the referential integrity function. You can find it here . Now, it's much easier to understand what's happening. Note and use your own. Quit and restart psql, or reset your client connection, and you should be able to test out your new settings.
Additional submissions are welcome.
The more detail the better. Whilst this information is accurate to the best of my knowledge, some things may work differently for you and neither I nor any member of the PostgreSQL community can be held responsible for any losses or damage which may occur.