On Sun, 2011-01-23 at 16:13 -0500, Tom Lane wrote: > Simon Riggs <si...@2ndquadrant.com> writes: > > You can add an FK without an initial check, but the FK is enforced for > > all further DML changes. > > I seem to recall pointing out upthread that the FK check triggers are > designed on the assumption that the constraint does hold currently. > Has any analysis been done on exactly how badly they'll fail when it > doesn't hold? I remain unconvinced that this behavior is desirable.
If you mean RESTRICT relationships, then yes. I haven't foreseen other problems myself. What other ideas or risks would you like me to confirm or deny for you? -- Simon Riggs http://www.2ndQuadrant.com/books/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
