On 2013-12-02 08:57:01 +0000, Albe Laurenz wrote: > What strikes me is that since foreign key constraints are implemented > as triggers in PostgreSQL, this solution would probably not have many > performance benefits over a self-written trigger that implements the > same functionality. Since you need two triggers for your example, > the performance might even be worse than a single self-written trigger.
Note that you cannot really write correct RI triggers without playing very low level games, i.e. writing C and using special kinds of snapshots and such. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers