Re: [SQL] Foreign Key ??
От | Fabio Mancinelli |
---|---|
Тема | Re: [SQL] Foreign Key ?? |
Дата | |
Msg-id | Pine.GSO.3.96.981109104539.6800A-100000@brutus обсуждение исходный текст |
Ответ на | Foreign Key ?? (David Jackson <cjamblue@smokies.amnix.com>) |
Список | pgsql-sql |
On Sun, 8 Nov 1998, David Jackson wrote: > CONSTRAINT NAME_FK FOREIGN KEY (client_name) > REFERENCES client(client_name) > ); > This results in FUNCTION NOT IMPLETEMENTED error. > Yes, that's true. There is no built-in referential integrity in PostgresSQL. Anyway there are two "external" functions in the contrib/spi directory which implement the referential integrity. You can use these functions via triggers. All the docs and the sources are in the contrib/spi dir in the source code distribution (v6.4), I don't remember if they are also available in the v6.3 source code distibution. Bye. ------------------------------------------------------------------------------ Greetings from Fabio Mancinelli E-Mail : mancinel@univaq.it Computer Science Student xenon@olografix.org University of L'Aquila WWW : http://univaq.it/~mancinel (PGP Public Key available) http://www.olografix.org/xenon
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