ok for serials, now i can extract from psql (\d tablename). But i'm not able to extract foreign keys from the schema. >From: Joel Burton <[EMAIL PROTECTED]> >To: "V. M." <[EMAIL PROTECTED]> >CC: [EMAIL PROTECTED] >Subject: Re: unanswered: Schema Issue >Date: Thu, 26 Apr 2001 13:51:26 -0400 (EDT) > >On Thu, 26 Apr 2001, V. M. wrote: > > > > > I want to extract tables schema information, i've looked at > > src/bin/psql/describe.c but i cannot determine the datatype > > 'serial' and > > 'references' from pg_*, i understand that triggers are generated for > > serial > > and references, so how i can understand from my perl application the > > full > > schema ? > >SERIALs are just integers (int4). They don't use a trigger, but use a >sequence >as a default value. > >REFERENCES are not a type of data, but a foreign key/primary key >relationship. There's still a data type (int, text, etc.) > >You can derive schema info from the system catalogs. Use psql with -E for >examples, or look in the Developer Manual. > >HTH, > >-- >Joel Burton <[EMAIL PROTECTED]> >Director of Information Systems, Support Center of Washington > _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html