Re: Re: unanswered: Schema Issue

From: "V(dot) M(dot)" <txian(at)hotmail(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: jburton(at)scw(dot)org
Subject: Re: Re: unanswered: Schema Issue
Date: 2001-04-26 19:24:02
Message-ID: F189QYx3G5aYY61LEdy000038af@hotmail.com
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perhaps adding t.tgargs to your view enable me to extract parameters
that are the related fields
---------------------------------------

CREATE VIEW dev_ri
AS
SELECT ***** t.tgargs **** , t.oid as trigoid,
c.relname as trig_tbl,
t.tgfoid,
f.proname as trigfunc,
t.tgenabled,
t.tgconstrname,
c2.relname as const_tbl,
t.tgdeferrable,
t.tginitdeferred
FROM pg_trigger t,
pg_class c,
pg_class c2,
pg_proc f
WHERE t.tgrelid=c.oid
AND t.tgconstrrelid=c2.oid
AND tgfoid=f.oid
AND tgname ~ '^RI_'
ORDER BY t.oid;

a tgargs example is:

fk_provincie_id_paesi_id_provin\000paesi\000province\000UNSPECIFIED\000id_provincia\000id\000

first field (fk_provincie_id_paesi_id_provin) is constraint name, and i can
understand that: paesi(id_provincia) references provincia(id).

valter

>From: Joel Burton <jburton(at)scw(dot)org>
>To: "V. M." <txian(at)hotmail(dot)com>
>CC: pgsql-hackers(at)postgresql(dot)org
>Subject: [HACKERS] Re: unanswered: Schema Issue
>Date: Thu, 26 Apr 2001 14:42:31 -0400 (EDT)
>
>On Thu, 26 Apr 2001, V. M. wrote:
>
> > ok for serials, now i can extract from psql (\d tablename).
> >
> > But i'm not able to extract foreign keys from the schema.
>
>Yes you can. Read my tutorial on Referential Integrity in the top section
>at techdocs.postgresql.org.
>
>--
>Joel Burton <jburton(at)scw(dot)org>
>Director of Information Systems, Support Center of Washington
>
>
>---------------------------(end of broadcast)---------------------------
>TIP 4: Don't 'kill -9' the postmaster

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