| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: Musings on Triggers |
| Date: | 2005-12-06 16:36:45 |
| Message-ID: | 20051206163645.GB1661@webserv.wug-glas.de |
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| Lists: | pgsql-novice |
am 06.12.2005, um 10:49:31 -0500 mailte Joshua Kramer folgendes:
>
> Greetings all,
>
> Can anyone recommend a tutorial on writing triggers, aside from what's in
> the documentation?
>
> Can a trigger in a table in Database_A alter/insert data in a table in
> Database_B?
No, you can't. (except with dblink)
>
> Can I write a trigger such that, it runs on every insert into Table_A, and
> inserts a subset of fields of this insert into Table_B, but if this is not
> successful, then the insert on Table_A also fails?
Yes.
HTH, Andreas
--
Andreas Kretschmer (Kontakt: siehe Header)
Heynitz: 035242/47212, D1: 0160/7141639
GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net
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