Re: How do I save data and then raise an exception? - Mailing list pgsql-general

From Rob Richardson
Subject Re: How do I save data and then raise an exception?
Date
Msg-id 04A6DB42D2BA534FAC77B90562A6A03DA95F29@server.rad-con.local
Whole thread Raw
In response to Re: How do I save data and then raise an exception?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
Responses Re: How do I save data and then raise an exception?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
List pgsql-general
I didn't see anything in the documentation about deferred constraints.
Can you point to someplace where I can read about them?

Thank you!

RobR


-----Original Message-----
From: Scott Marlowe [mailto:scott.marlowe@gmail.com]
Sent: Friday, October 03, 2008 2:59 PM
To: Rob Richardson
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] How do I save data and then raise an exception?

On Fri, Oct 3, 2008 at 8:56 AM, Rob Richardson
<Rob.Richardson@rad-con.com> wrote:
> No, because the application first saves the coils and then saves the
> charge.  Setting up the foreign key constraint would prevent any coils

> from being saved because the charge record would never exist at the
> time the coil record was created.

You should be able to set your constraints to deferrable initially
deferred and get proper behaviour even with that update system.

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