From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mitch Vincent <mitch@venux.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: [SQL] Triggers
Date: Tue, 04 Jan 2000 10:55:11 -0500
Message-ID: <13258.947001311@sss.pgh.pa.us> (raw)
In-Reply-To: <00cc01bf56c5$03cd5e80$40ee2fd8@venux.net>
References: <21582.943985242@sss.pgh.pa.us>
<00cc01bf56c5$03cd5e80$40ee2fd8@venux.net>
"Mitch Vincent" <mitch@venux.net> writes:
> I'm using this funtion via a trigger to total up amounts in several fields
> (and adding that value into a total field)..
> CREATE TRIGGER invoice_total_trigger AFTER INSERT OR UPDATE ON invoice
> FOR EACH ROW EXECUTE PROCEDURE invoice_total_trigger();
> It works for updating but not when you insert a new row. Am I doing it
> wrong?
Er, don't you want BEFORE INSERT OR UPDATE?
I wouldn't think an AFTER trigger could modify the already-inserted-or-
updated row...
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, mitch@venux.net
Subject: Re: [SQL] Triggers
In-Reply-To: <13258.947001311@sss.pgh.pa.us>
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