| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: Changing a trigger function |
| Date: | 2008-04-24 09:22:44 |
| Message-ID: | 20080424092243.GA15397@a-kretschmer.de |
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| Lists: | pgsql-novice |
am Thu, dem 24.04.2008, um 11:08:12 +0200 mailte Didier Gasser-Morlay folgendes:
> I have found a nasty bug in one of the trigger function I did put into
> production a couple of days ago. I have a fix for it but wonder if I
> can put it into the production database with users connected on it.
>
> What would happen if someone sends an update firing that trigger
> whilst I am in the middle of updating it via a create or update ? Do
> I need to wait for this evening or can I safely runs the update of the
> function ?
All works within a TRANSACTION. If you change the function while the old
version are running for an other transaction, the other transaction has
the old version until the end.
In other words: you can change the function without problems.
Andreas
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Andreas Kretschmer
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