From: Alvaro Herrera <alvherre@commandprompt.com>
To: Gerardo Herzig <gherzig@fmed.uba.ar>
Cc: Filip Rembiałkowski <plk.zuber@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: transaction and triggers
Date: Fri, 18 Jan 2008 12:26:25 -0300
Message-ID: <20080118152625.GE5326@alvh.no-ip.org> (raw)
In-Reply-To: <4790C2B4.1070103@fmed.uba.ar>
References: <4790B50A.5050101@fmed.uba.ar>
<92869e660801180642i1fdd417r3d3b9399c5e5ab98@mail.gmail.com>
<4790C2B4.1070103@fmed.uba.ar>
Gerardo Herzig escribió:
> Right. But today, that trigger do some other work, wich includes writing
> some files to disk, so there is my problem. Crap, i guess i will have to
> review the main logic.
Probably it's better to move the actual file writing to a listener
external process -- the transaction only does a NOTIFY, which is certain
to be delivered only when the transaction commits. So if it aborts, no
spurious write occurs.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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To: pgsql-sql@postgresql.org
Cc: alvherre@commandprompt.com, gherzig@fmed.uba.ar, plk.zuber@gmail.com
Subject: Re: transaction and triggers
In-Reply-To: <20080118152625.GE5326@alvh.no-ip.org>
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