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Re: Command Triggers, patch v11

From: Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr>
To: Thom Brown <thom(at)linux(dot)com>
Cc: Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Command Triggers, patch v11
Date: 2012-02-27 19:31:45
Message-ID: m2ipis2hum.fsf@2ndQuadrant.fr (view raw or flat)
Thread:
Lists: pgsql-hackers
Thom Brown <thom(at)linux(dot)com> writes:
> I've got a question regarding the function signatures required for
> command triggers, and apologies if it's already been discussed to
> death (I didn't see all the original conversations around this).
> These differ from regular trigger functions which don't require any
> arguments, and instead use special variables.  Why aren't we doing the
> same for command triggers?  So instead of having the parameters

Basically so that we don't have to special code support for each and
every language out there.

> Disadvantages are that there's more maintenance overhead for
> supporting multiple languages using special variables.

Lots of, so I've been told, enough of it for not taking this choice
seriously.  I'll admit I didn't personally looked at what it would
entail implementation wise.

Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support

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