Re: Command Triggers, patch v11 - Mailing list pgsql-hackers

From Dimitri Fontaine
Subject Re: Command Triggers, patch v11
Date
Msg-id m2ipis2hum.fsf@2ndQuadrant.fr
Whole thread Raw
In response to Re: Command Triggers, patch v11  (Thom Brown <thom@linux.com>)
Responses Re: Command Triggers, patch v11  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Thom Brown <thom@linux.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


pgsql-hackers by date:

Previous
From: Thom Brown
Date:
Subject: Re: Command Triggers, patch v11
Next
From: Dimitri Fontaine
Date:
Subject: Re: Command Triggers, patch v11