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Message-ID: <43E2144D.4030901@logix-tt.com>
Date: Thu, 02 Feb 2006 15:16:45 +0100
From: Markus Schaber <schabi@logix-tt.com>
Organization: Logical Tracking and Tracing International AG, Switzerland
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To: Daniel Caune <daniel.caune@ubisoft.com>
Cc: Owen Jacobson <ojacobson@osl.com>, pgsql-sql@postgresql.org
Subject: Re: Does PostgreSQL support job?
References: <1E293D3FF63A3740B10AD5AAD88535D201755923@UBIMAIL1.ubisoft.org>
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Hi, Daniel,

Daniel Caune wrote:

> I'm not sure to understand.  Why calling a function from a script is different from executing a series of SQL commands?  I mean, I can run a script defined as follows:
> 
> SELECT myjob();
> 
> where myjob is a stored procedure such as:
> 
> CREATE OR REPLACE FUNCTION myjob()
>   RETURNS void
> AS $$
>   <a-lot-of-complex-stuff-here>
> END;
> $$ LANGUAGE PLPGSQL;
> 
> Does that make sense?

It does make sense if myjob() does more than just execute a bunch of
statements, e. G. it contains if(), loops or something else.

PLPGSQL is turing complete, plain SQL is not.

Markus
-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org