Re: Does PostgreSQL support job?

From: Markus Schaber <schabi(at)logix-tt(dot)com>
To: Daniel Caune <daniel(dot)caune(at)ubisoft(dot)com>
Cc: Owen Jacobson <ojacobson(at)osl(dot)com>, pgsql-sql(at)postgresql(dot)org
Subject: Re: Does PostgreSQL support job?
Date: 2006-02-02 14:16:45
Message-ID: 43E2144D.4030901@logix-tt.com
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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

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