Re: Assignments in PL/pgSQL

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: "Michael Paesold" <mpaesold(at)gmx(dot)at>, <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Assignments in PL/pgSQL
Date: 2002-09-13 17:51:41
Message-ID: 200209131051.41556.josh@agliodbs.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql


Michael,

> although this is not really SQL, but PL/pgSQL, I hope this is the right
> place to ask.

This is the right place.

> I have written a complex triggers. It works very well. Just now I have
> realized that I have used the = operater for variable assignments, instead
> of the := operater. To my suprise, there was no error or warning, and the
> store procedure works very well!
>
> e.g.
> NEW.someval = rec.someother;
> works as well as
> NEW.someval := rec.someother;
>
> Can you confirm that both are valid? Can someone explain this?
> And is it safe to use the former syntax?

I'm very surprised, too. The "=" syntax is not per spec; my guess is,
somebody coded in compatibility for DB conversion purposes and left it there.
Jan? Tom?

--
-Josh Berkus
Aglio Database Solutions
San Francisco

In response to

Responses

Browse pgsql-sql by date

  From Date Subject
Next Message Jan Wieck 2002-09-13 18:04:35 Re: Assignments in PL/pgSQL
Previous Message Andrew Perrin 2002-09-13 15:45:10 Re: LIMIT within UNION?