Re: Object-relational features

From: Bruno Wolff III <bruno(at)wolff(dot)to>
To: Yasir Malik <ymalik(at)cs(dot)stevens-tech(dot)edu>
Cc: John DeSoi <jd(at)icx(dot)net>, PostgreSQL <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Object-relational features
Date: 2004-03-15 15:07:39
Message-ID: 20040315150739.GA26968@wolff.to
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

On Mon, Mar 15, 2004 at 09:06:39 -0500,
Yasir Malik <ymalik(at)cs(dot)stevens-tech(dot)edu> wrote:
> Dr. DeSoi
> Thanks for your reply.
> What is an "immutable strict" and what is an "internal" language?

"immutable" means the function will ALWAYS return the same value when
called with the same arguments. "strict" means that the function will
return NULL if any of its arguments are NULL.

In response to

Browse pgsql-sql by date

  From Date Subject
Next Message Stephan Szabo 2004-03-15 15:13:42 Re: Object-relational features
Previous Message Yasir Malik 2004-03-15 14:06:39 Re: Object-relational features