From: Bruno Wolff III <bruno@wolff.to>
To: Yasir Malik <ymalik@cs.stevens-tech.edu>
Cc: John DeSoi <jd@icx.net>
Cc: PostgreSQL <pgsql-sql@postgresql.org>
Subject: Re: Object-relational features
Date: Mon, 15 Mar 2004 09:07:39 -0600
Message-ID: <20040315150739.GA26968@wolff.to> (raw)
In-Reply-To: <Pine.NEB.4.58.0403150902200.19035@dab.cs.stevens-tech.edu>
References: <Pine.NEB.4.58.0403131226530.13162@dab.cs.stevens-tech.edu>
<B21C3062-7684-11D8-A24F-000A95B03262@icx.net>
<Pine.NEB.4.58.0403150902200.19035@dab.cs.stevens-tech.edu>
On Mon, Mar 15, 2004 at 09:06:39 -0500,
Yasir Malik <ymalik@cs.stevens-tech.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.
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, ymalik@cs.stevens-tech.edu, jd@icx.net
Subject: Re: Object-relational features
In-Reply-To: <20040315150739.GA26968@wolff.to>
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