Re: Plpsql vs. SQL functions

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Alex Pilosov <alex(at)pilosoft(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Plpsql vs. SQL functions
Date: 2000-05-24 02:30:53
Message-ID: 200005240230.WAA09506@candle.pha.pa.us
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> On Tue, 23 May 2000, Bruce Momjian wrote:
>
> > Is there a reason to keep SQL functions now that we have PL/PgSQL,
> > except for backward compatibility? What do SQL functions do that can
> > not be done in PLpgSQL? Are they faster?
>
> SQL function can return a new tuple. To my knowledge, PLpgSQL cannot.
> I hope someone can prove me wrong ;)

Maybe. I know SQL can return multiple tuples.

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