From: Achilleas Mantzios <achill@matrix.gatewaynet.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Calling functions from within pl/pgsql
Date: Tue, 4 Dec 2007 15:23:04 +0200
Message-ID: <200712041523.05011.achill@matrix.gatewaynet.com> (raw)
In-Reply-To: <162867790712040459s6ee86399h5dac46cc20d95e9f@mail.gmail.com>
References: <200712041416.50322.achill@matrix.gatewaynet.com>
<162867790712040459s6ee86399h5dac46cc20d95e9f@mail.gmail.com>
Στις Tuesday 04 December 2007 14:59:43 ο/η Pavel Stehule έγραψε:
> On 04/12/2007, Achilleas Mantzios <achill@matrix.gatewaynet.com> wrote:
> > I noticed that in pl/pgsql simply
> > result := funcname(func,args,...);
> > just works.
> > Should i rely on it or take it as a coincidence? :)
>
> You found assignment :). Sure, you can use it.
> http://www.postgresql.org/docs/8.2/interactive/plpgsql-statements.html#PLPG
>SQL-STATEMENTS-ASSIGNMENT
Sure, i missed the
"As explained above, the expression in such a statement is evaluated by means
of an SQL SELECT command sent to the main database engine. The expression
must yield a single value."
part.
Thanx.
>
> Regards
> Pavel Stehule
>
> > --
> > Achilleas Mantzios
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 6: explain analyze is your friend
--
Achilleas Mantzios
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Cc: achill@matrix.gatewaynet.com, pavel.stehule@gmail.com
Subject: Re: Calling functions from within pl/pgsql
In-Reply-To: <200712041523.05011.achill@matrix.gatewaynet.com>
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