Message-ID: <523C01AE.5020306@eq.cz>
Date: Fri, 20 Sep 2013 10:05:02 +0200
From: rudolf <stu3.1@eq.cz>
User-Agent: Mozilla/5.0 (X11; NetBSD amd64;
 rv:19.0) Gecko/20100101 Firefox/19.0 SeaMonkey/2.16
MIME-Version: 1.0
To: Pavel Stehule <pavel.stehule@gmail.com>
CC: Dean Rasheed <dean.a.rasheed@gmail.com>,
 pgsql-docs <pgsql-docs@postgresql.org>
Subject: Re: "format" function documentation fix
References: <52341E55.5020106@eq.cz>
 <CAEZATCWTBwgMA-Nr1UL=r06Zc0n27n2dnRiK1P-Ontc=B=OFVw@mail.gmail.com>
 <52381A40.9080900@eq.cz>
 <CAFj8pRD3cR3qEb_2gQ2T20DThP7w8SFwxyBmT91SxSHbAG_SVA@mail.gmail.com>
In-Reply-To: 
 <CAFj8pRD3cR3qEb_2gQ2T20DThP7w8SFwxyBmT91SxSHbAG_SVA@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk
Sender: pgsql-docs-owner@postgresql.org

(Please CC me the reply, since I'm not subscribed to the list.)

Pavel Stehule wrote:
> 2013/9/17 rudolf
>     Dean Rasheed wrote:
[...]
>         This applies even if the "-" flag is also specified. So the last
>         example is meant to illustrate that 2 minuses don't make a plus
>         here.
>
>     That's very unusual, IMO. This behavior follows some SQL standard or
>     is it an invention of PostgreSQL?
>
> this is postgresql feature - standard doesn't support any similar
> functionality - and printf is some like developer Esperanto. We
> significantly reduced complexity of printf function and we modified
> basic rules for usage in SQL, but some very typical rules - like format
> placeholders, we share - we don't introduce own rules there.

Yes, as I already wrote to Dean (and forgot to cc the list), you are 
right, the behavior is correct. Thanks for the explanation!

Kind regards,

r.


-- 
Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-docs