From: | rudolf <stu3(dot)1(at)eq(dot)cz> |
---|---|
To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Cc: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, pgsql-docs <pgsql-docs(at)postgresql(dot)org> |
Subject: | Re: "format" function documentation fix |
Date: | 2013-09-20 08:05:02 |
Message-ID: | 523C01AE.5020306@eq.cz |
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Thread: | |
Lists: | pgsql-docs |
(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.
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