Re: Why length(to_char(1::integer, '9')) = 2 ?

From: Dmitriy Igrishin <dmitigr(at)gmail(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Why length(to_char(1::integer, '9')) = 2 ?
Date: 2011-03-09 13:26:17
Message-ID: AANLkTimg+nxacxBpyc=iVSaGPro1iYCTxQRN=D9+eiGb@mail.gmail.com
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2011/3/9 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>

> 2011/3/9 Dmitriy Igrishin <dmitigr(at)gmail(dot)com>:
> > Hey all,
> >
> > dmitigr=> select to_char(1, '9');
> > to_char
> > ---------
> > 1
> >
> > dmitigr=> select length(to_char(1, '9'));
> > length
> > --------
> > 2
> >
> > Why to_char() includes preceding blank space in the result ?
>
> it is compatibility with Oracle?
>
Do you mean the case of MI ?
So, is this leading space reserved for a sign of number by default ?

>
> Regards
>
> Pavel
>
> >
> > --
> > // Dmitriy.
> >
> >
> >
>

--
// Dmitriy.

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