Re: chop off non-meaningful digits

From: "SunWuKung" <Balazs(dot)Klein(at)t-online(dot)hu>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: chop off non-meaningful digits
Date: 2006-11-13 14:07:04
Message-ID: 1163426824.618205.54420@i42g2000cwa.googlegroups.com
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Yep, I think this is it:
select trim(trailing '0.' from 1.020)

Many thanks.
SWK

"A. Kretschmer" wrote:

> am Mon, dem 13.11.2006, um 5:45:44 -0800 mailte SunWuKung folgendes:
> > What would be the easiest way to get back only the meaningful digits of
> > a numeric value in a pgsql function? eg?
> >
> > 1.002 --> 1.002
> > 1.020 --> 1.02
> > 1.200 --> 1.2
> > 1.000 --> 1
>
> You can use trim for this:
>
> test=*> select 1.020 + 0.01;
> ?column?
> ----------
> 1.030
> (1 row)
>
> test=*> select trim(trailing '0' from 1.020 + 0.01);
> rtrim
> -------
> 1.03
> (1 row)
>
>
> Andreas
> --
> Andreas Kretschmer
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