| From: | Karel Zak <zakkr(at)zf(dot)jcu(dot)cz> |
|---|---|
| To: | Oliver Elphick <olly(at)lfix(dot)co(dot)uk> |
| Cc: | jkakar(at)expressus(dot)com, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: How to trim values? |
| Date: | 2000-12-30 10:34:19 |
| Message-ID: | Pine.LNX.3.96.1001230113338.19982D-100000@ara.zf.jcu.cz |
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| Thread: | |
| Lists: | pgsql-sql |
On Thu, 28 Dec 2000, Oliver Elphick wrote:
> jkakar(at)expressus(dot)com wrote:
> >Hi,
> >
> >I'm trying to figure out how to take a value like 3.68009074974387
> >(that is calculated from values in my database) and have PostgreSQL
> >hand me 3.68. Any suggestions would be appreciated.
>
> cast it to numeric(x,2)
>
> (where x is the total number of digits, and 2 is two decimal places).
>
> template1=# select 3.68009074974387::numeric(3,2);
> ?column?
> ----------
> 3.68
> (1 row)
>
> or use round(value,2)
>
>
> template1=# select round(3.68009074974387, 2);
> round
> -------
> 3.68
> (1 row)
or
test=# select to_char(3.68009074974387, '99.99');
to_char
---------
3.68
(1 row)
Karel
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