Re: BUG #3475: SQL: 7/2 = 3 - Mailing list pgsql-bugs

On Fri, Jul 20, 2007 at 07:34:59AM +0000, vasile wrote:
>
> The following bug has been logged online:
>
> Bug reference:      3475
> Logged by:          vasile
> Email address:      vasile.halosta@gmail.com
> PostgreSQL version: 8.2.4
> Operating system:   Centos 4.4
> Description:        SQL:  7/2 = 3
> Details:
>
> When you divide 2 int the result is also int, is truncated:
>
> On pgsql:
> pg=# select 7/2;
>  ?column?
> ----------
>         3
> (1 row)
>
>
> I know in c when you have to int operator the result is also int, but I
> think this is not a good idea in SQL.

That's what you get for integer division. If you want a floating point one,
use:

postgres=> select 7::float/2;
 ?column?
----------
      3.5
(1 row)


//Magnus