Re: Changing Data Types

More like column::datatype , but you get the idea yes.

On Mon, 7 Sep 2015 at 11:34 Mike Frost <m_frost2010(at)hotmail(dot)com> wrote:

> thanks man!
>
> so the syntax in [fielname]::[datatype]?
> ------------------------------
> From: thom(at)linux(dot)com
> Date: Mon, 7 Sep 2015 11:27:46 +0100
> Subject: Re: [NOVICE] Changing Data Types
> To: m_frost2010(at)hotmail(dot)com
> CC: tgl(at)sss(dot)pgh(dot)pa(dot)us; pgsql-novice(at)postgresql(dot)org
>
>
> On 7 September 2015 at 11:20, Mike Frost <m_frost2010(at)hotmail(dot)com> wrote:
>
> Hi All,
>
> This REALLY is a novice question
>
> I'm writing a simple query where i need to return [Field A]/[Field B] so
> i can express [Field A] as a percentage
>
> Both of these fields are BigInts, so i always get 0
>
> What do i need to do to the data types in my query to enable decimal
> places?
>
>
> You can cast at least one of them to numeric:
>
> postgres=# SELECT 7::int / 10::int;
> ?column?
> ----------
> 0
> (1 row)
>
> postgres=# SELECT 7::numeric / 10::int;
> ?column?
> ------------------------
> 0.70000000000000000000
> (1 row)
>
> Thom
>