Subject: Re: ORDER BY handling mixed integer and varchar values
From: Ragnar =?ISO-8859-1?Q?Hafsta=F0?= <gnari@simnet.is>
To: David B <davidb999@gmail.com>
Cc: pgsql-sql@postgresql.org
In-Reply-To: <c76ea21c050516114742818cfa@mail.gmail.com>
References: <c76ea21c050516114742818cfa@mail.gmail.com>
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Date: Mon, 16 May 2005 19:32:40 +0000
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On Mon, 2005-05-16 at 11:47 -0700, David B wrote:

(sorting text columns numerically)
 
> And of course I get stuff ordered as I want it.
> BUT… with many product categories being numeric based they come out in
> wrong order   '10 comes before 2" etc.
> 
> So I tried
> Select product_desc, product_price, product_cat
> Order by cast(product_cat as integer), product_price
> 
> And that worked for the numberic based categories.
> 
> I don't know of a query will be across alpha or numeric categories.
> Is there any elegent query you folks can think of that combines the
> two so I can one query that has alpha sorting on alpha categories and
> numeric sorting on numeric values that are in the same column??

select product_desc, product_price, product_cat
  order by cast(product_cat as integer), product_cat, product_price

gnari