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Re: Correlated Subquery and calculated column non-functional


  • From: Raymond O'Donnell <rod(at)iol(dot)ie>
  • To: The Frog <mr(dot)frog(dot)to(dot)you(at)googlemail(dot)com>
  • Cc: pgsql-general(at)postgresql(dot)org
  • Subject: Re: Correlated Subquery and calculated column non-functional
  • Date: Fri, 30 Oct 2009 17:42:56 +0000
  • Message-id: <4AEB25A0.30407@iol.ie> <text/plain>

On 30/10/2009 10:07, The Frog wrote:
> select
> 	product.manufacturer,
> 	product.brand,
> 	SUM(sales.qtysold * sales.unitprice) as turnover,
> 	(select count(*) from cube_sales.sales as Q WHERE SUM(sales.qtysold *
> sales.unitprice) > turnover) + 1 as rank

You can't use the alias "turnover" in the calculation as you have - you
need to use the full expression instead, or push the calculation into a
subquery.

BTW you're also missing a closing parenthesis from that calculation.

Ray.

-- 
Raymond O'Donnell :: Galway :: Ireland
rod(at)iol(dot)ie



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