macromedia.coldfusion.cfml_general_discussion
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Re: problem using DISTINCT

Subject: Re: problem using DISTINCT
From: GArlington
Date: Thu, 16 Aug 2007 08:51:24 -0700
Newsgroups: macromedia.coldfusion.cfml_general_discussion
On 16 Aug, 16:39, "brianism" <[email protected]> wrote:
> Hello,
>  Wondering if someone could guide me in the right direction. I have a query
> searching a database that I would like to return non-duplicate results.
> Problem is I keep getting duplicates. This is what I do:
>
>  <cfquery name="getstroke" datasource="mydb">
>  SELECT DISTINCT max_stroke_mm, wh_standard FROM presses WHERE model_head LIKE
> '#headmodel#%' ORDER BY wh_standard
>  </cfquery>
>
>  This searches the database to find all of the results that have the same
> model_head.  Then it spits out the variable max_stroke_mm,  and then it checks
> the field to see if wh_standard is true or not and displays it in green.
>
>  <select style="padding:0px;margin:0px;" name="max_stroke_mm">
>             <cfoutput query="getstroke">
>
>                    <option <cfif wh_standard EQ "yes">style="background-color:
> 00FF00"</cfif> value="#max_stroke_mm#">#max_stroke_mm# mm (standard)</option>
>              </cfoutput>
>           </select>
>
>  My problem is I am getting duplicates results that I do not want like this:
>
>  100 mm
>  100 mm (standard)
>  200 mm
>  200 mm (standard)
>  300 mm
>  400 mm
>
>  What I need is if it is standard to show once and not show the non-standard
> variable.  I know it is pulling it out twice because it sees  one result with
> #wh_standard# containing something and one result without.  Anyone know a way
> around this?

Where do you see the duplicates? Do not think like a human, think what
a computer can do... There are NO duplicated entries in your output.


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