On 6/13/07, James Smith <[EMAIL PROTECTED]> wrote:
> > AND ProductGroupID = CASE WHEN @productgroupid > 0 THEN
> > @productgroupid ELSE ProductGroupID END
>
> This is the simplest to read but has a drawback, it the stored
> ProductGroupID is null then the statement becomes AND ProductGroupID =
> ProductGroupID and for some reason NULL does not equal NULL so the row isn't
> returned, is there a workaround for this?
>

 AND COALESCE(ProductGroupID,0) = CASE WHEN @productgroupid > 0 THEN
@productgroupid ELSE COALESCE(ProductGroupID,0) END

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