On Thu, 13 Sep 2001, Giorgio Volpe wrote:
> May be it's my ignorance about sql ...
> but why cannot i use alias name of a column in a where clause?
>
> # select key as cc from mytable where cc > 0;
> ERROR: Attribute 'cc' not found
Because the select list (the key as cc part) isn't
evaluated until after the where clause determines
which rows to evaluate it for.
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