On Thu, Nov 08, 2007 at 09:35:19PM +0100, Thomas H. wrote:
> i was writing the query below containing a subquery. by mistake, i 
> referenced a field from the main table in the subquery, leading to a 
> very strange (but working??) result. the planner announced a insanely 
> high startup cost, but the query itself finished pretty quickly.

Pick up any SQL book and read up on correlated subqueries.

Have a nice day,
-- 
Martijn van Oosterhout   <[EMAIL PROTECTED]>   http://svana.org/kleptog/
> Those who make peaceful revolution impossible will make violent revolution 
> inevitable.
>  -- John F Kennedy

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