On Fri, 2007-10-05 at 16:04 +0100, Simon Riggs wrote:
> > select * from c, c as c2 where c.col1 = any (c2.col2)
> That works, thanks. 
> As I said, I already solved the problem a different way. I was looking
> to understand the 3 questions I raised along the way.
> Can you throw any light on those questions?
> 1. Why doesn't the subselect work?

You could do something like:

SELECT * FROM c AS c1, c AS c2 WHERE ARRAY[c1.col1] <@ ANY(SELECT c2.col2);

        Jeff Davis 

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