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); Regards, Jeff Davis ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings