On 2/12/07, Bill Moseley <[EMAIL PROTECTED]> wrote:

Also, the Nested Sets seem to solve problems I don't have -- such as
finding all descendants of a given node.


you can also check different way.
i described it here:
http://www.depesz.com/various/various-sqltrees-implementation.php
it is in polish, but it's full of examples and should be readable even for
somebody with 0 knowledge of polish.
basically - this is extension of adjacency list which allows all kinds of
access without recursive queries.

in case you'd have questions with this - please do not hesitate to ask,

best regards,

depesz

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