On 10/14/2012 6:34 AM, John English wrote:
On 14/10/2012 14:45, José Ventura wrote:
I might be mistaken, but I think Derby does not support this
out-of-the-box. There are, however, a few interesting solutions
suggested in this (2009) thread:
http://old.nabble.com/Recursive-query-on-common-table-td25819772.html
Thanks! I'm now in the process or recursively trying to construct the
transitive closure of all the possible approaches that this page links
to... :-)
Doesn't help right now, but you may also wish to vote for
https://issues.apache.org/jira/browse/DERBY-11. This was an early
request but I think pretty hard to implement and I am not sure if there
is a SQL standard syntax.
