[XQZone General] trick for dynamically setting a sort to
travis at raybold.com
Mon Nov 28 17:36:01 PST 2005
in case this helps anyone... i found a cute little trick for sorting
ascending and descending conditionally...
just sort by two values, the first one being the actual value if the
order type is ascending and 1 otherwise (to ensure it doesn't do any
actual sorting) and the second being a descending sort of the value if
the sort type is descending, and 1 otherwise.
let $orderBy := "name"
let $orderDirection := "descending"
for $i in $nodes
if ($orderDirection = "ascending") then $i/*[name()=$orderBy] else 1,
if ($orderDirection = "descending") then $i/*[name()=$orderBy] else 1
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