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(: insert-start :)
declare variable $input-context1 external;
declare variable $input-context2 external;
(: insert-end :)
<result>
{
for $highbid in $input-context1//bid_tuple,
$user in $input-context2//user_tuple
where $user/userid = $highbid/userid
and $highbid/bid = max($input-context1//bid_tuple[itemno=$highbid/itemno]/bid)
order by exactly-one($highbid/itemno)
return
<high_bid>
{ $highbid/itemno }
{ $highbid/bid }
<bidder>{ $user/name/text() }</bidder>
</high_bid>
}
</result>
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