Brad Symons wrote:
Try

@result = Resulttypes( :all, :conditions => ['id in ( select result_id 
from outcomes o1 where o1.outcome_date = (select max(o2.outcome_date) 
from outcomes o2 where o2.testcase_id = o1.testcase_id and 
o1.testcase_id =\'1\'))']

This should work, I am doing seomthing similiar only I am say 'NOT IN.'
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