return_code = @db.synchronize do |conn|
  stmnt = conn.prepareCall('{ ? = call dbo.sp_sequel_test() }')
  stmnt.registerOutParameter(1, java::sql::Types::INTEGER)
  stmnt.execute
  # output parameters have not yet been processed, must call getMoreResults() first.
  stmnt.getMoreResults
  stmnt.getInt(1)
end