asterix-app/src/test/resources/runtimets/queries/constructor/add-null.aql

/*
 * Description      :   Add anything plus null, the result should be null.
 * Expected Result  :   Success
 * Date             :   19th July 2012
 */

write output to nc1:"rttest/constructor_add-null.adm";

let $x := 1
let $y := 10
let $z := 20
return ($x+$y+$z+null)