SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function stringJaccardIndexUTF8 (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'hello\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'Hel\'
