SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function hasSubsequenceCaseInsensitive (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'garbage\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'ARG\'
