SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal NULL
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal Bool_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal Bool_0
