SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function toDate32 (children 1)
     ExpressionList (children 1)
      Literal \'1900-01-01\'
    Function toDate32 (children 1)
     ExpressionList (children 1)
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2000-01-01\'
