SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function CAST (alias x) (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2000-01-01\'
      Literal \'DateTime64(5, \\\'UTC\\\')\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier x
