SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayExcept (alias result) (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'[\\\'premium\\\', \\\'active\\\', \\\'new\\\']\'
        Literal \'Array(LowCardinality(String))\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'[\\\'active\\\']\'
          Literal \'Array(LowCardinality(String))\'
