SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Function materialize (children 1)
         ExpressionList (children 1)
          Function CAST (children 1)
           ExpressionList (children 2)
            Literal \'{}\'
            Literal \'JSON\'
        Literal \'Dynamic\'
      Literal \'{}\'
