SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function array (children 1)
       ExpressionList (children 2)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'1.2\'
          Literal \'Decimal(60, 30)\'
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal \'3.45\'
          Literal \'Decimal(3, 2)\'
