SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function arrayProduct (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(61, 29)\'
