SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function CAST (alias color) (children 1)
     ExpressionList (children 2)
      Identifier color
      Literal \'String\'
    Identifier timestamp
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier order_test1
   ExpressionList (children 2)
    Identifier color
    Identifier timestamp
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier color
    OrderByElement (children 1)
     Identifier timestamp
