SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier color
    Function toDateTime (alias second) (children 1)
     ExpressionList (children 1)
      Identifier timestamp
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier order_test1
   ExpressionList (children 2)
    Identifier color
    Identifier second
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier color
    OrderByElement (children 1)
     Identifier second
