Исходный код вики Шаблон транзакции
Версия 9.1 от Alexandr Fokin на 2020/01/24 14:47
Скрыть последних авторов
| author | version | line-number | content |
|---|---|---|---|
 |
5.1 | 1 | |
| |
9.1 | 2 | {{code language="java"}} |
| 3 | System.out.println("Hello World!"); | ||
| 4 | {{/code} | ||
| |
7.1 | 5 | |
| |
9.1 | 6 | |
| |
1.1 | 7 | BEGIN TRY |
| |
7.1 | 8 | |
| 9 | BEGIN TRANSACTION | ||
| |
8.1 | 10 | |
| 11 | Формируем заказ | ||
| 12 | ... | ||
| 13 | сформировали заказ | ||
| 14 | |||
| 15 | Вычитаем купленные товары | ||
| |
1.1 | 16 | update Products |
| 17 | Set Count = Count - 1 | ||
| |
7.1 | 18 | Where ID = @ProductID |
| |
6.1 | 19 | |
| |
7.1 | 20 | COMMIT |
| |
6.1 | 21 | |
| |
1.1 | 22 | END TRY |
| 23 | BEGIN CATCH | ||
| 24 | |||
| |
7.1 | 25 | IF @@TRANCOUNT > 0 |
| 26 | BEGIN | ||
| 27 | ROLLBACK TRANSACTION; | ||
| 28 | END; | ||
| |
1.1 | 29 | |
| 30 | THROW | ||
| |
5.1 | 31 | |
| |
1.1 | 32 | END CATCH |
| |
6.1 | 33 |