Исходный код вики Шаблон транзакции
Версия 13.1 от Alexandr Fokin на 2020/01/24 14:48
Скрыть последних авторов
| author | version | line-number | content |
|---|---|---|---|
 |
5.1 | 1 | |
| |
12.1 | 2 | {{code language="sql"}} |
| |
7.1 | 3 | |
| |
1.1 | 4 | BEGIN TRY |
| |
7.1 | 5 | |
| 6 | BEGIN TRANSACTION | ||
| |
8.1 | 7 | |
| 8 | Формируем заказ | ||
| 9 | ... | ||
| 10 | сформировали заказ | ||
| 11 | |||
| 12 | Вычитаем купленные товары | ||
| |
1.1 | 13 | update Products |
| 14 | Set Count = Count - 1 | ||
| |
7.1 | 15 | Where ID = @ProductID |
| |
6.1 | 16 | |
| |
7.1 | 17 | COMMIT |
| |
6.1 | 18 | |
| |
1.1 | 19 | END TRY |
| 20 | BEGIN CATCH | ||
| 21 | |||
| |
7.1 | 22 | IF @@TRANCOUNT > 0 |
| 23 | BEGIN | ||
| 24 | ROLLBACK TRANSACTION; | ||
| 25 | END; | ||
| |
13.1 | 26 | |
| 27 | THROW | ||
| |
5.1 | 28 | |
| |
1.1 | 29 | END CATCH |
| |
13.1 | 30 | |
| 31 | {{/code}} | ||
| |
6.1 | 32 |