Исходный код вики Шаблон транзакции
Версия 8.1 от Alexandr Fokin на 2020/01/24 14:37
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| author | version | line-number | content |
|---|---|---|---|
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5.1 | 1 | |
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7.1 | 2 | |
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1.1 | 3 | BEGIN TRY |
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7.1 | 4 | |
| 5 | BEGIN TRANSACTION | ||
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8.1 | 6 | |
| 7 | Формируем заказ | ||
| 8 | ... | ||
| 9 | сформировали заказ | ||
| 10 | |||
| 11 | Вычитаем купленные товары | ||
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1.1 | 12 | update Products |
| 13 | Set Count = Count - 1 | ||
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7.1 | 14 | Where ID = @ProductID |
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6.1 | 15 | |
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7.1 | 16 | COMMIT |
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6.1 | 17 | |
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1.1 | 18 | END TRY |
| 19 | BEGIN CATCH | ||
| 20 | |||
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7.1 | 21 | IF @@TRANCOUNT > 0 |
| 22 | BEGIN | ||
| 23 | ROLLBACK TRANSACTION; | ||
| 24 | END; | ||
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1.1 | 25 | |
| 26 | THROW | ||
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5.1 | 27 | |
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1.1 | 28 | END CATCH |
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6.1 | 29 |