What is a spring transaction

This article introduces the relevant knowledge of "what is spring transaction". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The inner methods modified by NESTED and REQUIRED are peripheral method transactions, and if the peripheral methods throw an exception, the transactions of both methods will be rolled back. But REQUIRED joins the peripheral method transaction, so it belongs to the same transaction as the peripheral transaction. Once the REQUIRED transaction throws an exception and is rolled back, the peripheral method transaction will also be rolled back. On the other hand, NESTED is a subtransaction of the peripheral method and has a separate save point, so the NESTED method throws an exception and is rolled back without affecting the transaction of the peripheral method.

Both NESTED and REQUIRES_NEW can roll back internal method transactions without affecting peripheral method transactions. But because the NESTED is a nested transaction, after the peripheral method is rolled back, the child transaction as the peripheral method transaction is also rolled back. While REQUIRES_NEW is realized by opening a new transaction, the internal transaction and the peripheral transaction are two transactions, and the rollback of the peripheral transaction will not affect the internal transaction.

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