Spring/spring-data-relational
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Original pull request #1166
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Jens Schauder
2022-02-15 11:36:01 +01:00
parent f7887f8626
commit 1456788d77
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src/main/asciidoc/jdbc.adoc
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@@ -1050,7 +1050,11 @@ If you have multiple implementations registered in the `ApplicationContext`, you
[[jdbc.locking]]
== JDBC Locking
Spring Data JDBC currently supports locking on derived query methods. To enable locking on a given derived query method inside a repository, you just need to add the `@Lock` annotation above it.
Spring Data JDBC supports locking on derived query methods.
To enable locking on a given derived query method inside a repository, you annotate it with `@Lock`.
The required value of type `LockMode` offers two values: `PESSIMISTIC_READ` which guarantees that the data you are reading doesn't get modified and `PESSIMISTIC_WRITE` which obtains a lock to modify the data.
Some databases do not make this distinction.
In that cases both modes are equivalent of `PESSIMISTIC_WRITE`.
.Using @Lock on derived query method
====