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What is the difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
When I see the examples on the web, I see them there used kind of interchangeably.
What is the difference between them?
Why would you want to use one over the other?
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Because of the inheritance mentioned above, JpaRepository will have all the functions of CrudRepository and PagingAndSortingRepository . So if you don't need the repository to have the functions provided by JpaRepository and PagingAndSortingRepository , use CrudRepository .
CrudRepository provides CRUD functions. PagingAndSortingRepository provides methods to do pagination and sort records. JpaRepository provides JPA related methods such as flushing the persistence context and delete records in a batch.
CrudRepository extends Repository interface whereas JpaRepository extends PagingAndSortingRepository and QueryByExampleExecutor interface. PagingAndSortingRepository further extends CrudRepository only.
JpaRepository is a JPA (Java Persistence API) specific extension of Repository. It contains the full API of CrudRepository and PagingAndSortingRepository. So it contains API for basic CRUD operations and also API for pagination and sorting.
JpaRepository extends PagingAndSortingRepository which in turn extends CrudRepository.
Their main functions are:
CrudRepository mainly provides CRUD functions.PagingAndSortingRepository provides methods to do pagination and sorting records.JpaRepository provides some JPA-related methods such as flushing the persistence context and deleting records in a batch.Because of the inheritance mentioned above, JpaRepository will have all the functions of CrudRepository and PagingAndSortingRepository. So if you don't need the repository to have the functions provided by JpaRepository and PagingAndSortingRepository , use CrudRepository.
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