Extends JpaSpecificationExecutor in Repository as like:.Steps to Generate Dynamic Query In Spring JPA: In the above query, Let assume that our requirement is like if passed employeeId then fetch only that single employee or If pass a NULL value in an employeeId if then it will fetch all the employee but this scenario simple query (as above) will not work in that case we need to generate a dynamic query. As we all know that we can write Spring JPA query and fetch the data as like: em FROM Employee em WHERE em.employeeId = :employeeId")Ä«ut while applying filters, It may require to skips some parameters and based on that fetching the database results, In those cases, we require to generate a dynamic query based on parameters. In this article, We will learn Spring JPA dynamic query example.
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