Use jpa annotations insert a record, you can return to a specified field?

CodePudding user response:

Can't, can only return void or int/Integer

CodePudding user response:

Such as the following definition

 
Public interface UserRepository extends JpaRepository {
@ Modifying 
@ Query (value="HTTP://https://bbs.csdn.net/topics/INSERT INTO user (username, age, address) VALUES (?,?,?,?,? 1,? 2.? 3) ", nativeQuery=true) 
The User insertUser (String username, int the age, the String address); 
} 

When using an error

 

Org. Springframework. Dao. InvalidDataAccessApiUsageException: Modifying the queries can only use void or int/Integer as the return type. ; Nested exception is Java. Lang. IllegalArgumentException: Modifying the queries can only use void or int/Integer as the return type. 

The at org. Springframework. Orm. Jpa. EntityManagerFactoryUtils. ConvertJpaAccessExceptionIfPossible (EntityManagerFactoryUtils. Java: 374) 
The at org. Springframework. Orm. Jpa. Vendor. HibernateJpaDialect. TranslateExceptionIfPossible (HibernateJpaDialect. Java: 257) 
The at org. Springframework. Orm. Jpa. AbstractEntityManagerFactoryBean. TranslateExceptionIfPossible (AbstractEntityManagerFactoryBean. Java: 528) 
The at org. Springframework. Dao. Support. ChainedPersistenceExceptionTranslator. TranslateExceptionIfPossible (ChainedPersistenceExceptionTranslator. Java: 61) 
The at org. Springframework. Dao. Support. DataAccessUtils. TranslateIfNecessary (DataAccessUtils. Java: 242) 
The at org. Springframework. Dao. Support. PersistenceExceptionTranslationInterceptor. Invoke (PersistenceExceptionTranslationInterceptor. Java: 153) 
The at org. Springframework. Aop. Framework. ReflectiveMethodInvocation. Proceed (ReflectiveMethodInvocation. Java: 186) 
The at org. Springframework. Data. Jpa. Repository. Support. CrudMethodMetadataPostProcessor $CrudMethodMetadataPopulatingMethodInterceptor. Invoke (CrudMethodMetadataPostProcessor. Java: 149) 
The at org. Springframework. Aop. Framework. ReflectiveMethodInvocation. Proceed (ReflectiveMethodInvocation. Java: 186) 
The at org. Springframework. Aop. Interceptor. ExposeInvocationInterceptor. Invoke (ExposeInvocationInterceptor. Java: 95) 
The at org. Springframework. Aop. Framework. ReflectiveMethodInvocation. Proceed (ReflectiveMethodInvocation. Java: 186) 
The at org. Springframework. Aop. Framework. JdkDynamicAopProxy. Invoke (JdkDynamicAopProxy. Java: 212) 
At com. Sun. Proxy. $Proxy115. InsertUser (Unknown Source) 
At sun. Reflect. NativeMethodAccessorImpl. Invoke0 (Native Method) 
At sun. Reflect. NativeMethodAccessorImpl. Invoke (NativeMethodAccessorImpl. Java: 62) 
At sun. Reflect. DelegatingMethodAccessorImpl. Invoke (43) DelegatingMethodAccessorImpl. Java: 
The at Java. Lang. Reflect. Method. Invoke (498) Method. The Java: 
The at org. Springframework. Aop. Support. AopUtils. InvokeJoinpointUsingReflection (AopUtils. Java: 344) 
The at org. Springframework. Aop. Framework. JdkDynamicAopProxy. Invoke (JdkDynamicAopProxy. Java: 205) 
At com. Sun. Proxy. $Proxy118. InsertUser (Unknown Source) 
At com. Example. Demo. Domain. UserRepositoryTest. InsertUser (UserRepositoryTest. Java: 26) 
At sun. Reflect. NativeMethodAccessorImpl. Invoke0 (Native Method) 
At sun. Reflect. NativeMethodAccessorImpl. Invoke (NativeMethodAccessorImpl. Java: 62) 
At sun. Reflect. DelegatingMethodAccessorImpl. Invoke (43) DelegatingMethodAccessorImpl. Java: 
The at Java. Lang. Reflect. Method. Invoke (498) Method. The Java: 
The at org. Junit. Runners. Model. FrameworkMethod $1. RunReflectiveCall (FrameworkMethod. Java: 59) 
The at org. Junit. Internal. Runners. Model. ReflectiveCallable. Run (ReflectiveCallable. Java: 12) 
The at org. Junit. Runners. Model. FrameworkMethod. InvokeExplosively (FrameworkMethod. Java: 56) 
The at org. Junit. Internal. Runners. Statements. InvokeMethod. Evaluate (InvokeMethod. Java: 17) 
The at org. Springframework. Test. The context. Takeup. Statements. RunBeforeTestExecutionCallbacks. Evaluate (RunBeforeTestExecutionCallbacks. Java: 74) 
The at org. Springframework. Test. The context. Takeup. Statements. RunAfterTestExecutionCallbacks. Evaluate (RunAfterTestExecutionCallbacks. Java: 84) 
The at org. Springframework. Test. The context. Takeup. Statements. RunBeforeTestMethodCallbacks. Evaluate (RunBeforeTestMethodCallbacks. Java: 75) 
The at org. Springframework. Test. The context. Takeup. Statements. RunAfterTestMethodCallbacks. Evaluate (RunAfterTestMethodCallbacks. Java: 86) 
The at org. Springframework. Test. The context. Takeup. Statements. SpringRepeat. Evaluate (SpringRepeat. Java: 84) 
The at org. Junit. Runners. ParentRunner. RunLeaf (ParentRunner. Java: 366) 
The at org. Springframework. Test. The context. Takeup. SpringJUnit4ClassRunner. RunChild (SpringJUnit4ClassRunner. Java: 251) 
The at org. Springframework. Test. The context. Takeup. SpringJUnit4ClassRunner. RunChild (SpringJUnit4ClassRunner. Java: 97) 
At org. Junit. Runners. ParentRunner $4. The run (331) ParentRunner. Java: 
The at org. Junit. Runners. ParentRunner $1. The schedule (ParentRunner. Java: 79) 
The at org. Junit. Runners. ParentRunner. RunChildren (ParentRunner. Java: 329) 
The at org. Junit. Runners. ParentRunner. Access the $100 (66) ParentRunner. Java: 
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