相关疑难解决方法(0)

我有一个依赖的Spring Boot应用程序spring-boot-starter-data-jpa.我的实体类有一个带有列名的列注释.例如:

@Column(name="TestName")
private String testName;

由此生成的SQL创建test_name为列名.在寻找解决方案后,我发现spring.jpa.hibernate.naming_strategy=org.hibernate.cfg.EJB3NamingStrategy解决了问题(列名取自列注释).

不过,我的问题是为什么没有设置为EJB3NamingStrategyJPA的naming_strategy 忽略列注释？也许hibernate方言与它有关？我正在连接到MS SQL 2014 Express,我的日志包含:

Unknown Microsoft SQL Server major version [12] using SQL Server 2000 dialect
Using dialect: org.hibernate.dialect.SQLServerDialect 

我有简单的spring-jpa配置,我配置了Hibernate ImprovedNamingStrategy.这意味着如果我的实体类有一个变量userName,那么Hibernate应该将它转换user_name为查询数据库.但是在我升级到Hibernate 5后,这个命名转换停止了工作.我收到错误:

错误:"字段列表"中的未知列'user0_.userName'

这是我的Hibernate配置:

@Configuration
@EnableJpaRepositories("com.springJpa.repository")
@EnableTransactionManagement
public class DataConfig {

    @Bean
    public DataSource dataSource(){
        DriverManagerDataSource ds = new DriverManagerDataSource();
        ds.setDriverClassName("com.mysql.jdbc.Driver");
        ds.setUrl("jdbc:mysql://localhost:3306/test");
        ds.setUsername("root");
        ds.setPassword("admin");
        return ds;
    }


    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(){ 

        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        vendorAdapter.setShowSql(Boolean.TRUE);
        vendorAdapter.setDatabase(Database.MYSQL);

        LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(vendorAdapter);
        factory.setDataSource(dataSource());
        factory.setPackagesToScan("com.springJpa.entity");


        Properties jpaProperties = new Properties();

        jpaProperties.put("hibernate.ejb.naming_strategy","org.hibernate.cfg.ImprovedNamingStrategy");
        jpaProperties.put("hibernate.dialect","org.hibernate.dialect.MySQL5InnoDBDialect");

        factory.setJpaProperties(jpaProperties);
        factory.afterPropertiesSet();
        return factory;
    }

    @Bean
    public SharedEntityManagerBean entityManager() {
        SharedEntityManagerBean entityManager = new SharedEntityManagerBean();
        entityManager.setEntityManagerFactory(entityManagerFactory().getObject());
        return entityManager;
    }



    @Bean
    public …