Question

我正在使用播放2.3并绑定持久化对象，控制台显示查询但数据未插入数据库。

@Entity
@Table(name = "confrence_group")
public class ConfrenceGroup {
    @Id
    @Column(name = "id", length = 50, unique = true, nullable = false, insertable = false, updatable = false)
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    @Constraints.Required
    @Column(columnDefinition = "varchar(25) default ''")
    private String name;

    @Column(columnDefinition = "int default 0")
    private int active = 1;

    @JsonIgnore
    @ManyToOne
    private User user;

    @Formats.DateTime(pattern = "yyyy-MM-dd HH:mm:yy")
    @Column(columnDefinition = "TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP")
    private Date createdTime;

    @Column(unique = true)
    private String uid = (new UniqueToken()).nextSessionId();
}

的persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
             version="2.1">

    <persistence-unit name="defaultPersistenceUnit" transaction-type="RESOURCE_LOCAL">
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
        <non-jta-data-source>DefaultDS</non-jta-data-source>
        <properties>
            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
            <property name="hibernate.hbm2ddl.auto" value="update"/>
            <property name="javax.persistence.sql-load-script-source"
                      value="META-INF/sql/data.sql"/>
        </properties>

    </persistence-unit>

</persistence>

坚持我正在做

JPA.em().persist(confGroupObjectReference)

从记录中我可以看到

insert into confrence_group (active, createdTime, name, uid, user_id) values (1, '[SQL NULL of type 93]', 'akkk', '1474449665379l2urhrti496h0hoplm9cs55srj', 1)

尝试将其更改为原生查询

String sql =＆＃34;插入confrence_group（active，name，uid，user_id）值（？，？，？，？）＆＃ 34 ;;

   try {
        JPA.em().createNativeQuery(sql)
                .setParameter(1, 1)
                .setParameter(2, confo.getName())
                .setParameter(3, confo.getUid())
                .setParameter(4, user_id)
                .executeUpdate();
    } catch (Exception e) {
        e.printStackTrace();
    }

日志

 insert into confrence_group (`active`, `name`, `uid`, `user_id`) values (1, 'akkk', '1474443561160ojedp25m5k01e5k1kc7jg39l6p', 1)

但是对于这两种情况，数据没有插入表中，因为我正在通过我的数据库gui进行检查，也没有例外。代码工作得比较早，但我不知道是什么导致它表现得像这样

有人可以帮忙吗？

编辑：尝试创建新模型，但问题是一样的。

Answer 1

看来你的id生成是由Mysql自动生成的，所以你需要将@GeneratedValue(strategy = GenerationType.AUTO)更改为@GeneratedValue(strategy=GenerationType.IDENTITY)

JPA执行查询但未插入数据

1 个答案: