Hibernate 使用关键字 'as' 为 table 生成 SQL 查询,这在 Oracle 12c 中生成 ORA-00933
Hibernate generates SQL query with keyword 'as' for table, which generates ORA-00933 in Oracle 12c
我有以下代码:
@Stateless
public class UsersStore {
public User getUserByUsernameAndPassword(String username, String password) {
if (username == null || password == null) {
return null;
}
try (Session session = HibernateUtil.getSessionFactoryInstance().openSession()) {
final Query<User> query = session.createQuery(
"select u from User u where u.username = :username and u.password = :password", User.class);
query.setParameter("username", username);
query.setParameter("password", password);
return query.getSingleResult();
}
}
}
@Entity
@Table(name = "HARPIA_USER")
public class User {
@Id
@GeneratedValue
private long id;
@NotNull
private String username;
@NotNull
private String password;
public User(String username, String password) {
super();
this.username = username;
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
上面的代码生成以下 SQL:
select u1_0.id, u1_0.password, u1_0.username from HARPIA_USER as u1_0 where u1_0.username = ? and u1_0.password = ?
此 SQL 生成 ORA-00933: SQL command not properly ended
。原因是,Oracle 不接受 table 的 AS
关键字,至少我的版本是 Oracle 12c。
是否有解决该问题的方法。我可以告诉 hibernate 省略 AS
关键字吗?通过删除,我并不是要删除别名。
休眠版本:6.0.0.Alpha4
默认的 Hibernate 行为不区分大小写,但 Oracle 默认区分大写,因此请尝试以大写形式设置参数
UPD
首先尝试在查询中将 属性 名称更改为大写,但老实说,这实际上取决于您的 Ora 设置
在我将 Hibernate 版本降级到 5.4 后问题解决了。12.Final。
我有以下代码:
@Stateless
public class UsersStore {
public User getUserByUsernameAndPassword(String username, String password) {
if (username == null || password == null) {
return null;
}
try (Session session = HibernateUtil.getSessionFactoryInstance().openSession()) {
final Query<User> query = session.createQuery(
"select u from User u where u.username = :username and u.password = :password", User.class);
query.setParameter("username", username);
query.setParameter("password", password);
return query.getSingleResult();
}
}
}
@Entity
@Table(name = "HARPIA_USER")
public class User {
@Id
@GeneratedValue
private long id;
@NotNull
private String username;
@NotNull
private String password;
public User(String username, String password) {
super();
this.username = username;
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
上面的代码生成以下 SQL:
select u1_0.id, u1_0.password, u1_0.username from HARPIA_USER as u1_0 where u1_0.username = ? and u1_0.password = ?
此 SQL 生成 ORA-00933: SQL command not properly ended
。原因是,Oracle 不接受 table 的 AS
关键字,至少我的版本是 Oracle 12c。
是否有解决该问题的方法。我可以告诉 hibernate 省略 AS
关键字吗?通过删除,我并不是要删除别名。
休眠版本:6.0.0.Alpha4
默认的 Hibernate 行为不区分大小写,但 Oracle 默认区分大写,因此请尝试以大写形式设置参数
UPD
首先尝试在查询中将 属性 名称更改为大写,但老实说,这实际上取决于您的 Ora 设置
在我将 Hibernate 版本降级到 5.4 后问题解决了。12.Final。