[英]hibernate query not working in java spring
我有此代碼,並且工作正常
Registration person = (Registration) session.get(Registration.class, 8);
person.setConfirmed(true);
session.save(person);
但這不起作用,表示映射錯誤
String query = "FROM registration WHERE user_id = 8";
Query query2 = session.createQuery(query);
Registration person = (Registration) query2.uniqueResult();
person.setConfirmed(true);
session.save(person);
這是我的注冊課程
@Column(name = "user_id")
public Integer getUserId() {
return userId;
}
由於您使用的是非本地查詢語言,因此可能需要類似
String query = "FROM Registration WHERE userId = 8";
@Pasha,以下代碼是一個SQL查詢而不是HQL查詢。
String query = "FROM registration WHERE user_id = 8";
Query query2 = session.createQuery(query);
如果必須運行SQL查詢,請改用以下命令:
String query = "FROM registration WHERE user_id = 8";
Query query2 = session.createSQLQuery(query);
query2.executeUpdate();
要將注冊查詢轉換為HQL查詢,請假設Registration類具有userId字段:
String query = "FROM registration WHERE userId = 8";
Query query2 = session.createQuery(query);
query2.executeUpdate();
有關完整的示例,請參見以下指南: http : //krams915.blogspot.com/2011/03/spring-hibernate-one-to-many.html
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