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当主列具有自动增量时,我在通过 Hibernate 将数据插入 Postgresql 时遇到问题。我也在这个论坛上浏览过多个帖子,但找不到适合我的解决方案。

我的表和序列在“apiprofile”模式中定义。当我运行代码时,找不到序列名称。即使我用 schema.sequence 提到它,它仍然不起作用。

任何帮助表示赞赏。

以下是我面临的代码片段和异常。

序列和表格:

CREATE SEQUENCE apiprofile.login_session_id_seq;

CREATE TABLE apiprofile.login_session (
  id bigint NOT NULL DEFAULT nextval('apiprofile.login_session_id_seq'),
  username varchar(255) NOT NULL,
  token varchar(500) NOT NULL,
  active_ind boolean NOT NULL,
  login_time timestamp NOT NULL,
  PRIMARY KEY (id)
);

豆文件

public class LoginSession {

@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "session_generator")
@SequenceGenerator(name="session_generator", sequenceName = "apiprofile.login_session_id_seq", schema = "apiprofile", allocationSize=1) 
@Column(name="id", updatable = false, nullable = false)
private Integer id;

插入操作

LoginSession session = new LoginSession();
session.setUsername(userName);
session.setToken(token);
session.setActive(true);
session.setLoginTime(new Timestamp(System.currentTimeMillis()));
getSession().saveOrUpdate(session);

例外

Hibernate: 
    select
        next_val as id_val 
    from
        login_session_id_seq for update

could not read a hi value
org.postgresql.util.PSQLException: ERROR: relation "login_session_id_seq" does not exist
  Position: 32
    at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2103) ~[postgresql-9.1-901-1.jdbc4.jar:?]
    at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1836) ~[postgresql-9.1-901-1.jdbc4.jar:?]
    at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257) ~[postgresql-9.1-901-1.jdbc4.jar:?]
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