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我有一个身份证:

@Column(name = "device")
@GeneratedValue(strategy = GenerationType.AUTO, generator = "device_gen")
@SequenceGenerator(name = "device_gen", sequenceName = "device_id")
@Id
public Integer id;

SequenceGenerator 将 sequenceName 定义为device_id但尝试保存实体时出现错误:relation "public.device_seq" does not exist

为什么要寻找device_seq而不是device_id

我正在使用 PostgreSQL

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1 回答 1

1
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="device_gen")
于 2012-06-24T13:41:34.593 回答