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即時通訊許多關係的問題。我使用MySQL,與EclipseLink JPA 2。我一直在閱讀很多,並無法弄清爲什麼Join Table永遠不會更新! 我在項目中有更多的Many2many關係正在完美工作,但無法解決這個問題。任何1可以告訴我哪個錯誤是?Many2Many Relathionship。映射錯誤?
Expediente.java
@JoinTable(name = "expediente_tiene_partepolicial", joinColumns = {
@JoinColumn(name = "PK_IdDelicuente", referencedColumnName = "PK_IdDelicuente")}, inverseJoinColumns = { @JoinColumn(name = "PK_CodParte", referencedColumnName = "PK_CodParte")})
@ManyToMany
private List<PartePolicial> partePolicialList;
PartePolcial.java
@ManyToMany(mappedBy = "partePolicialList")
private List<Expediente> expedienteList;
您可以添加演示如何添加到關係的代碼嗎? –