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Hibernate在本文後面的代碼中創建空的「ID」列。刪除休眠中複合鍵的冗餘列
如何調整它以不創建「ID」列(「ID」是創建列的確切名稱),或者這是無法更改的?
@Entity
@Table(name = "CATEGORY_RELATIONS")
public class CategoryRelations implements Serializable {
private CategoryRelationsPrimaryKey id;
@Id
@Column(name = "CATEGORY_RELATIONS_CATEGORY_ID")
private String categoryId;
@Id
@Column(name = "CATEGORY_RELATIONS_PARENT_ID")
private String parentId;
//getters and setters
@Entity
@IdClass(CategoryRelationsPrimaryKey.class)
public class CategoryRelationsPrimaryKey implements Serializable {
protected long categoryId;
protected long parentId;
//euqals, hashCode
}
}