我有与hibernate查询相关的错误
外键(FK_jipqfc4qahmxslbxjbln9cxpm:products [products_products_id]))必须与引用的主键具有相同的列数(产品[categories_id,products_products_id])
我不明白为什么我会尝试很多时间,但直到现在问题仍无法解决 这是我对pojo
类别的oneToMany关系@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column
private int categories_id;
@Column
private String categories_image;
@Column
private int sort_order;
@Column
@Temporal(javax.persistence.TemporalType.DATE)
private Date date_added;
@Column
private Date last_modified;
@Column
private String categories_name;
public String getCategories_name() {
return categories_name;
}
public void setCategories_name(String categories_name) {
this.categories_name = categories_name;
}
@OneToOne(cascade = CascadeType.ALL, fetch= FetchType.LAZY)
@JoinTable(name="categories_description",joinColumns={
@JoinColumn(name = "categories_id",referencedColumnName="categories_id")})
private categories_description categories_description;
@OneToMany(cascade = CascadeType.ALL, fetch= FetchType.LAZY)
@JoinTable(name="products_to_categories",joinColumns={
@JoinColumn(name = "categories_id", referencedColumnName="categories_id")})
private Set<products_to_categories> products_to_categories;
@OneToMany(cascade = CascadeType.ALL, fetch= FetchType.LAZY)
@JoinTable(name="products",joinColumns={
@JoinColumn(name = "categories_id",referencedColumnName="categories_id")})
private Set<products> products;
这是我的产品pojo
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column
private int products_id;
@Column
private int Category_id;
@Column
private int products_quantity;
@Column
private String products_model;
@Column
private String products_image;
@Column
private float products_price;
@Column
private Date products_date_added;
@Column
private Date products_last_modified;
@Column
private Date products_date_available;
@Column
private float products_weight;
@Column
private String products_status;
@Column
private int products_tax_class_id;
@Column
private int manufacturers_id;
@Column
private String products_type;
@OneToOne
@JoinColumn(name="products_id")
private products_description products_description;
@OneToOne
@JoinColumn(name="products_id")
private products_to_categories products_to_categories;
我想将categories_id作为foregin键,并且还需要product products表中的主键 但是,虽然我已经得到了这个错误。
请帮助我真的很感激。