我有一个查询要写在我的产品模型中
select * from shop inner join product on product.shops_id=shop.id where product.name=keyword
Shop.java
public class Shop extends Model {
@Id
@SequenceGenerator(name="shop_gen", sequenceName="shop_id_seq", allocationSize=1)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="shop_gen")
@Column(name="id")
public Long id;
@Required
public String name;
@Required
public String addressLine1;
public String addressLine2;
public String addressLine3;
@Required
public String city;
@Required
public String town;
@Required
public String phoneNumber;
@OneToMany(mappedBy = "shops",cascade = CascadeType.REMOVE)
public List<Product> products=new ArrayList<>();
@Required
@OneToOne
public String category;
@Lob
@Column(name = "shop_pic")
public byte[] shop_pic;
@ManyToOne
@Required
public User owner;
}
Product.java
public class Product extends Model {
@Id
@SequenceGenerator(name="product_gen", sequenceName="product_id_seq", allocationSize=1)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="product_gen")
@Column(name="id")
public Long id;
@Required
public String name;
@Required
public Float price;
@OneToOne
@Required
public String category;
@ManyToOne
public Shop shops;
}
我的主要目的是找到具有特定产品的商店列表。
关键字每次都在变化。 我提到过类似的问题,但不理解其中的任何一个。 任何帮助将不胜感激
最佳答案
如果你的模型中有适当的关系,它将是:
Shop.find.where().like("product.name", keyword).findList();
无论如何,我们对您的模型一无所知。
关于java - 内部加入 play framework ebean,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23343067/