我正在尝试获取Order []数组,其中包括未收到关联文档的所有Order。
我尝试了此查询,它返回正确的行数。
@Query("Select o FROM Order o INNER JOIN o.properties p INNER JOIN p.documents d WHERE d.received = false")
Order[] findUnreceivedOrders();
问题是,我数组中的订单对象不仅包括所有未接收到的文档,而且我希望该对象仅包括未接收到的文档对象。
有人知道如何解决这个问题吗?
感谢您的帮助!
Order.java
@Entity
@Table(name = "orders")
@JsonIgnoreProperties(ignoreUnknown = true,
value = {"progress"})
public class Order {
@Id
@Column(name = "id", unique = true)
private String orderid;
@Column(name = "user_id")
private String userid;
@Column(name = "entrydate")
private java.sql.Date entrydate;
@Column(name = "info")
private String info;
@Column
private boolean complete;
@Column(name= "cached")
private boolean cached;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "order")
private List<Property> properties = new ArrayList<>();
@OneToOne(mappedBy = "order", cascade = CascadeType.ALL)
private BillingAdress billingAdress;
// Getter & Setter
Property.java
@Entity
@Table(name = "properties")
@JsonIgnoreProperties(ignoreUnknown = true,
value = {"progress"})
public class Property
{
@Id
@Column(name = "propertyid", unique = true )
private String id;
@Column(name = "name")
private String name;
@Column(name = "street")
private String street;
@Column(name = "zip")
private String zip;
@Column(name = "town")
private String town;
@Column
private String house_number;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "property")
private List<Landregisterfolio> landregisterfolios = new ArrayList<>();
@Column(name = "userid" )
private String userid;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "property")
private List<Document> documents = new ArrayList<>();
@ManyToOne
@JoinColumn(name = "order_id")
@JsonIgnore
private Order order;
@Column(name = "order_id", insertable = false, updatable = false)
private String orderid;
//Getter & Setter
}
Document.java
@Entity
@Table(name = "documents")
public class Document {
@Id
@Column(name="id")
private String docid;
@Column(name="name")
private String docname;
@Column(name = "received")
private Boolean received;
@Column(name = "requested")
private Boolean requested;
@Column(name ="last_contact")
private Date lastContact;
@Column(name ="intern_comment")
private String intern_comment;
@Column(name ="extern_comment")
private String extern_comment;
@Column(name="fees")
private double fees;
@ManyToOne
@JoinColumn(name = "property_propertyid")
@JsonIgnore
private Property property;
@Column(name = "property_propertyid", insertable = false, updatable = false)
private String propertyid;
//Getter & Setter
}
可能您可以将@ManyToOne
Order
映射到您的Document
实体,并在用于Order
实体后
@JoinColumnOrFormula(formula = @JoinFormula("(select d.id from documents d WHERE d.order_id = id AND d.received = false"))
List<Document> unreceivedDocuments;
U在Property
中具有Order
的列表,在Document
中具有Property
的列表。因此,如果您的清单中没有收到状态为Document
的一个,则您将拥有此Order
。
感谢@pdem!
使用了“ join fetch”,将我的列表更改为集合,并且可以正常工作。