[英]JPQL query for parameter in list
我有兩個 JPA 實體:
public class BusinessTripRequest extends StandardEntity {
@OneToMany(mappedBy = "businessTripRequest", fetch = FetchType.LAZY)
@OnDelete(DeletePolicy.CASCADE)
@Composition
protected List<HotelBooking> hotelBookings;
}
public class HotelBooking extends StandardEntity {
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "BUSINESS_TRIP_REQUEST_ID")
protected BusinessTripRequest businessTripRequest;
@Column(name = "JOINT_CHECK_IN")
protected Boolean jointCheckIn;
}
我嘗試編寫一個 JPQL 查詢來提取以下請求:
false
,則提取所有帶有空hotelBookings
的請求,並且每個預訂都將參數jointCheckIn
設置為false
的所有請求true
,則提取具有一個或多個預訂的所有請求, jointCheckIn
設置為true
我寫了這樣的東西
select e 從 nk$BusinessTripRequest e 加入 e.hotelBookings hb
其中(true =?且 e.hotelBookings 不為空且 hb.jointCheckIn = true)
或(false =? 並且 e.hotelBookings 為空)
由於第一個條件,當參數為true
時效果很好。 但是我不能為false
參數寫一個工作條件
評論中建議的解決方案
select e
from nk$BusinessTripRequest e
where (true = ? and e.id in (select hb1.businessTripRequest.id
from HotelBooking hb1
where hb1.jointCheckIn = true))
or (false = ? and {E}.id not in (select hb1.businessTripRequest.id
from nokia$HotelBooking hb1
where hb1.jointCheckIn = true))
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