[英]JPQL query for parameter in list
我有两个 JPA 实体:
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;
}
我尝试编写一个 JPQL 查询来提取以下请求:
false
,则提取所有带有空hotelBookings
的请求,并且每个预订都将参数jointCheckIn
设置为false
的所有请求true
,则提取具有一个或多个预订的所有请求, jointCheckIn
设置为true
我写了这样的东西
select e 从 nk$BusinessTripRequest e 加入 e.hotelBookings hb
其中(true =?且 e.hotelBookings 不为空且 hb.jointCheckIn = true)
或(false =? 并且 e.hotelBookings 为空)
由于第一个条件,当参数为true
时效果很好。 但是我不能为false
参数写一个工作条件
评论中建议的解决方案
select e
from nk$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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