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(n + 1)選擇我無法解決的問題。我正在與非PK列連接表。休眠(n + 1)選擇與非PK加入
我的架構
記錄
RECORD_ID(PK)
Carrier_Number
Audit_Details
AuditId(PK)
Carrier_Number
有一到 - 之間的關係記錄和Audit_Details。
我records.hbm.xml
<set lazy="true" name="auditDetails" sort="unsorted"
table="AUDIT_DETAILS" inverse="true">
<key column="Carrier_Number" not-null="true" property-ref="carrierRefNumber"/>
<one-to-many
class="com.package.AuditDtls" />
</set>
我auditDetails.hbm.xml
<many-to-one
class="com.package.Records" fetch="join"
name="Records" column="Carrier_Number" not-null="true" property-ref="carrierNumber" lazy="false"/>
這會產生像
select
this_.CARRIER_NUMBER as CARRIER1_2_2_,
abc1_.CARRIER_NUMBER as CARRIER8_3_0_,
otm4_.CARRIER_NUMBER as CARRIER1_2_1_,
from
RECORDS this_
inner join
AUDIT_DETAILS abc1_
on this_.CARRIER_NUMBER=abc_.CARRIER_NUMBER
left outer join
RECORDS otm4_
on abc1_.CARRIER_NUMBER=otmp4_.CARRIER_NUMBER
where
this_.LOAD_ID=?
select
auditde0_.CARRIER_NUMBER as CARRIER8_1_
from
AUDIT_DTLS auditde0_
where
auditde0_.CARRIER_NUMBER=?
我試圖改變來獲取查詢=」選擇「,改變懶惰=」假「和懶惰=」無代理「,但迄今爲止沒有任何工作。我不確定這個問題是否因爲使用nonPK列連接兩個表。將不勝感激任何建議。