我有一个实体Transaction
,我正在尝试在NHibernate中检索存储过程的列表。我还想热切地加载一对多关系(实体名称TransactionCategorySplit
,Transaction
上的属性名称为Splits
)。我的sql-query定义看起来像这样:
<sql-query name="GetTransactionsForDownload">
<query-param name="AccountIdentifier" type="Guid"/>
<query-param name="StartDate" type="DateTime"/>
<query-param name="EndDate" type="DateTime"/>
<return alias="Transaction" class="Transaction">
<return-property column="Transaction.ID" name="ID" />
<return-property column="Transaction.PostingDate" name="PostingDate" />
<return-property column="Transaction.EffectiveDate" name="EffectiveDate" />
<return-property column="Transaction.Amount" name="Amount" />
<return-property column="Transaction.Balance" name="Balance" />
...etc
</return>
<return-join alias="TransactionCategorySplit" property="Transaction.Splits">
<return-property column="TransactionCategorySplit.Amount" name="Amount" />
<return-property column="TransactionCategorySplit.CreateDate" name="CreateDate" />
<return-property column="TransactionCategorySplit.TransactionCategoryID" name="TransactionCategoryID" />
<return-property column="TransactionCategorySplit.TransactionID" name="TransactionID" />
<return-property column="TransactionCategorySplit.ID" name="ID" />
</return-join>
<![CDATA[
exec core.GetTransactionsForDownload :AccountIdentifier, :StartDate, :EndDate
]]>
</sql-query>
存储过程如下所示:
SELECT t.ID AS 'Transaction.ID' ,
t.UserID AS 'Transaction.UserID' ,
t.PostingDate AS 'Transaction.PostingDate' ,
t.EffectiveDate AS 'Transaction.EffectiveDate' ,
t.Amount AS 'Transaction.Amount' ,
t.PrincipalAmount AS 'Transaction.PrincipalAmount' ,
t.InterestAmount AS 'Transaction.InterestAmount' ,
t.EscrowAmount AS 'Transaction.EscrowAmount' ,
t.FeeAmount AS 'Transaction.FeeAmount' ,
t.OtherAmount AS 'Transaction.OtherAmount' ,
t.Balance AS 'Transaction.Balance' ,
...etc
tcs.ID AS 'TransactionCategorySplit.ID' ,
tcs.TransactionID AS 'TransactionCategorySplit.TransactionID',
tcs.Amount AS 'TransactionCategorySplit.Amount' ,
tcs.CreateDate AS 'TransactionCategorySplit.CreateDate' ,
tcs.TransactionCategoryID AS 'TransactionCategorySplit.TransactionCategoryID' ,
tcs.TransactionID AS 'TransactionCategorySplit.TransactionID'
FROM core.Transactions t
LEFT OUTER JOIN core.TransactionCategorySplit tcs ON t.ID = tcs.TransactionID
(where and order by clauses)
当我试图从中获得结果时,我得到一个奇怪的例外。它是一个System.IndexOutOfRangeException
,其中“ID106_1_”作为其Message属性。这就像NHibernate仍然希望它生成的别名出现在结果集中,并且它没有考虑我设置的column
属性。如果我将列别名设置为NH期待的奇怪的东西,我可以成功地恢复数据,但这看起来非常糟糕。
sql-query映射是否不正确?