1
可以说我有Id
(主键)列表,我想删除(例如1,2,3,4)。 使用此查询:优化由Castle ActiveRecord生成的删除查询
Console.WriteLine ("DELETE DATA :");
ActiveRecordMediator<PostgrePerson>.DeleteAll ("Id IN (1, 2, 3, 4)");
我希望控制台输出为:
DELETE DATA :
NHibernate: DELETE FROM Person WHERE Id IN (1, 2, 3, 4)
但,实际的控制台输出是(我用showsql选项):
DELETE DATA :
NHibernate: select postgreper0_.Id as Id5_, postgreper0_.Name as Name5_, postgreper0_.Age as Age5_, postgreper0_.Address as Address5_ from Person postgreper0_ w
here postgreper0_.Id in (1 , 2 , 3 , 4)
NHibernate: DELETE FROM Person WHERE Id = :p0;:p0 = 1
NHibernate: DELETE FROM Person WHERE Id = :p0;:p0 = 2
NHibernate: DELETE FROM Person WHERE Id = :p0;:p0 = 3
NHibernate: DELETE FROM Person WHERE Id = :p0;:p0 = 4
什么我应该如何让Castle ActiveRecord生成预期的(优化的)查询?
更新 这是基于公认的答案我的实现。
int[] idList = GetIdList();
ActiveRecordMediator<PostgrePerson>.Execute ((session, obj) => {
string hql = "DELETE PostgrePerson WHERE Id IN (:idList)";
return session.CreateQuery (hql)
.SetParameterList ("idList", idList)
.ExecuteUpdate();
}, null);
谢谢。按预期工作:)似乎activerecord的当前版本尚不支持直接从'HqlBasedQuery'使用DML样式的HQL语句 – 2011-03-25 04:12:46