public void MultipleSubqueriesShouldStayInOrder()
{
if (!Dialect.SupportsScalarSubSelects)
{
Assert.Ignore("Dialect does not support scalar sub-select");
}
using (ISession s = OpenSession())
using (ITransaction tx = s.BeginTransaction())
{
DetachedCriteria dc1 = DetachedCriteria.For(typeof(Person))
.Add(Property.ForName("IQ").Eq(10))
.SetProjection(Property.ForName("Name"));
DetachedCriteria dc2 = DetachedCriteria.For(typeof(Person))
.Add(Property.ForName("ShoeSize").Eq(7))
.SetProjection(Projections.Property("Name"));
IList list = s.CreateCriteria(typeof(Person), "p")
.Add(Subqueries.PropertyEq("Name", dc1))
.Add(Restrictions.Not(Subqueries.Eq("Sally", dc2)))
.List();
Assert.AreEqual(1, list.Count);
Assert.AreEqual("Joe", ((Person)list[0]).Name);
tx.Commit();
}
}
public void Property()
{
ICriteria expected =
CreateTestCriteria(typeof(Person))
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyGe("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyGt("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyIn("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyLe("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyLt("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyNe("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyNotIn("Name", DetachedCriteriaName));
var actual =
CreateTestQueryOver <Person>()
.WithSubquery.WhereProperty(p => p.Name).Eq(DetachedQueryOverName)
.WithSubquery.WhereProperty(p => p.Age).Ge(DetachedQueryOverAge)
.WithSubquery.WhereProperty(p => p.Age).Gt(DetachedQueryOverAge)
.WithSubquery.WhereProperty(p => p.Name).In(DetachedQueryOverName)
.WithSubquery.WhereProperty(p => p.Age).Le(DetachedQueryOverAge)
.WithSubquery.WhereProperty(p => p.Age).Lt(DetachedQueryOverAge)
.WithSubquery.WhereProperty(p => p.Name).Ne(DetachedQueryOverName)
.WithSubquery.WhereProperty(p => p.Name).NotIn(DetachedQueryOverName);
AssertCriteriaAreEqual(expected, actual);
}
public void NestedSubqueriesShouldStayInOrder()
{
if (!Dialect.SupportsScalarSubSelects)
{
Assert.Ignore("Dialect does not support scalar sub-select");
}
using (ISession s = OpenSession())
using (ITransaction tx = s.BeginTransaction())
{
DetachedCriteria dc1 = DetachedCriteria.For(typeof(Person))
.Add(Property.ForName("IQ").Eq(40))
.SetProjection(Property.ForName("IQ"));
DetachedCriteria dc2 = DetachedCriteria.For(typeof(Person))
.Add(Subqueries.PropertyEq("ShoeSize", dc1))
.SetProjection(
new SqlFunctionProjection(
"concat",
NHibernateUtil.String,
Projections.GroupProperty("Name"),
new ConstantProjection(" "),
Projections.GroupProperty("Name")));
IList list = s.CreateCriteria(typeof(Person))
.Add(Subqueries.Eq("Fred Fred", dc2))
.List();
Assert.AreEqual(5, list.Count); //yeah, it returns all five results. The key is that it didn't crash
tx.Commit();
}
}
/// <summary>
/// 锁定一个给定的聚合根，数据库级别的锁;
/// 该方法内部不需要考虑事务，因为框架在调用该方法之前已经确保当前事务是开启的;
/// 默认实现是通过ROWLOCK+UPDLOCK的方式实现行级锁;
/// </summary>
protected virtual long LockAggregateRootAfterTransactionStarted(string aggregateRootId)
{
var aggregateRootEventType = _aggregateRootEventTypeProvider.GetAggregateRootEventType(typeof(T));
var aggregateRootName = GetAggregateRootName();
DetachedCriteria detachedCriteria = DetachedCriteria.For(aggregateRootEventType)
.Add(Restrictions.Eq("AggregateRootName", aggregateRootName))
.Add(Restrictions.Eq("AggregateRootId", aggregateRootId))
.Add(Subqueries.PropertyEq("Version",
DetachedCriteria.For(aggregateRootEventType)
.SetProjection(Projections.Max("Version"))
.Add(Restrictions.Eq("AggregateRootName", aggregateRootName))
.Add(Restrictions.Eq("AggregateRootId", aggregateRootId))));
detachedCriteria.SetLockMode(LockMode.Upgrade);
var criteria = detachedCriteria.GetExecutableCriteria(OpenSession());
var eventList = typeof(EventQueryHelper).GetMethod("GetList").MakeGenericMethod(aggregateRootEventType).Invoke(new EventQueryHelper(), new object[] { criteria }) as IList;
if (eventList != null && eventList.Count > 0)
{
return((long)((AggregateRootEvent)eventList[0]).Version);
}
return(0);
}
public void Test_PropertyEqAlternativeSyntax()
{
ICriteria expected = CreateSession()
.CreateCriteria(typeof(Person))
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaSubquery));
ICriteria actual = CreateSession()
.CreateCriteria(typeof(Person))
.Add(LambdaSubquery.Where <Person>(p => p.Name == DetachedCriteriaSubquery.As <string>()));
AssertCriteriaAreEqual(expected, actual);
}
public void PropertyAsSyntaxCriterion()
{
ICriteria expected =
CreateTestCriteria(typeof(Person))
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaName));
var actual =
CreateTestQueryOver <Person>()
.And(Subqueries.Where <Person>(p => p.Name == DetachedQueryOverName.As <string>()));
AssertCriteriaAreEqual(expected, actual);
}
public void Test_PropertyEq()
{
ICriteria expected = CreateSession()
.CreateCriteria(typeof(Person))
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaSubquery));
ICriteria actual = CreateSession()
.CreateCriteria(typeof(Person))
.Add(LambdaSubquery.Property <Person>(p => p.Name).Eq(DetachedCriteriaSubquery));
AssertCriteriaAreEqual(expected, actual);
}
public static Translation FindByKey(int id, string language)
{
var crit = DetachedCriteria.For <Language>()
.Add(Restrictions.Eq("IsoCode", language))
.SetProjection(Projections.Id());
return(Global.CurrentSession.CreateCriteria <Translation>()
.Add(Subqueries.PropertyEq("Language", crit))
.Add(Restrictions.IsNull("Translator"))
.CreateAlias("Key", "k")
.Add(Restrictions.Eq("k.Id", id))
.UniqueResult <Translation>());
}
public void PropertyAliasCriterion()
{
ICriteria expected =
CreateTestCriteria(typeof(Person), "personAlias")
.Add(Subqueries.PropertyEq("personAlias.Name", DetachedCriteriaName));
Person personAlias = null;
var actual =
CreateTestQueryOver <Person>(() => personAlias)
.And(Subqueries.WhereProperty(() => personAlias.Name).Eq(DetachedQueryOverName));
AssertCriteriaAreEqual(expected, actual);
}
public RequestEstimate GetLatestByRequest(int requestId)
{
var criteria = Session.CreateCriteria(typeof(RequestEstimate));
criteria.Add(Restrictions.Eq("RequestId", requestId));
var subquery = DetachedCriteria.For(typeof(RequestEstimate));
subquery.Add(Restrictions.Eq("RequestId", requestId));
subquery.SetProjection(Projections.Max("Id"));
criteria.Add(Subqueries.PropertyEq("Id", subquery));
return(criteria.UniqueResult <RequestEstimate>());
}
public void TestAllBuilderOverloads()
{
ICriteria expected = CreateSession()
.CreateCriteria(typeof(Person))
.Add(Subqueries.PropertyIn("Name", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyNotIn("Name", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyEq("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyNe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGt("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLt("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyEqAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGtAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGeAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLtAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLeAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGtSome("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGeSome("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLtSome("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLeSome("Age", DetachedCriteriaSubquery));
ICriteria actual = CreateSession()
.CreateCriteria(typeof(Person))
.Add(LambdaSubquery.Property <Person>(p => p.Name).In(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Name).NotIn(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Eq(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Ne(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Gt(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Ge(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Lt(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).Le(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).EqAll(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).GtAll(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).GeAll(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).LtAll(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).LeAll(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).GtSome(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).GeSome(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).LtSome(DetachedCriteriaSubquery))
.Add(LambdaSubquery.Property <Person>(p => p.Age).LeSome(DetachedCriteriaSubquery));
AssertCriteriaAreEqual(expected, actual);
}
public void DetachedSubquery()
{
DetachedCriteria expected =
DetachedCriteria.For <Person>("personAlias")
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyEq("personAlias.Name", DetachedCriteriaName));
Person personAlias = null;
QueryOver <Person> actual =
QueryOver.Of <Person>(() => personAlias)
.WithSubquery.WhereProperty(p => p.Name).Eq(DetachedQueryOverName)
.WithSubquery.WhereProperty(() => personAlias.Name).Eq(DetachedQueryOverName);
AssertCriteriaAreEqual(expected, actual);
}
public void PropertyAsSyntaxAliasCriterion()
{
ICriteria expected =
CreateTestCriteria(typeof(Person), "personAlias")
.Add(Subqueries.PropertyEq("personAlias.Name", DetachedCriteriaName))
.Add(Subqueries.PropertyGtSome("personAlias.Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyLtAll("personAlias.Age", DetachedCriteriaAge));
Person personAlias = null;
var actual =
CreateTestQueryOver <Person>(() => personAlias)
.And(Subqueries.Where(() => personAlias.Name == DetachedQueryOverName.As <string>()))
.And(Subqueries.WhereSome(() => personAlias.Age > DetachedQueryOverAge.As <int>()))
.And(Subqueries.WhereAll(() => personAlias.Age < DetachedQueryOverAge.As <int>()));
AssertCriteriaAreEqual(expected, actual);
}
public void TestAllExpressionCombinations()
{
ICriteria expected = CreateSession()
.CreateCriteria(typeof(Person), "personAlias")
.Add(Subqueries.PropertyEq("personAlias.Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyNe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGt("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLt("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLe("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyEqAll("personAlias.Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGtAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGeAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLtAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLeAll("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGtSome("personAlias.Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyGeSome("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLtSome("Age", DetachedCriteriaSubquery))
.Add(Subqueries.PropertyLeSome("Age", DetachedCriteriaSubquery));
Person personAlias = null;
ICriteria actual = CreateSession()
.CreateCriteria(typeof(Person), () => personAlias)
.Add(LambdaSubquery.Where(() => personAlias.Age == DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.Where <Person>(p => p.Age != DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.Where <Person>(p => p.Age > DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.Where <Person>(p => p.Age >= DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.Where <Person>(p => p.Age < DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.Where <Person>(p => p.Age <= DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereAll(() => personAlias.Age == DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereAll <Person>(p => p.Age > DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereAll <Person>(p => p.Age >= DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereAll <Person>(p => p.Age < DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereAll <Person>(p => p.Age <= DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereSome(() => personAlias.Age > DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereSome <Person>(p => p.Age >= DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereSome <Person>(p => p.Age < DetachedCriteriaSubquery.As <int>()))
.Add(LambdaSubquery.WhereSome <Person>(p => p.Age <= DetachedCriteriaSubquery.As <int>()));
AssertCriteriaAreEqual(expected, actual);
}
public void PropertyAsSyntax()
{
ICriteria expected =
CreateTestCriteria(typeof(Person))
.Add(Subqueries.PropertyEq("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyNe("Name", DetachedCriteriaName))
.Add(Subqueries.PropertyGe("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyGt("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyLe("Age", DetachedCriteriaAge))
.Add(Subqueries.PropertyLt("Age", DetachedCriteriaAge));
var actual =
CreateTestQueryOver <Person>()
.WithSubquery.Where(p => p.Name == DetachedQueryOverName.As <string>())
.WithSubquery.Where(p => p.Name != DetachedQueryOverName.As <string>())
.WithSubquery.Where(p => p.Age >= DetachedQueryOverAge.As <int>())
.WithSubquery.Where(p => p.Age > DetachedQueryOverAge.As <int>())
.WithSubquery.Where(p => p.Age <= DetachedQueryOverAge.As <int>())
.WithSubquery.Where(p => p.Age < DetachedQueryOverAge.As <int>());
AssertCriteriaAreEqual(expected, actual);
}
private string GetSkillDisplayName(ISession session, string skillRecord)
{
var subquery = Subqueries.PropertyEq("P.Id", DetachedCriteria.For <DatabaseItem>()
.Add(Restrictions.Eq("Record", skillRecord))
.SetProjection(Projections.Property("Id"))
);
IList <DatabaseItemStat> skill = session.CreateCriteria <DatabaseItemStat>()
.Add(subquery)
.CreateAlias("Parent", "P")
.List <DatabaseItemStat>();
// Get the tag-name from the skill
var skillNameEntry = skill.FirstOrDefault(m => m.Stat.Equals("skillDisplayName"));
if (skillNameEntry?.TextValue != null)
{
return(skillNameEntry.TextValue);
}
// It may be without a name, but reference a pet skill
var petSkillName = skill.Where(m => m.Stat.Equals("petSkillName"));
if (petSkillName.Any())
{
return(GetSkillDisplayName(session, petSkillName.FirstOrDefault().TextValue));
}
// The pet skill may in turn reference a buff skill, or the original skill might.
var buffSkillName = skill.Where(m => m.Stat.Equals("buffSkillName"));
if (buffSkillName.Any())
{
return(GetSkillDisplayName(session, buffSkillName.FirstOrDefault().TextValue));
}
return(null);
}
public void SubqueriesExpressions()
{
DetachedCriteria dc = DetachedCriteria.For(typeof(Student))
.Add(Expression.Eq("Name", "Gavin King"));
ICriterion c = Subqueries.Eq("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.EqAll("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.Exists(dc);
NHAssert.IsSerializable(c);
c = Subqueries.Ge("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.GeAll("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.GeSome("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.Gt("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.GtAll("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.GtSome("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.In("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.Le("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.LeAll("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.LeSome("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.Lt("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.LtAll("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.LtSome("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.Ne("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.NotExists(dc);
NHAssert.IsSerializable(c);
c = Subqueries.NotIn("Gavin King", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyEq("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyEqAll("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGe("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGeAll("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGeSome("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGt("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGtAll("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyGtSome("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyIn("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLe("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLeAll("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLeSome("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLt("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLtAll("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyLtSome("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyNe("Name", dc);
NHAssert.IsSerializable(c);
c = Subqueries.PropertyNotIn("Name", dc);
NHAssert.IsSerializable(c);
}