public void QueryIteration()
{
Prepare();
ISession s = GetSessionUnderTest();
Silly silly = new Silly("silly");
s.Save(silly);
s.Flush();
IEnumerable en = s.CreateQuery("from Silly").Enumerable();
IEnumerator itr = en.GetEnumerator();
Assert.IsTrue(itr.MoveNext());
Silly silly2 = (Silly)itr.Current;
Assert.AreEqual(silly, silly2);
NHibernateUtil.Close(itr);
itr = s.CreateQuery("from Silly").Enumerable().GetEnumerator();
IEnumerator itr2 = s.CreateQuery("from Silly where name = 'silly'").Enumerable().GetEnumerator();
Assert.IsTrue(itr.MoveNext());
Assert.AreEqual(silly, itr.Current);
Assert.IsTrue(itr2.MoveNext());
Assert.AreEqual(silly, itr2.Current);
NHibernateUtil.Close(itr);
NHibernateUtil.Close(itr2);
s.Delete(silly);
s.Flush();
Release(s);
Done();
}
public void SerializationFailsOnAfterStatementAggressiveReleaseWithOpenResources()
{
TestsContext.AssumeSystemTypeIsSerializable();
Prepare();
ISession s = GetSessionUnderTest();
Silly silly = new Silly("silly");
s.Save(silly);
// this should cause the CM to obtain a connection, and then Release it
s.Flush();
// both scroll() and iterate() cause the batcher to hold on
// to resources, which should make aggresive-Release not Release
// the connection (and thus cause serialization to fail)
IEnumerable en = s.CreateQuery("from Silly").Enumerable();
try
{
SerializationHelper.Serialize(s);
Assert.Fail(
"Serialization allowed on connected session; or aggressive Release released connection with open resources");
}
catch (InvalidOperationException)
{
// expected behavior
}
// Closing the ScrollableResults does currently force the batcher to
// aggressively Release the connection
NHibernateUtil.Close(en);
SerializationHelper.Serialize(s);
s.Delete(silly);
s.Flush();
Release(s);
Done();
}
public void QueryStatGathering()
{
IStatistics stats = Sfi.Statistics;
stats.Clear();
ISession s = OpenSession();
ITransaction tx = s.BeginTransaction();
FillDb(s);
tx.Commit();
s.Close();
s = OpenSession();
tx = s.BeginTransaction();
string continents = "from Continent";
int results = s.CreateQuery(continents).List().Count;
QueryStatistics continentStats = stats.GetQueryStatistics(continents);
Assert.IsNotNull(continentStats, "stats were null");
Assert.AreEqual(1, continentStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, continentStats.ExecutionRowCount, "unexpected row count");
var maxTime = continentStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(continents, stats.QueryExecutionMaxTimeQueryString);
IEnumerable itr = s.CreateQuery(continents).Enumerable();
// Enumerable() should increment the execution count
Assert.AreEqual(2, continentStats.ExecutionCount, "unexpected execution count");
// but should not effect the cumulative row count
Assert.AreEqual(results, continentStats.ExecutionRowCount, "unexpected row count");
NHibernateUtil.Close(itr);
tx.Commit();
s.Close();
// explicitly check that statistics for "split queries" get collected
// under the original query
stats.Clear();
s = OpenSession();
tx = s.BeginTransaction();
string localities = "from Locality";
results = s.CreateQuery(localities).List().Count;
QueryStatistics localityStats = stats.GetQueryStatistics(localities);
Assert.IsNotNull(localityStats, "stats were null");
// ...one for each split query
Assert.AreEqual(2, localityStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, localityStats.ExecutionRowCount, "unexpected row count");
maxTime = localityStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(localities, stats.QueryExecutionMaxTimeQueryString);
tx.Commit();
s.Close();
Assert.IsFalse(s.IsOpen);
// native sql queries
stats.Clear();
s = OpenSession();
tx = s.BeginTransaction();
string sql = "select Id, Name from Country";
results = s.CreateSQLQuery(sql).AddEntity(typeof(Country)).List().Count;
QueryStatistics sqlStats = stats.GetQueryStatistics(sql);
Assert.IsNotNull(sqlStats, "sql stats were null");
Assert.AreEqual(1, sqlStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, sqlStats.ExecutionRowCount, "unexpected row count");
maxTime = sqlStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(sql, stats.QueryExecutionMaxTimeQueryString);
tx.Commit();
s.Close();
s = OpenSession();
tx = s.BeginTransaction();
CleanDb(s);
tx.Commit();
s.Close();
}
public async Task QueryStatGatheringAsync()
{
IStatistics stats = Sfi.Statistics;
stats.Clear();
ISession s = OpenSession();
ITransaction tx = s.BeginTransaction();
await(FillDbAsync(s));
await(tx.CommitAsync());
s.Close();
s = OpenSession();
tx = s.BeginTransaction();
string continents = "from Continent";
int results = (await(s.CreateQuery(continents).ListAsync())).Count;
QueryStatistics continentStats = stats.GetQueryStatistics(continents);
Assert.IsNotNull(continentStats, "stats were null");
Assert.AreEqual(1, continentStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, continentStats.ExecutionRowCount, "unexpected row count");
var maxTime = continentStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(continents, stats.QueryExecutionMaxTimeQueryString);
IEnumerable itr = await(s.CreateQuery(continents).EnumerableAsync());
// Enumerable() should increment the execution count
Assert.AreEqual(2, continentStats.ExecutionCount, "unexpected execution count");
// but should not effect the cumulative row count
Assert.AreEqual(results, continentStats.ExecutionRowCount, "unexpected row count");
NHibernateUtil.Close(itr);
await(tx.CommitAsync());
s.Close();
// explicitly check that statistics for "split queries" get collected
// under the original query
stats.Clear();
s = OpenSession();
tx = s.BeginTransaction();
string localities = "from Locality";
results = (await(s.CreateQuery(localities).ListAsync())).Count;
QueryStatistics localityStats = stats.GetQueryStatistics(localities);
Assert.IsNotNull(localityStats, "stats were null");
// ...one for each split query
Assert.AreEqual(2, localityStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, localityStats.ExecutionRowCount, "unexpected row count");
maxTime = localityStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(localities, stats.QueryExecutionMaxTimeQueryString);
await(tx.CommitAsync());
s.Close();
Assert.IsFalse(s.IsOpen);
// native sql queries
stats.Clear();
s = OpenSession();
tx = s.BeginTransaction();
string sql = "select Id, Name from Country";
results = (await(s.CreateSQLQuery(sql).AddEntity(typeof(Country)).ListAsync())).Count;
QueryStatistics sqlStats = stats.GetQueryStatistics(sql);
Assert.IsNotNull(sqlStats, "sql stats were null");
Assert.AreEqual(1, sqlStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual(results, sqlStats.ExecutionRowCount, "unexpected row count");
maxTime = sqlStats.ExecutionMaxTime;
Assert.AreEqual(maxTime, stats.QueryExecutionMaxTime);
Assert.AreEqual(sql, stats.QueryExecutionMaxTimeQueryString);
// check that 2nd query correctly updates query statistics
results = (await(s.CreateSQLQuery(sql).AddEntity(typeof(Country)).ListAsync())).Count;
var queryTime1 = maxTime;
var queryTime2 = sqlStats.ExecutionMaxTime == maxTime ? sqlStats.ExecutionMinTime : sqlStats.ExecutionMaxTime;
Assert.AreEqual(2, sqlStats.ExecutionCount, "unexpected execution count");
Assert.AreEqual((queryTime1 + queryTime2).Ticks / 2, sqlStats.ExecutionAvgTime.Ticks, 2, "unexpected average time");
await(tx.CommitAsync());
s.Close();
s = OpenSession();
tx = s.BeginTransaction();
await(CleanDbAsync(s));
await(tx.CommitAsync());
s.Close();
}