public void SeekTestStatic()
{
var sw1 = new Stopwatch();
var store = new SqlCeDataStore("test.sdf");
store.AddType <SeekItem>();
store.CreateOrUpdateStore();
// populate test data
var generator = new DataGenerator();
var items = generator.GenerateSeekItems(100);
store.BulkInsert(items);
// no delegate
sw1.Reset();
sw1.Start();
var item = store.First <SeekItem>(System.Data.SqlServerCe.DbSeekOptions.BeforeEqual, "SeekField", 11);
sw1.Stop();
// item should have a value of 10
Assert.AreEqual(10, item.SeekField);
}
public void SeekTestDynamic()
{
var sw1 = new Stopwatch();
var store = new SqlCeDataStore("test.sdf");
store.CreateOrUpdateStore();
// populate test data
var fieldList = new List <FieldAttribute>();
fieldList.Add(new FieldAttribute()
{
FieldName = "ID",
IsPrimaryKey = true,
DataType = System.Data.DbType.Int32
});
fieldList.Add(new FieldAttribute()
{
FieldName = "SeekField",
DataType = System.Data.DbType.Int64,
AllowsNulls = false,
SearchOrder = FieldSearchOrder.Ascending
});
fieldList.Add(new FieldAttribute()
{
FieldName = "Data",
DataType = System.Data.DbType.String,
AllowsNulls = false
});
var definition = new DynamicEntityDefinition("DynamicSeekItem", fieldList, KeyScheme.Identity);
store.RegisterDynamicEntity(definition);
for (int i = 0; i < 100; i++)
{
var de = new DynamicEntity("DynamicSeekItem");
de.Fields["SeekField"] = i * 10;
de.Fields["Data"] = "Item " + (i * 10).ToString();
store.Insert(de);
}
// no delegate
sw1.Reset();
sw1.Start();
var item = store.First("DynamicSeekItem", System.Data.SqlServerCe.DbSeekOptions.BeforeEqual, "SeekField", 11);
sw1.Stop();
// item should have a value of 10
}
public void DelegatePerfTest()
{
var iterations = 1000;
var sw1 = new Stopwatch();
var sw2 = new Stopwatch();
var store = new SqlCeDataStore("test.sdf");
store.AddType <TestItem>();
store.AddType <TestItemD>();
store.CreateOrUpdateStore();
// populate test data
var generator = new DataGenerator();
var items = generator.GenerateTestItems(100);
store.BulkInsert(items);
foreach (var i in items)
{
store.Insert((TestItemD)i);
}
// no delegate
sw1.Reset();
sw1.Start();
for (int i = 0; i < iterations; i++)
{
var list = store.Select <TestItem>();
}
sw1.Stop();
// with delegate
sw2.Reset();
sw2.Start();
for (int i = 0; i < iterations; i++)
{
var list = store.Select <TestItemD>();
}
sw2.Stop();
var noDelegate = sw1.ElapsedMilliseconds;
var withDelegate = sw2.ElapsedMilliseconds;
Debug.WriteLine(string.Format("Delegate gave a {0}% improvement", ((float)(noDelegate - withDelegate) / withDelegate) * 100f));
}
