Mercurial > pub > bltoolkit
diff UnitTests/Linq/UserTests/SelectManyDeleteTest.cs @ 0:f990fcb411a9
Копия текущей версии из github
author | cin |
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date | Thu, 27 Mar 2014 21:46:09 +0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/UnitTests/Linq/UserTests/SelectManyDeleteTest.cs Thu Mar 27 21:46:09 2014 +0400 @@ -0,0 +1,62 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +using BLToolkit.Data.DataProvider; +using BLToolkit.Data.Linq; +using BLToolkit.DataAccess; +using BLToolkit.Mapping; + +using NUnit.Framework; + +namespace Data.Linq.UserTests +{ + [TestFixture] + public class SelectManyDeleteTest : TestBase + { + [TableName(Name = "GrandChild")] + public new class GrandChild + { + public int ChildID { get; set; } + } + + [TableName(Name = "Child")] + public new class Child + { + public int ParentID { get; set; } + public int ChildID { get; set; } + + [Association(ThisKey = "ChildID", OtherKey = "ChildID", CanBeNull = false)] + public List<GrandChild> GrandChildren { get; set; } + } + + [TableName(Name = "Parent")] + public new class Parent + { + [Identity, PrimaryKey(1)] + public int ParentID { get; set; } + + [Association(ThisKey = "ParentID", OtherKey = "ParentID", CanBeNull = true)] + public List<Child> Children { get; set; } + } + + [Test] + public void Test([DataContexts( + ProviderName.Access, ProviderName.DB2, ProviderName.Informix, "Oracle", + ProviderName.PostgreSQL, ProviderName.SqlCe, ProviderName.SQLite, ProviderName.Firebird + )] string context) + { + var harnessIds = new int[2]; + + using (var db = GetDataContext(context)) + { + db.GetTable<Parent>() + .Where (x => harnessIds.Contains(x.ParentID)) + .SelectMany(x => x.Children) + .SelectMany(x => x.GrandChildren) + .Delete(); + } + } + } +} +