pub/bltoolkit: UnitTests/Linq/UserTests/CompareNullableChars.cs comparison

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+:f990fcb411a9
+using System;
+using System.Linq;
+using BLToolkit.Data;
+using BLToolkit.Data.Linq;
+using BLToolkit.DataAccess;
+using BLToolkit.Mapping;
+using NUnit.Framework;
+namespace Data.Linq.UserTests
+{
+	[TestFixture]
+	public class CompareNullableChars : TestBase
+	{
+		class Table1
+		{
+			[PrimaryKey(1)]
+			[Identity] public Int64 Field1 { get; set; }
+			[Nullable] public Char? Foeld2 { get; set; }
+		}
+		class Repository : DbManager
+		{
+			public Repository(string configurationString) : base(configurationString)
+			{
+			}
+			public Table<Table1> Table1 { get { return this.GetTable<Table1>(); } }
+		}
+		[Test]
+		public void Test([DataContexts(ExcludeLinqService=true)] string context)
+		{
+			using (var db = new Repository(context))
+			{
+				var q =
+					from current  in db.Table1
+					from previous in db.Table1
+					where current.Foeld2 == previous.Foeld2
+					select new { current.Field1, Field2 = previous.Field1 };
+				var sql = q.ToString();
+			}
+		}
+	}
+}

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