Support for DateTimeOffset

src/SQLite.cs

@@ -1785,6 +1785,8 @@ public static string SqlType (TableMapping.Column p, bool storeDateTimeAsTicks)
 				return "varchar(" + len + ")";
 			} else if (clrType == typeof(DateTime)) {
 				return storeDateTimeAsTicks ? "bigint" : "datetime";
+			} else if (clrType == typeof(DateTimeOffset)) {
+				return "bigint";
 #if !NETFX_CORE
 			} else if (clrType.IsEnum) {
 #else
@@ -2068,6 +2070,8 @@ internal static void BindParameter (Sqlite3Statement stmt, int index, object val
 					else {
 						SQLite3.BindText (stmt, index, ((DateTime)value).ToString ("yyyy-MM-dd HH:mm:ss"), -1, NegativePointer);
 					}
+				} else if (value is DateTimeOffset) {
+					SQLite3.BindInt64 (stmt, index, ((DateTimeOffset)value).UtcTicks);
 #if !NETFX_CORE
 				} else if (value.GetType().IsEnum) {
 #else
@@ -2116,6 +2120,8 @@ object ReadCol (Sqlite3Statement stmt, int index, SQLite3.ColType type, Type clr
 						var text = SQLite3.ColumnString (stmt, index);
 						return DateTime.Parse (text);
 					}
+				} else if (clrType == typeof(DateTimeOffset)) {
+					return new DateTimeOffset(SQLite3.ColumnInt64 (stmt, index),TimeSpan.Zero);
 #if !NETFX_CORE
 				} else if (clrType.IsEnum) {
 #else

tests/DateTimeOffsetTest.cs

@@ -0,0 +1,78 @@
+using System;
+
+#if NETFX_CORE
+using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
+using SetUp = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestInitializeAttribute;
+using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
+using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
+#else
+using NUnit.Framework;
+#endif
+
+namespace SQLite.Tests
+{
+	[TestFixture]
+	public class DateTimeOffsetTest
+	{
+		class TestObj
+		{
+			[PrimaryKey, AutoIncrement]
+			public int Id { get; set; }
+
+			public string Name { get; set; }
+			public DateTimeOffset ModifiedTime { get; set; }
+		}
+
+
+		[Test]
+		public void AsTicks ()
+		{
+			var db = new TestDb ();
+			TestDateTimeOffset (db);
+		}
+
+
+		[Test]
+		public void AsyncAsTicks ()
+		{
+			var db = new SQLiteAsyncConnection (TestPath.GetTempFileName ());
+			TestAsyncDateTimeOffset (db);
+		}
+
+		void TestAsyncDateTimeOffset (SQLiteAsyncConnection db)
+		{
+			db.CreateTableAsync<TestObj> ().Wait ();
+
+			TestObj o, o2;
+
+			//
+			// Ticks
+			//
+			o = new TestObj {
+                ModifiedTime = new DateTimeOffset (2012, 1, 14, 3, 2, 1, TimeSpan.Zero),
+			};
+			db.InsertAsync (o).Wait ();
+			o2 = db.GetAsync<TestObj> (o.Id).Result;
+			Assert.AreEqual (o.ModifiedTime, o2.ModifiedTime);
+		}
+
+		void TestDateTimeOffset (TestDb db)
+		{
+			db.CreateTable<TestObj> ();
+
+			TestObj o, o2;
+
+			//
+			// Ticks
+			//
+			o = new TestObj {
+				ModifiedTime = new DateTimeOffset (2012, 1, 14, 3, 2, 1, TimeSpan.Zero),
+			};
+			db.Insert (o);
+			o2 = db.Get<TestObj> (o.Id);
+			Assert.AreEqual (o.ModifiedTime, o2.ModifiedTime);
+		}
+
+	}
+}
+

tests/SQLite.Tests.csproj

@@ -69,5 +69,6 @@
     <Compile Include="OpenTests.cs" />
     <Compile Include="MigrationTest.cs" />
     <Compile Include="EqualsTest.cs" />
+    <Compile Include="DateTimeOffsetTest.cs" />
   </ItemGroup>
 </Project>