From 1a67581f73a2eb5c68bcb4fa2ee546bc25d1e4aa Mon Sep 17 00:00:00 2001
From: MaximoB <maximo.berocay@gmail.com>
Date: Tue, 28 Nov 2017 13:02:15 -0600
Subject: [PATCH 1/2] Adding ToDateTimeOffset function

---
 Database/Database.sqlproj               |  1 +
 Database/Functions/ToDateTimeOffset.sql | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 Database/Functions/ToDateTimeOffset.sql

diff --git a/Database/Database.sqlproj b/Database/Database.sqlproj
index e1afd79..ca40801 100644
--- a/Database/Database.sqlproj
+++ b/Database/Database.sqlproj
@@ -82,5 +82,6 @@
     <Build Include="Functions\GetZoneAbbreviation.sql" />
     <Build Include="Functions\GetZoneId.sql" />
     <Build Include="Functions\GetZoneId_Inline.sql" />
+    <Build Include="Functions\ToDateTimeOffset.sql" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Database/Functions/ToDateTimeOffset.sql b/Database/Functions/ToDateTimeOffset.sql
new file mode 100644
index 0000000..4fdf6a1
--- /dev/null
+++ b/Database/Functions/ToDateTimeOffset.sql
@@ -0,0 +1,16 @@
+CREATE FUNCTION [Tzdb].[ToDateTimeOffset]
+(
+    @time DATETIME2,
+    @tz VARCHAR(50)
+)
+RETURNS DATETIMEOFFSET
+BEGIN
+	DECLARE @OffsetMinutes INT;
+
+	SELECT TOP 1 @OffsetMinutes = [OffsetMinutes]
+    FROM [Tzdb].[Intervals] i
+	INNER JOIN Tzdb.GetZoneId_Inline(@tz) z ON i.ZoneId = z.ZoneId
+    WHERE  LocalStart <= @time AND LocalEnd > @time;
+
+	RETURN TODATETIMEOFFSET(@time, @OffsetMinutes);
+END

From 128c23938103cbc0a605b7970c35519224e6cd67 Mon Sep 17 00:00:00 2001
From: MaximoB <maximo.berocay@gmail.com>
Date: Tue, 28 Nov 2017 13:21:19 -0600
Subject: [PATCH 2/2] Add faster inline version of ToDateTimeOffset func

---
 Database/Database.sqlproj                      |  1 +
 Database/Functions/ToDateTimeOffset_Inline.sql | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 Database/Functions/ToDateTimeOffset_Inline.sql

diff --git a/Database/Database.sqlproj b/Database/Database.sqlproj
index ca40801..faffdcb 100644
--- a/Database/Database.sqlproj
+++ b/Database/Database.sqlproj
@@ -83,5 +83,6 @@
     <Build Include="Functions\GetZoneId.sql" />
     <Build Include="Functions\GetZoneId_Inline.sql" />
     <Build Include="Functions\ToDateTimeOffset.sql" />
+    <Build Include="Functions\ToDateTimeOffset_Inline.sql" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Database/Functions/ToDateTimeOffset_Inline.sql b/Database/Functions/ToDateTimeOffset_Inline.sql
new file mode 100644
index 0000000..59f6032
--- /dev/null
+++ b/Database/Functions/ToDateTimeOffset_Inline.sql
@@ -0,0 +1,16 @@
+CREATE FUNCTION [Tzdb].[ToDateTimeOffset_Inline]
+(
+    @time DATETIME2,
+    @tz VARCHAR(50)
+)
+RETURNS TABLE
+WITH SCHEMABINDING
+AS RETURN
+  SELECT TOP 1
+         TODATETIMEOFFSET(@time, ntrvl.[OffsetMinutes])
+         AS [Time]
+  FROM   [Tzdb].[Intervals] ntrvl
+  WHERE  ntrvl.[ZoneId] = (SELECT zn.[ZoneId] FROM [Tzdb].[GetZoneId_Inline](@tz) zn)
+  AND    ntrvl.[LocalStart] <= @time
+  AND    ntrvl.[LocalEnd] > @time;
+GO