From b4a25e6138f3e5cad9b37729fc8ce8a984594fd8 Mon Sep 17 00:00:00 2001
From: Jovan Popovic <jocapc@gmail.com>
Date: Tue, 2 Aug 2016 10:30:02 -0700
Subject: [PATCH] SQL scripts moved into sql-scripts folder

Added demo.sql. setup.sql is moved from setup to sql-scripts folder.
---
 .../product-catalog/sql-scripts/demo.sql      | 62 +++++++++++++++++++
 .../{setup => sql-scripts}/setup.sql          | 14 ++++-
 2 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 samples/features/temporal/product-catalog/sql-scripts/demo.sql
 rename samples/features/temporal/product-catalog/{setup => sql-scripts}/setup.sql (98%)

diff --git a/samples/features/temporal/product-catalog/sql-scripts/demo.sql b/samples/features/temporal/product-catalog/sql-scripts/demo.sql
new file mode 100644
index 00000000..9540ba4d
--- /dev/null
+++ b/samples/features/temporal/product-catalog/sql-scripts/demo.sql
@@ -0,0 +1,62 @@
+--Note: Run setup.sql script to create ProductCatalog database.
+USE ProductCatalog
+GO
+
+-- Find the time when the first product(s) were inserted.
+select min(ValidFrom) from History.Product;
+
+--List of current products.
+select ProductID, Name, Color, Size, Price, Quantity
+from Product;
+
+--Go back in time and show the list of products. 
+select ProductID, Name, Color, Size, Price, Quantity
+from Product FOR SYSTEM_TIME AS OF '2015-07-28 13:20:00';
+
+--Show the difference between current version of the product with ID 17 and version that existed in past. 
+select *
+from dbo.diff_Product(17, '2015-07-28 13:20:00');
+
+--Return full history of changes for product with ID 17.
+select ProductID, Name, Color, Size, Price, Quantity, ValidFrom, ValidTo
+from Product FOR SYSTEM_TIME ALL
+where productid = 17
+order by ValidFrom desc;
+
+--Update product with ID 17.
+update Product
+set Color = 'Silver'
+where productid = 17;
+
+--Verify that color is changed to 'Silver'.
+select ProductID, Name, Color, Size, Price, Quantity, ValidFrom, ValidTo
+from Product
+where productid = 17;
+
+--Return history of the product. You should see one additional row in history.
+select ProductID, Name, Color, Size, Price, Quantity, ValidFrom, ValidTo
+from Product FOR SYSTEM_TIME ALL
+where productid = 17
+order by ValidFrom desc;
+
+--Restore product. Overwrite the latest version with the verison that was valid last year.
+exec RestoreProduct 17, '2015-11-07 03:40:09';
+
+--Return history of the product with id 17 and verify that it current version and '2015-11-07 03:40:09' version are identical.  
+select ProductID, Name, Color, Size, Price, Quantity, ValidFrom, ValidTo
+from Product FOR SYSTEM_TIME ALL
+where productid = 17
+order by ValidFrom desc;
+
+-- Identify "spikes" in product price changes.
+with history as (
+
+	select ProductID, Name, Price, ValidFrom,
+			LAG (Price, 1, 1) over (partition by ProductID order by ValidFrom) as PrevPrice,
+			LEAD (Price, 1, 1) over (partition by ProductID order by ValidFrom) as NextPrice
+	 from dbo.Product for system_time all
+)
+select ValidFrom AS ModifiedOn, ProductID, Name, PrevPrice, Price,  NextPrice
+from history
+where PrevPrice = NextPrice
+	AND ABS(PrevPrice - Price)/PrevPrice >=0.5
diff --git a/samples/features/temporal/product-catalog/setup/setup.sql b/samples/features/temporal/product-catalog/sql-scripts/setup.sql
similarity index 98%
rename from samples/features/temporal/product-catalog/setup/setup.sql
rename to samples/features/temporal/product-catalog/sql-scripts/setup.sql
index 23c83b74..b1016cc0 100644
--- a/samples/features/temporal/product-catalog/setup/setup.sql
+++ b/samples/features/temporal/product-catalog/sql-scripts/setup.sql
@@ -1,4 +1,16 @@
-CREATE SCHEMA History
+USE master
+GO
+
+DROP DATABASE IF EXISTS ProductCatalog
+GO
+
+CREATE DATABASE ProductCatalog
+GO
+
+USE ProductCatalog
+GO
+
+CREATE SCHEMA History
 GO
 
 CREATE TABLE Product (