From 7166b53797110909a83f494553ded3371349778c Mon Sep 17 00:00:00 2001
From: Brandon Jackson <1drummer@att.net>
Date: Thu, 24 Sep 2015 21:38:07 -0500
Subject: [PATCH] Update DBEngine.h

---
 DBEngine.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DBEngine.h b/DBEngine.h
index 878a42e..82d444e 100755
--- a/DBEngine.h
+++ b/DBEngine.h
@@ -20,6 +20,7 @@ public:
 	void saveToFile(vector<string> cmds);
 	Relation selection(string attName, string s, Relation r);
 	Relation projection(vector<string> input, Relation r);
+	Relation product(string s1, Relation r1, Relation r2);
 	void rename(Relation& r, vector<string> oldnames, vector<string> newnames);
 	Relation setUnion(Relation r1, Relation r2);
 	//void setDiff();