From 5116767ec76f160a1e37c159ae896af1800b3ef8 Mon Sep 17 00:00:00 2001
From: Milan Hanajik <hanajikmilan@gmail.com>
Date: Wed, 3 Jan 2018 13:00:08 +0100
Subject: [PATCH] Results.DB change : SessionFactory erased only when the new
 connection string differs from the previous one.

---
 Results/DB.cs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Results/DB.cs b/Results/DB.cs
index 597ec6d4c..88b72a71c 100644
--- a/Results/DB.cs
+++ b/Results/DB.cs
@@ -21,12 +21,19 @@ namespace Results
 		public static ISessionFactory SessionFactory;
 
 		/// <summary> Connection string for all sessions </summary>
-		private static string connectionString;
+		static string connectionString;
 		/// 
 		public static string ConnectionString
 		{
 			get { return connectionString; }
-			set { connectionString = value; SessionFactory = null; }
+            set
+            {
+                if (value != connectionString)
+                {
+                    connectionString = value;
+                    SessionFactory = null;          /// Clear SessionFactory on connection string change
+                }
+            }
 		}
 
 		/// <summary> Database type (MySQL or SQLite) for all sessions </summary>