From 66eb53fadc0954e013cfaf421acaa3d6b0321493 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ivan=20Ho=CC=88rler?= <i.hoerler@me.com>
Date: Fri, 13 Jul 2018 21:17:48 +0200
Subject: [PATCH] Added and enhanced SQL Querys and connection blocker

---
 EHEC_Server/EHEC_Server/Web.config |  4 ++--
 SQL/EHEC_DB_Query.sql              | 21 ++++++++++++++++-----
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/EHEC_Server/EHEC_Server/Web.config b/EHEC_Server/EHEC_Server/Web.config
index e2466e9..3fd839c 100644
--- a/EHEC_Server/EHEC_Server/Web.config
+++ b/EHEC_Server/EHEC_Server/Web.config
@@ -30,8 +30,8 @@
     <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
   </system.serviceModel>
   <connectionStrings>
-    <add name="EHEC_DBEntities" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=LAPTOP-S6N189QG;initial catalog=EHEC_DB;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
-    <!--<add name="EHEC_DBEntities" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=.\SQLEXPRESS;initial catalog=EHEC_DB;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />-->
+    <!--<add name="EHEC_DBEntities" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=LAPTOP-S6N189QG;initial catalog=EHEC_DB;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />-->
+    <add name="EHEC_DBEntities" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=.\SQLEXPRESS;initial catalog=EHEC_DB;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
   </connectionStrings>
   <entityFramework>
     <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
diff --git a/SQL/EHEC_DB_Query.sql b/SQL/EHEC_DB_Query.sql
index 00b1f2f..3b863de 100644
--- a/SQL/EHEC_DB_Query.sql
+++ b/SQL/EHEC_DB_Query.sql
@@ -11,16 +11,25 @@
 -- 180629 Ivan, Add inserts for fixed lists
 -- --------------------------------------------------
 
+-- Set DB toSingle User so open connections do not block
+-- --------------------------------------------------
+PRINT 'Set Multiuser to Singleuser so all open connections are cut...';
+use master
+ALTER DATABASE EHEC_DB SET SINGLE_USER WITH ROLLBACK IMMEDIATE 
+-- --------------------------------------------------
+
+
+
 -- Auskommentieren für Löschung der Datenbank
 IF db_id('EHEC_DB') is not null
   BEGIN;
-	PRINT 'EHEC_DB existiert bereits, sie wird nun geloescht und neu Gebaut'
+	PRINT 'EHEC_DB already EXISTS, db will be deleted for a new creation.'
 	USE [master];
 	DROP DATABASE EHEC_DB;
   END;
 ELSE
   BEGIN;
-	PRINT 'EHEC_DB existiert noch nicht, die Datenbank wird nun neu Gebaut';
+	PRINT 'EHEC_DB does NOT EXISTS,  the db will be created now...';
   END;
 GO
 
@@ -273,9 +282,11 @@ VALUES
   ('EHEC-D'),
   ('EHEC-E')
 GO
-
-
 -- --------------------------------------------------
-PRINT 'Erfolgreich!';
+PRINT 'Set Singleuser mode back to Multiuser mode.';
+-- set DB back to Multiuser so multiconnections are alowed again.
+ALTER DATABASE EHEC_DB SET MULTI_USER
+-- --------------------------------------------------
+PRINT 'Successfull created your DB!';
 -- Script has ended
 -- --------------------------------------------------
\ No newline at end of file