From bb9070098dcc5b76d9eaf2be7e207e43a8a41d97 Mon Sep 17 00:00:00 2001
From: Lombiq <registrator@lombiq.com>
Date: Wed, 19 Mar 2014 01:31:20 +0100
Subject: [PATCH] #20539: Using reliable transactions when on SQL Azure

Work Item: 20539
---
 .../Data/Providers/SqlServerDataServicesProvider.cs    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Orchard/Data/Providers/SqlServerDataServicesProvider.cs b/src/Orchard/Data/Providers/SqlServerDataServicesProvider.cs
index c7dbd6b61..139dea186 100644
--- a/src/Orchard/Data/Providers/SqlServerDataServicesProvider.cs
+++ b/src/Orchard/Data/Providers/SqlServerDataServicesProvider.cs
@@ -27,7 +27,7 @@ namespace Orchard.Data.Providers {
             persistence = persistence.ConnectionString(_connectionString);
 
             // when using Sql Server Azure, use a specific driver, c.f. https://orchard.codeplex.com/workitem/19315
-            if (_connectionString.ToLowerInvariant().Contains("database.windows.net")) {
+            if (IsAzureSql()) {
                 persistence = persistence.Driver<SqlAzureClientDriver>();
             }
 
@@ -36,6 +36,14 @@ namespace Orchard.Data.Providers {
 
         protected override void AlterConfiguration(Configuration config) {
             config.SetProperty(NHibernate.Cfg.Environment.PrepareSql, Boolean.TrueString);
+
+            if (IsAzureSql()) {
+                config.SetProperty(NHibernate.Cfg.Environment.TransactionStrategy, typeof(ReliableAdoNetWithDistributedTransactionFactory).AssemblyQualifiedName);
+            }
+        }
+
+        private bool IsAzureSql() {
+            return _connectionString.ToLowerInvariant().Contains("database.windows.net");
         }
     }
 }
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