From b8975de04dc562f8adf41d678e6a07886aade3ff Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Wed, 14 May 2014 18:55:08 +1000
Subject: [PATCH] Fixes: U4-4666 SQL Error when saving content with Tags
 property with @ value

---
 .../Persistence/Repositories/TagsRepository.cs             | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Core/Persistence/Repositories/TagsRepository.cs b/src/Umbraco.Core/Persistence/Repositories/TagsRepository.cs
index 1d11f8d3d4..030742b90e 100644
--- a/src/Umbraco.Core/Persistence/Repositories/TagsRepository.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/TagsRepository.cs
@@ -439,7 +439,12 @@ namespace Umbraco.Core.Persistence.Repositories
         /// <returns></returns>
         private static string GetTagSet(IEnumerable<ITag> tagsToInsert)
         {
-            var array = tagsToInsert.Select(tag => string.Format("select '{0}' as Tag, '{1}' as [Group]", tag.Text.Replace("'", "''"), tag.Group)).ToArray();
+            var array = tagsToInsert
+                .Select(tag =>
+                    string.Format("select '{0}' as Tag, '{1}' as [Group]",
+                        PetaPocoExtensions.EscapeAtSymbols(tag.Text.Replace("'", "''")),
+                        tag.Group))
+                .ToArray();
             return "(" + string.Join(" union ", array).Replace("  ", " ") + ") as TagSet";
         }