More SQL optimizations.

Fixes: 26866

[TFS Changeset #65734]

umbraco/datalayer/StringExtensions.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace umbraco.DataLayer
+{
+    public static class StringExtensions
+    {
+
+        /// <summary>
+        /// This trims all white spaces from beginning and end of the string and removes any line breaks (repacing with a space)
+        /// </summary>
+        /// <param name="str"></param>
+        /// <returns></returns>
+        public static string TrimToOneLine(this string str)
+        {
+            return str.Replace(Environment.NewLine, " ").Trim();
+        }
+
+    }
+}