fix: configuration optimization

Disco.Data/Configuration/ConfigurationBase.cs

@@ -34,11 +34,11 @@ namespace Disco.Data.Configuration
 
         private void SetValue<T>(string Key, T Value)
         {
-            ConfigurationCache.SetValue(Database, this.Scope, Key, Value);
+            ConfigurationCache.Helpers<T>.SetValue(Database, this.Scope, Key, Value);
         }
         private T GetValue<T>(string Key, T Default)
         {
-            return ConfigurationCache.GetValue(Database, this.Scope, Key, Default);
+            return ConfigurationCache.Helpers<T>.GetValue(Database, this.Scope, Key, Default);
         }
 
         protected void Set<T>(T Value, [CallerMemberName] string Key = null)

Disco.Data/Configuration/ConfigurationCache.cs

@@ -202,7 +202,11 @@ namespace Disco.Data.Configuration
         #endregion
 
         #region Cache Getters/Setters
-        internal static T GetValue<T>(DiscoDataContext Database, string Scope, string Key, T Default)
+        internal static class Helpers<T>
+        {
+            private static readonly IEqualityComparer<T> comparer = EqualityComparer<T>.Default;
+
+            internal static T GetValue(DiscoDataContext Database, string Scope, string Key, T Default)
             {
                 var item = CacheGetItem(Database, Scope, Key);
 
@@ -254,12 +258,12 @@ namespace Disco.Data.Configuration
                     }
                 }
             }
-        internal static void SetValue<T>(DiscoDataContext Database, string Scope, string Key, T Value)
+            internal static void SetValue(DiscoDataContext Database, string Scope, string Key, T Value)
             {
                 Type valueType = typeof(T);
                 string stringValue;
 
-            if (Value == null)
+                if (comparer.Equals(Value, default(T)))
                 {
                     stringValue = null;
                 }
@@ -285,6 +289,8 @@ namespace Disco.Data.Configuration
 
                 CacheSetItem(Database, Scope, Key, stringValue, Value);
             }
+        }
+        
         #endregion
 
         #region Cache Helpers