Merge pull request #425 from graemefoster/allow-updates-to-be-ordered

NH-3783 - Expose the existing IsOrderUpdatesEnabled property via configuration.

Author: hazzik

src/NHibernate/Cfg/Environment.cs

@@ -177,6 +177,9 @@ public static string Version
 		/// <summary> Enable ordering of insert statements for the purpose of more effecient batching.</summary>
 		public const string OrderInserts = "order_inserts";
 
+		/// <summary> Enable ordering of update statements for the purpose of more effecient batching.</summary>
+		public const string OrderUpdates = "order_updates";
+
 		public const string QueryModelRewriterFactory = "query.query_model_rewriter_factory";
 
 		/// <summary>

src/NHibernate/Cfg/SettingsFactory.cs

@@ -236,6 +236,10 @@ public Settings BuildSettings(IDictionary<string, string> properties)
 			log.Info("Order SQL inserts for batching: " + EnabledDisabled(orderInserts));
 			settings.IsOrderInsertsEnabled = orderInserts;
 
+			bool orderUpdates = PropertiesHelper.GetBoolean(Environment.OrderUpdates, properties, false);
+			log.Info("Order SQL updates for batching: " + EnabledDisabled(orderUpdates));
+			settings.IsOrderUpdatesEnabled = orderUpdates;
+
 			bool wrapResultSets = PropertiesHelper.GetBoolean(Environment.WrapResultSets, properties, false);
 			log.Debug("Wrap result sets: " + EnabledDisabled(wrapResultSets));
 			settings.IsWrapResultSetsEnabled = wrapResultSets;