Implementing Random sort criteria in Projector

--HG--
branch : 1.x

src/Orchard.Tests/ContentManagement/HqlExpressionTests.cs

@@ -941,14 +941,12 @@ namespace Orchard.Tests.ContentManagement {
 
             var firstResults = new List<int>();
 
-            var rand = new Randomizer(123);
-
             for (int i = 0; i < 10; i++) {
-                result = _manager.HqlQuery().Join(alias => alias.ContentPartRecord<LambdaRecord>()).OrderBy(x => x.Named("civ"), order => order.Random(rand.Next(1000))).List();
+                result = _manager.HqlQuery().Join(alias => alias.ContentPartRecord<LambdaRecord>()).OrderBy(x => x.Named("civ"), order => order.Random()).List();
                 firstResults.Add(result.First().As<LambdaPart>().Record.IntegerStuff);
             }
 
-            Assert.That(result.Distinct().Count(), Is.GreaterThan(1));
+            Assert.That(firstResults.Distinct().Count(), Is.GreaterThan(1));
         }
 
         [Test]

src/Orchard/ContentManagement/DefaultHqlQuery.cs

@@ -228,7 +228,7 @@ namespace Orchard.ContentManagement {
                 sort.Item2(sortFactory);
 
                 if (sortFactory.Randomize) {
-                    sb.Append(" rand(" + sortFactory.Seed + ")");
+                    sb.Append(" newid()");
                 }
                 else {
                     sb.Append(sort.Item1.Name).Append(".").Append(sortFactory.PropertyName);
@@ -349,7 +349,6 @@ namespace Orchard.ContentManagement {
         public bool Ascending { get; set; }
         public string PropertyName { get; set; }
         public bool Randomize { get; set; }
-        public int Seed { get; set; }
 
         public void Asc(string propertyName) {
             PropertyName = propertyName;
@@ -361,8 +360,7 @@ namespace Orchard.ContentManagement {
             Ascending = false;
         }
 
-        public void Random(int seed) {
-            Seed = seed;
+        public void Random() {
             Randomize = true;
         }
     }

src/Orchard/ContentManagement/IHqlQuery.cs

@@ -176,7 +176,7 @@ namespace Orchard.ContentManagement {
         /// <summary>
         /// Sorts randomly
         /// </summary>
-        void Random(int seed);
+        void Random();
     }
 }