- 增加 ISelect.OrderByRandom() 随机排序适配；

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs

@@ -903,6 +903,17 @@ namespace FreeSql.Tests.Odbc.MySql
         {
             var sql = select.OrderBy(a => new Random().NextDouble()).ToList();
         }
+        [Fact]
+        public void OrderByRandom()
+        {
+            var t1 = select.OrderByRandom().Limit(10).ToSql("1");
+            Assert.Equal(@"SELECT 1 
+FROM `tb_topic` a 
+ORDER BY rand() 
+limit 0,10", t1);
+            var t2 = select.OrderByRandom().Limit(10).ToList();
+        }
+
         [Fact]
         public void Skip_Offset()
         {