- 增加 PostgreSQL 特有功能 On Conflict Do Update 功能；

FreeSql.Tests/FreeSql.Tests/UnitTest1.cs

@@ -427,6 +427,10 @@ namespace FreeSql.Tests
         [Fact]
         public void Test1()
         {
+
+
+            g.sqlite.Update<Model1>(1).NoneParameter().Set(a => a.title, null).ExecuteAffrows();
+
             var testExNewRet1 = g.sqlite.Delete<TestAddEnumEx>().Where("1=1").ExecuteAffrows();
             var testExNewRet2 = g.sqlite.Insert<TestAddEnumEx>(new TestAddEnumEx { Id = 1, Type = TestAddEnumType.中国人 }).ExecuteAffrows();
             var testExNewRet3 = g.sqlite.Insert<TestAddEnumEx>(new TestAddEnumEx { Id = 2, Type = TestAddEnumType.日本人 }).ExecuteAffrows();
@@ -858,8 +862,6 @@ namespace FreeSql.Tests
 
 
 
-
-
             var ttt1 = g.sqlite.Select<Model1>().Where(a => a.Childs.AsSelect().Any(b => b.Title == "111")).ToList();