- 增加 ISelect.ToDataTable 系列方法；

- 增加 无参数化命令执行，可配置全局 ICodeFirst.IsNoneCommandParameter、或临时 IInsert/IUpdate.NoneParameter() 便于调试；
- 关闭 自动同步结构功能，避免线上环境误操作；
- 优化 IInsert 批量插入容易导致 values 过多、或参数化过多的问题，5个数据库均已优化；

FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs

@@ -13,7 +13,7 @@ namespace FreeSql.Tests.SqlServer {
 		class Topic {
 			[Column(IsIdentity = true, IsPrimary = true)]
 			public int Id { get; set; }
-			public int Clicks { get; set; }
+			public int? Clicks { get; set; }
 			public int TestTypeInfoGuid { get; set; }
 			public TestTypeInfo Type { get; set; }
 			public string Title { get; set; }
@@ -490,7 +490,7 @@ namespace FreeSql.Tests.SqlServer {
 		}
 		[Fact]
 		public void ToAggregate() {
-			var sql = select.ToAggregate(a => new { sum = a.Sum(a.Key.Id + 11.11), avg = a.Avg(a.Key.Id), count = a.Count(), max = a.Max(a.Key.Id), min = a.Min(a.Key.Id) });
+			var sql = select.ToAggregate(a => new { sum = a.Sum(a.Key.Id + 11.11), avg = a.Avg(Convert.ToInt64(a.Key.Id)), count = a.Count(), max = a.Max(a.Key.Id), min = a.Min(a.Key.Id) });
 		}
 		[Fact]
 		public void OrderBy() {