- 修复 MySql 枚举表达式 == 解析成数字的 bug；

- 增加 Connection 对象扩展方法，实现像 Dapper 的使用习惯；

FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs

@@ -236,7 +236,20 @@ namespace FreeSql.Tests.MySql {
 		}
 		[Fact]
 		public void ToSql() {
+			g.mysql.Insert<testenumWhere>().AppendData(new testenumWhere { type = testenumWhereType.Blaaa }).ExecuteAffrows();
+
+			var sql1 = g.mysql.Select<testenumWhere>().Where(a => a.type == testenumWhereType.Blaaa).ToSql();
+			var sql2 = g.mysql.Select<testenumWhere>().Where(a => testenumWhereType.Blaaa == a.type).ToSql();
+
+			var sql3 = g.mysql.Select<testenumWhere>().Where(a => a.type.Equals(testenumWhereType.Blaaa)).ToSql();
+			var tolist = g.mysql.Select<testenumWhere>().Where(a => a.type == testenumWhereType.Blaaa).ToList();
 		}
+		class testenumWhere {
+			public Guid id { get; set; }
+			public testenumWhereType type { get; set; }
+		}
+		public enum testenumWhereType { Menu, Class, Blaaa }
+
 		[Fact]
 		public void Any() {
 			var count = select.Where(a => 1 == 1).Count();

FreeSql.Tests/MySql/MySqlConnectionExtensionsTest.cs

@@ -0,0 +1,84 @@
+using FreeSql.DataAnnotations;
+using MySql.Data.MySqlClient;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.MySql {
+	public class MySqlConnectionExtensions {
+
+		string _connectString = "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=10";
+
+		[Fact]
+		public void Insert() {
+			var affrows = 0;
+			using (var conn = new MySqlConnection(_connectString)) {
+				var item = new TestConnectionExt { title = "testinsert" };
+				affrows = conn.Insert<TestConnectionExt>().AppendData(item).ExecuteAffrows();
+				conn.Close();
+			}
+			Assert.Equal(1, affrows);
+		}
+		[Fact]
+		public void Update() {
+			var affrows = 0;
+			using (var conn = new MySqlConnection(_connectString)) {
+				var item = new TestConnectionExt { title = "testupdate" };
+				affrows = conn.Insert<TestConnectionExt>().AppendData(item).ExecuteAffrows();
+				Assert.Equal(1, affrows);
+				item = conn.Select<TestConnectionExt>().First();
+				affrows = conn.Update<TestConnectionExt>().SetSource(item).Set(a => a.title, "testupdated").ExecuteAffrows();
+				conn.Close();
+			}
+			Assert.Equal(1, affrows);
+		}
+		[Fact]
+		public void Delete() {
+			var affrows = 0;
+			using (var conn = new MySqlConnection(_connectString)) {
+				var item = new TestConnectionExt { title = "testdelete" };
+				affrows = conn.Insert<TestConnectionExt>().AppendData(item).ExecuteAffrows();
+				Assert.Equal(1, affrows);
+				affrows = conn.Delete<TestConnectionExt>().Where(item).ExecuteAffrows();
+				conn.Close();
+			}
+			Assert.Equal(1, affrows);
+		}
+		[Fact]
+		public void Select() {
+			var list = new List<TestConnectionExt>();
+			var affrows = 0;
+			using (var conn = new MySqlConnection(_connectString)) {
+				var item = new TestConnectionExt { title = "testselect" };
+				affrows = conn.Insert<TestConnectionExt>().AppendData(item).ExecuteAffrows();
+				Assert.Equal(1, affrows);
+				list = conn.Select<TestConnectionExt>().Where(a => a.id == item.id).ToList();
+				conn.Close();
+			}
+			Assert.Single(list);
+		}
+
+		[Fact]
+		public void Query() {
+			var list = new List<TestConnectionExt>();
+			var affrows = 0;
+			using (var conn = new MySqlConnection(_connectString)) {
+				var item = new TestConnectionExt { title = "testquery" };
+				affrows = conn.Insert<TestConnectionExt>().AppendData(item).ExecuteAffrows();
+				Assert.Equal(1, affrows);
+				list = conn.Query<TestConnectionExt>("select * from TestConnectionExt where id = ?id", new { id = item.id });
+				conn.Close();
+			}
+			Assert.Single(list);
+		}
+
+		class TestConnectionExt {
+			public Guid id { get; set; }
+			public string title { get; set; }
+			public DateTime createTime { get; set; } = DateTime.Now;
+		}
+	}
+}