## v0.3.21

- 增加 IUpdate IgnoreColumns 重载方法，支持传入字符串数组忽略修改；
- 完善 FreeSql.DbContext，支持对象操作 + SaveChanges 最后保存操作；

Examples/dbcontext_01/Controllers/ValuesController.cs

@@ -28,19 +28,70 @@ namespace dbcontext_01.Controllers
 			try {
 				using (var ctx = new SongContext()) {
 
-					id = await ctx.Songs.Insert(new Song { }).ExecuteIdentityAsync();
+					var song = new Song { };
+					ctx.Songs.Add(song);
+					id = song.Id;
 
-					var item = await ctx.Songs.Select.Where(a => a.Id == id).FirstAsync();
+					var adds = Enumerable.Range(0, 100)
+						.Select(a => new Song { Create_time = DateTime.Now, Is_deleted = false, Title = "xxxx" + a, Url = "url222" })
+						.ToList();
+					ctx.Songs.AddRange(adds);
 
-					throw new Exception("回滚");
+					for (var a = 0; a < adds.Count; a++)
+						adds[a].Title = "dkdkdkdk" + a;
 
+					ctx.Songs.UpdateRange(adds);
+
+					ctx.Songs.RemoveRange(adds.Skip(10).Take(20).ToList());
+
+					//ctx.Songs.Update(adds.First());
+
+					adds.Last().Url = "skldfjlksdjglkjjcccc";
+					ctx.Songs.Update(adds.Last());
+
+					//throw new Exception("回滚");
+
+					ctx.SaveChanges();
+				}
+
+				using (var ctx = new SongContext()) {
+
+					var song = new Song { };
+					await ctx.Songs.AddAsync(song);
+					id = song.Id;
+
+					var adds = Enumerable.Range(0, 100)
+						.Select(a => new Song { Create_time = DateTime.Now, Is_deleted = false, Title = "xxxx" + a, Url = "url222" })
+						.ToList();
+					await ctx.Songs.AddRangeAsync(adds);
+
+					for (var a = 0; a < adds.Count; a++)
+						adds[a].Title = "dkdkdkdk" + a;
+
+					ctx.Songs.UpdateRange(adds);
+
+					ctx.Songs.RemoveRange(adds.Skip(10).Take(20).ToList());
+
+					//ctx.Songs.Update(adds.First());
+
+					adds.Last().Url = "skldfjlksdjglkjjcccc";
+					ctx.Songs.Update(adds.Last());
+
+					//throw new Exception("回滚");
+
+					await ctx.SaveChangesAsync();
 				}
 			} catch {
 				var item = await _orm.Select<Song>().Where(a => a.Id == id).FirstAsync();
 
 				throw;
 			}
-        }
+
+			var item22 = await _orm.Select<Song>().Where(a => a.Id == id).FirstAsync();
+			var item33 = await _orm.Select<Song>().Where(a => a.Id > id).ToListAsync();
+
+			return item22.Title;
+		}
 
         // GET api/values/5
         [HttpGet("{id}")]

Examples/orm_vs/Program.cs

@@ -41,6 +41,12 @@ namespace orm_vs
 				//optionsBuilder.UseMySql("Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Min Pool Size=21;Max Pool Size=21");
 			}
 		}
+		class FreeSongContext: FreeSql.DbContext {
+			public FreeSql.DbSet<Song> Songs { get; set; }
+			protected override void OnConfiguring(FreeSql.DbContextOptionsBuilder builder) {
+				builder.UseFreeSql(fsql);
+			}
+		}
 
 		static void Main(string[] args) {
 
@@ -143,8 +149,14 @@ namespace orm_vs
 			Stopwatch sw = new Stopwatch();
 
 			sw.Restart();
-			for (var a = 0; a < forTime; a++)
-				fsql.Insert(songs).ExecuteAffrows();
+			for (var a = 0; a < forTime; a++) {
+				//fsql.Insert(songs).ExecuteAffrows();
+				using (var db = new FreeSongContext()) {
+					//db.Configuration.AutoDetectChangesEnabled = false;
+					db.Songs.AddRange(songs.ToArray());
+					db.SaveChanges();
+				}
+			}
 			sw.Stop();
 			sb.AppendLine($"FreeSql Insert {size}条数据，循环{forTime}次，耗时{sw.ElapsedMilliseconds}ms");
 

Examples/orm_vs/orm_vs.csproj

@@ -12,6 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\FreeSql.DbContext\FreeSql.DbContext.csproj" />
     <ProjectReference Include="..\..\FreeSql\FreeSql.csproj" />
   </ItemGroup>