- 增加 IUpdate.WhereCaseSource 方法，实现批量修改时的条件判断；

- 增加 FreeSql.DbContext 行级锁；

FreeSql.DbContext/DbContext/DbContextOptionsBuilder.cs

@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Text;
+
+namespace FreeSql {
+	public class DbContextOptionsBuilder {
+
+		internal IFreeSql _fsql;
+
+		public DbContextOptionsBuilder UseFreeSql(IFreeSql orm) {
+			_fsql = orm;
+			return this;
+		}
+	}
+}