public virtual async Task Update(RunningHistory history)
 {
     using (var conn = CreateDbConnection())
     {
         await conn.ExecuteAsync($"UPDATE runninghistory SET status=@Status, lastmodificationtime = {GetDateSql} WHERE {LeftEscapeSql}identity{RightEscapeSql} = @Identity", new { history.Identity });
     }
 }
 public virtual async Task Add(RunningHistory history)
 {
     using (var conn = CreateDbConnection())
     {
         //  第一次添加则默认为 Init 状态
         history.Status = Common.Status.Init;
         await conn.ExecuteAsync($"INSERT INTO runninghistory ({LeftEscapeSql}identity{RightEscapeSql},jobid,priority,status,creationtime) VALUES (@Identity,@JobId, @Priority,@Status,{GetDateSql})", history);
     }
 }