/// <summary>
/// 删除过期的财务指标
/// （就是已经不用显示的季度）
/// </summary>
private static void DeleteOverdueFinaceIndex(ulong securityID)
{
List <DateTime> lstExistDate = MongoDBHelper.AsQueryable <FinanceIndexInfo>().Where(m => m.SecurityID == securityID).Select(m => m.EndDate).ToList();
List <DateTime> listDate = TransferHelper.GetFinanceDate();
List <DateTime> lstOverdueDate = lstExistDate.Except(listDate).ToList();
foreach (DateTime overdueDate in lstOverdueDate)
{
string delFilter = "EndDate:ISODate(\"" + overdueDate.ToString("yyyy-MM-dd") + "T00:00:00.000+0800\")";
MongoDBHelper.DeleteManyAsync <FinanceIndexInfo>(delFilter);
}
}