/// <summary>
 /// sql执行时的策略执行器的调用
 /// </summary>
 /// <param name="mgr"></param>
 /// <param name="policies"></param>
 /// <param name="info"></param>
 public static void InvokeExecutePolicyExecutors <T>(this ILuaSqlPolicyManager mgr,
                                                     IDictionary <string, ISqlConfigPolicy> policies, T info)
     where T : ILuaSqlPolicyExecutorInfo, ILuaSqlExecutePolicyExecutorInfo
 {
     mgr.InvokeExecutors(policies, info, typeof(ILuaSqlExecutePolicyExecutorInfo));
 }