public async Task <RedisClientFactory> QueryByName(string name) { RedisClientFactory factory = null; await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, _redisConnectionFactory.CreateReadForRedisClientFactory(), async (conn, transaction) => { SqlTransaction sqlTran = null; if (transaction != null) { sqlTran = (SqlTransaction)transaction; } await using (SqlCommand command = new SqlCommand() { Connection = (SqlConnection)conn, CommandType = CommandType.Text, CommandText = string.Format(@"SELECT {0} FROM [RedisClientFactory] WHERE name=@name;", StoreHelper.GetRedisClientFactoryStoreSelectFields(string.Empty)), Transaction = sqlTran }) { var parameter = new SqlParameter("@name", SqlDbType.VarChar, 150) { Value = name }; command.Parameters.Add(parameter); await command.PrepareAsync(); SqlDataReader reader = null; await using (reader = await command.ExecuteReaderAsync()) { if (await reader.ReadAsync()) { factory = new RedisClientFactory(); StoreHelper.SetRedisClientFactoryStoreSelectFields(factory, reader, string.Empty); } await reader.CloseAsync(); } } }); return(factory); }