aws/aws-sdk-net

        List<string> partionKeys = new List<string>() { "52049E96-14FA-4960-B3CE-F7400C4AC6CD", "01F3DF08-4D0F-4E92-BBE3-8E46BA77E73B", "52117BC1-7256-4C36-868E-465DB2178286" };

        if (!string.IsNullOrEmpty(TableName))
        {
            AWSConfigsDynamoDB.Context.TypeMappings[typeof(Plan)] = new Amazon.Util.TypeMapping(typeof(Plan), TableName);
        }

        var start = DateTime.Now;
        int totalCount = 0;

        var config = new DynamoDBContextConfig { Conversion = DynamoDBEntryConversion.V2 };
        var client = new AmazonDynamoDBClient(new StoredProfileAWSCredentials("sandbox"), RegionEndpoint.EUWest1);
        DbContext = new DynamoDBContext(client, config);
        var opConfig = new DynamoDBOperationConfig { IndexName = "OrganizationId-Created-index" };

        opConfig.QueryFilter =
            new List<ScanCondition>
            {
                new ScanCondition("Status", ScanOperator.Equal, 10),
                new ScanCondition("Status", ScanOperator.Equal, 4),
                new ScanCondition("PlanType", ScanOperator.Equal, "SML"),
                //new ScanCondition("NormalRoadConditions", ScanOperator.Equal, true)

            };

        foreach (var partionKey in partionKeys)
        {
            var result = Program.DbContext.QueryAsync<Plan>(partionKey.ToLower(), opConfig);

            while (!result.IsDone)
            {
                var plans = result.GetNextSetAsync().Result;

                totalCount += plans.Count;
            }

        }