C# (CSharp) RiakClient.Models.MapReduce RiakMapReduceQuery.Inputs Examples

Example #1

File: WhenUsingFluentKeyFilters.cs Project: basho/riak-dotnet-client

        public void StartsWithFindsAllKeys()
        {
            for (int i = 0; i < 10; i++)
            {
                Client.Put(new RiakObject(Bucket, string.Format("time_{0}", i), EmptyBody,
                    RiakConstants.ContentTypes.ApplicationJson));
            }

#pragma warning disable 618
            var mr = new RiakMapReduceQuery();
            mr.Inputs(Bucket)
                .Filter(f => f.StartsWith("time"))
                .MapJs(m => m.Source("function (o) { return [1]; }"))
                .ReduceJs(r => r.Name("Riak.reduceSum").Keep(true));
#pragma warning restore 618

            var result = Client.MapReduce(mr);
            result.IsSuccess.ShouldBeTrue();

            var mrResult = result.Value;
            mrResult.PhaseResults.ShouldNotBeNull();
            mrResult.PhaseResults.Count().ShouldEqual(2);

            mrResult.PhaseResults.ElementAt(0).Phase.ShouldEqual(0u);
            mrResult.PhaseResults.ElementAt(1).Phase.ShouldEqual(1u);

            mrResult.PhaseResults.ElementAt(0).Values.Count().ShouldEqual(0);
            mrResult.PhaseResults.ElementAt(1).Values.Count().ShouldNotEqual(0);


            var values = result.Value.PhaseResults.ElementAt(1).GetObjects<int[]>().First();
            values[0].ShouldEqual(10);
        }

Example #2

File: WhenUsingFluentKeyFilters.cs Project: josephjeganathan/riak-dotnet-client

        public void EqualsFindsOneKey()
        {
            for (int i = 0; i < 10; i++)
            {
                Client.Put(new RiakObject(Bucket, string.Format("time_{0}", i), EmptyBody,
                    RiakConstants.ContentTypes.ApplicationJson));
            }

            var mr = new RiakMapReduceQuery();

            mr.Inputs(Bucket)
#pragma warning disable 618
                .Filter(f => f.Equal("time_8"))
#pragma warning restore 618
                .MapJs(m => m.Source("function (o) { return [1]; }"))
                .ReduceJs(r => r.Name("Riak.reduceSum").Keep(true));

            var result = Client.MapReduce(mr);
            result.IsSuccess.ShouldBeTrue();

            var mrResult = result.Value;
            mrResult.PhaseResults.ShouldNotBeNull();
            mrResult.PhaseResults.Count().ShouldEqual(2);

            mrResult.PhaseResults.ElementAt(0).Phase.ShouldEqual(0u);
            mrResult.PhaseResults.ElementAt(1).Phase.ShouldEqual(1u);

            mrResult.PhaseResults.ElementAt(0).Values.Count().ShouldEqual(0);
            mrResult.PhaseResults.ElementAt(1).Values.Count().ShouldNotEqual(0);


            var values = JsonConvert.DeserializeObject<int[]>(mrResult.PhaseResults
                                                                      .ElementAt(1)
                                                                      .Values
                                                                      .First()
                                                                      .FromRiakString());

            values[0].ShouldEqual(1);
        }

Example #3

File: WhenUsingFluentKeyFilters.cs Project: josephjeganathan/riak-dotnet-client

        public void StartsWithAndBetweenReturnASubsetOfAllKeys()
        {
            for (var i = 0; i < 10; i++)
            {
                Client.Put(new RiakObject(Bucket, string.Format("time_{0}", i), EmptyBody,
                    RiakConstants.ContentTypes.ApplicationJson));
            }

            var mr = new RiakMapReduceQuery();

            mr.Inputs(Bucket)
#pragma warning disable 618
                .Filter(f => f.And(l => l.StartsWith("time"),
                                   r => r.Tokenize("_", 2)
                                            .StringToInt()
                                            .Between(3, 7, true)))
#pragma warning restore 618
                .MapJs(m => m.Source("function (o) { return [1]; }").Keep(false))
                .ReduceJs(r => r.Name("Riak.reduceSum").Keep(true));

            var result = Client.MapReduce(mr);
            result.IsSuccess.ShouldBeTrue();

            var mrResult = result.Value;
            mrResult.PhaseResults.ShouldNotBeNull();
            mrResult.PhaseResults.Count().ShouldEqual(2);

            var values = result.Value.PhaseResults.ElementAt(1).GetObjects<int[]>().First();
            values[0].ShouldEqual(5);
        }