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Elastic Docs ›Elasticsearch.Net and NEST: the .NET clients [2.x] ›Aggregations ›Bucket Aggregations

Handling responses

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Handling responses

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Using the .Aggs aggregation helper on ISearchResponse<T>, we can fetch our aggregation results easily in the correct type. Be sure to read more about .Aggs vs .Aggregations

Handling Responses

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response.ShouldBeValid();

var dateHistogram = response.Aggs.DateHistogram("projects_started_per_month");
dateHistogram.Should().NotBeNull();
dateHistogram.Buckets.Should().NotBeNull();
dateHistogram.Buckets.Count.Should().BeGreaterThan(10);
foreach (var item in dateHistogram.Buckets)
{
    item.Date.Should().NotBe(default(DateTime));
    item.DocCount.Should().BeGreaterThan(0);

    var nested = item.Nested("project_tags");
    nested.Should().NotBeNull();

    var nestedTerms = nested.Terms("tags");
    nestedTerms.Buckets.Count.Should().BeGreaterThan(0);
}
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