35 lines
937 B
Plaintext
35 lines
937 B
Plaintext
[[java-aggs-bucket-missing]]
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==== Missing Aggregation
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Here is how you can use
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{ref}/search-aggregations-bucket-missing-aggregation.html[Missing Aggregation]
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with Java API.
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===== Prepare aggregation request
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Here is an example on how to create the aggregation request:
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[source,java]
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--------------------------------------------------
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AggregationBuilders.missing("agg").field("gender");
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--------------------------------------------------
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===== Use aggregation response
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Import Aggregation definition classes:
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[source,java]
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--------------------------------------------------
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import org.elasticsearch.search.aggregations.bucket.missing.Missing;
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--------------------------------------------------
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[source,java]
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--------------------------------------------------
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// sr is here your SearchResponse object
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Missing agg = sr.getAggregations().get("agg");
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agg.getDocCount(); // Doc count
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--------------------------------------------------
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