Class: Elasticsearch::DSL::Search::Aggregations::Cardinality

Inherits:

Object

• Object
• Elasticsearch::DSL::Search::Aggregations::Cardinality

Includes:

BaseComponent

Defined in:

lib/elasticsearch/dsl/search/aggregations/cardinality.rb

Overview

A single-value metric aggregation which returns the approximate count of distinct values

Examples:

search do
  aggregation :authors do
    cardinality do
      field 'author'
  end
end

See Also:

• https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-cardinality-aggregation.html

Method Summary

Methods included from BaseComponent

included, #initialize