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Posted to issues@calcite.apache.org by "Andrei Sereda (JIRA)" <ji...@apache.org> on 2019/01/22 20:35:00 UTC

[jira] [Created] (CALCITE-2797) Support APPROX_COUNT_DISTINCT aggregate function in ElasticSearch

Andrei Sereda created CALCITE-2797:
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             Summary: Support APPROX_COUNT_DISTINCT aggregate function in ElasticSearch
                 Key: CALCITE-2797
                 URL: https://issues.apache.org/jira/browse/CALCITE-2797
             Project: Calcite
          Issue Type: Improvement
          Components: elasticsearch-adapter
            Reporter: Andrei Sereda
            Assignee: Julian Hyde


Use native elastic [cardinality|https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-cardinality-aggregation.html]  aggregation for {{APPROX_COUNT_DISTINCT}} 



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