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  • Genesys PGR
  • Genesys BackendGenesys Backend
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  • #566
Closed
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Created Jan 25, 2021 by Matija Obreza@mobrezaOwner

ES aggregation by multiple terms

Please add a Junit test that will query the ES for count(species), aggregated by genus, species -- an aggregation of species within genus. See https://www.elastic.co/guide/en/elasticsearch/reference/6.8/search-aggregations-bucket-terms-aggregation.html

Use JUnit to print ES query and then apply it to your indexed ES.

GET /_search
{
    "aggs" : {
        "genus" : {
            "terms" : {
                "field" : "genus",
                // "order" : { "playback_stats.max" : "desc" }
            },
            "aggs" : {
                // "playback_stats" : { "stats" : { "field" : "play_count" } }
                "species": { "terms": { "field": "species" } },
                "aggs" : {
                 // "playback_stats" : { "stats" : { "field" : "play_count" } }
                   "origin.iso3166": { "terms": { "field": "origin.iso3166" } }
                }
            }
        }
    }
}

The result should be something like:

genus species count
Arabidopsis Arabidopsis thaliana 686,602
Hordeum Hordeum vulgare 235,395
Hordeum Hordeum Hordeum vulgare 17,788
Hordeum ... .
Triticum Triticum aestivum 332,060
Triticum Triticum turgidum 73,364
Triticum Triticum triticum aestivum 29,196

How can we control the number of results?

For genesys-ui#782

Edited Jan 25, 2021 by Matija Obreza
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