Terms Aggregation

  • Recall first aggregation query:
    curl -XPOST 'localhost:9200/orders/orders/_search?pretty=true' \
    -H 'content-type: application/json' \
    -d '
    {
    "size": 0, 
    "aggregations": {
      "order-status": {
        "terms": {
          "field": "status.keyword"
        }
      }
    }
    }'
    
  • size": 0 - suppress raw query results to return aggregations only
  • "aggregations" or "aggs" - part of ElasticSearch Dsl
  • "order-status" - an arbitrary name for aggregation
  • "terms" - type of aggregation to use
  • Why the field is "status.keyword" rather than "status"?

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