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Tuesday 11 February 2014

TERM Facets with Excluding Terms

TERM Facets with Excluding Terms

Allow to specify a set of terms that should be excluded from the terms facet.

Here is an example:

POST Method:

http://localhost:9200/mobiles/_search?pretty=true

{
    "query": {
        "query_string": {
            "query": "*a*"
        }
    },
    "facets": {
        "type": {
            "terms": {
                "field": "_type",
                "exclude": [
                    "nokia"
                ]
            }
        }
    }
}

Results:

{
  "took": 2,
  "timed_out": false,
  "_shards": {
    "total": 1,
    "successful": 1,
    "failed": 0
  },
  "hits": {
    "total": 5,
    "max_score": 1,
    "hits": [
      {
        "_index": "mobiles",
        "_type": "nokia",
        "_id": "1",
        "_score": 1,
        "_source": {
          "name": "lumia 510"
        }
      },
      {
        "_index": "mobiles",
        "_type": "nokia",
        "_id": "2",
        "_score": 1,
        "_source": {
          "name": "lumia 520"
        }
      },
      {
        "_index": "mobiles",
        "_type": "nokia",
        "_id": "3",
        "_score": 1,
        "_source": {
          "name": "lumia 625"
        }
      },
      {
        "_index": "mobiles",
        "_type": "nokia",
        "_id": "4",
        "_score": 1,
        "_source": {
          "name": "lumia 720"
        }
      },
      {
        "_index": "mobiles",
        "_type": "micromax",
        "_id": "2",
        "_score": 1,
        "_source": {
          "name": "canvas"
        }
      }
    ]
  },
  "facets": {
    "type": {
      "_type": "terms",
      "missing": 0,
      "total": 5,
      "other": 4,
      "terms": [
        {
          "term": "micromax",
          "count": 1
        }
      ]
    }
  }
}

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