Elasticsearch: Java: range query

Range query is used to perform operations like greater than(>), less than (<), greater than or equal to (>=) and less than or equal to (<=).

Range query accepts below parameters.

Parameter	Meaning
gte	Greater than or equal to
gt	Greater than
lte	Less than or equal to
lt	Less than

{

  "query":{

    "range" : {

      "age" : {

        "gte" : 10,

        "lte" : 20,

        "boost" : 2.0

        }

    }

  }

}

Above query return all document where age is >= 10 and <= 20.

Note:

Range query also accepts ‘boost’ as parameter.  ‘boost’ parameter sets the boost value of the query, defaults to 1.0

QueryBuilder builder = QueryBuilders.rangeQuery("age").gte(10).lte(20);

Above java statement generates following json query.

{
  "range" : {
    "age" : {
      "from" : 10,
      "to" : 20,
      "include_lower" : true,
      "include_upper" : true
    }
  }
}

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