Function score query

A function_score query has its query and functions analyzed then is simply passed through to the search service. This means that any protected fields contained in the query or functions will be converted to protected tokens before being sent to the search service.

Reference the ElasticSearch documentation for a description and configuration options.

Example

JSON

{
  "query": {
    "function_score": {
      "query": { "match_all": {} },
      "boost": "5", 
      "functions": [
        {
          "filter": { "match": { "test": "bar" } },
          "random_score": {}, 
          "weight": 23
        },
        {
          "filter": { "match": { "test": "cat" } },
          "weight": 42
        }
      ],
      "max_boost": 42,
      "score_mode": "max",
      "boost_mode": "multiply",
      "min_score": 42
    }
  }
}