Adding additional fields to ElasticSearch terms aggregation

Question

Indexed documents are like:

{
  id: 1, 
  title: \'Blah\',
  ...
  platform: {id: 84, url: \'http://facebook.com\', title: \'Facebook\'}
  ...
}

<

Answer 1

If you don't necessarily need to get the value of platform.id, you could get away with a single aggregation instead using a script that concatenates the two fields name and url:

aggs: {
  platforms: {
    terms: {script: 'doc["platform.name"].value + "," + doc["platform.url"].value'}
  }
}