education-aggs.es

GET person/person/_search?request_cache=false
{
   "from":0,
   "size":0,
   "_source":"*",
   "query":{
      "bool":{
         "must":[

         ],
         "must_not":[

         ],
         "filter":[

            {
               "exists":{
                  "field":"currentTitle"
               }
            }
         ]
      }
   },
   "aggs":{
      "group_by_parent":{
         "nested":{
            "path":"education"
         },
         "aggs":{
            "group_by":{
               "terms":{
                  "field":"education.school.keyword"
               }
            }
         }
      }
   }
}