Elasticsearch has_child queries throw error if queryName is set.

gistfile1.txt

# cleanup
curl -XDELETE 'http://localhost:9200/twtest'
 
# create index mappings
curl -XPOST 'http://localhost:9200/twtest' -d '{
  "mappings": {
    "account": {
      "_id": {
        "path": "accountid"
      },
      "properties": {
        "accountid": {
          "type": "string",
          "index": "not_analyzed"
        }
      }
    },
    "post": {
      "_id": {
        "path": "postid"
      },
      "_parent": {
        "type": "account"
      },
      "properties": {
        "postid": {
          "type": "string",
          "index": "not_analyzed"
        }
      }
    }
  }
}'

# add documents
curl -XPOST "http://localhost:9200/twtest/account/" -d '{"accountid": "acc1"}'
curl -XPOST "http://localhost:9200/twtest/post?parent=acc1" -d '{"postid": "p1"}'
curl -XPOST "http://localhost:9200/twtest/post?parent=acc1" -d '{"postid": "p2"}'

gistfile2.txt

# named has_child query
curl -XPOST "http://localhost:9200/twtest/account/_search?pretty=true" -d '{
   "query": {
      "has_child": {
         "query": {
            "term": {
               "postid": "p1"
            }
         },
         "child_type": "post",
         "_name": "somename"
      }
   }
}'

# error response
{
  "took" : 4,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 4,
    "failed" : 1,
    "failures" : [ {
      "index" : "twtest",
      "shard" : 1,
      "status" : 500,
      "reason" : "ElasticSearchIllegalStateException[has_child filter hasn't executed properly]"
    } ]
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,
    "hits" : [ ]
  }
}

gistfile3.txt

# has_child query wrapped in named boolean query
curl -XPOST "http://localhost:9200/twtest/account/_search?pretty=true" -d '{
   "query": {
      "bool": {
         "should": {
            "has_child": {
               "query": {
                  "term": {
                     "postid": "p2"
                  }
               },
               "child_type": "post"
            }
         },
         "_name": "somename"
      }
   }
}'

# error response
{
  "took" : 4,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 4,
    "failed" : 1,
    "failures" : [ {
      "index" : "twtest",
      "shard" : 1,
      "status" : 500,
      "reason" : "ElasticSearchIllegalStateException[has_child filter hasn't executed properly]"
    } ]
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,
    "hits" : [ ]
  }
}