elastic search bug when running top_children queries

es_tcbug.sh

#!/bin/bash

echo "attempting index delete"
result=`curl -s -XDELETE 'http://localhost:9200/tcbug?pretty=true'`
echo "$result"

echo "attempting index creation"
result=`curl -s -XPOST 'http://localhost:9200/tcbug?pretty=true' -d '{
    "index": {
        "number_of_shards": 1, 
        "number_of_replicas": 1,
        "analysis": {
            "analyzer": {
                "default": {
                    "tokenizer": "standard",
                    "filter": ["standard", "lowercase", "asciifolding", "shingle", "stop"]
                }
            }
        }
    }
}'`
echo "$result"

echo "checking index status"
result=`curl -s -XGET 'http://localhost:9200/tcbug/_settings?pretty=true'`
echo "$result"


echo "creating parent mapping"
result=`curl -s -XPUT 'http://localhost:9200/tcbug/pm/_mapping?pretty=true' -d '
{
    "pm": {
        "_source" : {"enabled" : false},
        "properties": {
            "pid":        {"type": "string", "store": "yes", "index": "not_analyzed"}
        }
    }
}'`
echo $result

echo "creating child mapping"
result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/_mapping?pretty=true' -d '
{
    "cm": {
        "_parent": {"type": "pm"},
        "_source" : {"enabled" : false},
        "properties": {
            "cid":         {"type": "string", "store": "yes", "index": "not_analyzed"}
        }
    }
}'`
echo "$result"


echo "creating parent"
result=`curl -s -XPUT 'http://localhost:9200/tcbug/pm/p1' -d '
{
    "pid" : "p1"
}'`
echo "$result"

echo "creating child"
result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c1?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c2?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c3?parent=p1' -d '
{
    "cid" : "c1"
}'`



result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c4?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c5?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c6?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c7?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c8?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c9?parent=p1' -d '
{
    "cid" : "c1"
}'`

result=`curl -s -XPUT 'http://localhost:9200/tcbug/cm/c10?parent=p1' -d '
{
    "cid" : "c1"
}'`

curl -s -XPOST 'http://localhost:9200/tcbug/_refresh'

#echo "direct query"
#result=`curl -s -XGET 'http://localhost:9200/tcbug/cm/_search?pretty=true' -d '
#{
#  "query": {
#    "term": {
#      "cid": "c1"
#    }
#  }
#}'`
#echo "$result"

echo "children query"
result=`curl -s -XGET 'http://localhost:9200/tcbug/pm/_search?fields=*&pretty=true' -d '
{"size":2,
 "query": {
    "top_children" : {
        "type": "cm",
        "query" : {
            "term" : {
                "cid" : "c1"
            }
        },
        "score" : "max",
        "factor" : 3,
        "incremental_factor" : 4
    }
}}'`
echo "$result"

echo "children query"
result=`curl -s -XGET 'http://localhost:9200/tcbug/pm/_search?fields=*&pretty=true' -d '
{"size":1,
 "query": {
    "top_children" : {
        "type": "cm",
        "query" : {
            "term" : {
                "cid" : "c1"
            }
        },
        "score" : "max",
        "factor" : 10,
        "incremental_factor" : 2
    }
}}'`
echo "$result"