# Can I sort has\_child query result by child's numeric field?
**URL:** https://discuss.elastic.co/t/can-i-sort-has-child-query-result-by-childs-numeric-field/18173
**Category:** Elasticsearch
**Created:** [June 18, 2014, 4:41am UTC](https://discuss.elastic.co/t/can-i-sort-has-child-query-result-by-childs-numeric-field/18173 "2014-06-18T04:41:56Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@fiefdx\_yang](https://discuss.elastic.co/u/fiefdx_yang)
#### Post date: [June 18, 2014, 4:41am UTC](https://discuss.elastic.co/t/can-i-sort-has-child-query-result-by-childs-numeric-field/18173/1 "2014-06-18T04:41:56Z")
I found this:
> **[Document relations - Berlin Buzzwords 2013](https://www.slideshare.net/martijnvg/document-relationsbbuz2013)**
>
> Document relations, parent / child support, nested inner objects
it use custom\_score, but it can not work at version 1.2.1.
I try to use function\_score, but get exception:
nested: PropertyAccessException[[Error: could not access: offer; in class:
org.elasticsearch.search.lookup.DocLookup]\n[Near : {...
doc[offer.price].value ....}
"offer" is the child's index type.
Please some one know that, help me, thanks!
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:21am UTC](https://discuss.elastic.co/t/can-i-sort-has-child-query-result-by-childs-numeric-field/18173/2 "2017-07-06T01:21:37Z")