WARNING: Version 5.6 of Elasticsearch has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Has Child Filteredit
The has_child filter has been replaced by the Has Child Query. It behaves
as a query in “query context” and as a filter in “filter context” (see
Query DSL).