Sort nested object in Elasticsearch
You need to sort on the inner_hits to sort the nested objects. This will give you the desired output
GET my_index/_search{ "query": { "nested": { "path": "comments", "query": { "match_all": {} }, "inner_hits": { "sort": { "comments.date": { "order": "asc" } }, "size": 5 } } }, "_source": [ "title" ]}I am using source filtering to get only "title" as comments will be retrieved inside inner_hit but you can avoid that if you want
size is 5 because default value is 3 and we have 4 objects in the given example.
Hope this helps!