How to aggregate sub documents

I have sub documents in the main document , below is the format:
"code": "CODE1",
"code": "CODE2",

I want to sum the price group by code. However, the term aggregates query give result for CODE1:44 instead 20. because the sum aggs is sum up the price field for all inner documents.

Any help will be appreciated.

May be use nested type for nested documents?
Have a look at Nested field type | Elasticsearch Guide [7.15] | Elastic

1 Like

Thanks @dadoonet . nested aggregation is the solution. Because the nested aggregation treats the sub documents as main document. This may be the reason.

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