Advanced Elasticsearch 7.0

Retrieving a document by identifier

You can retrieve the whole document back by using the same index and identifier. If the mapping metadata _source field is not disabled, you can retrieve partial document. If it is disabled, the original JSON document will not be stored. We describe how to retrieve the document in both ways as follows:

• Retrieve the whole document: Let us retrieve an ACWF ETF document by setting _id as 1 and using the cf_etf index. In the response body, all fields in the original document are provided in the _source field:

• Retrieve the partial document: We can use the same URL as shown in the preceding screenshot with ...