Updating your data

In this section, we will discuss different ways of updating existing documents. Internally, an update is always a delete and re-index. You can update using the entire document (replacing the original document), or update a single field or add a new field, or update a field using scripts, such as incrementing a counter.

Update using an entire document

When you index a document with the existing document ID, it will replace the current document with the new document. As shown next, we can update the document ID 1 using the entire document:

 PUT chapter4/person/1
 {
   "id": 1,
"name": "name update 1",
   "age": 55,
   "gender": "M",
   "email": "[email protected]",
   "last_modified_date": "2017-02-15"
 }

The response is as follows:

{
   "_index": "chapter4",
   "_type": "person",
   "_id": "1",
"_version": 2,
 "result": "updated",
   "_shards": {
     "total": 2,
     "successful": 1,
     "failed": 0
   },
"created": false
 }

You can see from the response that the result of the...