Learning Elasticsearch

Object

Elasticsearch documents are JSON objects. A field in the document can be a simple integer or an entire object. For example, the person document as shown next contains name, which is a simple text field, and address, which is an object. And an address can also have inner objects. The person object is shown here:

{   "id": 1,   "name": "User1",   "address": {     "street": "123 High Lane",     "city": "Big City"   } }

Unlike a simple data type, when an object is stored into inverted index, it is broken down into key-value pairs. The person document is stored as shown here:

{   "id": 1,   "name": "User1",   "address.street": "123 High Lane",   "address.city": "Big City" }

Since the object is stored as key-value pairs, it gets tricky when you have an array ...