Parent Child

• Docs are stored, indexed, and searched individually - children are associated with a parent in the same index

  POST http://localhost:9200/orders/order/123
  {
    "id": "123",
    "placedOn": "2018-01-01T13:35:03.034Z",
    "amount": 12.45
  }

  PUT orders/order/4?routing=123&refresh=true
  {
  "text": "This is another answer",
  "customer2customer": {
    "name": "customer",
    "parent": "123"
  }
  }

• Important: index mappings must be defined before hand! Discussed later...