[source, ruby]
----
response = client.indices.create(
  index: 'my-index-000001',
  body: {
    mappings: {
      date_detection: false
    }
  }
)
puts response

response = client.index(
  index: 'my-index-000001',
  id: 1,
  body: {
    create_date: '2015/09/02'
  }
)
puts response
----
