Managing mappings

After creating an index, the next step is to add some mapping to it. We have already seen how to put a mapping via REST API in Chapter 4, Standard Operations. In this recipe, we will see how to manage mappings via official Python client and PyES.

Getting ready

You need a working ElasticSearch cluster and required packages of the Creating a client recipe of this chapter.

The code of this recipe is in chapter_11/mapping_management.py and chapter_11/mapping_management_pyes.py.

How to do it...

After having initialized a client and created an index, the steps required for managing the indices are as follows:

• Create a mapping

• Retrieve a mapping

• Delete a mapping

These steps are easily managed with code as follows:

1. We initialize the client as follows:

   import elasticsearch
   
   es = elasticsearch.Elasticsearch()

2. We create an index as follows:

   index_name = "my_index"
   type_name = "my_type"
   es.indices.create(index_name)
   es.cluster.health(wait_for_status="yellow")

3. We put the mapping as follows:

   es.indices...