elasticsearchHow do I update a mapping in Elasticsearch?

Updating a mapping in Elasticsearch is a two-step process. First, you need to delete the existing mapping, and then you can add the new mapping.

Example code

# Delete existing mapping
curl -X DELETE localhost:9200/my_index

# Add new mapping
curl -X PUT localhost:9200/my_index -H 'Content-Type: application/json' -d '
{
  "mappings": {
    "properties": {
      "title": {
        "type": "text"
      }
    }
  }
}'

Output example

{"acknowledged":true}

• curl -X DELETE localhost:9200/my_index: This command sends an HTTP DELETE request to the Elasticsearch server running on localhost:9200 for the index named my_index.
• curl -X PUT localhost:9200/my_index: This command sends an HTTP PUT request to the Elasticsearch server running on localhost:9200 for the index named my_index.
• -H 'Content-Type: application/json': This specifies the content type of the request body as JSON.
• -d '<mapping>': This specifies the mapping to be added to the index.

Helpful links

• Elasticsearch Documentation - Updating Mapping
• Elasticsearch Documentation - cURL

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