Getting a mapping
After having set our mappings for processing types, we sometimes need to control or analyze the mapping to prevent issues. The action to get the mapping for a type helps us to understand the structure or its evolution due to some merge and implicit type guessing.
Getting ready
You need an up-and-running Elasticsearch installation, as used in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
To execute curl via the command line, you need to install curl for your operative system.
To correctly execute the following commands, the mapping created in the Putting a mapping in an index recipe is required.
How to do it...
The HTTP method to get a mapping is GET. The URL formats for getting mappings are:
http://<server>/_mapping
http://<server>/<index_name>/_mapping
http://<server>/<index_name>/<type_name>/_mapping
To get a mapping from the type of an index, we will perform the following steps:
If we consider the type...
