Elasticsearch 5.x Cookbook - Third Edition

Adding a field with multiple mapping

Often a field must be processed with several core types or in different ways. For example, a string field must be processed tokenized for search and not-tokenized for sorting. To do this, we need to define a multifield special property fields.

The fields property is a very powerful feature of mappings because it allows you to use the same field in different ways.

Getting ready

You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.

How to do it...

To define a multifield property, we need to define a dictionary containing the subfields called fields. The subfield with the same name of parent field is the default ...