Elasticsearch in Action

Chapter 3. Indexing, updating, and deleting data

This chapter covers

• Using mapping types to define multiple types of documents in the same index
• Types of fields you can use in mappings
• Using predefined fields and their options
• All of the above help with indexing, as well as updating and deleting data

This chapter is all about getting data into and out of Elasticsearch and maintaining it: indexing, updating, and deleting documents. In chapter 1, you learned that Elasticsearch is document-based and that documents are made up of fields and their values, which makes them self-contained, much like having the column names from a table contained in the rows. In chapter 2, you saw how you can index such a document via Elasticsearch’s REST API. Here, ...