Building a query
Before a search, a query must be built and ElasticSearch provides several ways to build these queries. In this recipe, we will see how to create a query object via QueryBuilder and via simple strings.
Getting ready
You will need a working ElasticSearch cluster and a working copy of Maven. The code of this recipe is in chapter_10/nativeclient in the code bundle available on Packt's website, and on GitHub (https://github.com/aparo/elasticsearch-cookbook-second-edition). The referred class is QueryCreation.
How to do it...
To create a query, we will perform the following steps:
- There are several ways to define a query in ElasticSearch and they are interchangeable. Generally a query can be defined as a combination of the following components: ...
Get ElasticSearch Cookbook - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
