Choosing the right query for the job

In our Elasticsearch Server Second Edition, we described the full query language, the so-called Query DSL provided by Elasticsearch. A JSON structured query language that allows us to virtually build as complex queries as we can imagine. What we didn't talk about is when the queries can be used and when they should be used. For a person who doesn't have much prior experience with a full text search engine, the number of queries exposed by Elasticsearch can be overwhelming and very confusing. Because of that, we decided to extend what we wrote in the second edition of our first Elasticsearch book and show you, the reader, what you can do with Elasticsearch.

We decided to divide the following section into two distinct parts. The first part will try to categorize the queries and tell you what to expect from a query in that category. The second part will show you an example usage of queries from each group and will discuss the differences. Please...