Solr Cookbook - Third Edition

Using Solr in a schemaless mode

Many use cases allow us to define our index structure upfront. We can look at the data, see which parts are important, which we want to search, how we want to do it, and finally, we can create the schema.xml file that we will use. However, this is not always possible. Sometimes, you don't know the data structure before you go into production, or you know very little about it. Of course, we can use dynamic fields, but such an approach is limited. This is why the newest versions of Solr allow us to use the so-called schemaless mode in which Solr is able to guess the type of data and create a field for it.

How to do it...

Let's assume that we don't know anything about the data and we want to fully rely on Solr when it ...