“Car sale application” users started to use wildard queries more and more often. This fact forced us to think about wildcard queries optimization. solr.ReversedWildcardFilter comes to rescue us.
In the last “car sale application” related post we have described the result grouping functionality. Today I would like to show you how easily we can determine the groups amount and how to sort documents within every group.
The time has come to add another important functionality to our car sale application. It will be the spell checking mechanism with the ability to construct a new query from the suggestions. It has become the main functionality of every search engine so we will also make use of it.