You can use SQL queries for this. E.g., to answer the first question you will use this query:
select distinct color from Car where manufacturer = 'Honda' Here is the documentation page about hot to configure and use Ignite query APIs: http://apacheignite.readme.io/v1.2/docs/cache-queries -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Count-unique-items-tp615p616.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
