Ahmet AKYOL created CASSANDRA-4369:
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Summary: Sortable counter type for 'top N' type query use cases
Key: CASSANDRA-4369
URL: https://issues.apache.org/jira/browse/CASSANDRA-4369
Project: Cassandra
Issue Type: New Feature
Reporter: Ahmet AKYOL
Current counter type is not sortable by values, AFAIK. Here's a related
question :
http://stackoverflow.com/questions/8428364/how-to-get-sorted-counters-from-cassandra
This feature can be very handy for 'top N' type query use cases like sorting
user points and finding top users in a reputation system.
Of course, support in CQL 3 is trivial.
IMHO, from implementation point of view, this looks unnatural to C* since C*
sorts column names not the values.Maybe a composite column solution like
(counter,char) is more proper but I can't imagine a way to make this work right
now, it doesn't make sense to me. On the other hand, it would be very useful
for us, the users.
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