Add CompositeType comparer to the comparers provided in
org.apache.cassandra.db.marshal
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Key: CASSANDRA-2231
URL: https://issues.apache.org/jira/browse/CASSANDRA-2231
Project: Cassandra
Issue Type: Improvement
Components: Contrib
Affects Versions: 0.7.3
Reporter: Ed Anuff
Priority: Minor
CompositeType is a custom comparer that makes it possible to create comparable
composite values out of the basic types that Cassandra currently supports, such
as Long, UUID, etc. This is very useful in both the creation of custom
inverted indexes using columns in a skinny row, where each column name is a
composite value, and also when using Cassandra's built-in secondary index
support, where it can be used to encode the values in the columns that
Cassandra indexes. One scenario for the usage of these is documented here:
http://www.anuff.com/2010/07/secondary-indexes-in-cassandra.html. Source for
contribution is attached and has been previously maintained on github here:
https://github.com/edanuff/CassandraCompositeType
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