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https://issues.apache.org/jira/browse/CASSANDRA-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylvain Lebresne updated CASSANDRA-2231:
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Attachment: 0001-Add-compositeType-and-DynamicCompositeType-v2.patch
Rebased and updated patch attached. The new patch use -1, 0, 1 for the
end-of-component. It also fixes some issue I add fixed in CASSANDRA-2355 but
really belong here, namely handling the parameters of the composite types when
deflating CFMetadata into Avro, etc...
This still a patch against 0.7. I think this is really not very disruptive and
could go into 0.7, but I can rebase to 0.8 otherwise. The only problem I can
think of is if someone already have a custom comparator named CompositeType or
DynamicCompositeType, but that's a problem we face each time we add a new
comparator.
> Add CompositeType comparer to the comparers provided in
> org.apache.cassandra.db.marshal
> ---------------------------------------------------------------------------------------
>
> 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
> Assignee: Sylvain Lebresne
> Priority: Minor
> Fix For: 0.7.5
>
> Attachments:
> 0001-Add-compositeType-and-DynamicCompositeType-v2.patch,
> CompositeType-and-DynamicCompositeType.patch,
> edanuff-CassandraCompositeType-1e253c4.zip
>
>
> 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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