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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_0.7.patch
I'm attaching a rebase of this patch to 0.7. I don't think this will go into a
0.7 release though, because 0.7 should really be about small bug fixes at this
point, but that way it will be easy for those who wants it enough to apply this
patch.
> 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: New Feature
> Components: Contrib
> Reporter: Ed Anuff
> Assignee: Sylvain Lebresne
> Priority: Minor
> Fix For: 0.8.1
>
> Attachments:
> 0001-Add-compositeType-and-DynamicCompositeType-v2.patch,
> 0001-Add-compositeType-and-DynamicCompositeType-v3.patch,
> 0001-Add-compositeType-and-DynamicCompositeType_0.7.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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