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Posted to commits@cassandra.apache.org by "Michael Koziarski (JIRA)" <ji...@apache.org> on 2009/08/02 05:08:14 UTC
[jira] Updated: (CASSANDRA-334) Temporally Ordered Sub columns in a
SuperColumnFamily
[ https://issues.apache.org/jira/browse/CASSANDRA-334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Koziarski updated CASSANDRA-334:
----------------------------------------
Attachment: cassandra-334-koz-first.diff
Aforementioned patch
> Temporally Ordered Sub columns in a SuperColumnFamily
> -----------------------------------------------------
>
> Key: CASSANDRA-334
> URL: https://issues.apache.org/jira/browse/CASSANDRA-334
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Michael Koziarski
> Attachments: cassandra-334-koz-first.diff
>
>
> Since the switch to typed column names and CompareSubcolumnsWith we no longer have a simple way to order entries in a super column / column family by their creation time. This makes things like 'timelines' harder to implement.
> After discussions on IRC / twitter it appears we could achieve this with a new comparator for UUIDTypes which checks their temporal order before just falling back on their lexical order.
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