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From "Michael Koziarski (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-334) Temporally Ordered Sub columns in a SuperColumnFamily
Date Mon, 03 Aug 2009 21:24:14 GMT


Michael Koziarski commented on CASSANDRA-334:

Makes sense to me,  LexicalUUIDType seems a bit of a mouthful though ;)

> Temporally Ordered Sub columns in a SuperColumnFamily
> -----------------------------------------------------
>                 Key: CASSANDRA-334
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Michael Koziarski
>         Attachments: 334.patch, 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

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