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https://issues.apache.org/jira/browse/CASSANDRA-1282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Folke Behrens updated CASSANDRA-1282:
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Attachment: trunk-1282-2.txt
> NumericType: comparator for integers of fixed and arbitrary length
> ------------------------------------------------------------------
>
> Key: CASSANDRA-1282
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1282
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Folke Behrens
> Assignee: Folke Behrens
> Fix For: 0.7
>
> Attachments: 0001-NumericType.patch.txt, trunk-1282-2.txt,
> trunk-1282.txt
>
>
> Patch introduces a new column comparator: NumericType. It can compare signed
> integer values of fixed (int, long) and arbitrary length (BigInteger). Both
> can be mixed. Leading zero bytes or 0xFF bytes will be ignored and can safely
> be stripped on compaction.
> The trivial version uses "new BigInteger(byte[]).compareTo(new
> BigInteger(byte[]))" but it's slower and fills up memory.
> The faster version operates completely on stack and should even obsolete
> LongType.
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