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https://issues.apache.org/jira/browse/CASSANDRA-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylvain Lebresne updated CASSANDRA-2457:
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Attachment: 0001-Fix-batch_mutate-for-counters.patch
Attaching patch against 0.8.
Basically this makes SP.mutate() handle a list of mixed RowMutation and
CounterMutation (but then each mutation use the right path). This is needed
since a batch_mutate() can now mix those.
This has an unfortunate consequence however in that I don't think there is a
way to distinguish the writeStats of standard insert of the ones of counter
insert anymore, and thus this patch remove the latter ones (and count
everything in writeStat).
> Batch_mutate is broken for counters
> -----------------------------------
>
> Key: CASSANDRA-2457
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2457
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.8
> Reporter: Sylvain Lebresne
> Assignee: Sylvain Lebresne
> Fix For: 0.8
>
> Attachments: 0001-Fix-batch_mutate-for-counters.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> CASSANDRA-2384 allowed for batch_mutate to take counter and non counter
> operation, but the code was not updated correctly to handle that case. As it
> is, the code will use the first mutation in the batch list to decide whether
> to apply the write code path of counter or not, and will thus break if those
> are mixed.
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