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https://issues.apache.org/jira/browse/CASSANDRA-2621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Morton resolved CASSANDRA-2621.
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Resolution: Not A Problem
> sub columns under deleted CF returned
> --------------------------------------
>
> Key: CASSANDRA-2621
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2621
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.5, 0.8.0 beta 2
> Reporter: Aaron Morton
> Assignee: Aaron Morton
> Priority: Minor
>
> found when working on CASSANDRA-2590
> In some cases sub columns are not filtered to check if they have a higher
> timestamp than and container super column or CF. For example a super col with
> two two columns, one with timestamp 0 and the other 5, will be returned with
> all columns even if there is a row delete at timestamp 2.
> If the QueryFilter is created with a null superColumnName in the QueryPath it
> will not filter the sub columns.
> IdentityQueryFilter.filterSuperColumn() lets all sub columns through.
> NamesQueryFilter.filterSubColumn() and SliceQueryFilter() check that each sub
> column is relavent.
> I have a fix and am working on some test cases.
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