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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2015/12/31 03:23:49 UTC

[jira] [Resolved] (PHOENIX-2546) Filters should take into account that multiple versions may be scanned

     [ https://issues.apache.org/jira/browse/PHOENIX-2546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor resolved PHOENIX-2546.
-----------------------------------
       Resolution: Fixed
         Assignee: James Taylor
    Fix Version/s: 4.7.0

> Filters should take into account that multiple versions may be scanned
> ----------------------------------------------------------------------
>
>                 Key: PHOENIX-2546
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2546
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>             Fix For: 4.7.0
>
>         Attachments: PHOENIX-2546.patch
>
>
> With support for transactions, multiple versions of data will be scanned. The filters must be careful to advance correctly so that they only deal with the single last version. Otherwise, the state that they keep inadvertently collects state across multiple versions. 
> Note that this depends on https://issues.cask.co/browse/TEPHRA-162 going in to ensure that the visibility filtering for transactions occurs first and cooperates with other filters. 



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