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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2015/09/25 21:56:04 UTC

[jira] [Resolved] (PHOENIX-2286) Checkpoint transaction when necessary

     [ https://issues.apache.org/jira/browse/PHOENIX-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor resolved PHOENIX-2286.
-----------------------------------
    Resolution: Fixed

> Checkpoint transaction when necessary
> -------------------------------------
>
>                 Key: PHOENIX-2286
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2286
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: James Taylor
>         Attachments: PHOENIX-2286_v1.patch, PHOENIX-2286_v2.patch, PHOENIX-2286_wip.patch, PHOENIX-2286_wip2.patch
>
>
> To handle a statement that reads from the same table being updated, we need to checkpoint the transaction and adjust the visibility so that it doesn't see the data being written. Otherwise, we can get into an infinite loop.



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