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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2017/05/02 19:26:04 UTC

[jira] [Updated] (PHOENIX-3209) Ensure scans run at specific server timestamp for UPSERT SELECT to same table

     [ https://issues.apache.org/jira/browse/PHOENIX-3209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor updated PHOENIX-3209:
----------------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: PHOENIX-3819

> Ensure scans run at specific server timestamp for UPSERT SELECT to same table
> -----------------------------------------------------------------------------
>
>                 Key: PHOENIX-3209
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3209
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>             Fix For: 4.11.0
>
>
> There's likely a potential issue lurking if UPDATE_CACHE_FREQUENCY is set on a table and an UPSERT SELECT is performed to update the same table. In this case, we need to run the SELECT and the UPSERT at a particular timestamp to prevent the SELECT from seeing the new rows being upsert. This may not be the case if UPDATE_CACHE_FREQUENCY is set.



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