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Posted to dev@phoenix.apache.org by "maghamravikiran (JIRA)" <ji...@apache.org> on 2015/07/02 05:20:04 UTC

[jira] [Assigned] (PHOENIX-2088) Prevent splitting and recombining select expressions for MR integration

     [ https://issues.apache.org/jira/browse/PHOENIX-2088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

maghamravikiran reassigned PHOENIX-2088:
----------------------------------------

    Assignee: maghamravikiran  (was: Thomas D'Silva)

> Prevent splitting and recombining select expressions for MR integration
> -----------------------------------------------------------------------
>
>                 Key: PHOENIX-2088
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2088
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: maghamravikiran
>         Attachments: PHOENIX-2088-wip.patch
>
>
> We currently send in the select expressions for the MR integration with a delimiter separated string, split based on the delimiter, and then recombine again using a comma separator. This is problematic because the delimiter character may appear in a select expression, thus breaking this logic. Instead, we should use a comma as the delimiter and avoid splitting and recombining as it's not necessary in that case. Instead, the entire string can be used as-is in that case to form the select expressions.



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