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Posted to issues@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2014/11/14 03:34:34 UTC

[jira] [Assigned] (DRILL-1680) Use a different expession for ArraySegment and NamedSegment accessors

     [ https://issues.apache.org/jira/browse/DRILL-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aman Sinha reassigned DRILL-1680:
---------------------------------

    Assignee: Aman Sinha

> Use a different expession for ArraySegment and NamedSegment accessors
> ---------------------------------------------------------------------
>
>                 Key: DRILL-1680
>                 URL: https://issues.apache.org/jira/browse/DRILL-1680
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Hanifi Gunes
>            Assignee: Aman Sinha
>
> Drill planner treats ArraySegment accessors the same way with NamedSegment accessors. This ambiguity causes planner to loop indefinitely when projection pushdown is enabled (see DRILL-1455). We need to distinctly name two operators that have been used to access array segments and named segments. Array segments should still use ITEM. However named segments should be accessed via some other name just like GETCOLUMN/GETFIELD.



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