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Posted to issues@drill.apache.org by "Parth Chandra (JIRA)" <ji...@apache.org> on 2015/04/20 19:56:59 UTC

[jira] [Updated] (DRILL-2321) FlattenRecordBatch should transfer vectors honoring output field reference.

     [ https://issues.apache.org/jira/browse/DRILL-2321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Parth Chandra updated DRILL-2321:
---------------------------------
    Component/s: Execution - Relational Operators

> FlattenRecordBatch should transfer vectors honoring output field reference.
> ---------------------------------------------------------------------------
>
>                 Key: DRILL-2321
>                 URL: https://issues.apache.org/jira/browse/DRILL-2321
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Hanifi Gunes
>            Assignee: Jason Altekruse
>             Fix For: 0.8.0
>
>         Attachments: DRILL-2321.1.patch.txt
>
>
> Current implementation of FlattenRecordBatch does not create transfer pairs with the target vector named with the desired field reference. This seems working fine with repeated types as the upstream project or ArrayPathSegment makes the renaming implicitly. Overall relying on upstream makes the code fragile. Also, DRILL-2150 requires this patch as it alters the way repeated vectors are modeled. This patch proposes to implement a less fragile transfer pair handling via explicit naming.



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