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Posted to issues-all@impala.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2018/11/06 21:37:00 UTC

[jira] [Resolved] (IMPALA-7477) Improve QueryResultSet interface to allow appending a batch of rows at a time

     [ https://issues.apache.org/jira/browse/IMPALA-7477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-7477.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.2.0

> Improve QueryResultSet interface to allow appending a batch of rows at a time
> -----------------------------------------------------------------------------
>
>                 Key: IMPALA-7477
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7477
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Tim Armstrong
>            Assignee: Tim Armstrong
>            Priority: Major
>             Fix For: Impala 3.2.0
>
>
> The QueryResultSet interface used from PlanRootSink operates on a row at a time and is inefficient and inelegant. We can improve code readability by moving some logic from PlanRootSink to QueryResultSet and improve perf if we switch to an interface that allows appending a batch.
> This will make IMPALA-4268 incrementally easier.
> There are some TODOs in the code related to this.



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