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Posted to jira@arrow.apache.org by "Dewey Dunnington (Jira)" <ji...@apache.org> on 2022/01/20 18:45:00 UTC

[jira] [Assigned] (ARROW-14266) [R] Use WriteNode to write queries

     [ https://issues.apache.org/jira/browse/ARROW-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dewey Dunnington reassigned ARROW-14266:
----------------------------------------

    Assignee: Dewey Dunnington

> [R] Use WriteNode to write queries
> ----------------------------------
>
>                 Key: ARROW-14266
>                 URL: https://issues.apache.org/jira/browse/ARROW-14266
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Neal Richardson
>            Assignee: Dewey Dunnington
>            Priority: Major
>              Labels: query-engine
>             Fix For: 8.0.0
>
>
> Following ARROW-13542. Any query that has a join or an aggregation currently has to first evaluate the query and hold it in memory before creating a Scanner to write it. We could improve that by using a WriteNode inside write_dataset() (and maybe that improves the other cases too, or at least allows us to delete some code). 



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