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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2021/09/03 17:28:00 UTC

[jira] [Updated] (ARROW-13779) [R] Disallow expressions that depend on order

     [ https://issues.apache.org/jira/browse/ARROW-13779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neal Richardson updated ARROW-13779:
------------------------------------
    Summary: [R] Disallow expressions that depend on order  (was: [R] Disallow expressions that depend on order after arrange())

> [R] Disallow expressions that depend on order
> ---------------------------------------------
>
>                 Key: ARROW-13779
>                 URL: https://issues.apache.org/jira/browse/ARROW-13779
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Neal Richardson
>            Assignee: Neal Richardson
>            Priority: Major
>             Fix For: 6.0.0
>
>
> Because in the current ExecPlan, sorting is only done in the end (in a sink node), we can't sort the data and then do an operation that depends on sorting (like cumsum) without first calling compute().



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