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Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2021/05/27 12:54:00 UTC

[jira] [Updated] (ARROW-12892) [C++][Dataset] Remove Dataset::partition_expression

     [ https://issues.apache.org/jira/browse/ARROW-12892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Kietzman updated ARROW-12892:
---------------------------------
    Priority: Minor  (was: Major)

> [C++][Dataset] Remove Dataset::partition_expression
> ---------------------------------------------------
>
>                 Key: ARROW-12892
>                 URL: https://issues.apache.org/jira/browse/ARROW-12892
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Ben Kietzman
>            Priority: Minor
>              Labels: beginner
>             Fix For: 5.0.0
>
>
> We don't have compelling use cases for this and now that subtree pruning has been restored in ARROW-8658 it offers no performance advantage over attaching the common expression to each of the Dataset's Fragments.



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