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Posted to jira@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2020/12/27 12:27:00 UTC
[jira] [Resolved] (ARROW-11018) [Rust][DataFusion] Add null count
column statistics
[ https://issues.apache.org/jira/browse/ARROW-11018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Lamb resolved ARROW-11018.
---------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 8998
[https://github.com/apache/arrow/pull/8998]
> [Rust][DataFusion] Add null count column statistics
> ----------------------------------------------------
>
> Key: ARROW-11018
> URL: https://issues.apache.org/jira/browse/ARROW-11018
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: Daniël Heres
> Assignee: Daniël Heres
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Add option to provide column statistics, on null count first.
> This is one important step to provide more advanced cost based optimization.
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