[jira] [Resolved] (ARROW-11616) [Rust][DataFusion] Expose collect_partitioned for DataFrame

["Jorge Leitão (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-11616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jorge Leitão resolved ARROW-11616.
----------------------------------
    Fix Version/s: 4.0.0
       Resolution: Fixed

Issue resolved by pull request 9485
[https://github.com/apache/arrow/pull/9485]

> [Rust][DataFusion] Expose collect_partitioned for DataFrame
> -----------------------------------------------------------
>
>                 Key: ARROW-11616
>                 URL: https://issues.apache.org/jira/browse/ARROW-11616
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Rust - DataFusion
>            Reporter: Mike Seddon
>            Assignee: Mike Seddon
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> The DataFrame API has a `collect` method which invokes the `collect(plan: Arc<dyn ExecutionPlan>) -> Result<Vec<RecordBatch>>` function which will collect records into a single vector of RecordBatches removing the partitioning via `MergeExec`.
> The DataFrame should also expose the `collect_partitioned` method so that partitions can be maintained.
> ```
> collect_partitioned(
>     plan: Arc<dyn ExecutionPlan>,
> ) -> Result<Vec<Vec<RecordBatch>>> 
> ```



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