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https://issues.apache.org/jira/browse/ARROW-16421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17581474#comment-17581474
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Antoine Pitrou commented on ARROW-16421:
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And at least it should be easy for a R developer to dump logs on C++ file opens
and closes, and see what happens exactly here.
> [R] Permission error on Windows when deleting file previously accessed with
> open_dataset
> ----------------------------------------------------------------------------------------
>
> Key: ARROW-16421
> URL: https://issues.apache.org/jira/browse/ARROW-16421
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Affects Versions: 7.0.0
> Reporter: Will Jones
> Assignee: Will Jones
> Priority: Major
>
> On Windows this fails:
> {code:R}
> library(arrow)
> write_dataset(iris, "test_dataset")
> # Original example was with DuckDB, but that's not necessarily the issue
> # con <- open_dataset("test_dataset") |> to_duckdb()
> con <- open_dataset("test_dataset")$NewScan()$Finish()$ToRecordBatchReader()
> file.remove("test_dataset/part-0.parquet")
> #> Warning in file.remove("test_dataset/part-0.parquet"): cannot remove file
> #> 'test_dataset/part-0.parquet', reason 'Permission denied'
> #> [1] FALSE
> {code}
> But on MacOS it does not:
> {code:r}
> library(arrow)
> write_dataset(iris, "test_dataset")
> # Original example was with DuckDB, but that's not necessarily the issue
> # con <- open_dataset("test_dataset") |> to_duckdb()
> con <- open_dataset("test_dataset")$NewScan()$Finish()$ToRecordBatchReader()
> file.remove("test_dataset/part-0.parquet")
> #> [1] TRUE
> {code}
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