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Posted to jira@arrow.apache.org by "SHIMA Tatsuya (Jira)" <ji...@apache.org> on 2022/09/15 13:37:00 UTC
[jira] [Updated] (ARROW-17738) [R] dplyr::compute does not work for grouped arrow dplyr query
[ https://issues.apache.org/jira/browse/ARROW-17738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
SHIMA Tatsuya updated ARROW-17738:
----------------------------------
Issue Type: Bug (was: Improvement)
> [R] dplyr::compute does not work for grouped arrow dplyr query
> --------------------------------------------------------------
>
> Key: ARROW-17738
> URL: https://issues.apache.org/jira/browse/ARROW-17738
> Project: Apache Arrow
> Issue Type: Bug
> Components: R
> Affects Versions: 9.0.0
> Reporter: SHIMA Tatsuya
> Priority: Major
>
> {code:r}
> mtcars |> arrow::arrow_table() |> dplyr::group_by(cyl) |> class()
> #> [1] "arrow_dplyr_query"
> mtcars |> arrow::arrow_table() |> dplyr::group_by(cyl) |> dplyr::compute() |> class()
> #> [1] "arrow_dplyr_query"
> mtcars |> arrow::arrow_table() |> dplyr::group_by(cyl) |> dplyr::collect(FALSE) |> class()
> #> [1] "arrow_dplyr_query"
> mtcars |> arrow::arrow_table() |> dplyr::group_by(cyl) |> arrow::as_arrow_table() |> class()
> #> [1] "Table" "ArrowTabular" "ArrowObject" "R6"
> {code}
> It seems to revert to arrow dplyr query in the following line.
> https://github.com/apache/arrow/blob/7cfdfbb0d5472f8f8893398b51042a3ca1dd0adf/r/R/dplyr-collect.R#L73-L75
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