SHIMA Tatsuya created ARROW-17738:
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Summary: [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: Improvement
Components: R
Affects Versions: 9.0.0
Reporter: SHIMA Tatsuya
{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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