SHIMA Tatsuya created ARROW-16038:
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Summary: [R] different behavior from dplyr when mutate's `.keep`
option is set
Key: ARROW-16038
URL: https://issues.apache.org/jira/browse/ARROW-16038
Project: Apache Arrow
Issue Type: Improvement
Components: R
Affects Versions: 7.0.0
Reporter: SHIMA Tatsuya
The order of columns when `dplyr::mutate`'s `.keep` option is set to "none",
etc. has been changed in dplyr 1.0.8 and differs from the current behavior of
the arrow package.
For more information, please see the following issues.
https://github.com/tidyverse/dplyr/pull/6035
https://github.com/tidyverse/dplyr/issues/6086
https://github.com/tidyverse/dplyr/pull/6087
{code:r}
library(dplyr, warn.conflicts = FALSE)
df <- tibble::tibble(x = 1:3, y = 4:6)
df |>
transmute(x, z = x + 1, y)
#> # A tibble: 3 × 3
#> x z y
#> <int> <dbl> <int>
#> 1 1 2 4
#> 2 2 3 5
#> 3 3 4 6
df |>
mutate(x, z = x + 1, y, .keep = "none")
#> # A tibble: 3 × 3
#> x y z
#> <int> <int> <dbl>
#> 1 1 4 2
#> 2 2 5 3
#> 3 3 6 4
df |>
arrow::arrow_table() |>
mutate(x, z = x + 1, y, .keep = "none") |>
collect()
#> # A tibble: 3 × 3
#> x z y
#> <int> <dbl> <int>
#> 1 1 2 4
#> 2 2 3 5
#> 3 3 4 6
{code}
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