eitsupi commented on PR #35473:
URL: https://github.com/apache/arrow/pull/35473#issuecomment-1542437044
I noticed that the column order is also wrong after `select`, but this is
beyond the scope of this pull request, so I will create another issue.
```r
> mtcars |> group_by(cyl) |> select(mpg) |> collect()
Adding missing grouping variables: `cyl`
# A tibble: 32 × 2
# Groups: cyl [3]
cyl mpg
<dbl> <dbl>
1 6 21
2 6 21
3 4 22.8
4 6 21.4
5 8 18.7
6 6 18.1
7 8 14.3
8 4 24.4
9 4 22.8
10 6 19.2
# … with 22 more rows
# ℹ Use `print(n = ...)` to see more rows
> mtcars |> arrow_table() |> group_by(cyl) |> select(mpg) |> collect()
# A tibble: 32 × 2
# Groups: cyl [3]
mpg cyl
<dbl> <dbl>
1 21 6
2 21 6
3 22.8 4
4 21.4 6
5 18.7 8
6 18.1 6
7 14.3 8
8 24.4 4
9 22.8 4
10 19.2 6
# … with 22 more rows
# ℹ Use `print(n = ...)` to see more rows
```
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