boshek opened a new pull request, #13641:
URL: https://github.com/apache/arrow/pull/13641
This implements are pretty thin version of `unique` and some tests:
``` r
library(arrow, warn.conflicts = FALSE)
library(dplyr, warn.conflicts = FALSE)
ir_ds <- arrow_table(iris) %>%
select(Species)
unique(ir_ds)
#> # A tibble: 3 × 1
#> Species
#> <fct>
#> 1 setosa
#> 2 versicolor
#> 3 virginica
```
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