dragosmg commented on a change in pull request #12433:
URL: https://github.com/apache/arrow/pull/12433#discussion_r812745417
##########
File path: r/R/dplyr-funcs-datetime.R
##########
@@ -147,5 +147,7 @@ register_bindings_datetime <- function() {
register_binding("pm", function(x) {
!call_binding("am", x)
})
-
+ register_binding("date", function(x) {
+ x$cast(date32())
+ })
Review comment:
Recycling a vector of length one works.
``` r
suppressPackageStartupMessages(library(arrow))
suppressPackageStartupMessages(library(dplyr))
suppressPackageStartupMessages(library(lubridate))
arbitrary_date_object <- ymd_hms("2012-03-26 23:12:13")
# dplyr pipeline
mtcars %>%
mutate(x = arbitrary_date_object) %>%
head(4)
#> mpg cyl disp hp drat wt qsec vs am gear carb
#> Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
#> Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
#> Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
#> Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1
#> x
#> Mazda RX4 2012-03-26 23:12:13
#> Mazda RX4 Wag 2012-03-26 23:12:13
#> Datsun 710 2012-03-26 23:12:13
#> Hornet 4 Drive 2012-03-26 23:12:13
# arrow pipeline
mtcars %>%
arrow_table() %>%
mutate(x = arbitrary_date_object) %>%
collect() %>%
head(4)
#> mpg cyl disp hp drat wt qsec vs am gear carb x
#> 1 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4 2012-03-26 23:12:13
#> 2 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4 2012-03-26 23:12:13
#> 3 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1 2012-03-26 23:12:13
#> 4 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1 2012-03-26 23:12:13
```
<sup>Created on 2022-02-23 by the [reprex
package](https://reprex.tidyverse.org) (v2.0.1)</sup>
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