dragosmg commented on a change in pull request #12506:
URL: https://github.com/apache/arrow/pull/12506#discussion_r823627579
##########
File path: r/tests/testthat/test-dplyr-funcs-datetime.R
##########
@@ -904,3 +904,82 @@ test_that("date() errors with unsupported inputs", {
regexp = "Unsupported cast from double to date32 using function
cast_date32"
)
})
+test_that("difftime works correctly", {
+ test_df <- tibble(
+ time1 = as.POSIXct(
+ c("2021-02-20", "2021-07-31", "2021-10-30", "2021-01-31")
+ ),
+ time2 = as.POSIXct(
+ c("2021-02-20 00:02:01", "2021-07-31 00:03:54", "2021-10-30 00:05:45",
"2021-01-31 00:07:36")
+ ),
+ secs = c(121L, 234L, 345L, 456L)
+ )
+
+ compare_dplyr_binding(
+ .input %>%
+ mutate(
+ secs2 = difftime(time1, time2, units = "secs")
+ ) %>%
+ collect(),
+ test_df,
+ ignore_attr = TRUE
+ )
+
+ compare_dplyr_binding(
+ .input %>%
+ mutate(
+ secs2 = difftime(as.POSIXct("2022-03-07"), time1, units = "secs")
+ ) %>%
+ collect(),
+ test_df,
+ ignore_attr = TRUE
+ )
+
+ # units other than "secs" not supported in arrow
+ compare_dplyr_binding(
+ .input %>%
+ mutate(
+ mins = difftime(time1, time2, units = "mins"),
+ hours = difftime(time1, time2, units = "hours"),
+ days = difftime(time1, time2, units = "days"),
+ weeks = difftime(time1, time2, units = "weeks")) %>%
Review comment:
Done
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