AlenkaF commented on a change in pull request #10334:
URL: https://github.com/apache/arrow/pull/10334#discussion_r641409188
##########
File path: r/tests/testthat/test-dplyr-string-functions.R
##########
@@ -493,3 +493,81 @@ test_that("edge cases in string detection and
replacement", {
tibble(x = c("ABC"))
)
})
+
+test_that("strptime", {
+
+ t_string <- tibble(x = c("2018-10-07 19:04:05", NA))
+ t_stamp <- tibble(x = c(lubridate::ymd_hms("2018-10-07 19:04:05"), NA))
+ t_stampPDT <- tibble(x = c(lubridate::ymd_hms("2018-10-07 19:04:05", tz =
"PDT"), NA))
+
+ expect_equivalent(
+ t_string %>%
+ Table$create() %>%
+ mutate(
+ x = strptime(x)
+ ) %>%
+ collect(),
+ t_stamp,
+ check.tzone = FALSE
+ )
+
+ expect_equivalent(
+ t_string %>%
+ Table$create() %>%
+ mutate(
+ x = strptime(x, format = "%Y-%m-%d %H:%M:%S")
+ ) %>%
+ collect(),
+ t_stamp,
+ check.tzone = FALSE
+ )
+
+ expect_equivalent(
+ t_string %>%
+ Table$create() %>%
+ mutate(
+ x = strptime(x, format = "%Y-%m-%d %H:%M:%S", unit = TimeUnit$NANO)
+ ) %>%
+ collect(),
+ t_stamp,
+ check.tzone = FALSE
+ )
+
+ expect_equivalent(
+ t_string %>%
+ Table$create() %>%
+ mutate(
+ x = strptime(x, format = "%Y-%m-%d %H:%M:%S", unit = "s")
+ ) %>%
+ collect(),
+ t_stamp,
+ check.tzone = FALSE
+ )
+
+ expect_equivalent(
+ t_string %>%
+ Table$create() %>%
+ mutate(
+ x = strptime(x, format = "%Y-%m-%d %H:%M:%S", tz="PDT")
+ ) %>%
+ collect(),
+ t_stamp,
+ check.tzone = FALSE
+ )
Review comment:
See reply here
https://github.com/apache/arrow/pull/10334/files#r641408098
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