jorisvandenbossche commented on a change in pull request #12589:
URL: https://github.com/apache/arrow/pull/12589#discussion_r822740289
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File path: r/R/dplyr-funcs-datetime.R
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@@ -167,4 +167,33 @@ register_bindings_datetime <- function() {
register_binding("date", function(x) {
build_expr("cast", x, options = list(to_type = date32()))
})
+ register_binding("fast_strptime", function(x,
+ format,
+ tz = "UTC",
+ lt = TRUE,
+ cutoff_2000 = 68L,
+ unit = "s") {
+ if (!missing(tz)) {
+ arrow_not_supported("Time zone argument")
+ }
+ # `lt` controls the output `lt = TRUE` returns a POSIXlt (which doesn't
play
+ # well with mutate, for example)
+ if (lt) {
+ arrow_not_supported("`lt = TRUE` argument")
+ }
+
+ if (cutoff_2000 != 68L) {
+ arrow_not_supported("`cutoff_2000` != 68L argument")
+ }
+
+ # the strptime kernel does not support scalar strings => if we want to be
Review comment:
In python it does:
```
>>> pc.strptime("2022-03-05", format="%Y-%m-%d", unit="us")
<pyarrow.TimestampScalar: datetime.datetime(2022, 3, 5, 0, 0)>
```
so is this an R specific limitation?
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