dragosmg commented on a change in pull request #12506:
URL: https://github.com/apache/arrow/pull/12506#discussion_r828212787
##########
File path: r/R/dplyr-funcs-datetime.R
##########
@@ -189,6 +189,70 @@ register_bindings_datetime <- function() {
})
}
+register_bindings_duration <- function() {
+ register_binding("difftime", function(time1,
+ time2,
+ tz,
+ units = c("auto", "secs", "mins",
+ "hours", "days", "weeks")) {
+ units <- match.arg(units)
+ if (units != "secs") {
+ abort("`difftime()` with units other than seconds not supported in
Arrow")
+ }
+
+ # for time32() we do not need to worry about timezone
+ if (call_binding("is.instant", time1) & call_binding("is.instant", time2))
{
Review comment:
It looks like `Array__GetScalar` which is responsible for making an
Array into a Scalar strips out metadata.
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