dragosmg commented on a change in pull request #12707:
URL: https://github.com/apache/arrow/pull/12707#discussion_r837315593
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File path: r/R/dplyr-funcs-datetime.R
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@@ -300,6 +312,34 @@ register_bindings_duration <- function() {
build_expr("cast", x, options = cast_options(to_type = duration(unit =
"s")))
})
+ register_binding("decimal_date", function(date) {
+ # browser()
+ y <- build_expr("year", date)
+ # timezone <- call_binding("tz", date)
+ start <- call_binding("make_datetime", year = y, tz = "UTC")
+ end <- call_binding("make_datetime", year = y + 1L, tz = "UTC")
+ # maybe use yday here
Review comment:
I think using `difftime` might be a bit more robust since the number of
seconds (not days) from the beginning of the year would give us a more precise
decimal representation (and that is what lubridate does).
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