pitrou commented on a change in pull request #11026:
URL: https://github.com/apache/arrow/pull/11026#discussion_r703022990
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File path: cpp/src/arrow/compute/api_scalar.h
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@@ -278,6 +278,23 @@ struct ARROW_EXPORT DayOfWeekOptions : public
FunctionOptions {
uint32_t week_start;
};
+struct ARROW_EXPORT WeekOptions : public FunctionOptions {
+ public:
+ explicit WeekOptions(bool week_starts_monday = true, bool count_from_zero =
false,
+ bool first_week_in_year = false);
+ constexpr static char const kTypeName[] = "WeekOptions";
+ static WeekOptions Defaults() { return WeekOptions{}; }
+
+ /// What day does the week start with (Monday=true, Sunday=false)
+ bool week_starts_monday;
+ /// Dates from current year that fall into last ISO week of the previous
year return
+ /// 0 if true and 52 or 53 if false.
+ bool count_from_zero;
Review comment:
Or of course we have a "week" function allowing to configure the
starting day of the week. Week number 1 is then the week containing the day
`start of week + 3` (e.g. Thursday for weeks starting on Monday, Wednesday for
weeks starting on Sunday...).
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