Hello,
I stepped into a situation where I need to truncate a timestamp field
truncated to the week, and i want to do it the exact way elasticsearch does
it in the datehistogram aggregation in order to be able to perform
comparisons. Does anyone knows how I should perform the truncate to the
week? I notice that datehistogram returns the beginning of the week
(MONDAY), is it safe to use the Calendar way as follows?
Calendar cal = Calendar.getInstance();
> cal.setTimeZone(TimeZone.getTimeZone("GMT"));
> // cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());
> cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
> Date time = cal.getTime();
> System.out.println("time = " + time);
Is the first day of week depends on the Locale in elasticsearch or not?
Thank you
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