So for the calculated week value (i.e. 2009w22) I need to be able to calculate the first and last day of the week (05/25/2009 and 05/31/2009). Is there a clean / fairly easy way to do this? I can think of doing some string comparisons and walking through date values to figure it out but was wondering if there was a rather simplistic way to do this that I am overlooking.
well, a few things that come to mind..... figure out how many days are in the first partial week prior to week 1 of this year, that would be something like 7 - day_of_week(YYYY-01-01), then take '1 day'::interval * (week-1)*7 + that offset, and add that to YYYY-01-01 ... add '6 day'::interval to get the last day of the week...
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