GDA: current status

[Chris Shoemaker]

On Sun, Dec 10, 2006 at 12:30:14AM -0500, David Hampton wrote:
> On Sat, 2006-12-09 at 23:38 -0500, Derek Atkins wrote:
> 
> > But what if the last MM/DD of a month falls on a Thursday, wouldn't
> > LAST WEEKDAY mean that?   E.g. 11/30/06 is a Thursday.  Wouldn't
> > LAST_WEEKDAY result in 11/30?  How would I specify "last friday"
> > (which should result in 11/24)?
> 
> Seems like the original example may have been an unfortunate choice. The
> way I read Chris' statement, any of the following would work:
> 
>   {11/03/2006, PERIOD_LAST_WEEKDAY, 1}
>   {11/10/2006, PERIOD_LAST_WEEKDAY, 1}
>   {11/17/2006, PERIOD_LAST_WEEKDAY, 1}
>   {11/24/2006, PERIOD_LAST_WEEKDAY, 1}
> 
> It sounded to me like PERIOD_LAST_WEEKDAY says to take the specified
> date, convert that to the day of the week, and then find the last
> instance of that day of the week in the specified month.  Then again, I
> haven't read the code so this is all sheer speculation on my part.

Good guess.  You're right.

-chris