Hi Ron,

I have read your message and again, please attach self-contained program
to demonstrate any error with regards to subject matter.

I'll fix it asap.

Andi

On Tue, 1 Nov 2011 10:29:01 -0430
Ron Pinkas <ron.pin...@xharbour.com> wrote:

> Hi Andi, WCB :-)
> 
> Please read my original message, i just reread it, and I beleive it perfectly 
> explains the issue in details, except that you apparntly fixed the DATETIME 
> support for calculations like hb_vmPlus(), though I didn't get a chance to 
> review it. Here is my original message:
> 
> It appears that the definitions and usage of:
> 
>  HB_IT_DATE
>  HB_IT_TIMEFLAG
>  HB_IT_DATETIME
> 
>  HB_IS_DATE()
>  HB_IS_DATETIME()
>  HB_IS_TIMEFLAG()
> 
> is inconsistent and not designed with system wide consideration.
> 
> On quick read of all relevant sources it appears that the correct fix would 
> be to make sure that HB_IT_TIMEFLAG is used indeed as a FLAG where HB_IT_DATE 
> must always be be the base value. This means that all API which returns a 
> DATETIME value must be corrected to:
> 
>  pItem->type = HB_IT_DATETIME;
> 
> instead of:
> 
>  pItem->type = HB_IT_TIMEFLAG;
> 
> Once this is done then naturally HB_IS_DATE() will correctly returns TRUE for 
> either a DATE value or a DATETIME value, since both are indeed a form of a 
> DATE value. This in turn will fix currently missing support for DATETIME type 
> in calculations, etc., such as hb_vmPlus() and similar.
> 
> Finally, all existing instances of HB_IT_TIMEFLAG / HB_IT_DATETIME, 
> HB_IS_DATETIME(), and HB_IS_TIMEFLAG() should be searched and verified and 
> corrected when needed. All "case" structure where HB_IT_TIMEFLAG has specific 
> logic separate from HB_IT_DATE must be verified to be ordered such that the 
> HB_IT_TIMEFLAG/HB_IS_DATETIME() "case" is ABOVE the HB_IT_DATE "case".
> 
> Since I have not taken any active part in the addition of the HB_IT_DATETIME 
> support, and I therefore may not be familiar with all subtleties of the 
> implementation I will greatly appreciate the response, and appropriate fixing 
> to be addressed by the original contributor[s].
> 
> As it is right now the existing support for HB_IT_DATETIME is BROKEN and 
> incomplete and fixing this should be a PRIORITY IMO.
> -----------------------------------------------------------------------
> 
> Will greatly appreciate your review. I would also strongly suggest 
> consultation with Przmek and synching datetime support with Harbour since a 
> language TYPE is a very low level core feature, which is a foundation issue 
> with regards to RDD as well.
> 
> Ron 
> 
> 
> On Oct 16, 2011, at 2:23 AM, Andi Jahja <andi.ja...@yahoo.co.id> wrote:
> 
> > Hello All,
> > 
> > 
> > I am sorry for being too late to response as I intentionally kept
> > anything relates to programming away for some times in order to have my
> > mind refreshed :-)
> > 
> > Regarding the issues as per subject, as usual, I would be very much
> > obliged if anyone can post a self-contained program to demonstrate the
> > errors. I am sorry, I am too old to be patient to read narrative
> > description.
> > 
> > Bese regards,
> > 
> > Andi
> > 
> > 
> > On Tue, 16 Aug 2011 12:37:44 -0700
> > Luis Krause Mantilla <lkrau...@shaw.ca> wrote:
> > 
> >> Ron:
> >> 
> >> I think it was Andi that brought all these changes from Harbour
> >> so he needs to chime in....
> >> 
> >> On 16-08-2011 08:11, Ron Pinkas wrote:
> >>> ?
> >>> 
> >>> On Aug 10, 2011, at 11:48 AM, Ron Pinkas<ron.pin...@xharbour.com>  wrote:
> >>> 
> >>>> Would greatly appreciate input from whomever was involved in adding 
> >>>> DATETIME support.
> >>>> 
> >>>> Sent from my iPad
> >>>> 
> >>>> On Aug 8, 2011, at 7:02 PM, Ron Pinkas<ron.pin...@xharbour.com>  wrote:
> >>>> 
> >>>>> BTW, to avoid consequential incompatibility with Harbour, I suggest we 
> >>>>> use compatible definitions and API where possible.
> >>>>> 
> >>>>> --------------------------------------------------
> >>>>> From: "Ron Pinkas"<ron.pin...@xharbour.com>
> >>>>> Sent: Monday, August 08, 2011 4:27 PM
> >>>>> To:<xharbour-developers@lists.sourceforge.net>
> >>>>> Subject: HB_IT_DATE, HB_IT_TIMEFLAG, HB_IT_DATETIME
> >>>>> 
> >>>>>> Hi Guys,
> >>>>>> 
> >>>>>> It appears that the definitions and usage of:
> >>>>>> 
> >>>>>> HB_IT_DATE
> >>>>>> HB_IT_TIMEFLAG
> >>>>>> HB_IT_DATETIME
> >>>>>> 
> >>>>>> HB_IS_DATE()
> >>>>>> HB_IS_DATETIME()
> >>>>>> HB_IS_TIMEFLAG()
> >>>>>> 
> >>>>>> is inconsistent and not designed with system wide consideration.
> >>>>>> 
> >>>>>> On quick read of all relevant sources it appears that the correct fix 
> >>>>>> would be to make sure that HB_IT_TIMEFLAG is used indeed as a FLAG 
> >>>>>> where HB_IT_DATE must always be be the base value. This means that all 
> >>>>>> API which returns a DATETIME value must be corrected to:
> >>>>>> 
> >>>>>> pItem->type = HB_IT_DATETIME;
> >>>>>> 
> >>>>>> instead of:
> >>>>>> 
> >>>>>> pItem->type = HB_IT_TIMEFLAG;
> >>>>>> 
> >>>>>> Once this is done then naturally HB_IS_DATE() will correctly returns 
> >>>>>> TRUE for either a DATE value or a DATETIME value, since both are 
> >>>>>> indeed a form of a DATE value. This in turn will fix currently missing 
> >>>>>> support for DATETIME type in calculations, etc., such as hb_vmPlus() 
> >>>>>> and similar.
> >>>>>> 
> >>>>>> Finally, all existing instances of HB_IT_TIMEFLAG / HB_IT_DATETIME, 
> >>>>>> HB_IS_DATETIME(), and HB_IS_TIMEFLAG() should be searched and verified 
> >>>>>> and corrected when needed. All "case" structure where HB_IT_TIMEFLAG 
> >>>>>> has specific logic separate from HB_IT_DATE must be verified to be 
> >>>>>> ordered such that the HB_IT_TIMEFLAG/HB_IS_DATETIME() "case" is ABOVE 
> >>>>>> the HB_IT_DATE "case".
> >>>>>> 
> >>>>>> Since I have not taken any active part in the addition of the 
> >>>>>> HB_IT_DATETIME support, and I therefore may not be familiar with all 
> >>>>>> subtleties of the implementation I will greatly appreciate the 
> >>>>>> response, and appropriate fixing to be addressed by the original 
> >>>>>> contributor[s].
> >>>>>> 
> >>>>>> As it is right now the existing support for HB_IT_DATETIME is BROKEN 
> >>>>>> and incomplete and fixing this should be a PRIORITY IMO.
> >>>>>> 
> >>>>>> Ron
> > 
> > 
> > ------------------------------------------------------------------------------
> > All the data continuously generated in your IT infrastructure contains a
> > definitive record of customers, application performance, security
> > threats, fraudulent activity and more. Splunk takes this data and makes
> > sense of it. Business sense. IT sense. Common sense.
> > http://p.sf.net/sfu/splunk-d2d-oct
> > _______________________________________________
> > xHarbour-developers mailing list
> > xHarbour-developers@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/xharbour-developers




------------------------------------------------------------------------------
RSA&reg; Conference 2012
Save &#36;700 by Nov 18
Register now
http://p.sf.net/sfu/rsa-sfdev2dev1
_______________________________________________
xHarbour-developers mailing list
xHarbour-developers@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/xharbour-developers

Reply via email to