[Zope-CMF] Re: [dev] DateIndex and __CEILING_DATE

Tres Seaver tseaver at zope.com
Mon Mar 22 14:40:54 EST 2004

yuppie wrote:
> @ Gitte and Tres: I cc'd you because I refer to old mails of you.
> Hi!
> Today I stumbled over this mail and thread:
> <http://mail.zope.org/pipermail/zope-cmf/2003-November/019773.html>
> Why is there a need to run a conversion script to replace __CEILING_DATE 
> by 'None'?
> AFAICS 'None' is already stored in the content objects and all that 
> needs to be changed is this line in DefaultDublinCoreImpl.expires():
>     return date is None and self.__CEILING_DATE or date
> (At least basically. Full backwards compatibility would be a bit more 
> complex.)
> What am I missing?

Likely only the need to reindex everything;  given that one is likely 
replacing the existing 'expires' and 'effective' indexes (FieldIndex / 
DateIndex) with an 'effectiveRange' index (DateRangeIndex), this might 
not be a bad thing.

Tres Seaver                                tseaver at zope.com
Zope Corporation      "Zope Dealers"       http://www.zope.com

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