[TYPO3-dev] date and datetime fields

[Steffen Kamper]

"Martin Kutschker" <martin.kutschker-n0spam at no5pam-blackbox.net> schrieb im 
Newsbeitrag 
news:mailman.1.1203790936.12685.typo3-dev at lists.netfielders.de...
>> Steffen Kamper schrieb:
>> how can this work? the start/stop has to be read anyway imho.
>
> Of course I wrote nonsense :-) It's the cache of pages linking to the 
> possibly hidden page that is the problem. You would have to tune their 
> cache time manually. The clear-at-midnight is just a simple idea to make 
> sure that at midnight all pages are regenerated so that links to oages 
> with start/stop may appear and disappear.

damn, that makes it really complicate. So how to fiddle all the pages that 
link to the appearing page? Or clear all page cache?

>
>> So may be i don't know the real process with cache, is record untouched 
>> when page is cached?
>> If page has a start-date, it's not displayed before, how could the page 
>> be cached? (stop yes)
>
> See above.
>
>> Should such signal-dates processed anyway and also used for clearing the 
>> cache?
>
> TYPO3 has "now" (for a couple of versions) the soft-references feature. 
> IMHO this could be used for improved cache management. A cron job could 
> look for pages that change state (shown/hidden) because of start/stop and 
> could clear the cache for all pages that link to those pages. A similiar 
> mechanism could be used in the BE whenever a page is changed. Currently 
> there is only the option to clear the cache of the parent and the siblings 
> but here again soft-refences could come into play.
>
> Masi

sounds promising. I don't know this soft-references, where do i find this in 
core?

vg  Steffen