adding session.forget() just means that you don't need to use session variables in that controller. it has nothing to do with cache....
Anyway, time_expire=0 means "store this item in cache using this key" On Friday, March 22, 2013 7:42:58 PM UTC+1, Derek wrote: > > So help me out here... > > I have this code: > > def saveAddress(): > #session.forget(response) > houses = None > useCached = True > if request.post_vars.address: > useCached = False > newhouse = > db.house.insert(address=request.post_vars.address,person > =request.post_vars.owner) > houses = db(db.house.person == request.post_vars.owner).select > (db.house.ALL,cache=(cache.ram, 0)) > if houses == None: > houses = db(db.house.person == request.post_vars.owner).select > (db.house.ALL,cache=(cache.ram, 600)) > return dict(houses=houses) > > > It looks like it works... The idea being that when I insert a new item > into the house table, I want to expire the cache. I thought I could do that > with "cache=(cache.ram, 0)". > When I say it looks like it works, I mean that I run the code, and when I > save, the new houses added show up, and when I refresh the page, all the > houses appear... but, is it really caching in this case? Note that I > removed the line for session.forget. I do this because I know when to > expire the cache. I can cache indefinitely. I'm the only one adding > records, and since that's the case, I can expire the cache just as soon as > a new record is added or updated. I'd ideally like to have a never expiring > cache. > > On Friday, March 22, 2013 7:54:07 AM UTC-7, villas wrote: >> >> Niphlod and Anthony, >> Thanks so much for your comments which have assisted me both to >> understand and get it working. >> >> It seems that I missed the following paragraph in the book: >> >> time_expire = None >> Forces retrieval of the cached value, regardless of the time elapsed >> since it was saved (if time_expire is always None, the cached >> item will effectively never expire) >> >> Best wishes, D >> > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
