I can't comment on "sharded counter", but just FYI, python has a built in method called "sum" that you can apply to lists or tuples, without writing your own loop. aList = [1,2,3] bTup = (1,2,3)
sum(aList) or sum(bList) return 6. On Wed, Feb 11, 2009 at 7:51 PM, Barry Hunter <[email protected]>wrote: > > Search the group for 'sharded counter' - the same technique should > work equally well for calculating a sum. > > On 11/02/2009, Neversummer <[email protected]> wrote: > > > > I want to get a total (sum) from an property on a given entity. I know > > that sum() is not supported. Is the best method to query for all > > records on the entity in question and work through a loop adding each > > records value (the value of the property in question) to a total > > variable? > > > > It's worth noting that I am brand new to google app engine and to > > python. Thanks for any suggestions. > > > > > > > > > > -- > Barry > > - www.nearby.org.uk - www.geograph.org.uk - > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
