On Wed, Nov 5, 2008 at 8:09 AM, Hastala <[EMAIL PROTECTED]> wrote: > > Does GQL support such query "select sum(certaincolumn) from > certaintable where ..."
NO. Datastore is not really SQL based - it just provides GQL to be somewhat familiar. > > If yes, how can I use it? > Currenly I have to fetch all columns and then loop and cumulate the > certaincolumn. Even better is precalulate it at write time. The idea being you should be that your reads far outnumber your reads. > > > > -- 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 -~----------~----~----~----~------~----~------~--~---
