Can't this be done with a carefully constructed key_name?
On Nov 6, 2:25 am, dobee <[EMAIL PROTECTED]> wrote: > On Nov 6, 10:37 am, mawei1981 <[EMAIL PROTECTED]> wrote: > > > Hi, All > > > As we know, the database provide a unique key not a primary key to > > support we store some content we do not like redundant, we query some > > content use distinct because we do not want to see redundant record. > > > So, when I store some url or email address in my spider(written under > > app engine), I need to create a entity to store the content, and I > > guess I don't need to execute a GQL to check it has exist. > > up till now you have to > > seehttp://code.google.com/p/googleappengine/issues/detail?id=178 > > > > > > > Someone can tell me, Does app engine has this Property of db.Model? > > > Maven > > 2008-11-06- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
