Thank you, Nick. What about applying a filter in these cases? Will key ordering be ignored if I also try to apply a filter on a 'real' property? Thanks.
Jeff On Fri, Sep 10, 2010 at 12:42 PM, Nick Johnson (Google) < nick.john...@google.com> wrote: > Hi Jeff, > > On Fri, Sep 10, 2010 at 5:21 PM, Jeff Schwartz <jefftschwa...@gmail.com>wrote: > >> High Nick. Thank you and that's what I thought but lets say all the >> entities have the same parent or all of them have no parents then aren't you >> able to order descending on their ids to reverse the sort order? Also, if >> you can, then can you also use a filter on a property other than id as well? >> > > Correct - but in either case, you're still sorting on the key, it's just > that the only part of the key that changes is the ID. > > -Nick Johnson > > >> Jeff >> >> >> On Fri, Sep 10, 2010 at 11:43 AM, Nick Johnson (Google) < >> nick.john...@google.com> wrote: >> >>> Hi Jeff, >>> >>> You can't really order on ID - only on key. If entities have different >>> parents, they will sort first by their parent, then by their ID. >>> >>> -Nick Johnson >>> >>> On Fri, Sep 10, 2010 at 3:25 AM, Jeff Schwartz <jefftschwa...@gmail.com >>> > wrote: >>> >>>> Hi All, >>>> >>>> I think I know the answer to this but I'd like someone from the app >>>> engine team to provide a definitive answer if possible. When querying on a >>>> single entity type where the result set contains instances of entities that >>>> are children of different parents (thus belonging to different entity >>>> groups) will ordering on their ids though specified be ignored? My instinct >>>> tells me that ordering will be ignored. In other words, is the rule then >>>> the >>>> following: >>>> >>>> Ordering is allowed on key ids only if all entities have the same kind >>>> _and_ parent >>>> >>>> In addition, I would also assume that filtering works the same way, >>>> having the same restriction. Correct? >>>> >>>> Thanks in advance for your response. >>>> >>>> -- >>>> -- >>>> Jeff >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Google App Engine" group. >>>> To post to this group, send email to google-appeng...@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> >>>> . >>>> For more options, visit this group at >>>> http://groups.google.com/group/google-appengine?hl=en. >>>> >>> >>> >>> >>> -- >>> Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. >>> :: Registered in Dublin, Ireland, Registration Number: 368047 >>> Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration >>> Number: 368047 >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Google App Engine" group. >>> To post to this group, send email to google-appeng...@googlegroups.com. >>> To unsubscribe from this group, send email to >>> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/google-appengine?hl=en. >>> >> >> >> >> -- >> -- >> Jeff >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to google-appeng...@googlegroups.com. >> To unsubscribe from this group, send email to >> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > > > > -- > Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. > :: Registered in Dublin, Ireland, Registration Number: 368047 > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: > 368047 > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- -- Jeff -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
