As of yesterday's 1.2.5, the JDO and JPA interfaces should issue a keys-only query if you restrict the fields returned by your query to the primary key only, addressing this particular issue: http://code.google.com/p/datanucleus-appengine/issues/detail?id=77
- Jason On Thu, Sep 3, 2009 at 7:07 AM, Corneliu Paul Lupulet < corneliu.lupu...@gmail.com> wrote: > There is! (check out this post about pagination: > http://code.google.com/appengine/articles/paging.html ) > I've been successfully using something like this until now: > > "select * from whatever and field1 = 'whatever' and ... and key > > 'FGHFGHHDG453dfgd4453dDFDFG' order by whatever asc, .... key asc > > My only issue is that i don't want the query to return the actual objects, > but just their keys (it is supposedly much faster) > > On Thu, Sep 3, 2009 at 4:45 PM, leszek <leszek.ptokar...@gmail.com> wrote: > >> >> But how do you want to accomplish it ? There is no query like "give me >> the next no more than 1000 keys using filter key > lastkey". Also >> there is no query like "give me the least key using filter "key > >> lastkey". >> >> > > > -- > Corneliu Paul Lupulet > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---
