What is Siena? zig zag is built into the datastore and always on, if it is "not working" it is a miss-match between the indexes available and the query executed. The index error will tell you what index is needed. Can you give me your app id and the index suggested?
On Wed, Nov 16, 2011 at 5:59 PM, Emanuele Ziglioli < theb...@emanueleziglioli.it> wrote: > zig zag doesn't work for me, using the Siena API > > What's worse, an 'index error' was created and I had to cleanup the > index error on the production server, a real PITA > > On Nov 17, 5:23 am, Alfred Fuller <arfuller+appeng...@google.com> > wrote: > > That is referring only to the transient 'NeedIndex' error that popped up > > sometimes when a query was executed using zigzag in production: > > "NeedIndexError: The built-in indices are not efficient enough for this > > query and your data. Please add a composite index for this query." > > > > This will no longer ever be thrown. > > > > > > > > > > > > > > > > On Wed, Nov 16, 2011 at 4:54 AM, Mos <mosa...@googlemail.com> wrote: > > > Hello Alfred, > > > > > thanks for clarification! > > > > > I will report the issue below if it happens again. > > > > > My confusion started when reading the presentation: > > > > >http://whiteship.me/wp-content/uploads/2011/11/getting_the_most_out_o. > .. > > > > > On page 51, regarding the "advanced query planner" you can read "No > more > > > 'needs index' errors (although some may timeout)". > > > > > I thought and hoped no more need for managing indexes manually ...... > > > > > Cheers > > > Mos > > > > > On Tue, Nov 15, 2011 at 6:46 PM, Alfred Fuller < > > > arfuller+appeng...@google.com> wrote: > > > > >> On Wed, Nov 9, 2011 at 1:42 AM, Mos <mosa...@googlemail.com> wrote: > > > > >>> Does the improved query planner reduce the need of managing indexes > > >>> manually in the datastore-index.xml file? > > > > >> It increases the need to manage indexes manually > > > > >>> I'm a bit confused. > > >>> The documentation is not obvious for me. > > > > >>> In local development mode I set autoGenerate="false" and delete the > > >>> datastore-index-auto.xml. > > >>> My application runs fine. > > > > >>> Deploying on GAE I've got the annoying > > > > >>> com.google.appengine.api.datastore.DatastoreNeedIndexException: no > > >>> matching index found. > > > > >>> exception. > > > > >> This should not happen > > > > >>> Hence, how does the improved query planner change the workflow of a > GAE > > >>> developer? > > > > >> Basically you have to turn off auto generate and manage the indexes > > >> manually. > > > > >>> Cheers > > >>> Mos > > > > >>> -- > > >>> 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. > > > > >> -- > > >> 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. > > > > > -- > > > 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. > > -- > 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. > > -- 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.
