Is there any option to contribute to this project? I am using hacks to do the filtering, and it seems easy to implement.
I would love to discuss things first, but appengine-mapreduce seems like a read-only project to me. It's fine but I would like to help it move forward. On Nov 8, 10:11 pm, "Ikai Lan (Google)" <ikai.l+gro...@google.com> wrote: > There was talk about supporting it, but the priority is getting out the > shuffle/reduce steps first. > > appengine-mapreduce is an open source project. You can probably just > edit/subclass DatastoreInputFormat.java and add the filter functionality: > > http://www.google.com/codesearch/p?hl=en#XwsseYUY0Ps/trunk/java/src/c... > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > Blogger:http://googleappengine.blogspot.com > Reddit:http://www.reddit.com/r/appengine > Twitter:http://twitter.com/app_engine > > > > > > > > On Mon, Nov 8, 2010 at 12:28 PM, Brad <bseef...@finallythebasics.com> wrote: > > Ikai, > > > Are there any plans to support filter functionality in the future? I > > have a similar situation where I want to iterate over a collection > > that is big enough to be used by the mapper framework, but much > > smaller than the actual collection size of all entities of that kind. > > > Brad > > > On Nov 8, 11:56 am, "Ikai Lan (Google)" > > <ikai.l+gro...@google.com<ikai.l%2bgro...@google.com> > > > wrote: > > > No, the mapper will go over everything. If the number of entities is > > small, > > > you are better off placing an indexed property on ONLY these fields, then > > > just iterating over them with a cursor and either a local client making > > > multiple HTTP calls to your App Engine app or chained task queues. > > > > -- > > > Ikai Lan > > > Developer Programs Engineer, Google App Engine > > > Blogger:http://googleappengine.blogspot.com > > > Reddit:http://www.reddit.com/r/appengine > > > Twitter:http://twitter.com/app_engine > > > > On Sun, Nov 7, 2010 at 5:58 AM, aswath satrasala < > > aswath.satras...@gmail.com > > > > > wrote: > > > > Hello, > > > > I want to perform few aggregations on entities of a kind that are > > filtered > > > > by the property. > > > > The entities I want to perform the aggregation is small compared to the > > > > complete entity set. > > > > Is there any way to pass the filters to the mapper, so that only those > > > > entities are retrieved and aggregation is performed > > > > > *Regards > > > > -Aswath > > > >http://vs-accounting.appspot.com > > > > Accounting for Indian markets.* > > > > > -- > > > > 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-j...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2B > > > > unsubscr...@googlegroups.com><google-appengine-java%2B > > 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-j...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2B > > 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-j...@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.
