Don't think Google would mind if you submit a patch, you have the source code under SVN available from here http://code.google.com/p/appengine-mapreduce/source/browse/
On Wed, Nov 10, 2010 at 6:08 PM, Nacho Coloma <[email protected]> wrote: > 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)" > <[email protected]<ikai.l%[email protected]> > > > 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 <[email protected]> > 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)" > > > <[email protected]<ikai.l%[email protected]> > <ikai.l%[email protected] <ikai.l%[email protected]>> > > > > > 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 < > > > [email protected] > > > > > > > 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 > > > > > [email protected]. > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<google-appengine-java%[email protected]><google-appengine-java%2B > [email protected]><google-appengine-java%2B > > > [email protected]> > > > > > . > > > > > 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 > > > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<google-appengine-java%[email protected]><google-appengine-java%2B > [email protected]> > > > . > > > 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 > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > 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 [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-java?hl=en.
