Pull requests would be welcome for any major missing features in the guide: https://github.com/apache/spark/blob/master/docs/sql-programming-guide.md
On Thu, Dec 15, 2016 at 11:48 AM, Jim Hughes <jn...@ccri.com> wrote: > Hi Anton, > > I'd like to see this as well. I've been working on implementing > geospatial user-defined types and functions. Having examples of > aggregations and window functions would be awesome! > > I did test out implementing a distributed convex hull as a > UserDefinedAggregateFunction, and that seemed to work sensibly. > > Cheers, > > Jim > > > On 12/15/2016 03:28 AM, Anton Okolnychyi wrote: > > Hi, > > I am wondering whether it makes sense to expand the Spark SQL programming > guide with examples of aggregations (including user-defined via the > Aggregator API) and window functions. For instance, there might be a > separate subsection under "Getting Started" for each functionality. > > SPARK-16046 seems to be related but there is no activity for more than 4 > months. > > Best regards, > Anton > > >
