Thanks Hao, But my question concerns UDAF (user defined aggregation function ) not UDTF( user defined type function ). I appreciate if you could point me to some starting point on UDAF development in Spark.
Thanks Shahab On Tuesday, March 10, 2015, Cheng, Hao <hao.ch...@intel.com> wrote: > Currently, Spark SQL doesn’t provide interface for developing the custom > UDTF, but it can work seamless with Hive UDTF. > > > > I am working on the UDTF refactoring for Spark SQL, hopefully will provide > an Hive independent UDTF soon after that. > > > > *From:* shahab [mailto:shahab.mok...@gmail.com > <javascript:_e(%7B%7D,'cvml','shahab.mok...@gmail.com');>] > *Sent:* Tuesday, March 10, 2015 5:44 PM > *To:* user@spark.apache.org > <javascript:_e(%7B%7D,'cvml','user@spark.apache.org');> > *Subject:* Registering custom UDAFs with HiveConetxt in SparkSQL, how? > > > > Hi, > > > > I need o develop couple of UDAFs and use them in the SparkSQL. While UDFs > can be registered as a function in HiveContext, I could not find any > documentation of how UDAFs can be registered in the HiveContext?? so far > what I have found is to make a JAR file, out of developed UDAF class, and > then deploy the JAR file to SparkSQL . > > > > But is there any way to avoid deploying the jar file and register it > programmatically? > > > > > > best, > > /Shahab >
