Github user gatorsmile commented on the pull request: https://github.com/apache/spark/pull/9419#issuecomment-153451771 @chenghao-intel @hvanhovell Unit test cases are added. Will finish the code for resolving the comments by @holdenk @rick-ibm @rxin @marmbrus @liancheng @yhuai I am wondering if my incremental low-risk fix will be merged to Spark 1.6? If not, personally, I prefer to fixing all the bugs and improve the solution by @aray (Andrew Ray). That solution simplifies the implementation of rollup and cube.
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