Cheng Hao e27212317c [SPARK-8972] [SQL] Incorrect result for rollup ... We don't support the complex expression keys in the rollup/cube, and we even will not report it if we have the complex group by keys, that will cause very confusing/incorrect result. e.g. `SELECT key%100 FROM src GROUP BY key %100 with ROLLUP` This PR adds an additional project during the analyzing for the complex GROUP BY keys, and that projection will be the child of `Expand`, so to `Expand`, the GROUP BY KEY are always the simple key(attribute names). Author: Cheng Hao <hao.cheng@intel.com> Closes #7343 from chenghao-intel/expand and squashes the following commits: 1ebbb59 [Cheng Hao] update the comment 827873f [Cheng Hao] update as feedback 34def69 [Cheng Hao] Add more unit test and comments c695760 [Cheng Hao] fix bug of incorrect result for rollup		2015-07-15 23:35:27 -07:00
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src	[SPARK-8972] [SQL] Incorrect result for rollup	2015-07-15 23:35:27 -07:00
pom.xml	[SPARK-7956] [SQL] Use Janino to compile SQL expressions into bytecode	2015-06-04 10:28:59 -07:00