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| author | Cheng Hao <hao.cheng@intel.com> | 2015-06-23 10:52:17 -0700 |
|---|---|---|
| committer | Michael Armbrust <michael@databricks.com> | 2015-06-23 10:52:17 -0700 |
| commit | 7b1450b666f88452e7fe969a6d59e8b24842ea39 (patch) | |
| tree | 8ef3d644708111352cec4d936fd8a17bb74fe688 /unsafe | |
| parent | 4f7fbefb8db56ecaab66bb0ac2ab124416fefe58 (diff) | |
| download | spark-7b1450b666f88452e7fe969a6d59e8b24842ea39.tar.gz spark-7b1450b666f88452e7fe969a6d59e8b24842ea39.tar.bz2 spark-7b1450b666f88452e7fe969a6d59e8b24842ea39.zip | |
[SPARK-7235] [SQL] Refactor the grouping sets
The logical plan `Expand` takes the `output` as constructor argument, which break the references chain. We need to refactor the code, as well as the column pruning.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #5780 from chenghao-intel/expand and squashes the following commits:
76e4aa4 [Cheng Hao] revert the change for case insenstive
7c10a83 [Cheng Hao] refactor the grouping sets
Diffstat (limited to 'unsafe')
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