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| author | Cheng Hao <hao.cheng@intel.com> | 2015-10-27 20:26:38 -0700 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2015-10-27 20:26:38 -0700 |
| commit | d9c6039897236c3f1e4503aa95c5c9b07b32eadd (patch) | |
| tree | 3f9ddb1f1c7b91ef3cb7073cd7094522e48b340f /mllib/src | |
| parent | b960a890561eaf3795b93c621bd95be81e56f5b7 (diff) | |
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[SPARK-10484] [SQL] Optimize the cartesian join with broadcast join for some cases
In some cases, we can broadcast the smaller relation in cartesian join, which improve the performance significantly.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #8652 from chenghao-intel/cartesian.
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