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| author | wangzhenhua <wangzhenhua@huawei.com> | 2017-01-10 22:34:44 -0800 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2017-01-10 22:34:44 -0800 |
| commit | a6155135690433988aa0cbf22f260f52a235e9f5 (patch) | |
| tree | 560378be0cef306565de851135ac932c10db951b /docs/running-on-yarn.md | |
| parent | 3b19c74e71fd6af18047747843e962b5401db4d9 (diff) | |
| download | spark-a6155135690433988aa0cbf22f260f52a235e9f5.tar.gz spark-a6155135690433988aa0cbf22f260f52a235e9f5.tar.bz2 spark-a6155135690433988aa0cbf22f260f52a235e9f5.zip | |
[SPARK-19149][SQL] Unify two sets of statistics in LogicalPlan
## What changes were proposed in this pull request?
Currently we have two sets of statistics in LogicalPlan: a simple stats and a stats estimated by cbo, but the computing logic and naming are quite confusing, we need to unify these two sets of stats.
## How was this patch tested?
Just modify existing tests.
Author: wangzhenhua <wangzhenhua@huawei.com>
Author: Zhenhua Wang <wzh_zju@163.com>
Closes #16529 from wzhfy/unifyStats.
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