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| author | wangzhenhua <wangzhenhua@huawei.com> | 2016-11-29 13:16:46 -0800 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2016-11-29 13:16:46 -0800 |
| commit | d57a594b8b4cb1a6942dbd2fd30c3a97e0dd031e (patch) | |
| tree | 847dfe0de2a6ec831917709f169708695d09f95f /sql/core/src/test/resources | |
| parent | f643fe47f4889faf68da3da8d7850ee48df7c22f (diff) | |
| download | spark-d57a594b8b4cb1a6942dbd2fd30c3a97e0dd031e.tar.gz spark-d57a594b8b4cb1a6942dbd2fd30c3a97e0dd031e.tar.bz2 spark-d57a594b8b4cb1a6942dbd2fd30c3a97e0dd031e.zip | |
[SPARK-18429][SQL] implement a new Aggregate for CountMinSketch
## What changes were proposed in this pull request?
This PR implements a new Aggregate to generate count min sketch, which is a wrapper of CountMinSketch.
## How was this patch tested?
add test cases
Author: wangzhenhua <wangzhenhua@huawei.com>
Closes #15877 from wzhfy/cms.
Diffstat (limited to 'sql/core/src/test/resources')
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