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| author | Herman van Hovell <hvanhovell@questtec.nl> | 2015-11-08 11:06:10 -0800 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2015-11-08 11:06:10 -0800 |
| commit | 30c8ba71a76788cbc6916bc1ba6bc8522925fc2b (patch) | |
| tree | 851dbdcce7d78bbf6fd4c948dd4407642fea63cc /docs/sql-programming-guide.md | |
| parent | 5c4e6d7ec9157c02494a382dfb49e7fbde3be222 (diff) | |
| download | spark-30c8ba71a76788cbc6916bc1ba6bc8522925fc2b.tar.gz spark-30c8ba71a76788cbc6916bc1ba6bc8522925fc2b.tar.bz2 spark-30c8ba71a76788cbc6916bc1ba6bc8522925fc2b.zip | |
[SPARK-11451][SQL] Support single distinct count on multiple columns.
This PR adds support for multiple column in a single count distinct aggregate to the new aggregation path.
cc yhuai
Author: Herman van Hovell <hvanhovell@questtec.nl>
Closes #9409 from hvanhovell/SPARK-11451.
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