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author | Andrew Ray <ray.andrew@gmail.com> | 2016-05-02 22:47:32 -0700 |
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committer | Yin Huai <yhuai@databricks.com> | 2016-05-02 22:47:32 -0700 |
commit | d8f528ceb61e3c2ac7ac97cd8147dafbb625932f (patch) | |
tree | 5e5e3987d3efc5740c4ed21eb53fc2eea478ce46 /docs/quick-start.md | |
parent | bb9ab56b960153d374d7e8838f62a18e7e45481e (diff) | |
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[SPARK-13749][SQL][FOLLOW-UP] Faster pivot implementation for many distinct values with two phase aggregation
## What changes were proposed in this pull request?
This is a follow up PR for #11583. It makes 3 lazy vals into just vals and adds unit test coverage.
## How was this patch tested?
Existing unit tests and additional unit tests.
Author: Andrew Ray <ray.andrew@gmail.com>
Closes #12861 from aray/fast-pivot-follow-up.
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