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| author | Liang-Chi Hsieh <viirya@appier.com> | 2015-12-01 21:51:33 -0800 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2015-12-01 21:51:33 -0800 |
| commit | 0f37d1d7ed7f6e34f98f2a3c274918de29e7a1d7 (patch) | |
| tree | f21a642dbf33441ef71aaaafd47af0d30d911057 /python/pyspark/rdd.py | |
| parent | 8a75a3049539eeef04c0db51736e97070c162b46 (diff) | |
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[SPARK-11949][SQL] Check bitmasks to set nullable property
Following up #10038.
We can use bitmasks to determine which grouping expressions need to be set as nullable.
cc yhuai
Author: Liang-Chi Hsieh <viirya@appier.com>
Closes #10067 from viirya/fix-cube-following.
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