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| author | Takuya UESHIN <ueshin@happy-camper.st> | 2014-05-27 14:53:57 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@apache.org> | 2014-05-27 14:53:57 -0700 |
| commit | d1375a2bff846f2c4274e14545924646852895f9 (patch) | |
| tree | ee56057244e87f939418e3e8f343697fab7252d2 /README.md | |
| parent | 95e4c9c6fb153b7f0aa4c442c4bdb6552d326640 (diff) | |
| download | spark-d1375a2bff846f2c4274e14545924646852895f9.tar.gz spark-d1375a2bff846f2c4274e14545924646852895f9.tar.bz2 spark-d1375a2bff846f2c4274e14545924646852895f9.zip | |
[SPARK-1926] [SQL] Nullability of Max/Min/First should be true.
Nullability of `Max`/`Min`/`First` should be `true` because they return `null` if there are no rows.
Author: Takuya UESHIN <ueshin@happy-camper.st>
Closes #881 from ueshin/issues/SPARK-1926 and squashes the following commits:
322610f [Takuya UESHIN] Fix nullability of Min/Max/First.
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