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| author | Herman van Hovell <hvanhovell@questtec.nl> | 2015-12-30 16:51:07 -0800 |
|---|---|---|
| committer | Yin Huai <yhuai@databricks.com> | 2015-12-30 16:51:07 -0800 |
| commit | f76ee109d87e727710d2721e4be47fdabc21582c (patch) | |
| tree | 7f26d322151c6b7446e30ad45bfd4b8cf33b33f2 /docs/security.md | |
| parent | b244297966be1d09f8e861cfe2d8e69f7bed84da (diff) | |
| download | spark-f76ee109d87e727710d2721e4be47fdabc21582c.tar.gz spark-f76ee109d87e727710d2721e4be47fdabc21582c.tar.bz2 spark-f76ee109d87e727710d2721e4be47fdabc21582c.zip | |
[SPARK-8641][SPARK-12455][SQL] Native Spark Window functions - Follow-up (docs & tests)
This PR is a follow-up for PR https://github.com/apache/spark/pull/9819. It adds documentation for the window functions and a couple of NULL tests.
The documentation was largely based on the documentation in (the source of) Hive and Presto:
* https://prestodb.io/docs/current/functions/window.html
* https://cwiki.apache.org/confluence/display/Hive/LanguageManual+WindowingAndAnalytics
I am not sure if we need to add the licenses of these two projects to the licenses directory. They are both under the ASL. srowen any thoughts?
cc yhuai
Author: Herman van Hovell <hvanhovell@questtec.nl>
Closes #10402 from hvanhovell/SPARK-8641-docs.
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