GitHub user xinyunh opened a pull request:
https://github.com/apache/spark/pull/2099
[SPARK-3176] Implement 'POWER', 'ABS and 'LAST' for sql
Add support for the mathematical function "POWER" and "ABS" and the
analytic function "last" to return a subset of the rows satisfying a query
within spark sql. Test-cases included.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Huawei-Spark/spark sqlTest
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2099.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2099
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commit c37ec6e2a9c8f5e522ed37cc3bfa41be696433a5
Author: xinyunh <[email protected]>
Date: 2014-08-14T20:13:02Z
add 'Last' component
commit 9becb24fdc42800e9c2211c4090bf83bb23efbbe
Author: xinyunh <[email protected]>
Date: 2014-08-14T23:10:28Z
fix the bug in 'Last' component
commit c68f3cabb4fe7447f2d7982f23e26d582358ca63
Author: bomeng <golf8lover>
Date: 2014-08-20T18:16:35Z
add abs() function support
commit fe22feed44737f397cbacba737dd6ed0ec61ef4c
Author: bomeng <golf8lover>
Date: 2014-08-20T18:35:48Z
add abs() function support
commit f7d501c5033bacdfabbf0898cc1bd7fecf4f3c8f
Author: Bo Meng <[email protected]>
Date: 2014-08-20T21:16:46Z
add math 'power' function
commit 024b5bbf2af1b4057fb9d182da4d11357411b7e3
Author: Bo Meng <[email protected]>
Date: 2014-08-21T17:51:40Z
handle the non-numeric string
commit 7570fa64b526f92240e6a8052cc74d00b97c6d09
Author: xinyunh <[email protected]>
Date: 2014-08-22T18:16:40Z
Upload testcases and optimize the code
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