GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/10588
[SPARK-12480][follow-up] use a single column vararg for hash
address comments in #10435
This makes the API easier to use if user programmatically generate the call
to hash, and they will get analysis exception if the arguments of hash is empty.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark hash
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10588.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 #10588
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commit ba303fde8caabf276b45addc8ba1375a1f0fa19e
Author: Wenchen Fan <[email protected]>
Date: 2016-01-05T05:43:34Z
use a single column vararg for hash
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