GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/21854
[SPARK-24896][SQL] Uuid should produce different values for each execution
in streaming query
## What changes were proposed in this pull request?
`Uuid`'s results depend on random seed given during analysis. Thus under
streaming query, we will have the same uuids in each execution.
## How was this patch tested?
Added test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 uuid_in_streaming
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21854.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 #21854
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commit 8ef299f19a16ed63187e36c333221995f0461731
Author: Liang-Chi Hsieh <viirya@...>
Date: 2018-07-24T04:21:40Z
Uuid should produce different values in streaming query.
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