GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/16304
[SPARK-18894][SS] Follow-up bug fix
## What changes were proposed in this pull request?
Two changes
- Disallow went time watermark delay threshold be specified in months or
years
- Following up on #16258, not show watermark when there is no watermarking
in the query
## How was this patch tested?
Updated and new unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-18834-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16304.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 #16304
----
commit 7fc341195f6cd348d7745646b06e381dc79fe081
Author: Tathagata Das <tathagata.das1...@gmail.com>
Date: 2016-12-16T02:45:51Z
No event time stats when no watermark is set
commit 33a7d1b84266b0d50f7bd1cc4e5bb47226d043cd
Author: Tathagata Das <tathagata.das1...@gmail.com>
Date: 2016-12-16T03:18:18Z
Disallow dfelay threshold in months or years
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