GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/21253
[SPARK-24158][SS] Enabled no-data batches for streaming joins
## What changes were proposed in this pull request?
This is a continuation of the larger task of enabling zero-data batches for
more eager state cleanup. This PR enables it for stream-stream joins.
## How was this patch tested?
- Updated join tests. Additionally, updated them to not use
`CheckLastBatch` anywhere to set good precedence for future.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-24158
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21253.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 #21253
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commit cb5f55b4622fc8637950013a5f6a7005cecf9a07
Author: Tathagata Das <tathagata.das1565@...>
Date: 2018-05-03T02:55:35Z
Enabled no-data batches for joins
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