GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/16683
[SPARK-19268][SS]Disallow adaptive query execution for streaming queries
## What changes were proposed in this pull request?
As adaptive query execution may change the number of partitions in
different batches, it may break streaming queries. Hence, we should disallow
this feature in Structured Streaming.
## How was this patch tested?
`test("SPARK-19268: Adaptive query execution should be disallowed")`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-19268
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16683.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 #16683
----
commit 2651015b9c0fb3f955dfc4c87703d62444dd5f2f
Author: Shixiong Zhu <[email protected]>
Date: 2017-01-23T22:16:20Z
Disallow adaptive query execution for streaming queries
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