GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/21436
[SPARK-24250][SQL][Follow-up] support accessing SQLConf inside tasks
## What changes were proposed in this pull request?
We should not stop users from calling `getActiveSession` and
`getDefaultSession` in executors. To not break the existing behaviors, we
should simply return None.
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark followUpSPARK-24250
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21436.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 #21436
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commit 82a0f8754dd874435039506365841d4c0734c0d6
Author: Xiao Li <gatorsmile@...>
Date: 2018-05-26T00:14:39Z
fix
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