GitHub user jaceklaskowski opened a pull request:
https://github.com/apache/spark/pull/20856
[SPARK-23731][SQL] FileSourceScanExec throws NullPointerException in
subexpression elimination
## What changes were proposed in this pull request?
Avoids ("fixes") a NullPointerException in subexpression elimination for
subqueries with FileSourceScanExec.
## How was this patch tested?
Local build. No new tests as I could not reproduce it other than using the
query and data under NDA. Waiting for Jenkins.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jaceklaskowski/spark
SPARK-23731-FileSourceScanExec-throws-NPE
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20856.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 #20856
commit 39814216026da32eee5aabf3886bbedd3b90ed08
Author: Jacek Laskowski
Date: 2018-03-18T17:12:32Z
[SPARK-23731][SQL] FileSourceScanExec throws NullPointerException in
subexpression elimination
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