GitHub user juliuszsompolski opened a pull request:
https://github.com/apache/spark/pull/17707
[SPARK-20412] Throw ParseException from visitNonOptionalPartitionSpec
instead of returning null values.
## What changes were proposed in this pull request?
If a partitionSpec is supposed to not contain optional values, a
ParseException should be thrown, and not nulls returned.
The nulls can later cause NullPointerExceptions in places not expecting
them.
## How was this patch tested?
A query like "SHOW PARTITIONS tbl PARTITION(col1='val1', col2)" used to
throw a NullPointerException.
Now it throws a ParseException.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/juliuszsompolski/apache-spark SPARK-20412
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17707.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 #17707
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