GitHub user dilipbiswal opened a pull request:
https://github.com/apache/spark/pull/10156
[SPARK-12102][SQL] Cast a non-nullable struct field to a nullable field
during analysis
Compare both left and right side of the case expression ignoring nullablity
when checking for type equality.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dilipbiswal/spark spark-12102
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10156.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 #10156
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commit 74a8983e71ec8ed72b8a071c9eebbf4598b6269e
Author: Dilip Biswal <[email protected]>
Date: 2015-12-05T06:01:34Z
SPARK-12102 Cast a non-nullable struct field to a nullable field during
analysis
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