GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/10263
[SPARK-12274][SQL] WrapOption should not have type constraint for child
I think it was a mistake, and we have not catched it so far until
https://github.com/apache/spark/pull/10260 which begin to check if the
`fromRowExpression` is resolved.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark encoder
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10263.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 #10263
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commit 3dd05599635f0bad2367889ef90d7650c18bee67
Author: Wenchen Fan <[email protected]>
Date: 2015-12-11T05:02:15Z
WrapOption should not have type constraint for child
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