GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/14679
[SPARK-17102][SQL] bypass UserDefinedGenerator for json format check
## What changes were proposed in this pull request?
We use reflection to convert `TreeNode` to json string, and currently don't
support arbitrary object. `UserDefinedGenerator` takes a function object, so we
should skip json format test for it, or the tests can be flacky, e.g.
`DataFrameSuite.simple explode`, this test always fail in branch 1.6, but pass
in master, because of the different scala versions.
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark json
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14679.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 #14679
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commit c04084d29c3d049053a5929d6860006549c96573
Author: Wenchen Fan <wenc...@databricks.com>
Date: 2016-08-17T06:32:17Z
bypass UserDefinedGenerator for json format check
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