dongjoon-hyun commented on pull request #28826:
URL: https://github.com/apache/spark/pull/28826#issuecomment-646914222
BTW, @guykhazma . Is the example in the PR description enough? If I follow
the direction, the metadata is not lost.
```
scala> sc.version
res1: String = 3.0.0
...
{"key":"value"}
{}
{"key":"value"}
{}
```
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