GitHub user skonto opened a pull request:
https://github.com/apache/spark/pull/11732
[SPARK-13896][SQL]Dataset.toJSON should return Dataset[String]
## What changes were proposed in this pull request?
Change the return type of toJson in Dataset class
## How was this patch tested?
No additional unit test required.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/skonto/spark fix_toJson
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11732.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 #11732
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commit a1b7334856a0d004863bf5540a4980c0e1985d38
Author: Stavros Kontopoulos <stavros.kontopou...@typesafe.com>
Date: 2016-03-15T13:51:21Z
dataset tojson
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