GitHub user MaxGekk opened a pull request:
https://github.com/apache/spark/pull/22534
[SPARK-25514][SQL] Pretty JSON
## What changes were proposed in this pull request?
The PR introduces new JSON option `pretty` which allows to turn on
`DefaultPrettyPrinter` of `Jackson`'s Json generator. New option is useful in
exploring of deep nested columns and in converting of JSON columns in more
readable representation (look at the added test).
## How was this patch tested?
Added rount trip test which convert an JSON string to pretty representation
via `from_json()` and `to_json()`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/MaxGekk/spark-1 pretty-json
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22534.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 #22534
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commit 826e8c3dd5b7e54ebdceee74f30798e1b01bcaed
Author: Maxim Gekk <maxim.gekk@...>
Date: 2018-09-23T18:49:58Z
Added a round trip tests - from_json and to_json
commit 051c8fd47741637fc9ace6afc059b4b1d18471f5
Author: Maxim Gekk <maxim.gekk@...>
Date: 2018-09-23T19:02:05Z
Support the pretty option
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