Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22534#discussion_r220405798
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -3635,6 +3637,8 @@ object functions {
* @param e a column containing a struct, an array or a map.
* @param options options to control how the struct column is converted
into a json string.
* accepts the same options and the json data source.
+ * Additionally the function supports the `pretty` option
which enables
--- End diff --
For clarification, we don't support this in JSON datasource officially
since it's not documented.
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