Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/15354#discussion_r82313950 --- Diff: python/pyspark/sql/functions.py --- @@ -1729,6 +1729,29 @@ def from_json(col, schema, options={}): return Column(jc) +@ignore_unicode_prefix +@since(2.1) +def to_json(col, options={}): + """ + Converts a column containing a [[StructType]] into a JSON string. Returns `null`, + in the case of an unsupported type. + + :param col: struct column --- End diff -- Sure, let me try to double check other comments as well.
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