Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22226#discussion_r213177790
--- Diff: python/pyspark/sql/functions.py ---
@@ -2289,12 +2289,10 @@ def from_json(col, schema, options={}):
@since(2.1)
def to_json(col, options={}):
"""
- Converts a column containing a :class:`StructType`, :class:`ArrayType`
of
- :class:`StructType`\\s, a :class:`MapType` or :class:`ArrayType` of
:class:`MapType`\\s
+ Converts a column containing a :class:`StructType`, :class:`ArrayType`
or a :class:`MapType`
into a JSON string. Throws an exception, in the case of an unsupported
type.
- :param col: name of column containing the struct, array of the
structs, the map or
- array of the maps.
+ :param col: name of column containing a struct, an array or a map.
:param options: options to control converting. accepts the same
options as the json datasource
--- End diff --
ditto
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