Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/17192#discussion_r105566685
--- Diff: python/pyspark/sql/functions.py ---
@@ -1802,10 +1802,10 @@ def from_json(col, schema, options={}):
@since(2.1)
def to_json(col, options={}):
"""
- Converts a column containing a [[StructType]] into a JSON string.
Throws an exception,
- in the case of an unsupported type.
+ Converts a column containing a [[StructType]] or [[ArrayType]] into a
JSON string.
+ Throws an exception, in the case of an unsupported type.
--- End diff --
nit: for python and scala here the doc wording can be confusing - it
doesn't actually throw an exception right there, by itself with `to_json()`,
but it might when it's trying to resolve the column, like with
`select(to_json...)`
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
