HyukjinKwon commented on code in PR #38285:
URL: https://github.com/apache/spark/pull/38285#discussion_r998901339
##########
python/pyspark/sql/types.py:
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@@ -653,8 +653,8 @@ def fromJson(cls, json: Dict[str, Any]) -> "StructField":
return StructField(
json["name"],
_parse_datatype_json_value(json["type"]),
- json["nullable"],
- json["metadata"],
+ json.get("nullable", True),
+ json.get("metadata"),
Review Comment:
When is this not set? This JSON ser/de is an internal format and not meant
to be used by end users directly.
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