xinrong-databricks commented on code in PR #36640:
URL: https://github.com/apache/spark/pull/36640#discussion_r879786294
##########
python/pyspark/sql/session.py:
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@@ -611,7 +611,7 @@ def _inferSchema(
:class:`pyspark.sql.types.StructType`
"""
first = rdd.first()
- if not first:
+ if first != 0 and not first:
Review Comment:
When `first` is a nested list with the first element is an empty list,
PySpark diverges from Spark SQL. A follow-up PR will be filed to adjust that.
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