HyukjinKwon commented on a change in pull request #35488:
URL: https://github.com/apache/spark/pull/35488#discussion_r804497038
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File path: python/pyspark/pandas/utils.py
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@@ -467,11 +467,16 @@ def is_testing() -> bool:
def default_session() -> SparkSession:
spark = SparkSession.getActiveSession()
- if spark is not None:
- return spark
+ if spark is None:
+ spark = SparkSession.builder.appName("pandas-on-Spark").getOrCreate()
+
+ if spark.conf.get("spark.sql.ansi.enabled"):
+ log_advice(
+ "The config 'spark.sql.ansi.enabled' is set to True. This can
cause the unexpected behavior "
+ "from pandas API on Spark since pandas API on Spark follows the
behavior of pandas, not SQL."
Review comment:
@itholic can you fix the linter failure?
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