xinrong-meng commented on code in PR #37777:
URL: https://github.com/apache/spark/pull/37777#discussion_r962025957
##########
python/pyspark/sql/utils.py:
##########
@@ -303,3 +304,31 @@ def is_timestamp_ntz_preferred() -> bool:
"""
jvm = SparkContext._jvm
return jvm is not None and jvm.PythonSQLUtils.isTimestampNTZPreferred()
+
+
+@contextmanager
+def sql_conf(pairs: Dict[str, Any], *, spark: Optional["SparkSession"] = None)
-> Iterator[None]:
+ """
+ A convenient context manager to set `value` to the Spark SQL configuration
`key` and
+ then restores it back when it exits.
+ """
+ from pyspark.sql.session import SparkSession
+
+ assert isinstance(pairs, dict), "pairs should be a dictionary."
Review Comment:
I was thinking changing the AssertionError to ValueError. However, I decide
to remain the AssertionError to avoid user-facing change for
`pyspark.pandas.utils.sql_conf`.
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