Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22295#discussion_r222958780
--- Diff: python/pyspark/sql/session.py ---
@@ -252,6 +255,20 @@ def newSession(self):
"""
return self.__class__(self._sc, self._jsparkSession.newSession())
+ @classmethod
+ @since(2.5)
+ def getActiveSession(cls):
+ """
+ Returns the active SparkSession for the current thread, returned
by the builder.
+ >>> s = SparkSession.getActiveSession()
+ >>> l = [('Alice', 1)]
+ >>> rdd = s.sparkContext.parallelize(l)
+ >>> df = s.createDataFrame(rdd, ['name', 'age'])
+ >>> df.select("age").collect()
+ [Row(age=1)]
+ """
+ return cls._activeSession
--- End diff --
Yup.
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