[GitHub] [spark] HyukjinKwon commented on a diff in pull request #41013: [SPARK-43509][CONNECT] Support Creating multiple Spark Connect sessions

["HyukjinKwon (via GitHub)" <gi...@apache.org>]

HyukjinKwon commented on code in PR #41013:
URL: https://github.com/apache/spark/pull/41013#discussion_r1194654026


##########
python/pyspark/sql/session.py:
##########
@@ -394,6 +394,36 @@ def enableHiveSupport(self) -> "SparkSession.Builder":
             """
             return self.config("spark.sql.catalogImplementation", "hive")
 
+        def create(self) -> "SparkSession":
+            """Creates a new SparkSession. Can only be used in the context of Spark Connect
+            and will throw an exception otherwise.
+
+            .. versionadded:: 3.5.0
+
+            Returns
+            -------
+            :class:`SparkSession`
+            """
+            opts = dict(self._options)
+            if "SPARK_REMOTE" in os.environ or "spark.remote" in opts:
+                from pyspark.sql.connect.session import SparkSession as RemoteSparkSession
+
+                url = opts.get("spark.remote", os.environ.get("SPARK_REMOTE"))

Review Comment:
   ```suggestion
                   url = opts.get("spark.remote", os.environ.get("SPARK_REMOTE", None))
                   if url is None:
                       raise RuntimeError("Spark Connect URL to the server was not found.")
   ```



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