Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/16826#discussion_r100195235
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
---
@@ -213,6 +218,24 @@ class SparkSession private(
new SparkSession(sparkContext, Some(sharedState))
}
+ /**
+ * Start a new session, sharing the underlying `SparkContext` and cached
data.
+ * If inheritSessionState is enabled, then SQL configurations, temporary
tables,
+ * registered functions are copied over from parent `SparkSession`.
+ *
+ * @note Other than the `SparkContext`, all shared state is initialized
lazily.
+ * This method will force the initialization of the shared state to
ensure that parent
+ * and child sessions are set up with the same shared state. If the
underlying catalog
+ * implementation is Hive, this will initialize the metastore, which may
take some time.
+ */
--- End diff --
nit: please add `@Experimental` and `@InterfaceStability.Evolving`
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
