Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11405#discussion_r54339172
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala ---
@@ -115,9 +113,27 @@ class SQLContext private[sql](
}
/**
- * @return Spark SQL configuration
+ * Per-session state, e.g. configuration, functions, temporary tables
etc.
*/
- protected[sql] lazy val conf = new SQLConf
+ @transient
+ protected[sql] lazy val sessionState: SessionState = new
SessionState(self)
+ protected[sql] lazy val conf: SQLConf = sessionState.conf
--- End diff --
Yea def is better - just reducing the number of fields and you also don't
need to make them transients.
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