Github user dilipbiswal commented on a diff in the pull request:
https://github.com/apache/spark/pull/16493#discussion_r95050805
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/CacheManager.scala ---
@@ -131,6 +132,12 @@ class CacheManager extends Logging {
/** Replaces segments of the given logical plan with cached versions
where possible. */
def useCachedData(plan: LogicalPlan): LogicalPlan = {
+ useCachedDataInternal(plan) transformAllExpressions {
+ case s: SubqueryExpression => s.withNewPlan(useCachedData(s.plan))
+ }
+ }
+
+ private def useCachedDataInternal(plan: LogicalPlan): LogicalPlan = {
--- End diff --
@gatorsmile Sure
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