viirya commented on a change in pull request #24637: [SPARK-27707][SQL] Prune
unnecessary nested fields from Generate to address performance issue in explode
URL: https://github.com/apache/spark/pull/24637#discussion_r285429526
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/NestedColumnAliasing.scala
##########
@@ -32,9 +32,7 @@ object NestedColumnAliasing {
def unapply(plan: LogicalPlan)
: Option[(Map[GetStructField, Alias], Map[ExprId, Seq[Alias]])] = plan
match {
- case Project(projectList, child)
- if SQLConf.get.nestedSchemaPruningEnabled &&
canProjectPushThrough(child) =>
- getAliasSubMap(projectList)
+ case Project(projectList, child) => getAliasSubMap(projectList)
Review comment:
I see. If so, I need to make a little change to prevent it. Will change it
later.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
