viirya commented on a change in pull request #23474: [SPARK-26551][SQL] Fix
schema pruning error when selecting one complex field and having is not null
predicate on another one
URL: https://github.com/apache/spark/pull/23474#discussion_r245546793
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetSchemaPruning.scala
##########
@@ -40,11 +40,19 @@ private[sql] object ParquetSchemaPruning extends
Rule[LogicalPlan] {
plan
}
+ // `PhysicalOperation` pattern returns relation operator's outputs if there
is no
+ // projects on it. In this case, we don't need to do schema pruning.
+ private def directOutput(projects: Seq[NamedExpression], plan: LogicalPlan):
Boolean = {
Review comment:
Since it is actually not related to this fix, if you and others are agreed
to keep it, I can make a small PR for it.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on 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]
