viirya commented on a change in pull request #29485:
URL: https://github.com/apache/spark/pull/29485#discussion_r477035023
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/RemoveRedundantProjects.scala
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@@ -85,14 +84,19 @@ case class RemoveRedundantProjects(conf: SQLConf) extends
Rule[SparkPlan] {
// to convert the rows to UnsafeRow. See DataSourceV2Strategy for more
details.
case d: DataSourceV2ScanExecBase if !d.supportsColumnar => false
case _ =>
+ def semanticEquals(exprs1: Seq[Expression], exprs2: Seq[Expression]):
Boolean = {
Review comment:
Maybe also a comment here?
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