bryanck commented on code in PR #17499:
URL: https://github.com/apache/iceberg/pull/17499#discussion_r3754520658


##########
spark/v4.1/spark-extensions/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveViews.scala:
##########
@@ -45,6 +47,12 @@ case class ResolveViews(spark: SparkSession) extends 
Rule[LogicalPlan] with Look
 
   protected lazy val catalogManager: CatalogManager = 
spark.sessionState.catalogManager
 
+  // Spark's own view schema binding confs, 
SQLConf.VIEW_SCHEMA_BINDING_ENABLED and
+  // VIEW_SCHEMA_COMPENSATION. Referenced by name because they were added in 
Spark 4.0 and this
+  // rule is also compiled against Spark 3.5. Both default to true.
+  private val sparkViewSchemaBindingMode = 
"spark.sql.legacy.viewSchemaBindingMode"
+  private val sparkViewSchemaCompensation = 
"spark.sql.legacy.viewSchemaCompensation"

Review Comment:
   These are available in Spark 4.0 and 4.1, can we remove them here and only 
add them for 3.5?



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