nastra commented on code in PR #9510:
URL: https://github.com/apache/iceberg/pull/9510#discussion_r1473932334


##########
spark/v3.5/spark-extensions/src/main/scala/org/apache/spark/sql/catalyst/analysis/RewriteViewCommands.scala:
##########
@@ -60,6 +62,9 @@ case class RewriteViewCommands(spark: SparkSession) extends 
Rule[LogicalPlan] wi
         properties = properties,
         allowExisting = allowExisting,
         replace = replace)
+
+    case AlterViewAs(ResolvedV2View(_, _), _, _) =>
+      throw new AnalysisException("ALTER VIEW <viewName> AS is not supported. 
Use CREATE OR REPLACE VIEW instead")

Review Comment:
   I threw the error here mainly because when we supported `AlterViewAs`, most 
of the things had to happen in `RewriteViewCommands` but I've moved this now to 
`CheckViews`



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