Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/14155#discussion_r75432710 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala --- @@ -264,10 +261,8 @@ case class AlterTableUnsetPropertiesCommand( extends RunnableCommand { override def run(sparkSession: SparkSession): Seq[Row] = { - val ident = if (isView) "VIEW" else "TABLE" val catalog = sparkSession.sessionState.catalog DDLUtils.verifyAlterTableType(catalog, tableName, isView) - DDLUtils.verifyTableProperties(propKeys, s"ALTER $ident") --- End diff -- this is removing a property. If we remove it, it is too late to check in the external catalog.
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