cloud-fan commented on a change in pull request #30403:
URL: https://github.com/apache/spark/pull/30403#discussion_r534671970



##########
File path: 
sql/core/src/main/scala/org/apache/spark/sql/execution/command/cache.scala
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@@ -19,26 +19,27 @@ package org.apache.spark.sql.execution.command
 
 import java.util.Locale
 
-import org.apache.spark.sql.{Dataset, Row, SparkSession}
-import org.apache.spark.sql.catalyst.TableIdentifier
+import org.apache.spark.sql.{AnalysisException, DataFrame, Dataset, Row, 
SparkSession}
 import org.apache.spark.sql.catalyst.plans.QueryPlan
 import org.apache.spark.sql.catalyst.plans.logical.{IgnoreCachedData, 
LogicalPlan}
 import org.apache.spark.sql.catalyst.util.CaseInsensitiveMap
+import 
org.apache.spark.sql.connector.catalog.CatalogV2Implicits.MultipartIdentifierHelper
 import org.apache.spark.storage.StorageLevel
 
 case class CacheTableCommand(

Review comment:
       ah, one solution is to follow `InsertIntoStatement` and do not make the 
`table` as a child. Then we resolve `UnresolvedRelation` inside `CacheTable` 
manually in `ResolveTempViews` and other resolution rules.




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