dongjoon-hyun commented on a change in pull request #24221: [SPARK-27248][SQL]
refresh table should recreate cache with same cache name and storage level
URL: https://github.com/apache/spark/pull/24221#discussion_r280988962
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/CachedTableSuite.scala
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@@ -33,7 +33,9 @@ import
org.apache.spark.sql.execution.exchange.ShuffleExchangeExec
import org.apache.spark.sql.functions._
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.test.{SharedSQLContext, SQLTestUtils}
+import org.apache.spark.sql.types.{StringType, StructField, StructType}
import org.apache.spark.storage.{RDDBlockId, StorageLevel}
+import org.apache.spark.storage.StorageLevel.{apply => _, _}
Review comment:
Sorry for nit-picking. But, it seems that we only use two memory levels here.
```scala
-import org.apache.spark.storage.StorageLevel.{apply => _, _}
+import org.apache.spark.storage.StorageLevel.{MEMORY_AND_DISK_2,
MEMORY_ONLY}
```
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