dongjoon-hyun commented on a change in pull request #23628:
[SPARK-26702][SQL][TEST] Create a test trait for Parquet and Orc test
URL: https://github.com/apache/spark/pull/23628#discussion_r251703803
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetTest.scala
##########
@@ -31,8 +31,8 @@ import org.apache.parquet.hadoop.metadata.{BlockMetaData,
FileMetaData, ParquetM
import org.apache.parquet.schema.MessageType
import org.apache.spark.sql.{DataFrame, SaveMode}
Review comment:
Shall we remove the unused `SaveMode`?
```scala
-import org.apache.spark.sql.{DataFrame, SaveMode}
+import org.apache.spark.sql.DataFrame
```
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