hvanhovell commented on code in PR #48958:
URL: https://github.com/apache/spark/pull/48958#discussion_r1856993667
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sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala:
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@@ -56,16 +49,13 @@ import org.apache.spark.sql.util.ExecutionListenerManager
* @since 1.0.0
*/
@Stable
-class SQLContext private[sql](val sparkSession: SparkSession)
- extends Logging with Serializable {
+class SQLContext private[sql](sparkSession: SparkSession)
Review Comment:
You need to add a bunch of covariant overrides here. The implementation
should return the classes belong to that implementation and not the interfaces.
The same applies to connect.
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