dongjoon-hyun commented on a change in pull request #28761:
URL: https://github.com/apache/spark/pull/28761#discussion_r466611708
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/orc/OrcTest.scala
##########
@@ -143,4 +143,26 @@ abstract class OrcTest extends QueryTest with
FileBasedDataSourceTest with Befor
FileUtils.copyURLToFile(url, file)
spark.read.orc(file.getAbsolutePath)
}
+
+ /**
+ * Takes a sequence of products `data` to generate multi-level nested
+ * dataframes as new test data. It tests both non-nested and nested
dataframes
+ * which are written and read back with Orc datasource.
+ *
+ * This is different from [[OrcTest.withOrcDataFrame]] which does not
Review comment:
Do we need `OrcTest.` prefix?
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