HyukjinKwon commented on a change in pull request #24795: [SPARK-27945][SQL]
Minimal changes to support columnar processing
URL: https://github.com/apache/spark/pull/24795#discussion_r300328361
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File path:
sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala
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@@ -251,6 +286,371 @@ object MyExtensions {
(_: Seq[Expression]) => Literal(5, IntegerType))
}
+case class CloseableColumnBatchIterator(itr: Iterator[ColumnarBatch],
Review comment:
Not a big deal but for my own understanding, why is it `case class`?
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