hvanhovell commented on a change in pull request #23635: [SPARK-26709][SQL]
OptimizeMetadataOnlyQuery does not handle empty records correctly
URL: https://github.com/apache/spark/pull/23635#discussion_r250561268
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
##########
@@ -2966,6 +2966,17 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test("SPARK-26709: OptimizeMetadataOnlyQuery does not handle empty records
correctly") {
Review comment:
Also add a case that illustrates that `OptimizeMetadataOnlyQuery` can
produce wrong results.
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