Github user lresende commented on a diff in the pull request:
https://github.com/apache/spark/pull/11623#discussion_r58505416
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DatasetAggregatorSuite.scala ---
@@ -176,4 +186,13 @@ class DatasetAggregatorSuite extends QueryTest with
SharedSQLContext {
typed.avg(_._2), typed.count(_._2), typed.sum(_._2),
typed.sumLong(_._2)),
("a", 2.0, 2L, 4.0, 4L), ("b", 3.0, 1L, 3.0, 3L))
}
+
+ test("SPARK-12555 - result should not be corrupted after input columns
are reordered") {
+ val ds = sql("SELECT 1279869254 AS a, 'Some String' AS b").as[AggData]
+
+ checkDataset(
+ ds.groupByKey(_.a).agg(NameAgg.toColumn),
--- End diff --
@cloud-fan, so, this issue was not caught in 1.6x codebase (which is
existing there), so I don't think adding one test case to avoid regressions in
the future will make any harm.
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