andygrove commented on code in PR #3541:
URL: https://github.com/apache/datafusion-comet/pull/3541#discussion_r2822926260
##########
spark/src/test/scala/org/apache/spark/sql/CometTestBase.scala:
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@@ -332,6 +332,38 @@ abstract class CometTestBase
}
}
+// inspired from spark-testing-base
+ protected def assertDataFrameEquals(
Review Comment:
Another option to look at:
```
scala> spark.sql("select a, cast(cast(a as timestamp) as string) from
t1").collect()
res3: Array[org.apache.spark.sql.Row] = Array([1,1969-12-31 17:00:01],
[10324234242,2297-02-28 03:50:42], [234234234234,9392-08-02 03:03:54],
[-9223372036854775808,-290308-12-21 12:59:09.224192])
```
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