coderfender commented on code in PR #3559:
URL: https://github.com/apache/datafusion-comet/pull/3559#discussion_r2836509473
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spark/src/test/scala/org/apache/spark/sql/CometTestBase.scala:
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@@ -1276,4 +1276,40 @@ abstract class CometTestBase
!usingLegacyNativeCometScan(conf) &&
CometConf.COMET_PARQUET_UNSIGNED_SMALL_INT_CHECK.get(conf)
}
+
+ /**
+ * Uses except (difference) to find differences without using collect()
+ * Checks cometDF and sparkDF including schemas
+ */
+ protected def assertDataFrameEquals(
Review Comment:
In my recent [PR](https://github.com/apache/datafusion-comet/pull/3541) , I
had to cast back the generated I had to resort to this route because we have no
native comet support from Timestamp -> Float causing operator / native comet
check assertion failures
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