coderfender commented on code in PR #1996:
URL: https://github.com/apache/datafusion-comet/pull/1996#discussion_r2241291653
##########
spark/src/test/scala/org/apache/comet/CometExpressionSuite.scala:
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@@ -113,6 +113,16 @@ class CometExpressionSuite extends CometTestBase with
AdaptiveSparkPlanHelper {
}
}
+ test("Integral Division Overflow Handling Matches Spark Behavior") {
+ withTable("t1") {
+ val value = Long.MinValue
+ sql("create table t1(c1 long, c2 short) using parquet")
+ sql(s"insert into t1 values($value, -1)")
+ val res = sql("select c1 div c2 from t1 order by c1")
+ checkSparkAnswer(res)
Review Comment:
The cast operation to decimal type is falling back to Spark which led me to
make this change given we dont have a comet native cast implementation . Do you
think it is a good idea to implement cast operation in comet and undo the above
changes ?
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