Github user juliuszsompolski commented on a diff in the pull request: https://github.com/apache/spark/pull/21133#discussion_r184662359 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/ApproximatePercentileQuerySuite.scala --- @@ -279,4 +282,11 @@ class ApproximatePercentileQuerySuite extends QueryTest with SharedSQLContext { checkAnswer(query, expected) } } + + test("SPARK-24013: unneeded compress can cause performance issues with sorted input") { + failAfter(30 seconds) { + checkAnswer(sql("select approx_percentile(id, array(0.1)) from range(10000000)"), + Row(Array(999160))) --- End diff -- Ok. Yeah, looking at the other tests in this suite it's definitely fine :-).
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org