Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/22638#discussion_r222945036
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DatasetCacheSuite.scala ---
@@ -127,16 +127,16 @@ class DatasetCacheSuite extends QueryTest with
SharedSQLContext with TimeLimits
}
test("cache UDF result correctly") {
- val expensiveUDF = udf({x: Int => Thread.sleep(5000); x})
- val df = spark.range(0, 10).toDF("a").withColumn("b",
expensiveUDF($"a"))
+ val expensiveUDF = udf({x: Int => Thread.sleep(2000); x})
--- End diff --
mmh...since we fail after 2 seconds we may pass this even in case it
doesn't work. Shall we put it to 3? or 2500 at least?
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