cloud-fan commented on a change in pull request #27885:
[SPARK-31129][SQL][Tests] Fix IntervalBenchmark and DateTimeBenchmark
URL: https://github.com/apache/spark/pull/27885#discussion_r391438006
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark/DateTimeBenchmark.scala
##########
@@ -114,12 +114,12 @@ object DateTimeBenchmark extends SqlBasedBenchmark {
}
runBenchmark("Parsing") {
val n = 1000000
- val timestampStrExpr = "concat('2019-01-27 11:02:01.', cast(mod(id,
1000) as string))"
+ val timestampStrExpr = "concat('2019-01-27 11:02:01.', rpad(mod(id,
1000), 3, '0'))"
val pattern = "'yyyy-MM-dd HH:mm:ss.SSS'"
Review comment:
one more thought: maybe we should change the pattern string to `yyyy-M-d
H:\m:s.S`, to match the behavior of 2.4
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