Github user gengliangwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/22965#discussion_r231541613
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/orc/OrcReadBenchmark.scala ---
@@ -266,8 +268,9 @@ object OrcReadBenchmark extends BenchmarkBase with
SQLHelper {
s"SELECT IF(RAND(1) < $fractionOfNulls, NULL, CAST(id as
STRING)) AS c1, " +
s"IF(RAND(2) < $fractionOfNulls, NULL, CAST(id as STRING)) AS
c2 FROM t1"))
--- End diff --
@maropu It is trivial, but why it is RAND(2) here
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