Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21228#discussion_r185784205
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala
---
@@ -94,9 +94,10 @@ object Rand {
}
/** Generate a random column with i.i.d. values drawn from the standard
normal distribution. */
-// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_([seed]) - Returns a random value with independent and
identically distributed (i.i.d.) values drawn from the standard normal
distribution.",
+ usage = "_FUNC_([seed]) - Returns a random value with independent and
identically distributed" +
+ " (i.i.d.) values drawn from the standard normal distribution." +
+ " The function is non-deterministic",
--- End diff --
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