Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21228#discussion_r185783395
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala
---
@@ -115,15 +115,15 @@ case class CurrentDatabase() extends LeafExpression
with Unevaluable {
override def prettyName: String = "current_database"
}
-// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_() - Returns an universally unique identifier (UUID)
string. The value is returned as a canonical UUID 36-character string.",
+ usage = "_FUNC_() - Returns an universally unique identifier (UUID)
string." +
+ " The value is returned as a canonical UUID 36-character string." +
+ " The function is non-deterministic.",
--- End diff --
I'd use
```
note = """
blabla
"""
```
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