Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/22581#discussion_r221213500
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -975,7 +975,7 @@ object SQLConf {
"checkpoint location.")
.stringConf
--- End diff --
How about?
```scala
.transform(_.toLowerCase(Locale.ROOT))
.checkValue(
str => Set("min", "max").contains(str)
```
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
