Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6779#discussion_r32316192
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1335,6 +1336,24 @@ object functions {
def toRadians(columnName: String): Column = toRadians(Column(columnName))
//////////////////////////////////////////////////////////////////////////////////////////////
+ // Misc functions
+
//////////////////////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * Calculates the MD5 digest and returns the value as a 32 character hex
string.
--- End diff --
Sorry, I've set a bad example in `strlen`, we'd better insert an empty line
after the doc and right before the `@ group`
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