Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/16610#discussion_r103890828
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -99,6 +99,8 @@ object functions {
* The passed in object is returned directly if it is already a
[[Column]].
* If the object is a Scala Symbol, it is converted into a [[Column]]
also.
* Otherwise, a new [[Column]] is created to represent the literal value.
+ * Different from [[lit]], this functions can handle all the types in
Scala,
--- End diff --
`This different between this function and [[lit]] is that this function can
handle parameterized scala types e.g.: List, Seq and Map.`
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