Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/16610#discussion_r100360526
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -102,6 +102,27 @@ object functions {
Column(literalExpr)
}
+ /**
+ * Creates a [[Column]] of literal value.
+ *
+ * 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.
+ *
+ * @group normal_funcs
+ * @since 2.2.0
+ */
+ def lit2[T : TypeTag](literal: T): Column = {
--- End diff --
Do you think there is a way we can actually avoid this?
If we must why not name it `typedLit`?
cc @cloud-fan
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