Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/6721#discussion_r32651940
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -882,6 +882,24 @@ object functions {
def atan2(l: Double, rightName: String): Column = atan2(l,
Column(rightName))
/**
+ * An expression that returns the string representation of the binary
value of the given long
+ * column. For example, bin("12") returns "1100".
+ *
+ * @group math_funcs
+ * @since 1.4.0
+ */
+ def bin(e: Column): Column = Bin(e.expr)
+
+ /**
+ * An expression that returns the string representation of the binary
value of the given long
+ * column. For example, bin("12") returns "1100".
+ *
+ * @group math_funcs
+ * @since 1.4.0
--- End diff --
This should be 1.5.0
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