Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/7709#discussion_r35987129
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1718,6 +1718,18 @@ object functions {
def ascii(e: Column): Column = Ascii(e.expr)
/**
+ * Translate any character in the srcString by a character in
replaceString.
+ * The characters in replaceString is corresponding to the characters in
matchingString.
+ * The translate will happen when any character in the string matching
with the character
+ * in the matchingString.
+ *
+ * @group string_funcs
+ * @since 1.5.0
+ */
+ def translate(srcString: Column, matchingString: Column, replaceString:
Column): Column =
--- End diff --
Should we use String for matching and replace, instead of Column?
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