Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/7709#discussion_r36106050
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1927,6 +1927,17 @@ object functions {
def substring_index(str: Column, delim: String, count: Int): Column =
SubstringIndex(str.expr, lit(delim).expr, lit(count).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: String, replaceString:
String): Column =
--- End diff --
Using `src` instead `strString` will be better.
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