MaxGekk commented on code in PR #42801:
URL: https://github.com/apache/spark/pull/42801#discussion_r1315744531
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/functions.scala:
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@@ -4284,12 +4285,22 @@ object functions {
* prints '+' for positive values but 'MI' prints a space.</li> <li>'PR':
Only allowed at the
* end of the format string; specifies that the result string will be
wrapped by angle
* brackets if the input value is negative.</li> </ul>
+ * If `e` is a datetime, `format` shall be a valid datetime pattern, see
+ * <a
href="https://spark.apache.org/docs/latest/sql-ref-datetime-pattern.html";>Datetime
Patterns</a>.
+ * If `e` is a binary, it is converted to a string in one of the formats:
+ * <ul>
+ * <li>'base64': a base 64 string.</li>
+ * <li>'hex': a string in the hexadecimal format.</li>
+ * <li>'utf-8': the input binary is decoded to UTF-8 string.</li>
+ * </ul>
Review Comment:
Thank you, @dongjoon-hyun
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