Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3330#discussion_r101447054
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/utils/UserDefinedFunctionUtils.scala
---
@@ -324,4 +325,19 @@ object UserDefinedFunctionUtils {
candidate == classOf[Time] && (expected == classOf[Int] || expected ==
classOf[JInt]) ||
candidate == classOf[Timestamp] && (expected == classOf[Long] ||
expected == classOf[JLong])
+ @throws[Exception]
+ def serialize(function: UserDefinedFunction): String = {
+ val byteArrayOutPut = new ByteArrayOutputStream
+ val objectOutPut = new ObjectOutputStream(byteArrayOutPut)
+ objectOutPut.writeObject(function)
+ objectOutPut.close()
+ Base64.encodeBase64URLSafeString(byteArrayOutPut.toByteArray)
--- End diff --
No. we can not use that method. because:
encodeBase64String will `Encodes binary data using the base64 algorithm
into 76 character blocks separated by CRLF.` Soï¼if the binary data more than
76 character, we'll got `CRLF` which we do not want.
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