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https://issues.apache.org/jira/browse/FLINK-5795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869191#comment-15869191
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ASF GitHub Bot commented on FLINK-5795:
---------------------------------------
Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/3330#discussion_r101445690
--- 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
--- End diff --
You can get the serialized byte array of an object by
`InstantiationUtil.serializeObject`.
> Improve “UDTF" to support constructor with parameter.
> -----------------------------------------------------
>
> Key: FLINK-5795
> URL: https://issues.apache.org/jira/browse/FLINK-5795
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: sunjincheng
> Assignee: sunjincheng
>
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