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https://issues.apache.org/jira/browse/FLINK-5776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885917#comment-15885917
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ASF GitHub Bot commented on FLINK-5776:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3418#discussion_r103206923
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/MapRunner.scala
---
@@ -41,7 +43,13 @@ class MapRunner[IN, OUT](
LOG.debug(s"Compiling MapFunction: $name \n\n Code:\n$code")
val clazz = compile(getRuntimeContext.getUserCodeClassLoader, name,
code)
LOG.debug("Instantiating MapFunction.")
- function = clazz.newInstance()
+ if (null == parameterValues || null == parameterTypes) {
--- End diff --
Same as `FlatMapRunner`
> Improve XXMapRunner support create instance by carrying constructor parameters
> ------------------------------------------------------------------------------
>
> Key: FLINK-5776
> URL: https://issues.apache.org/jira/browse/FLINK-5776
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: sunjincheng
> Assignee: sunjincheng
>
> At present, MapRunner FlatMapRunner only supports create non-parameter
> instance, but sometimes we need to carry constructor parameters to
> instantiate, so I would like to improve XXMapRunner support create instance
> by carrying constructor parameters.
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