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https://issues.apache.org/jira/browse/FLINK-9850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16581007#comment-16581007
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ASF GitHub Bot commented on FLINK-9850:
---------------------------------------
zentol commented on a change in pull request #6367: [FLINK-9850] Add a string
to the print method to identify output for DataStream
URL: https://github.com/apache/flink/pull/6367#discussion_r210251882
##########
File path:
flink-libraries/flink-streaming-python/src/main/java/org/apache/flink/streaming/python/api/datastream/PythonDataStream.java
##########
@@ -144,6 +144,14 @@ public void output() {
stream.print();
}
+ /**
+ * A thin wrapper layer over {@link DataStream#print(String)}.
+ */
+ @PublicEvolving
+ public void output(String sinkIdentifier) {
+ stream.print(sinkIdentifier);
Review comment:
this is not tested
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> Add a string to the print method to identify output for DataStream
> ------------------------------------------------------------------
>
> Key: FLINK-9850
> URL: https://issues.apache.org/jira/browse/FLINK-9850
> Project: Flink
> Issue Type: New Feature
> Components: DataStream API
> Reporter: Hequn Cheng
> Assignee: vinoyang
> Priority: Major
> Labels: pull-request-available
>
> The output of the print method of {[DataSet}} allows the user to supply a
> String to identify the output(see
> [FLINK-1486|https://issues.apache.org/jira/browse/FLINK-1486]). But
> {[DataStream}} doesn't support now. It is valuable to add this feature for
> {{DataStream}}
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