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https://issues.apache.org/jira/browse/FLINK-30637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17675577#comment-17675577
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Xin Chen commented on FLINK-30637:
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[~martijnvisser] Thank you for your reply. Maybe I can have a try in Flink
1.16, but the same part of Pyflink‘s source code has not changed yet in Flink
1.16. And I'll provide a detailed description of the problem and suggested
solutions to this section later. [~hxbks2ks] also knows the problem because I
have consulted him earlier.
> In linux-aarch64 environment, using “is” judgment to match the window type of
> overwindow have returned incorrect matching results
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-30637
> URL: https://issues.apache.org/jira/browse/FLINK-30637
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Affects Versions: 1.13.6
> Environment: Linux version 5.10.0-60.18.0.50.oe2203.aarch64
> (abuild@obs-worker-002) (gcc_old (GCC) 10.3.1, GNU ld (GNU Binutils) 2.37) #1
> SMP Wed Mar 30 02:43:08 UTC 2022
>
> pyflink-version：1.13.6
> Reporter: Xin Chen
> Priority: Major
> Labels: pull-request-available
>
> In linux-arch64 environment, “window_type is
> OverWindow.ROW_UNBOUNDED_FOLLOWING” in in the
> PandasBatchOverWindowAggregateFunctionOperation class of the pyflink source
> code has returned the wrong result.
>
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