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https://issues.apache.org/jira/browse/FLINK-35905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17869845#comment-17869845
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xuyang commented on FLINK-35905:
--------------------------------

Yes, [~au_miner] you're right, currently Flink has not supported a plugin 
system for custom operators and rules. It is only a future plan... For more 
details, you can refer to the comments in 
[{{{}org.apache.flink.table.module.Module{}}}{_}{{}}{_}|https://github.com/apache/flink/blob/82b628d4730eef32b2f7a022e3b73cb18f950e6e/flink-table/flink-table-common/src/main/java/org/apache/flink/table/module/Module.java#L31]
 and 
[FLIP-68|https://cwiki.apache.org/confluence/display/FLINK/FLIP-68%3A+Extend+Core+Table+System+with+Pluggable+Modules].
 

> Flink physical operator replacement support
> -------------------------------------------
>
>                 Key: FLINK-35905
>                 URL: https://issues.apache.org/jira/browse/FLINK-35905
>             Project: Flink
>          Issue Type: Bug
>          Components: API / Scala, Table SQL / API
>    Affects Versions: 1.15.0
>         Environment: Flink1.15 and so on
>            Reporter: Wang Qilong
>            Priority: Major
>
> Does Flinksql provide some SPI implementations that support custom physical 
> operators, such as customizing a new StreamExecFileSourceScan and supporting 
> rule injection for converting logical operators to physical operators



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