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https://issues.apache.org/jira/browse/FLINK-13266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885754#comment-16885754
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Jark Wu commented on FLINK-13266:
---------------------------------

Hi [~twalthr], I think it's a good idea. However, the {{flink.table.planner}} 
and {{flink.table.runtime}} have already been used for some purpose. 
{{flink.table.planner}} is used for {{Planner}} relative classes. And 
{{flink.table.runtime}} is used for runtime operators. And we have some other 
packages which maybe not appropriate to put them in {{flink.table.planner}} or 
{{flink.table.runtime}}, for example, {{flink.table.executor}}, 
{{flink.table.catalog}}, {{flink.table.codegen}}.

> Relocate blink planner classes to avoid class clashes
> -----------------------------------------------------
>
>                 Key: FLINK-13266
>                 URL: https://issues.apache.org/jira/browse/FLINK-13266
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Planner
>    Affects Versions: 1.9.0
>            Reporter: Jark Wu
>            Assignee: Jark Wu
>            Priority: Blocker
>             Fix For: 1.9.0
>
>
> We should have a list to relocate classes in {{flink-table-planner-blink}} 
> and {{flink-table-runtime-blink}} to avoid class clashes to make both 
> planners available in a lib directory.
> Note that, not all the classes can/should be relocated. For examples: calcite 
> classes, {{PlannerExpressionParserImpl}} and so on. 
> The relocation package name is up to discussion. A dedicated path is 
> {{org.apache.flink.table.blink}}.



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