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https://issues.apache.org/jira/browse/FLINK-17383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17130507#comment-17130507
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Timo Walther commented on FLINK-17383:
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[~godfreyhe] would it be too much work to do this already in 1.11? We are
aiming to remove the legacy planner in 1.12 but I think we can remove the
collection execution earlier if it simplifies the code base?
> flink legacy planner should not use CollectionEnvironment any more
> ------------------------------------------------------------------
>
> Key: FLINK-17383
> URL: https://issues.apache.org/jira/browse/FLINK-17383
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Legacy Planner
> Affects Versions: 1.11.0
> Reporter: godfrey he
> Priority: Major
> Fix For: 1.12.0
>
>
> As discussed in
> https://github.com/apache/flink/pull/11794，{{CollectionEnvironment}} is not a
> good practice, as it is not going through all the steps that a regular user
> program would go. We should change the tests to use {{LocalEnvironment}}.
> commit "Introduce CollectionPipelineExecutor for CollectionEnvironment
> ([c983ac9|https://github.com/apache/flink/commit/c983ac9c49b7b58394574efdde4f39e8d33a8582])"
> should also be reverted at that moment.
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