snuyanzin opened a new pull request, #21519:
URL: https://github.com/apache/flink/pull/21519

   ## What is the purpose of the change
   
   The PR is to upgrade Calcite dependency to 1.29.0
   The main change impacting Flink is 
https://issues.apache.org/jira/browse/CALCITE-4839
   
   About commits
   I tried to organize commits making them atomic in the next way
   
https://github.com/apache/flink/commit/1ee0396b935838e0efa9ba40b97e862af8f40c40 
replaces deprecated `RelBuilder#groupKey` since it was removed in Calcite 
1.29.0 at https://issues.apache.org/jira/browse/CALCITE-4927
   
https://github.com/apache/flink/commit/ed0dcd71d2224beb4884875330293c43f19029d6 
is a result of https://issues.apache.org/jira/browse/CALCITE-4839 The process 
of writing rules in a new way (also could be followed while rewriting) is 
described at 
https://github.com/apache/calcite/blob/013f034dee3e24083760b4695e2eacfbf592c2cb/core/src/main/java/org/apache/calcite/plan/RelRule.java#L36-L114
   
https://github.com/apache/flink/commit/57016cde50a3582c2b5cb703628bbd776403774e 
Sync Calcite's classes with 
https://github.com/apache/calcite/releases/tag/calcite-1.29.0
   
https://github.com/apache/flink/commit/a3bca555b83e3ed00ef7f3951d76d43c0a195ebb 
Update poms and NOTICE files
   
https://github.com/apache/flink/commit/a1347241797ac59a6679abb12380e3efdc301a68 
This is a cherry pick from 
[FLINK-29215](https://issues.apache.org/jira/browse/FLINK-29215) to replace 
deprecated constructors usage for `ConverterRules`.
   
   Similar change for non `ConverterRule`s could be a tricky for scala rules 
since now Calcite uses java code generation and at the same time in Flink scala 
should be compiled first... May be a point to move scala rules to java however 
not for this PR. Luckily current deprecated API is not removed yet from Calcite 
main branch
   
   
   ## Verifying this change
   
   From one side it's partially covered by existing tests
   From another side it would make sense to have multiple end-to-end user tests 
(probably still discussable )
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
     - The serializers: ( no)
     - The runtime per-record code paths (performance sensitive): ( no )
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: ( no)
     - The S3 file system connector: ( no )
   
   ## Documentation
   
     - Does this pull request introduce a new feature? ( no)
     - If yes, how is the feature documented? (not applicable )
   


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