Tartarus0zm opened a new pull request, #23448:
URL: https://github.com/apache/flink/pull/23448

   ## What is the purpose of the change
   
   * When atomicity is enabled, an exception may occur when creating a 
DynamicTableSink, and we need to prompt the user to disable atomicity.
   * When we use InMemoryCatalog, RTAS drop table will only delete the 
metadata, not clean up the underlying data files, RTAS write data does not use 
overwrite semantics by default, so it looks like the data is duplicated, this 
problem needs to be clarified in the documentation.
   
   ## Brief change log
   
   * add try-catch 
   * add docs
   
   ## Verifying this change
   
   no
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - 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? (docs)
   


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