[GitHub] [flink] bowenli86 opened a new pull request #8365: [FLINK-12417][table] Unify ReadableCatalog and ReadableWritableCatalog interfaces to Catalog interface

[GitBox <gi...@apache.org>]

bowenli86 opened a new pull request #8365: [FLINK-12417][table] Unify ReadableCatalog and ReadableWritableCatalog interfaces to Catalog interface
URL: https://github.com/apache/flink/pull/8365
 
 
   ## What is the purpose of the change
   
   This PR unifies `ReadableCatalog` and `ReadableWritableCatalog` interfaces to `Catalog` interface to simplify the architecture and management of catalogs.
   
   ## Brief change log
   
     - Created a new interface `Catalog` that contains exactly the same APIs from `ReadableCatalog` and `ReadableWritableCatalog`
     - Removed `ReadableCatalog` and `ReadableWritableCatalog`
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   ## 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)`: (yes)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes)
     - If yes, how is the feature documented? (JavaDocs)
   

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