[GitHub] twalthr opened a new pull request #7777: [FLINK-9964][table] Add a full RFC-compliant CSV table format factory

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

twalthr opened a new pull request #7777:  [FLINK-9964][table] Add a full RFC-compliant CSV table format factory
URL: https://github.com/apache/flink/pull/7777
 
 
   ## What is the purpose of the change
   
   This PR adds a RFC-4180 standard compliant CSV table format. 
   
   ## Brief change log
   
   It adds:
   
   - `CsvRowSerializationSchema`
   - `CsvRowDeserializationSchema`
   - A new `CSV` descriptor
   - `CsvRowTableFormatFactory`
   - documentation and tests
   
   This PR further improves #6541 to make the CSV format robust and configurable enough to serve most use cases. It integrates nicely with most SQL types.
   
   It deprecates the "old CSV" descriptor stack and prepares also for FLINK-7050 (#4660).
   
   The old CSV descriptor is still available under as "OldCsv".
   
   ## Verifying this change
   
   Tests are added for descriptor, factory, and de/serialization schema.
   
   ## 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)`: 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? docs
   

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