[GitHub] [flink] ambition119 opened a new pull request #8387: [FLINK-11982] BatchTableSourceFactory support Json File

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ambition119 opened a new pull request #8387: [FLINK-11982] BatchTableSourceFactory support Json File
URL: https://github.com/apache/flink/pull/8387
 
 
   ## What is the purpose of the change
   
   fix [ISSUE #11982](https://issues.apache.org/jira/browse/FLINK-11982) 
   
   ## Brief change log
   
   -  [flink-connector-json] module to support File System Connector's JSON Format.
   -  JsonBatchTableSourceFactory is a BatchTableSourceFactory
   -  JsonBatchTableSource is a BatchTableSource
   
   ## Verifying this change
   
   Unit tests for add java class.
   
   *(example:)*
   ```java
   FileSystem connector = new FileSystem().path(path);
   tEnv.connect(connector)
         .withFormat(new Json().failOnMissingField(true).deriveSchema())
        .withSchema(new Schema().field(fieldName, Types.STRING()))
        .registerTableSource("jsonTable");
   
   String fullSql = "select * FROM jsonTable";
   Table fullTable = tEnv.sqlQuery(fullSql);
   ``` 
   
   ## 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: (**yes**)
     - 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? (example)
   

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