[GitHub] [flink] hequn8128 opened a new pull request #8192: [FLINK-12217][table] OperationTreeBuilder.map() should perform ExpressionResolver.resolve()

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

hequn8128 opened a new pull request #8192: [FLINK-12217][table] OperationTreeBuilder.map() should perform ExpressionResolver.resolve()
URL: https://github.com/apache/flink/pull/8192
 
 
   
   ## What is the purpose of the change
   
   This pull request fixes the problem for OperationTreeBuilder.map(). In OperationTreeBuilder.map(), we should resolve all LookupCallExpression for the case of java, otherwise, exceptions will be thrown.
   
   ## Brief change log
   
     - Add resolver logic for OperationTreeBuilder.map().
     - Add test.
   
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
     - Added tests to cover the case of java in CalcStringExpressionTest.testMap().
    
   ## 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, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
   

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