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Subject [GitHub] [flink] hequn8128 opened a new pull request #8345: [FLINK-12402][table] Make validation error message for CallExpression more user friendly
Date Sun, 05 May 2019 09:36:30 GMT
hequn8128 opened a new pull request #8345: [FLINK-12402][table] Make validation error message
for CallExpression more user friendly
URL: https://github.com/apache/flink/pull/8345
 
 
   
   ## What is the purpose of the change
   
   This pull request makes the validation error message more user friendly. The previous error
message for CallExpression validation may not display the root cause which may confuse our
users. See more details in the [jira](https://issues.apache.org/jira/browse/FLINK-12402).
   
   ## Brief change log
   
     - Display the truth validation error message.
     - Adjust test cases.
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
     - Add `testInvalidParameterTypes` in `CalcValidationTest` to test the validation error
message.
   
   ## 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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