[jira] [Created] (FLINK-39292) Split BuiltInFunctionDefinitions to reduce the lines of code file to avoid reaching code check style limitation

["RocMarshal (Jira)" <ji...@apache.org>]

RocMarshal created FLINK-39292:
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             Summary: Split BuiltInFunctionDefinitions to reduce the lines of code file to avoid reaching code check style limitation
                 Key: FLINK-39292
                 URL: https://issues.apache.org/jira/browse/FLINK-39292
             Project: Flink
          Issue Type: Technical Debt
    Affects Versions: 2.3.0
            Reporter: RocMarshal


Issue & motivation:

after merging [FLINK-38988][table] Support INET_ATON and INET_NTOA functions for IP address conversion. 
Here was a issue: 

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=73460&view=logs&j=52b61abe-a3cc-5bde-cc35-1bbe89bb7df5&t=54421a62-0c80-5aad-3319-094ff69180bb

09:02:23.973 [ERROR] src/main/java/org/apache/flink/table/functions/BuiltInFunctionDefinitions.java:[1] (sizes) FileLength: File length is 3,102 lines (max allowed is 3,100).

The candidate solution:

Split the functions in BuiltInFunctionDefinitions to the new class file, at the same time, we'd guarantee backward compatibility.

For example, the construction logic of built-in functions can be organized into different class files based on their categories, while BuiltInFunctionDefinitions only maintains their references and declarations.
 
 
CC [~twalthr] [~twalthr] [~Jiangang] [~lincoln.86xy] 
 
 





 



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