kasakrisz commented on PR #4272:
URL: https://github.com/apache/hive/pull/4272#issuecomment-1525549613

   @aturoczy 
   I agree. But this one is just 972 lines :) Look at `SemanticAnalyzer`.
   I'm not aware of any ongoing or planned refactor.
   Since one of the inputs of these methods is a query plan writing unit tests 
requires some plan generating logic which gives us the ability to define plans 
in an easily understand way.
   For example 
   * calling the parser and compiler on a test sql
   * or implement utility methods to build a Hive operator tree similar to 
Calcite `RelBuilder`.
   


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