[GitHub] [doris] lexluo09 opened a new pull request, #17964: [enhancement](UDF) The user defined functions support global ('show functions'/'show create') operation

[via GitHub]

lexluo09 opened a new pull request, #17964:
URL: https://github.com/apache/doris/pull/17964

   # Proposed changes
   
   The global udf support ('show functions'/'show create') operation, to show 
the details of the global udf.
   
   
   ## Problem summary
   
   Solution
   1、 add the global keyword.
   
   SHOW [GLOBAL] [FULL] [BUILTIN] FUNCTIONS [IN|FROM db] [LIKE 
'function_pattern']
   
   SHOW CREATE GLOBAL FUNCTION function_name(arg_type [, ...]) [FROM db_name]];
   
   
   2、show the details of the  global udf.
   
   
   
![image](https://user-images.githubusercontent.com/39718951/226307238-20d14a3b-aa84-437c-87a6-a8346580d199.png)
   
   
![image](https://user-images.githubusercontent.com/39718951/226307266-d13c091b-7740-4035-b9fb-b25daf5671e1.png)
   
   
   
   ## Checklist(Required)
   
   * [x] Does it affect the original behavior
   * [√ ] Has unit tests been added
   * [√] Has document been added or modified
   * [x ] Does it need to update dependencies
   * [√] Is this PR support rollback (If NO, please explain WHY)
   
   ## Further comments
   
   
   


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