morningman commented on PR #20064:
URL: https://github.com/apache/doris/pull/20064#issuecomment-1565517379

   The name `return_load_in_sink` is related to internal implementation, not 
suitable for a user-oriented config' name.
   
   There are 2 issues you want to solve in #19259
   
   1. Test load performance
       I think it is better to use a session variable or load properties for 
this case. You can see there a session variable `dry_run_query`, when set to 
true, it will run the query without return the result. It resolve the similar 
issue as you want to resolve.
   
   2. For materialized view.
       This is indeed a table property. I suggest to think about new property 
name instead of exposing the internal implements.
       Eg: `"storage_policy" = "no_storage"`. (There is already a 
"storage_policy" used for cold-hot data separation, maybe we can expend it)
   
   All in all, my opinion is that the 2 things you want to resolve are 2 
different cases. Better design it carefully to avoid adding confusing 
properties.
   
   
   


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