Radeity commented on issue #12873:
URL: 
https://github.com/apache/dolphinscheduler/issues/12873#issuecomment-1325282473

   > hi @Radeity because many task may use the same environment, so DS add 
`t_ds_environment` to manage. So u mean that we should add a environment string 
column in task_instance? But I think the environemt field is only useful for 
some tasks that use bash, not all task types, so I think the environemt field 
does not belong to the taskInstance, but should be a custom parameter of the 
task plugins. So we should abstract task custom parameter to a other db table 
to inrease query performance. WDYT.
   
   Hi, @DarkAssassinator. I just find out i misunderstand in the first comment, 
so correct myself in the second comment, which i mean is saving field `config` 
as String is reasonable in DS. Actually i have no doubts about the current 
implementation and agree with your idea, thanks for your reply!


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