GitHub user fkostadinov closed the discussion with a comment: Add "metric" to 
show actual value of column, i.e. no aggregate

I just learned about this limitation today. This becomes an issue if you want 
to integrate Apache Superset with e.g. DBT semantic layer or Cube. The reason 
to use those tools is to guarantee (e.g. for regulatory reasons) the 
calculation of a specific value. Guarantee here is strict: You cannot simply 
change the SQL / aggregation code once defined without a governed sign-off 
process.

This implies that I am forced to calculate those metrics in the underlying 
query layer, and I am not allowed to calculate the aggregations in Apache 
Superset directly. But that Apache Superset does not allow me to - except if I 
compromise and use e.g. a "SUM" or "AVG" function on values, which is not 
exactly the most preferred approach in a regulated environment.

Unfortunately, that's a no-go criterion for me, for the reasons provided. I 
guess, there's really not a lot to be done here, given this violates the 
original architecture of Apache Superset. Which is indeed a bummer. :(

GitHub link: 
https://github.com/apache/superset/discussions/19182#discussioncomment-15479951

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