potiuk commented on code in PR #29044:
URL: https://github.com/apache/airflow/pull/29044#discussion_r1082740254


##########
airflow/providers/common/sql/hooks/sql.py:
##########
@@ -169,6 +169,33 @@ def get_uri(self) -> str:
         conn.schema = self.__schema or conn.schema
         return conn.get_uri()
 
+    def resolve_rds_cname(self, hostname):

Review Comment:
   Why: because when/if we split providers, having an AWS-specific code in 
common code is no-go. All the code should ne in the provider. If we leave the 
code in common code that means that the AWS service is privilledged and can do 
more than other services that have their providers implemented in the community 
or outside. It would mean that you cannot implement something similar for GCP, 
Azure or Digital Ocean without modifying Airlfow core or common.sql.
   
   And this means that anyone writing their own provider is impaired and 
limited. This is not what we promised when we say people "it does not matter 
whether you implement your own provider, or you are part of the core". 
   
   We are not yet there - of course - but I hope we will one day. And adding 
more things to unentangle when we do is not an option for me,



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