[Flask] Add, Change and Delete Models during runtime with flask-sqlalchemy and flask-migrate

[Patrick Rieser]

Hello everybody,
 
so I try to add, change and delete Models during runtime with 
flask-sqlalchemy and flask-migrate . To do that I plan to write/change/delete 
the mymodel.py file, create the migration script and then do the migration. So 
far so good. The problem is that I don't know what internally happens in Flask 
and flask-sqlalchemy. I guess that there is at least some internal caching/dict 
to store additional information (like class names, fields etc.) that should be 
added/changed/cleared accordingly. Does anybody have any clue about this? Any 
help is greatly appreciated!
 
 
With kind regards,
Patrick 		 	   		  
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