[GitHub] lhyundeadsoul commented on issue #6930: How to configure a datasource Extra parameter?

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lhyundeadsoul commented on issue #6930: How to configure a datasource Extra parameter?
URL: https://github.com/apache/incubator-superset/issues/6930#issuecomment-466862250
 
 
   > Please try wrap arguments by "connect_args"
   > 
   > ```
   > "engine_params": {"connect_args": {"pool_size": 10: "max_overflow": 20}}
   > ```
   > reference from
   > https://docs.sqlalchemy.org/en/latest/core/engines.html?highlight=create_engine#sqlalchemy.create_engine
   
   Thanks for help!
   
   But i got a following error 
   >(psycopg2.ProgrammingError) invalid dsn: invalid connection option "pool_size" (Background on this error at: http://sqlalche.me/e/f405)
   
   I have checked the doc out, and i supposed that the "pool_size" and "connect_args" might be in one level ,rather than "pool_size" is underlying the "connect_args"
   
   thank you any way 

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