Hello, all. I want to execute an sql with temp variables in sqlalchemy just 
like in mysql.
Here is my sql clause:
set @temp=0;select (@temp:= @temp + 1) as ranking, userid from mytable;
But sqlalchemy tells "This result object does not return rows. "
Who can tell me if I made some mistakes, or this is not supported by 
sqlalchemy yet?
Thank you.

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