“set session” in a SQLAlchemy session object

Question

I\'m using SQLAlchemy for a project, and need to be able to specify a session variable/setting for one specific call for performance reasons:

set session max         


        

Answer 1

I finally ended up doing this to get it working:

Session = sessionmaker()
...
session.connection().execute('SET max_heap_table_size = 1024 * 1024 * 64');

The SQLAlchemy event didn't seem to work, but then again, its possible I wasn't doing it exactly right.