Hello Everyone

My mysql server wait_timeout is set to 35.
and if i run this code:

# Session s made with autocommit=False
mm=s.query(ss.Machine).get(1)

In [9]:

In [10]: for i in range(1000):
   ....:     sleep(15)
   ....:     print "commiting"
   ....:     s.commit()
   ....:     sleep(25)
   ....:     mm.name=u'new name'
   ....:     print "commiting2"
   ....:     s.commit()

Even though the second sleep is only for 25 seconds, I see an error
while commiting which says
'Mysql server has gone away'

The SQLAlchemy documentation says that a new transaction is begun on a
commit(). If that is the case, I should not see the above error.
Maybe its an issue with commiting w/o any changes to the loaded
instances.

Can anyone throw some light on this.
Any help would be much appreciated.








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