This is thread safe for mysql.
You can put the connection in each thread,and use it.
like

def get_connection():
   if not hasattr(get_publish(),'mysql_connection'):
       t=get_publish()
       t.mysql_connection=......


2006/1/19, Lee McAllister :
> We've had a similar problem using MySQL 4 due to exceeding the max_packet
> size for a result set.  I have not experienced a timeout or MySQL server
> restart causing this issue yet though.  In our case simply increasing the
> MySQL servers max_packet size setting resolved our issue.  This can be done
> either in the MySQL server's configuration or using a query to the server on
> a priviledged account.  The query would be something like:
>
>     db.query('SET GLOBAL max_allowed_packet=%s' % maxpacket)
>
> Hope that helps,
>
> Lee McAllister, Developer
> www.mcomi.com | vc 250.380.2006 | fx 250.380.2008
>
>
>
>
> >-----Original Message-----
> >From: quixote-users-bounces@mems-exchange.org
> >[mailto:quixote-users-bounces@mems-exchange.org] On Behalf Of Mike Orr
> >Sent: Tuesday, January 17, 2006 1:40 PM
> >To: quixote-users@mems-exchange.org
> >Subject: [Quixote-users] MySQL server has gone away
> >
> >I moved my Quixote applications to a new Linux server and upgraded to
> >MySQL 5, and suddenly now things hang up sometimes with 'MySQL server
> >has gone away' exceptions.  The MySQL manual suggests several possible
> >reasons (timeout on client thread, large query size/result size, MySQL
> >server restarting itself), but I was wondering whether anyone else is
> >getting this in a Quixote context, especially with session2.  Using
> >Quixote 2.4, scgi 1.9, session2 0.6, Apache 2.0.54, MySQL 5.0.16,
> >Linux Gentoo 2005.1.
> >
> >The MySQL server is responding fine; I just have to restart the
> >Quixote application.  But MySQL shows three idle connections from
> >Quixote sleeping.  Is something in Quixote or session2 using
> >persistent connections?
> >
> >--
> >Mike Orr 
> >(mso@oz.net address is semi-reliable)
> >_______________________________________________
> >Quixote-users mailing list
> >Quixote-users@mems-exchange.org
> >http://mail.mems-exchange.org/mailman/listinfo/quixote-users
> >
> >
>
> _______________________________________________
> Quixote-users mailing list
> Quixote-users@mems-exchange.org
> http://mail.mems-exchange.org/mailman/listinfo/quixote-users
>


--
my gmail:lihuimail(at)gmail.com
WukooPy:
http://wiki.woodpecker.org.cn/moin/WukooPy
http://groups-beta.google.com/group/python-wukoopy