[sqlalchemy] Re: David Bolen on SA and Twisted

2009-10-26 Thread Don Dwiggins
David Bolen wrote: ... nice clear explanation snipped ... > > Basically the granularity of the sharing of the database thread (and > SA's connection to the database) is that of the callable you pass to > the database thread to execute. As long as you implement those > callables so they can r

[sqlalchemy] Re: David Bolen on SA and Twisted

2009-10-23 Thread David Bolen
Don Dwiggins writes: > Hmmm, Could you elaborate a bit about the "self-contained"? I do have > some cases where I fire off a deferredList with several (independent) > queries in it. Might that be problematic? My guess is that your "independent" comment is essentially the same as my "self-co

[sqlalchemy] Re: David Bolen on SA and Twisted

2009-10-22 Thread Don Dwiggins
David, thanks for the quick reply. > Well, the server using it, in a slightly modified version from that > message, remains in production, and has been continuously since July > of 2007. So it's certainly worked for its intended purpose for me - > that is, offloading the SA database I/O to a ded

[sqlalchemy] Re: David Bolen on SA and Twisted

2009-10-22 Thread David Bolen
Don Dwiggins writes: > Doing some exploration on the intersection of Twisted and SA, I came > across a message by David Bolen in February of 2007, describing a > "simple database class that contained a background thread for > execution". I'd like to know if that work, or some successor of it