[Twisted-Python] long-lived database transaction
dave at krondo.com
Sun Dec 14 11:48:29 EST 2003
On Sat, 2003-12-13 at 13:50, Federico Di Gregorio wrote:
> Il sab, 2003-12-13 alle 21:55, Christopher Armstrong ha scritto:
> > Federico Di Gregorio wrote:
> > > Hi *,
> > >
> > > attached to this mail there are two files that implement long-lived
> > > database transactions for twisted (xdbapi.py, to be dropped in
> > > twisted.enterprise) and the necessary unit tests (test_xdbapi.py).
> > This looks like a gigantic rape'n'paste of adbapi.py. Isn't there a way
> > you can integrate with/refactor adbapi such that you don't duplicate all
> > that code?
> the original code was very different from adbapi, but i wanted to
> provide a similar interface. that's why i rape'n'pasted. :)
> unfortunately the adbapi code is based on a *thread* pool and the
> connection pool is just a side-effect of using one connection per thread
> (this is completely wrong, imho, see my comments of about one year ago
> about adbapi on this very list.) anyway, this obviously makes impossible
> to have long-lived transactions.
Evidently not impossible, as Bill Gribble has a patch adding
this support to the existing adbapi.py. But it still may be
simpler to support an extended transaction api by going away
from a thread pool. In either case, we should not have two
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