[Twisted-Python] PATCH: runQuery

Federico Di Gregorio fog at initd.org
Fri Mar 7 03:35:04 EST 2003

Il ven, 2003-03-07 alle 03:27, Clark C. Evans ha scritto:
> On Thu, Mar 06, 2003 at 08:02:07PM -0600, Glyph Lefkowitz wrote:
> | On Thursday, March 6, 2003, at 07:49 PM, Dave Peticolas wrote:
> | >I think you are imposing policy for no reason.
> | 
> | I think that this is a tough call, although I am very slightly inclined 
> | to agree with davep.
> | 
> | Why don't we make committing an optional argument, by default on, which 
> | you can easily turn off if you want a rollback instead?  (At the risk 
> | of making an overbroad generalization: rollback() tends to be more 
> | expensive than commit() most of the time, which is another good reason 
> | to make it the default.)
> Typically one would call rollback() before you put 
> the connection back into the connection pool.  Overall,
> I think there is a lower level design problem with
> the adbapi module.  If you are only running one query
> then there isn't a rpoblem, but if you are executing
> 3 queries, say sequentially, then you don't want
> that rollback.  The adbapi needs to expose 'connection'
> object as a whole, with cursors.   I'll need to fix
> this for myself... so if no one else does, I'll patch.

it does. look at runInteraction and the Transaction object.

Federico Di Gregorio
Debian GNU/Linux Developer                                fog at debian.org
INIT.D Developer                                           fog at initd.org
                   I came like Water, and like Wind I go. -- Omar Khayam
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