[Rd] Possible changes to connections
sfalcon at fhcrc.org
Thu May 31 23:12:26 CEST 2007
One more comment on this thread...
Jeffrey Horner <jeff.horner at vanderbilt.edu> writes:
> Prof Brian Ripley wrote:
>> When I originally implemented connections in R 1.2.0, I followed the model
>> in the 'Green Book' closely. There were a number of features that forced
>> a particular implementation, and one was getConnection() that allows one
>> to recreate a connection object from a number.
>> Another issue is that the current connection objects can be saved and
>> restored but refer to a global table that is session-specific so they lose
>> their meaning (and perhaps gain an unintended one).
>> What I suspect is that very few users are aware of the Green Book
>> description and so we have freedom to make some substantial changes
>> to the implementation. Both issues suggest that connection objects should
>> be based on external pointers (which did not exist way back in 1.2.0).
> Sounds great! I would also like to see the following interface (all or
> in parts) added for working with connections from C. This is an update
> to the patch I created here:
I wanted to voice a "me too" for wanting to see an interface added for
working with connections from C in package code. There are a number
of places where this would be useful and provide cleaner solution than
what is possible today.
The proposed interface looks useful.
Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center
More information about the R-devel