Also nice would be the ability to implement connection types from packages (in much the same way as graphics devices).
On 5/31/07, Seth Falcon <[EMAIL PROTECTED]> wrote: > Hi, > > One more comment on this thread... > > Jeffrey Horner <[EMAIL PROTECTED]> 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: > > > > http://wiki.r-project.org/rwiki/doku.php?id=developers:r_connections_api > > 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 > > -- > Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center > http://bioconductor.org > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Byron Ellis ([EMAIL PROTECTED]) "Oook" -- The Librarian ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
