[R] R MySQL Configuration

David James daj025 at gmail.com
Thu Jul 19 03:53:16 CEST 2007


You may specify a different "default.file" in the dbConnect() call
to point to a non-default configuration file;  dbConnect() simply passes this
filename to the MySQL API, which does the appropriate thing (in particular
you may want to double check the MySQL documentation regarding
using this under Windows).

For full details on the arguments to the dbConnect method try


Hope this helps,


On 7/18/07, Mark Bulkeley <markbulk at gmail.com> wrote:
> Quick question about the configuration files  relative to RMySQL (I've
> tried to get feedback directly from the author David James, but his
> email address was non-responsive):
> Documentation at http://cran.r-project.org/doc/packages/RMySQL.pdf on
> page 3 indicates that for windows machines the only place that the
> my.cnf file will be looked for is the root (C:\) directory.  Is this
> read correct?  When launching R, I've set the HOME directory
> elsewhere, but am unsuccessful in getting recognition of my group
> definitions in this way (only works when the file is in C:\ )
> Does anybody know if there are plans to implement the default.file
> option noted on page 17 of the same documentation (noted as
> "Currently unused")?  If I set it now, I get "Error in
> mysqlNewConnection(drv,  ...): unused argument(s) (default.file ...)"
> My goal is to eliminate plain text database passwords from my computer
> and at least put it on a secured network location,  but I need to let
> RMySQL know how to find it.  Thanks for your  help.
> Regards,
> Mark
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