[R] Database newbee problem...
Fredrik Karlsson
fredrik.karlsson at ling.umu.se
Thu Oct 17 22:16:53 CEST 2002
Hi and thank you all for your quick response,
Indeed, the version of R I am working on is 1.6.0 on a Debian Woody
(stable) system. All the client and server MySQL packages report version
3.23.49-8. According to the MySQL web page, the current stable version of
MySQL is 3.23.53. Development release is 4.0.4.
Could anyone please advice me on a version of MySQL that does work.
For me, the important thing is to get a working MySQL <-> R connection
going.
Thanks!
/Fredrik
On Wed, Oct 16, 2002 at 08:55:08AM -0400, David James wrote:
> Hi Fredrik,
>
> I've heard people running Debian having this problem, but
> I have only access to solaris, red-hat, and Irix systems.
> Could you tell me the exact versions of R (1.6.0, I presume),
> MySQL client and server?
>
> thanks,
>
> --
> David
>
> Fredrik Karlsson wrote:
> > Hi all,
> >
> >
> > This is a potentially very stupid question about MySQL <-> R
> > interaction, but I have not been able to solve it.
> > I'm just trying to connect R to my MySQL databse, and gets this:
> >
> > > library(RMySQL)
> > Loading required package: methods
> > > m <- dbDriver("MySQL")
> > > con <- dbConnect(m,group="testdb")
> >
> > Process R segmentation fault at Wed Oct 16 07:04:30 2002
> >
> > My .my.conf contains this:
> >
> > [client]
> > user = zak
> > host = localhost
> > password=<something>
> >
> > [rs-dbi]
> > database = sdata
> >
> > [testdb]
> > host = localhost
> > database = testDB
> >
> > and connecting through the mysql client is no problem using those
> > settings:
> >
> > $ mysql
> > Welcome to the MySQL monitor. Commands end with ; or \g.
> > Your MySQL connection id is 34 to server version: 3.23.49-log
> >
> > Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
> >
> > mysql> use testDB
> > Reading table information for completion of table and column names
> > You can turn off this feature to get a quicker startup with -A
> >
> > Database changed
> > mysql> show tables;
> >
> > +------------------+
> > | Tables_in_testDB |
> > +------------------+
> > | pet |
> > +------------------+
> > 1 row in set (0.00 sec)
> >
> > mysql>
> >
> >
> > What's wrong with my setup that's causing R to segfault (but not mysql
> > client)?
> > Any ideas?
> >
> > /Fredrik
> > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
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>
> --
> David A. James
> Statistics Research, Room 2C-253 Phone: (908) 582-3082
> Bell Labs, Lucent Technologies Fax: (908) 582-3340
> Murray Hill, NJ 09794-0636
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