[R] RODBC error

[Evan Sergeant]

Hi Tom,

Thanks for this suggestion. It now works perfectly. You have been a great help

Cheers

Evan Sergeant

At 10:00 PM 02/11/2005, tom wright wrote:


>On Wed, 2005-02-11 at 07:55 +1000, Evan Sergeant wrote:
> > Hi,
> >
> > I hope that someone can help me with the following problem with RODBC
> > connection to a MySQL database
> >
> > I am running R version 2.2.0 on windows XP, and have the MySQL database
> > registered in Windows ODBC.
> >
> > I have set up a web interface on my personal ISS web server using PhP
> > to accept input values and then call Rterm with an R script to access
> > the database and return a summary of the analysed data.
> >
> > This works perfectly if I run it from Rgui, or if I run Rterm from the
> > dos prompt using the same command line arguments, but returns an RODBC
> > error (below) when calling Rterm from the web interface
> >
> > 1: [RODBC] ERROR: state IM002, code 0, message [Microsoft][ODBC Driver
> > Manager] Data source name not found and no default driver specified
> >
> > There appears to be some problem with recognising the database when
> > called from the web page, even though it is not a problem at any other
> > times.
> >
> > Does anyone have any suggestions as to what I can do to overcome this
> > error
> >
> > Thanks for your help
> >
> > cheers
> >
> > Evan Sergeant
>Evan,
>It sounds like your problem is occuring when you try to access the
>database as a different user than yourself. Its been a while since I've
>been familiar with ms systems but IRC pws runs as its own user
>(ISUSR_...???). At the very least you will have to ensure that the
>datasource is registered as a system DSN not a user DSN. Appart from
>that you may run into other issues with access privileges.
>
>good luck
>tom
>
>
>
>
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Evan Sergeant

AusVet Animal Health Services
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