Yes, however the same odbcConnect syntax works in the R Commands window. But
seemingly not from within a function in .Rprofile when using RWeb to run the
function in batch mode. Should mention I have no problem running the
function if I bring the data in from the PERL script that runs R.
E.g. (whatever edited)
Batch (passing function call via an RWeb PERL script)
library(RODBC)
channel-odbcConnect('xyz',uid='whatever',pw='whatever',dsn='whatever',case=
'nochange')
cat(\n,channel)
-1
Interactive
library(RODBC)
channel-odbcConnect('xyz',uid='whatever',pw='whatever',dsn='whatever',case=
'nochange')
Warning message:
NAs introduced by coercion
channel
RODB Connection 0
Details:
case=nochange
DSN=whatever
UID=whatever
PWD=whatever
DBQ=whatever
DBA=W
APA=T
FEN=T
QTO=T
FRC=10
FDL=10
LOB=T
RST=T
FRL=F
MTS=F
CSR=F
PFC=10
TLO=0
Mark Fowler
Marine Fish Division
Bedford Inst of Oceanography
Dept Fisheries Oceans
Dartmouth NS Canada
[EMAIL PROTECTED]
-Original Message-
From: Prof Brian Ripley [mailto:[EMAIL PROTECTED]
Sent: June 15, 2004 4:04 PM
To: Fowler, Mark
Cc: '[EMAIL PROTECTED]'
Subject: Re: [R] S/R/RWeb/ODBC
Sounds like a permissions/ownership problem. odbcConnect returnign -1
just means that the ODBC device manager failed.
On Tue, 15 Jun 2004, Fowler, Mark wrote:
I'm looking for an optimal approach to access Oracle databases via
RWeb applications. I'm new to R but familiar with programming
functions and web pages for the S+ Statserver. I'm now going through
the motions of migrating
S+/Statserver applications to R/RWeb as a feasability exercise. I can
S+access
databases using ODBC directly in R or S, and using Statserver, but I
have not succeeded at extracting into R in RWebs batch mode. I can
'require RODBC' in .Rprofile with apparent success, but the results of
odbcConnect differ from those when the command is typed into the R
commands window. Instead of a parameter list I get a -1. Does anyone
know the solution to this problem? Also, might anyone know the
comparative merits of using some PERL module (like DBD::Oracle) to do
the extraction, as opposed to using RODBC (assuming RODBC can be
implemented in batch mode)? I'm currently using Apache on Windows XP
if relevant, but LINUX may be the final host (we'll compare, but those
more Web-wise than I expect LINUX to outperform Windows for our
purposes).
Mark Fowler
Marine Fish Division
Bedford Inst of Oceanography
Dept Fisheries Oceans
Dartmouth NS Canada
[EMAIL PROTECTED]
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Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UKFax: +44 1865 272595
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