[R] using postgresql with R/RODBC

[Uwe Ligges]

Larry White wrote:

> There's only one CRAN RODBC entry under Packages (version 1.1.3). 
> That's the one I used.  The  'Depends' line seems to indicate that it
> should work with any version of R > 1.9.

Correct for the sources, but binaries must be compiled under the same 
major version for R that is used.


> In any case, after I received the reply I went back to CRAN and took a
> different path (under windows binaries) and located an earlier version
> of RODBC (1.1.2).  When I tried that one I get this error:
> 
> Error in library(RODBC) : 'RODBC' is not a valid package -- installed < 2.0.0?
> 
> Aside from the Depends entry and the runtime error message there
> doesn't seem to be any thing to indicate which version is appropriate
> for R 2.0.1.
>
> BTW, I'm on win 2000, if that would make a difference. 

That one you get when calling install.packages("RODBC") in R-2.0.x is in
CRAN/bin/windows/contrib/2.0/
for CRAN master this is currently:
http://cran.r-project.org/bin/windows/contrib/2.0/RODBC_1.1-3.zip

Uwe Ligges





> On Mon, 14 Mar 2005 16:22:50 +0100, Uwe Ligges
> <ligges at statistik.uni-dortmund.de> wrote:
> 
>>Larry White wrote:
>>
>>
>>>Hi, Please excuse these questions if they're obvious. I'm new to R.
>>>
>>>I need to access a Postgres db from R.  I'm currently trying RODBC as
>>>I spend part of my time on Windows and rdbi.pgsql seems not to support
>>>windows at this time.
>>>
>>>I unzipped the RODBC win binary download into my library directory and
>>>tried to load it using
>>>
>>>library(RODBC)
>>>
>>>I get the following error:
>>>
>>>Error in dyn.load(x, as.logical(local), as.logical(now)) :   unable to
>>>load shared library
>>>"C:/PROGRA~1/R/rw2001/library/RODBC/libs/RODBC.dll":
>>>  LoadLibrary failure:  The specified procedure could not be found.
>>>In addition: Warning message:  package 'RODBC' was built under R version 2.1.0
>>
>>So why don't you use the binary package from CRAN that has been compiled
>>for you under R-2.0.1?
>>
>>Uwe Ligges
>>
>>
>>
>>>Error: .onLoad failed in loadNamespace for 'RODBC'
>>>Error in library(RODBC) : package/namespace load failed for 'RODBC'
>>>
>>>The path correctly points to the dll. Can anyone tell me what I'm doing wrong?
>>>
>>>thanks.
>>>
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>>
>>