[R] non-SQL sqlQuery error

[ripley@stats.ox.ac.uk]

On Mon, 10 Feb 2003, Pijus Virketis wrote:

> I've encountered a curious problem. I am trying to run an SQL query
> using sqlQuery() function in RODBC. 
> The query works fine when run in a stand-alone SQL browser (Microsoft
> Query Analyzer, in particular). 
> However, when I use the exact same thing from sqlQuery() function, I get
> the following error:
> 
> Error in "[.data.frame"(data, , ) : not all specified columns exist
> 
> Traceback() gives this:
> 
> 5: stop("not all specified columns exist")
> 4: "[.data.frame"(data, , )
> 3: data[, ]
> 2: sqlGetResults(channel, errors = errors, ...)
> 1: sqlQuery(con.object, " ... long query here ... ")

There is no statement 3 in the released version of sqlGetResults ...

> The puzzling thing is that the error does not seem to be like the usual
> mispecified-SQL type that I normally 
> get when using sqlQuery(). I am not sure how to debug this problem,
> since I can't really see what's going on 
> in the sqlQuery() internally. 

You can.  R are RODBC and Open Source, so why not open it and read it?

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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