Sorry for posting the second time, I corrected the SQL code:
PROBLEM: after executing simple statement, from within R, "fetch" function gives me the empty dataframe:
### CONNECTION, and SQL QUERY EXECUTION
> ora <- dbDriver("Oracle")
> con <- dbConnect(ora, "rado/only2admin"
> dbListTables(con)
character(0)
> rs <- dbSendQuery(con, "select * from si_r where id=498")
^^^^^^ CORRECTION
> d <- fetch(rs, n= -1)
> dim(d)
[1] 0 3
str(d)
data.frame': 0 obs. of 3 variables:
$ ID : int
$ DAY: chr
$ R : num#### seems like connection has been established > dbGetInfo(ora) $drvName [1] "Oracle (ProC/C++)"
$connectionIds $connectionIds[[1]] <OraConnection:(14939,0)>
$fetch_default_rec [1] 500
$managerId <OraDriver:(14939)>
$length [1] 10
$num_con [1] 1
$counter [1] 1
$clientVersion [1] "0.5-4"
Maybe it is something stupid (and I need just a hint), or may be it is something major.
Thanks in advance,
Rado Bonk
-- Dr. Radoslav Bonk European Commission - DG Joint Research Centre (JRC) Institute for Environment and Sustainability (IES) LM Unit - Natural Hazards Weather Driven Natural Hazards Action Via E. Fermi, TP 261, 21020 Ispra (Va), Italy Tel.: 0039-0332-786013 Fax: 0039-0332-786653 Webpage: http://natural-hazards.jrc.it/floods/
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