similar to: RMySQL query: why result takes so much memory in R ?

Hi all, This is a potentially very stupid question about MySQL <-> R interaction, but I have not been able to solve it. I'm just trying to connect R to my MySQL databse, and gets this: > library(RMySQL) Loading required package: methods > m <- dbDriver("MySQL") > con <- dbConnect(m,group="testdb") Process R segmentation fault at Wed Oct 16 07:04:30

I'm having trouble getting RMySQL to load. I was able to build it and install it (RMySQL_0.5-11.tar.gz). I was also able to build and install mysql-5.0.37. I've read many postings about this but have not found a mention of my particular problem (some closely related). I get the "unable to load shared library, no such file" error, but all the files do exist, RMySQL.so and

I don't use MySQL but I have seen messages like this before. They often have replies which indicate that you need to follow the instructions more closely. I suggest you search the list for these previous posts as I'm sure there is help there, somewhere! Tom > -----Original Message----- > From: Adriano von Sydow [mailto:pdasilva at xtra.co.nz] > Sent: Thursday, 10 March 2005 5:13

Dear R User's Please help me to debug this issue. I am trying to write some data ( i= 6) to PostgreSQL database, but it not writing. Is there any issue in the way I use "dbWriteTable"? ++++++++++++++++++ Source Code ++++++++++++++++++++++++ library("DBI") library("RPostgreSQL") drv1 <- dbDriver("PostgreSQL") i=6 connAE1 <- dbConnect(drv1,host

Dear list, I'm working with a MySQL-Table and would like to extract selected ids that are stored in a vector: Ids <- c(1,2,3) How do I insert this variable in a for loop like this: For (a in values) { Temp <- dbGetQuery(con, "select * from db Where id = <ID>";) } My problem is to split the select-statement and insert the current id. How can I handle this problem?

Hi all! I do hope question from newcomers are wellcome here! Thanks in advance. Trying to catch up and to acquired the needed background to easily read R documents it is being a bit hard to me to get into the required concepts to deal with data. I am trying to get data from a MySQL database and plotting it with barplot. Here the code... library(RMySQL) con <- dbConnect(dbDriver

I got the following after running succesfully through this loop 28 million times... the loop opens text files in a directory and inserts line by line into a database... *** caught segfault *** address 0xc0000010, cause 'memory not mapped' Traceback: 1: .getGeneric(f, where, package) 2: getGeneric("coerce", where = where) 3: as(obj, "integer") 4:

Hi, I was able to connect to a MySQL database (called "zooscan" and with a table "serie" under Win XP with R 1.6.2 using: > library(DBI) > library(RMySQL) Warning message: DLL attempted to change FPU control word from 8001f to 9001f > drv <- dbDriver("MySQL") > con <- dbConnect(drv, dbname="zooscan") > dbExistsTable(con,

Hello, I have trouble installing and loading the RMySQL package on OS X 2.8. The package seems to install from source fine (using R package manager from within the R environment). I have the following error when I try to load the package: loading package: RMySQL Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library

Dear R helpers Suppose following is an output due to some R process. I wish to save it as a table in 'temp.db' df <- data.frame(x = c(5, 4, 3, 11), y = c(25, 16, 9, 121))     library(RSQLite)     write('** Initializing','')     drv <- dbDriver("SQLite", shared.cache = TRUE)     con <- dbConnect(drv, dbname = "temp.db",

What am I doing wrong, or is the \r that I'm getting in the example below a bug? > a <- (1:10) > b <- (LETTERS[1:10]) > df <- as.data.frame(cbind(a, b)) > > df a b 1 1 A 2 2 B 3 3 C 4 4 D 5 5 E 6 6 F 7 7 G 8 8 H 9 9 I 10 10 J > library(RSQLite) > drv <- dbDriver("SQLite") > con <- dbConnect(drv, dbname = "Test")

What am I doing wrong, or is the \r that I'm getting in the example below a bug? > a <- (1:10) > b <- (LETTERS[1:10]) > df <- as.data.frame(cbind(a, b)) > > df a b 1 1 A 2 2 B 3 3 C 4 4 D 5 5 E 6 6 F 7 7 G 8 8 H 9 9 I 10 10 J > library(RSQLite) > drv <- dbDriver("SQLite") > con <- dbConnect(drv, dbname = "Test")

Dear list, I learned how to connect R to a local MySQL server, using: drv <- dbDriver("MySQL") con <- dbConnect(drv, user="root", password="mypass", dbname="mydb") Is it possible to connect R in this way to an external server (on a different machine, with a different IP)? I read the documentation on ?dbConnect (and everything I could find on the

Full_Name: Apfel Schmied Version: 2.8.1 (2008-12-22) OS: WinXP SP2 Submission from: (NULL) (134.106.122.139) RMySQL Version: 0.7-2 DBI Version: 0.2-4 MySQL Version: 5.1.30 (Enviroment Variable MYSQL_HOME is set) Updated R from 2.60 to 2.8.1. Now Gui.exe hangs up (100% CPU Useage) when requesting data from a mysql database. Example Code:

Hi. I frequently use RMySQL package to interface R with MySQL databases. I was having a try with package DBI and I got the following error: > library(RMySQL) > library(DBI) > drv <- dbDriver("MySQL") > ch <- dbConnect(drv, dbname="mydb", user="myuser", password="mypasswd") > ibm <- dbGetQuery(ch,"select * from table where

Should functions or the user be responsible for coercing an S4 object argument containing the proper object (and thus should below be considered a bug in the packages or not)? The example is with RSQLite but the same thing happens with RMySQL, and other DBI packages. > library("RSQLite") Loading required package: DBI > m <- dbDriver("SQLite") > con <-

Since there doesn't appear to be an RMySQL rpm for SuSE 8.*, does anyone know if the 7.3 version will work with the SuSE 8.2 rpms of R and DBI? The package installs without complaint, but when I try to run con <- dbConnect(dbDriver("MySQL"),dbname="test") I get the error Error in dbConnect(dbDriver("MySQL")) : couldn't find function

I just installed RMySQL 0.5-9 with R 2.4.0 on Windows XP and got the following error message when trying to run a script with RMySQL: Error in library(RMySQL) : 'RMySQL' is not a valid package -- installed < 2.0.0? Any ideas? Thanks, Frank

(I am not sure if this is a bug or a request for a more understandable warning, or possible something obvious I should be posting on r-help.) I am trying to coerce an new class object to be a DBIConnection and it does not work the way I think it should: R version 2.5.1 (2007-06-27) ... > require("RMySQL") # or require("RSQLite") Loading required package: RMySQL Loading

Dear Rusers, I am trying to feed my database with data from a file. But since my file (2010101000.txt) there`s no headers I am facing problem because the result data.frame is not separated my columns. How could I set variables names for each columns in *dbWriteTable*? I have tried the command below but I don`t know how to fill the *field.type*option. dbWriteTable(con, "b20101010",