Does anyone know how I can use RMySQL (or another library) to update a row in a table, rather than having to pull out the full table and push it back in? I don't want to read such a huge table into memory just to update one row.
What I am trying to…
I have installed concerto platform in my computer (Ubuntu 15.04). I am trying to run a simple test but it stops when the second html template is supposed to appear (I've attached the output below).
I have tried to upload RMySQL to current version…
When I try the following command
install.packages('RMySQL',type='source')
I got an error as below
Installing into ‘C:/Users/Thanushiya/Documents/R/win-library/3.2’
(as ‘lib’ is unspecified)
--- Please select a CRAN mirror for use in this session…
Alright, I modified the script following @Pork Chop advice:
server.R
library(shiny)
library(DT)
library(RMySQL)
con <- dbConnect(MySQL(), user="myuser", host="myhost", dbname="mydb")
shinyServer(function(input, output) {
…
I have five columns. Out of these, am not able to insert column TagName into my database using RMySQL.
The various methods I have used are:
sql <- sprintf("insert into Tags (Id, TagName, Count, ExcerptPostId, WikiPostId) values (%d, '%s', %d, %d,…
On my local machine, I have ssh into the bastion where I can then connect to the remote MySQL server. I know that this is working because in terminal, it says that I have successfully connected and when I use an app like SQLPro and attempt to…
I have a dataframe in R that has about 100k IDs. I want to place these IDs in my queries connecting R to Oracle, MySQL, and redshift tables using R packages RODBC, MYSQL, and redshift.
For example,
output <- dbGetQuery(conn,paste("select * from…
Through a for loop with R language, I'm trying to use an insert statement to save rows in a table:
One row example looks like this :
NUMPAT NAME FIRSTNAM BIRTHDATE SEX DATPREL ADICAP1 IDPAT NUMERORUM
1 ELOSTE …
I have installed an instance of a learning management system (Moodle) on AWS. The LMS uses MySQL. I want to gather data from the tables using R and use the following code:
library(DBI)
con <- dbConnect(RMySQL::MySQL(),
…
I am using MySQL and R, with the package RMySQL... (naturally)
After a computer update, and when loading RMySQL, I started getting this warning message:
RMySQL was compiled with MySQL 5.5.40 but loading MySQL 5.6.24 instead!
This may cause problems…
I am using R studio to do analysis with data. Able to install RMYSQL libraries and connect to DB but when I am trying write select query I am unable to get the data. I had written script like below
> mydb <- dbConnect(MySQL(), user='user',…
I have a MySQL table that I am reading with the RMySQL package of R. I would like to be able to directly refer to the data frame stored in the table so I can seamlessly interact with it rather than having to execute RMySQL statement every time I…
I'm trying to get data from MySQL DB into Rstudio-server. My actions are like
mydb = dbConnect(MySQL(), user='user', password='password', dbname='dbname', host='localhost')
query <- stri_paste('select sellings.updated_at AS Up_Date,…
I am trying to pass a site id argument as an integer from Rscript on the command line to a SQL statement inside dbConnect using RMySQL. However I am getting an error
"Error in mysqlQuickSQL(conn, statement, ...) :
unused arguments ("3", " AND…
I followed the instructions from the blog post Installing RMySQL under Windows. The package seems to install, but actually fails.
Output from the installation:
* installing *source* package 'RMySQL' ...
** package 'RMySQL' successfully unpacked and…
