I am getting crazy because I have written a sql query under the RMySQL package in a rmarkdown document and I dont get the output of the query in the document, but yes in the code editor.
I want to know how to get the output in the my document.
I…
Windows 10
R v 3.3.2
Package "RMySQL"
When I want to access the fields of a table in a data base with this command:
> dbListFields(hg19,"affyU133PLus2")
I get this information :
Error in .local(conn, statement, ...) : could not run statement:
…
I want to check a condition in Shiny app whether mysql table exist or not in specific databse. If table does not exist it should return a null value. Here is my code looking like.
loadData <- function(){
db <- dbConnect(MySQL(), dbname =…
I am developing a shiny app where user can upload a csv file and then it will be pushed to mysql database. I am using RMysql package for doing this task.
db <- dbConnect(MySQL(), dbname = databaseName, host = host,
port = port, user…
I am trying to connect to MySql database using RMysql (R version 3.3.1.). My code is:
mydb <- dbConnect(MySQL(), user='odvjet12_mislav', password='xxxxx', host='odvjetnistvo-sagovac.hr')
I think I am entering wrong parameters:
user - is it a user…
I am getting the following error when I try to connect to a MySQL database using RMySQL package.
I am trying to connect to a host and not my local system. The previous discussion posted with this link is on a local host
Failed to connect to…
I am using the library RMySQL to generate an SQL statement
query <- sprintf("foo", paste(mydf, collapse = "', '",sep = ','))
When i have a look at the query it seems to be putting everything in brackets for example a column would consist of monatory…
I am trying to run sqldf in R in Rstudio. However, it produced an error asking for a password even when a password was given (shown in box 1).
I made sure that my password was OK by typing mysql -u scottyiu -p into the terminal and then my password.…
I'm looking for a way to include data from an R dataframe in a sql predicate. Ideally, I'd like to use dbSendQuery from the RMySQL package to send a query to my database that contains a WHERE ... IN conditions that includes values from my database.…
I have a 80 * 5 data.frame df using
dbWriteTable(mydb, name = "fooDB", df, field.types = dbtypes, row.names = FALSE, append = TRUE)
to import to MySQL database. However, it only imports the first row of df.
Does anyone have similar problem? Or…
I am trying to connect in R to remote mysql server, but without success.
That is my code -
library(RMySQL)
drv = dbDriver("MySQL")
mydb = dbConnect(drv,host="*.*.*.*",dbname="dbname",user="user",pass="pass")
but I get the following error -…
When I run
library(RMySQL)
mydb = dbConnect(MySQL(), user = "XX", password = "XX", dbname = "XX", host = "XX")
on the R console it works,
however when I put save it as a yy.R file and run it as R CMD BATCH yy.R, or as source("yy.R") it says…
I used Rblpapi to retrieve historic data, format is a list of data.frames. I now want to write that list of data into a MySQL database, I tried
dbWriteTable(con,name="db_all",data,header=T), which gives me
"unable to find an inherited method for…
Need help in inserting data into MySQL using R. I am getting the following error and do not know how to fix this:
Error: C stack usage 7971984 is too close to the limit
This is not a memory allocation problem, as I have tried inserting a much…
