“update table in R” Code Answer

update table in R

whatever by Friendly Flatworm         on Oct 21 2021 Comment

0

update <- function(i) { drv <- dbDriver("PostgreSQL") con <- dbConnect(drv, dbname="db_name", host="localhost", port="5432", user="chris", password="password") txt <- paste("UPDATE data SET column_one=",data$column_one[i],",column_two=",data$column_two[i]," where id=",data$id[i]) dbGetQuery(con, txt) dbDisconnect(con) } registerDoMC() foreach(i = 1:length(data$column_one), .inorder=FALSE,.packages="RPostgreSQL")%dopar%{ update(i) }

Source: stackoverflow.com

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