r - How can I download data from a data base from postgres in a shiny app? -


i have shiny app , download in csv file data selected user, through query postgres. these data stored in postgresql data base. how can it?

library(rpostgresql)  drv <- dbdriver("postgresql") con <- dbconnect(drv, host='youhost', port='port', dbname='yourdbname',              user='user', password='password') dblisttables(con)  data <- dbgetquery(con, "select * sometable")   dbdisconnect(con)  dbunloaddriver(drv)

connect database. pull data using sql , store preferred format.


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