Re: [R] How to create ff objects from database connection

Hi, I am sorry for that I can’t determine which R-sig list to post questions about package ff. Now I have made a little progress with this: read.dbres.ffdf <- function( res){ data1 <- fetch(res, 0) if (nrow(data1) == 0){

[R] How to create ff objects from database connection

Hi Does anybody know how to create ff objects with data reading from stream objects, such as data reading from PostgreSQL database through RPostgreSQL. For this purpose although we can save the data to a csv file through external tools and then read it through csv readers, but it requires one m