On Feb 2, 2010, at 2:19 PM, John Mcleod wrote:

> Using the .merge method, does this do the actual insert of the new 
> column data? or does it take the data and "merge" it into the csv before 
> the insert?
> Is this in Ruby? I noticed it's not in the FasterCSV docs.

merge() is just Hash#merge() from Ruby, yes.  It doesn't change the file, no.  It just changes the data read before it is handed off to ActiveRecord.

James Edward Gray II