Demonstration:
http://gist.github.com/125200
Many to Many through associations do not create the join records required when doing #new and then #save. However, #create works as expected.
Created by Tony Pitale - 2009-06-30 02:37:50 UTC
Original Lighthouse ticket: http://datamapper.lighthouseapp.com/projects/20609/tickets/889
该提问来源于开源项目:datamapper/dm-core