Plugins - ArAddConstraint
Add to favoritesAdds addforeignkey :sourcetable, :targettable and dropforeignkey to AR migrations.
First release has these commands separate at the top level. Plans include embedding into table definitions.
First release supports only MySQL and other DBs are a no-op.
http://araddconstraint.rubyforge.org/
svn://rubyforge.org//var/svn/araddconstraint/trunk
Rails' (MIT)
Misc. Enhancements
