I'm using rails-1.2.2 and have run into unexpected behavior with
I get a SQL exception reporting the use of an unknown column when I
use has_many :through to navigate thusly: Project -> BacklogItems ->
BacklogTask -> TimeEstimates.
It looks like rails omits a required join and somehow comes to believe
that it can navigate from a BacklogTask directly to a product.
The following code is available at http://pastie.caboo.se/39727 for
those of you who prefer syntax-highlighting: