what you probably need is a View Collation, you don't need a reduce function you aren't reducing anything.
- Returning document referenced by _id in view Ning Tan
- Re: Returning document referenced by _id in view Alexander Uvarov
- Re: Returning document referenced by _id in view Sebastian Cohnen
- Implementing a threaded comment application ... Alexandre Leray
- Re: Implementing a threaded comment appl... Jarrod Roberson
