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I have this problem that I think would require me to do multiple(two) mapreduces to get the expected result. Is this possible in CouchDB? If not, A
are there other database engines that might support this?
No. You could try Couldant hosting, which support map-reduce chaining, but that would lock you into that platform, as far as I can tell.
If a delay is acceptable, you may use an asynchronous process to feed the view data back into CouchDB as input for the second view.