touchads/node-mongodb-incremental-map-reduce — pull request #1 by gbuisson (2014-02-24 15:41:26+00:00)
Title: Fixed incorrect mongodb query parameter (failed the incremental par of m...

Hello,

I think your implementation worked with previous version of mongodb,
however with the latest ones the incremental part was not working,

This is because the $query mapreduce command argument has been replaced to "query",

thus this simple fix is sufficient to make it all working again.

Thank you.